7/25/2019 Manual controlador mquay
1/64
Service Guide Book
Contents
1. Model name ...................................................................
2. Conversion Table ............................................................
3. Product Mainboard vs. Handset Matrix ............................
4. Controller History ............................................................
5. Handset Operating Guide
a. G6 ...................................................................
b. G7 ...................................................................
c. SLM3 ................................................................
d. Netware 1 and 2 ..............................................
e. Sequential Controller .......................................
f. PAC-204RC Controller ......................................
6. Self Diagnosis Table .......................................................
7. Troubleshooting Guide ...................................................
8. Modification to Auto Restart ............................................
9. Auto Random Restart & Hot Keep Selection
a. Auto Random Restart .......................................
b. Hot Keep ..........................................................
10. Controller Configuration
a. Sequential Controller .......................................
b. W1V2 for Water Fan Coil Unit ..........................
c. W1V3 for Water Fan Coil Unit ..........................
d. Netware 1 ........................................................
e. MCH01 for Mini Chiller ....................................
f. Conversion of C3 Board (wireless to wired) ......
7/25/2019 Manual controlador mquay
2/64
f. Conversion of C3 Board (wireless to wired) ......
1. OYL Product Model Name Descripti
Description Generic
Model Name
Wall Mounted Fan Coil Unit WM
Wall Mounted Inverter Fan Coil Unit WMV
Ceiling Exposed Fan Coil Unit CE
Ceiling Cassette Fan Coil Unit CK
Ceiling Concealed Fan Coil Unit CC
Ducted Split Blower unit SB
Chilled Water Fan Coil Unit CW
Air Cooled Mini Chiller AC / 4AC
Single Split Condensing Unit SL / 4SL
Single Split Inverter Condensing Unit SLV / 5SLX
Modular Split Condensing Split MSS / 4MSS
Multi Split Series MSD / 4MSD
MST / 4MST
MSH
Horizontal Condensing Unit HDC
Vertical Condensing Unit VCU
Air Cooled Roof Top
Packaged Air Conditioner RT / 4RT
7/25/2019 Manual controlador mquay
3/64
Product Nomenclature
e.g.
X 4 WM V 10 F R N - XXXX
1 2 3 4 5 6 7 8 9
1. Brand name; e.g. M = McQuay
2. Type of refrigerant; 4=R407C; 5=R410A; Omitted if R22
3. Range of product
4. System; V=Inverter; S=Multi Split; Omitted if normal system
5. Capacity; e.g. 10 = 9,000 Btu/hr
6. Generation or Series7. R for heatpump model;
W for Chilled water model ;
Omitted if for cooling model only.
8. Type of application for chilled water fan coil unit;
N=Valveless application, Omitted if valve application
9. Product nomenclature
Ceiling Cassette Front Panel
e.g.
X PL CK A R - XXX
1 2 3 4 5 6
1. Brand name; e.g. M = McQuay
2. PL = front panel
3. CK = ceiling cassette unit
4. Series; A = A series; B = B series
5. Model; R = heatpump; W=chilled water; Omitted if cooling m
6. Type of handset / specification
7/25/2019 Manual controlador mquay
4/64
(1) COOLING CAPACITY
Btu/Hr MBH kCal/Hr1 0.001 0.252
1000 1 252
3.968 0.004 1
3412 3.412 860.04
(3) FLOW RATE
L/s m3/hr m3/sU.S
GPM
1 3.6 0.001 15.8
(2) PRESSURE
psi kg/cm2
W.G.
(in.) (ft.)1 0.07 27.7 2.309
14.22 1 394.08 32.84
3.61 x 10 -2 2.538 x 10-3 1 0.083
1.45 x 10-4
0.1 x 10-4
0.004 3.349 x 10
2. Conversion Table
7/25/2019 Manual controlador mquay
5/64
(4) TEMPERATURE
F = (1.8 x C) + 32 C =
(5) VELOCITY
fps m/s fpm
1 0.305 60
3.281 1 196.9
0.017 0.005 1
(7) AREA
in2 ft2 m2
(6) VOLUME
L m3U.S.
G.P.M.
1 0.001 0.2641000 1 264
3.785 3.785 x 10-3 1
28.315 0.028 7.48
7/25/2019 Manual controlador mquay
6/64
inboard
vs.
Hands
etMatrix
Board(IC)D2.0
U1.4
Mechanical
U1_
SB125
SQCH
VA1.0
*MS10.0
H
andset
(PAC204RC)
(S
Q1.0)
Standard
Optional
G7
-
G7
SLM3+AC5300/Ne
tware2
G7
-
G7
-
G7Turbo
-
G7
SLM3+AC5300/Ne
tware2
G7
SLM3+AC5300/Ne
tware2
G7
SLM3+AC5300/Ne
tware2
G7
SLM3+AC5300/Ne
tware2
G7
SLM3/AC5300
G7
SLM3/AC5300
SLM3
-
SLM3
-
mp
B/BR,125B
SLM3
-
0C/CR
SLM3
-
00B4/BR4
SequentialLCD
-
7/25/2019 Manual controlador mquay
7/64
oard(IC)
W1V2
W1V3
SZMC01
MCH03
Handset
Standard
Optional
-
-
-
-
SmartManager
-
SmartManager
-
G6
SLM/Netware2
G6
SLM/Netware2
G6
SLM/Netware2
SLM/Netware2
-
Withoutco
ntroller
-
7/25/2019 Manual controlador mquay
8/64
OARDDEVELOPM
ENT
HIST
ORY
HAN
DSET
MODEL
REMA
RKS
WIRELESS
WIRED
COOLING
HEATPUMP
G3
-
WM10/15D
WM10/15DR
Coppersensor
WM20/25C
WM20/25CR
G3
-
WM07/10E
-
Coppersensor
G3&G6
-
WM10/15D
WM10/15DR
WM20/25C
WM20/25CR
G3&G6
-
-
WM07/10ER
WM10/15FR
G3
-
WM07/10E
-
G6
-
WM10/15F
G3&G6
SLM2(10corewire)
CK-A
CK-AR
CE-C/CE-D
CE-CR/CE-DR
CC-B/MSB/HSB
CC-R/MSB-R/
HSB-R
-
-
AC(40-125)B
AC(40-125)
BR
Cooling&H
eatpump
G6
Netware-1
WM-FW/CE-DW
/CC-CW/CK-AW/HSB-BW
Convertib
lePCB
-
SequentialController
SB(150-500)B
SB(150-500)BR
Mutiplecompressor
G6
-
WM(10-25)F
-
Cooling
only
G6
-
-
WM(10-25)
FR
Heatpum
ponly
G6
SLM3(4corewire)
CE-D/CK-A/
CE-DR/CC-
CR/
Cooling&heatpump
CC-C
CK-AR
G6/G7
-
WM(10-25)F
-
Cooling
only
-
-
AC/4AC(40~58)A,
AC/4AC(40~5
8)AR,
Cooling&h
eatpump
AC/4AC75~125B
AC/4AC75~12
5BR
G7Turbo
-
WMV10FR
Insetfornonly
SLV10BR
-
Sequentialcontroller
SB(150-500)D
SB(150-500)DR
Multiplecompressor
7/25/2019 Manual controlador mquay
9/64
RVSPCBOARDCONFIGUR
ATION
MainBoard
mmunicatew
ith
OMC-03S
ongJiaJiaLihC
2C3C5D1.0U1.3U1.4W1V
2W1V3
=
X
X
X
=
X
X
X
=
X
X
X
X
X
=
X
X
X
=
X
X
X
=
X
X
X
X
X
=
X
X
=
X
X
X
X
X
X
X
X
=
X
X
X
X
X
X
X
X
=
X
7/25/2019 Manual controlador mquay
10/64
G6 Remote Control
1 - ON / OFF SWITCH
Press to start the air conditioner unit
Press again to stop the unit
Blue color - Cooling only
Pink color - Heatpump
Red color - Chilled Water Heatpump (No auto mode)
2 - TEMPERATURE SETTING
Set the desire room temperature.
Press button to increase or decrease the set temperature. Setting range a
setting (60F to 80F)(Optional setting from 20C to 30C).
Pressorbutton simultaneously will toggle the temperature setting be
3 - AUTOMATIC AIR SWING
Press the button to activate the automatic air swing function. The swing a
horizontal to 25 to bottom.
5.5.5.5.5.Handset OperHandset OperHandset OperHandset OperHandset Operaaaaating Guideting Guideting Guideting Guideting Guide
7/25/2019 Manual controlador mquay
11/64
5 - TIMER SETTINGl Press set button to activate the timer setting (from 1 hour to 15 hour) of
will be in"On" or "Off" condition after the set time depending to the curre
"On" to Off" or vise-versa)
l To cancel the timer setting, press the button continuously until the timer
6 - OPERATING MODESl Press the "mode" button for select the type of operating mode.
l Cooling only unit:
CoolDryFan.
l Heatpump unit :
CoolDryFan Heat.
7 - FAN SPEED AND VENTILATION MODE SELECTIONl Press the button until the desired fan speed is achieved.
8 - SIGNAL TRANSMISSION INDICATIONl Blink to confirm the last setting has been send to the unit.
7/25/2019 Manual controlador mquay
12/64
G7 Controller1
2
34
5
6
7
8
9
10
11
12
1. Transmission sourcel The source where the signal will be transmitted.
2. Signal Transmission indicationl Blink to confirm the last setting has been send to the unit.
3. On/Off Buttonl Press once to start the air conditioner.
l Press again to stop the unit.
4. Temperature settingl To set the desired room temperature, press the button to increase or dtemperature.
l The temperature setting range is from 16C to 30C (Optional setting
l Press both buttons simultaneously to toggle the temperature setting b
7/25/2019 Manual controlador mquay
13/64
7. ON timer settingl Press the SET button will activate the on timer function.
l Set the desired on time by pressing the SET button continuously. If the
the air conditioner will turn on at 7.30am sharp.
l Press the CLR button to cancel the on timer setting.
8. OFF timer settingl Press the SET button will activate the off timer function.
l Set the desired off time by pressing the SET button continuously.
l Press the CLR button to cancel the off timer setting.
9. Automatic air swingl Press the SWING button to activate the automatic air swing function.
l To distribute the air to a specific direction, press the SWING button an
move to the desired direction and press the button once again.
10. Sleep mode settingl Press the button to activate sleep mode. This function is available und
AUTO mode.l When it is activated in COOL mode, the set temperature will be increa
1C after 1 hour and 2C after 2 hours.
l When it is activated in HEAT mode, the set temperature will be decrea
2C after 1 hour and 3C after 2 hours.
11. Clock time settingl
Press button + or to increase or decrease the clock time.
12. Turbo function (optional only applicable to inverter ul Press button for fast cooling or heating operation.
l The temperature will be increased internally if it is in the HEAT mode,
DRY mode. Fan speed will be increased if it is not at maximum speed
l The temperature & fan speed will resume to user setting if the button i
20mins.
l Available under HEAT, COOL & DRY modes only.
7/25/2019 Manual controlador mquay
14/64
SLM3 Controller
SLM AC-53
1 - "ON/OFF" switch Press to start the air conditioner unit.
Press again to stop the unit.
2 - Temperature setting
Set the desired room temperature. Press button to increase or decrease the
set temperature. Setting range are between
16C to 30C (60F to 80F).
3 - Operation Modes Press the "mode" button for select the type
of operating mode.
- Cooling Only :
COOL, DRY, FAN
- Heat Pump :
AUTO, COOL, DRY, HEAT, FAN
(AUTO mode is represented by both
COOL d HEAT LED li ht )
6 - "Sleep" mode Press button to act
This function can o
"cool" or heating m
activated under "co
set temperature wil
minutes, 1C after
hours. If it is activa
operation, the set te
decreased 0.5C a
1 hour and 2C afte
7 - Air Swing Press button to act
swing function.
8 - Sensor Infra red sensor to
i l t ll
7/25/2019 Manual controlador mquay
15/64
Netware 1 and Netware 2 Controller
A - [Current time, Start / Stop Time] DisplayDisplay the current time as well the start & stop time progra
B - [Key Lock] Display
Display indicates when the key lock function is activated
C - [Fan Speed] Display
Display the fan speed setting. [Auto/High/Medium/Low]
D - [Operation Mode] DisplayDisplay the current mode of operation
E - [Sleep] Display
Display the sleep/energy saving status
F - [Swing] Display
7/25/2019 Manual controlador mquay
16/64
1. ON / OFF
1 ON/OFF button
Starting operation
When the unit is turned off, press the [ON/OFF] button. The op
and the unit is turned on.
Stopping operationWhen the unit is turned on, press the [ON/OFF] button. The op
extinguished and control are turned off.
2 Fan
l Press FAN button to select Auto, High, Medium or Low fan
3 Sleep
l Press SLEEP button to activate the sleep mode or energy s
2
3
4
O
7/25/2019 Manual controlador mquay
17/64
2. Operation selection and Room temperature adjustment
1 Press the temperature button and set the temperatureof yo
the or once, temperature changes by 1C [ or 1F]
Temperature can be set within the range 16C ~ 30C or 61F ~
During fan mode, temperature can not be set.
Normally the panel will show room temperature.
1 Press and together, the unit of temperature wil
and vice-versa.
2 Mode button
2
7/25/2019 Manual controlador mquay
18/64
3. Time setting
Time Setting
1 Clock Key
l Press the key once to set the clock mode. Press the key again to disable
6 7-day Timer Key
l The timer can be turned on or off by pressing the timer on or off keys.
2 Day Key
l When the control is in set clock or set timer modes, pressing the day key
3 Hour Key
l When the control is in set clock or set timer modes, pressing the hour ke
4 Minute Keyl When the control is in the set clock or set timer modes, pressing the min
minute.
Other functions
Key Lock
1 2 3 45
Current Time
Display
Timer Hold /Resume Display
7/25/2019 Manual controlador mquay
19/64
Sequential Controller(Standard for cooling and heatpump)
Sequential Controller LCD Display
A : Time display
B : Error indication
C : Compressor running display (up to 4 compressors)
D : Key lock display
E : Heater display (up to 2 heaters)
F : Energy saving mode display
G : Compressor defrost cycle display (up to 4 compressors)
H : Operation mode display
I : Temperature set display
1. ON/OFF keyPress once to start the air conditioning unit.
Press again to stop the unit.
The operation lamp next to the key lights up and goes off respect
running or not running.
7/25/2019 Manual controlador mquay
20/64
4. Auxiliary Electric HeaterIf the "HEAT" mode provides insufficient heating to a room even a
temperature setting (30C), press the HEATERkey to activate the
heater. For models with two heaters, consecutive press of the keyone or both heaters active.
5. Temperature Setting
To set the desired room temperature, press or t
the set temperature in the range of 16C to 30C.
Press both and simultaneously to toggle between
6. Time Setting
Real time Clock
Press the CLOCKkey once to activate set clock mode.
Press again to disable set clock mode.
Under set clock mode, the time of the present day can be set by p
MINUTE, HOURand DAYkey.
7-days timer
Press the ON TIMERkey to activate auto-ON timer mode. Under
respective MINUTE, HOURand DAYkey to select the time of the
conditioning unit is to automatically start running. Press the ON T
save the setting.
Press the OFF TIMERkey to activate auto-OFF timer mode. Und
respective MINUTE, HOURand DAYkey to select the time of the
conditioning unit is to automatically stop running. Press the ON T
save the setting.
Then to activate the 7-days timer, press and hold the TIMER ACT"TIMER ACTIVE" appears on the LCD screen. Repeat the same
days timer.
7 Other Function
7/25/2019 Manual controlador mquay
21/64
7/25/2019 Manual controlador mquay
22/64
7/25/2019 Manual controlador mquay
23/64
1- 3 Room temperature adjustment
To change room temperature
Press the room temperature button and set the roomtemperature of your choice.
Press or once changes the setting by
1C .
If the pressing is continued, the setting continues to
change by 1C.
* Indoor temperature can be set within the following
range. Cooling 19 ~ 30C
* It is impossible to set the room temperature by the air-
blow operation.
Press and together, the unit of
temperature change "C " (degree-centigrade) and "F"(degree-Fahrenheit)
Set temperature display and
room temperature display
A
1- 4 Time setting
Clock key
Press the key one time will activate set clock mode.
Press the key again will disable set clock mode.
~Under set clock mode, the real time clock and
present day setting can be changed by pressing Day key,
Hour key or Minute key.
7-Days timer key
There are two keys for timer. One is ON Timer,another is Off Timer.
Press the key one time will activate set timer mode.
Press the key again will disable set timer mode.
~Under set timer mode, the 7-days timer settingcan be changed by pressing Day key, Hour key or Minute
key.
A
B
Current time display
Timer Hold/Resume display
Day key
During set clock mode or set timer mode, press the key will change the day setting.
Hour key
During set clock mode or set timer mode, press the key will change the hour setting.
Minute keyDuring set clock mode or set timer mode, press the key will change the minute setting.
22
7/25/2019 Manual controlador mquay
24/64
Timer Hold/Resume key
If 7-days timer is set, then the word "Timer Active" is displayed.
To clear all the timers setting, Press and hold the hold key until the word "Timer Active" is notdisplayed.
To resume the timer setting after timers have been held, press and hold the key until the word "
Timer Active" is displayed.
23
1- 5 Other function
Key lock
Press the "MINUTE" key three times consecutively,
"KEY LOCK" symbol will appear on LCD screen.
At this time, only "ON-OFF" key is valid.
This function purpose is protect from mischief of child
etc.
To cancel the key lock function, Please press "MINUTE"
key three times consecutively again.
Test run
Press the "TEST" key two times consecutively.The unit will run and finished automatically after two
hours.
6. Self Diagnosis Table
7/25/2019 Manual controlador mquay
25/64
A. WALL MOUNTED COOLING SERIES
Model Board Handset WM 10/15/20/25 F C5 G8
LED Indicator Light Display
Timer Power
Sleep Dry
Self Diagnosis Table
POWER SLEEP TIMER DRYOperation / Faulty I
Timer on
Sleep mode on
Dry mode
Continuosly/ Frost prevention m
Once every 2 secRoom air sensor co
Twice every 2 secIndoor coil sensor c
3 time every 2 sec Outdoor abnormal
ON / ON or OFF BLINKING
6. Self Diagnosis Table
7/25/2019 Manual controlador mquay
26/64
B. WALL MOUNTED HEATPUMP SERIES
Model Board Handset
WM 10/15/20/25 FR C2.4 G8
LED Indicator Light Display
Cooling Mode Dry Mode
(Green) (Orange)
Heat / Fan Mode Sleep Mode(Red/Green) (red)
Self Diagnosis Table
COOL DRY FAN HEAT SLEEP
Operation / Faulty
/ Cooling mode
Dry mode
Fan mode
/ Heat mode
/ Auto mode in heating o
/ Auto mode in cooling o
Defrost operation
Controller overload pro
Indoor coil sensor cont
Outdoor coil sensor coRoom air sensor conta
If the system is in auto
heat or cool mode and
function turn off the po
7/25/2019 Manual controlador mquay
27/64
C. CEILING EXPOSED COOLING /
HEATPUMP SERIES - WIRELESS CONTR
Model Board Handset CE 20/25/30/40/50 D/DR C3.0B G8
Cooling : LED Indicator Light Display
COOL DRY FAN
Heatpump : LED Indicator Light Display
COOL DRY TIMER FAN POWER
Self Diagnosis Table
COOL DRY/ FAN/ HEAT Operation / Faulty
TIMER POWER
/ / / Power on
Room sensor conta
Outdoor coil senso
Gas leak
Compressor overloOutdoor defrost
ON / ON or OFF BLINKING
7/25/2019 Manual controlador mquay
28/64
D. CEILING CASSETTE COOLING /
HEATPUMP SERIES - WIRELESS CONTR
Model Board Handset
CK 20/25/30/40/50 A/AR C3.0A G8
Cooling : LED Indicator Light Display
POWER TIMER SLEEP
Heatpump : LED Indicator Light Display
POWER TIMER HEAT
Self Diagnosis Table
COOL HEAT Operation /
POWER TIMER SLEEP POWER TIMER HEAT
/ / / / Power on
Room / Indoheatpump) c
loose / short
Gas leak fau
Compressor
Condensate
Pump error
Outdoor defr
(for heatpum
ON / ON or OFF BLINKING
7/25/2019 Manual controlador mquay
29/64
E. C3 CONTROLLER WITH SLM WIRED HANModel Board Handset
CK 20 - 50 A/AR C3A SLM2 - 10 WIRE
CE 20 - 50 D/DR C3B SLM2 - 10 WIRE
CC 10 - 60 C/CR C3B SLM2 - 10 WIRE
COOLING ONLY MODEL
Operation / Faulty Indicat
Room sensor contact loose
Indoor coil sensor contact lo
Outdoor coil sensor contact
Gas leak
Compressor overload
Candensate water overflow
* For CK model only
HEATPUMP MODEL
Operation / Faulty Indicat
Room sensor contact loose
Indoor coil sensor contact lo
Outdoor coil sensor contact
Gas leak
Compressor overload
HIGHFAN
SLEEP
LOWF
AN
COOL
MED.FAN
TIMER
HEAT
HIGHFAN
SLEEP
LOW
FAN
COOL
MED.
FAN
TIMER
ON / ON or OFF BLINKING
7/25/2019 Manual controlador mquay
30/64
F. WALL MOUNTED COOLING SERIES
- AUTO RANDOM RESTART
Model Board Handset
WM 10/15/20/25 F D2.0 G8
LED Indicator Light Display
Timer Power
Sleep Dry
Self Diagnosis Table
POWER SLEEP TIMER DRY
Operation / Faulty
/ Timer on
Sleep mode on
Dry mode
/ Frost prevention m
Once every 2 secRoom air sensor co
Twice every 2 secIndoor coil sensor
3 time every 2 sec
Gas leak
ON / ON or OFF BLINKING
7/25/2019 Manual controlador mquay
31/64
G. WALL MOUNTED HEATPUMP SERIES
- AUTO RANDOM RESTART
Model Board Handset
WM 10/15/20/25 FR U1.4 G8
LED Indicator Light Display
Cooling Mode Dry Mode
(Green) (Orange)
Heat / Fan Mode Sleep Mode
(Red/Green) (red)
Self Diagnosis Table
COOL DRY FAN HEAT SLEEP
Operation / Faulty
/ Cooling mode
Dry mode
Fan mode/ Heat mode
/ Auto mode in heating o
/ Auto mode in cooling o
Defrost operation
Compressor overload
Indoor coil sensor cont
Outdoor coil sensor co
Room air sensor conta
Gas leak
7/25/2019 Manual controlador mquay
32/64
H. WALL MOUNTED INVERTER HEATPUMP
Model Board
WMV 10FR/SLV10BR VA1.0
LED Indicator Light Display
Cooling / Dry Standby / Fan
(Green / Red) (Red)
Heat Time
(Red) (Green)
Self Diagnosis Table - Indoor LED Display
COOL DRY HEAT STANDBY TIMER
Operation / Faulty In
/ Cooling mode
Dry mode
Fan mode
/ Heat mode
/ Auto mode
Defrost operation
Compressor overloaIndoor coil sensor co
Outdoor coil sensor
Gas leak / compress
7/25/2019 Manual controlador mquay
33/64
Outdoor Inverter Display Panel
Error Code Display as LED blinking
Code Error
01 Current transformer error
02 Communication with indoor error
03 Indoor coil sensor error
04 Oudoor coil sensor error
05 Gas leak
06 Coil overload07 Outdoor air sensor error
08 Compressor discharge sensor error
09 Room sensor error
10 Communication with inverter error
11 PFC error
12 Compressor discharge temperature error 13 Total current overload
14 Inverter DC peak trip (overcurrent)
24 Inverter overvoltage trip
25 Inverter overload trip
26 Inverter overheat trip
27 Inverter CPU error 1
28 Inverter CPU error 2
29 Inverter illegal command in the Master trip
2A Inverter illegal command in the Inverter trip
2C Inverter abnormal in the master trip
2E Inverter external signal trip
Outdoor Board LED
Condition LED
7/25/2019 Manual controlador mquay
34/64
I. CEILING EXPOSED COOLING /
HEATPUMP SERIES - AUTO RANDOM RES
Model Board Handset
CE 20/25/30/40/50 D/DR U1.4 G8
Cooling : LED Indicator Light Display
COOL DRY FAN
Heatpump : LED Indicator Light Display
COOL DRY FAN HEAT
Self Diagnosis Table
COOL DRY FAN HEAT SLEEPOperation / Faulty
/ Cooling modeDry mode
Fan mode
/ Heat mode
/ Auto mode in heating o
/ Auto mode in cooling o
Defrost operation
Compressor overload p
Indoor coil sensor cont
Outdoor coil sensor co
7/25/2019 Manual controlador mquay
35/64
J. CEILING CASSETTE COOLING /
HEATPUMP SERIES - AUTO RANDOM RE
Model Board Handset
CK 20/25/30/40/50 A/AR U1.4 G6
Cooling : LED Indicator Light Display
POWER TIMER SLEEP
Heatpump : LED Indicator Light Display
POWER TIMER HEAT
Self Diagnosis Table
POWER TIMER SLEEP DRY
Operation / Faulty
Timer on
Sleep mode on
Heat mode
Continuously/ Frost prevention m
Once every 3 sec Compressor overlo
Twice every 3 secPump fault
3 time every 3 secGas leak
7/25/2019 Manual controlador mquay
36/64
K. AUTO RANDOM RESTART CONTROLLER
WITH SLM WIRED HANDSETModel Board Handset
CK 20 - 50 A/AR U1.4 SLM 3 - 4 WIRECE 20 - 50 D/DR U1.4 SLM 3 - 4 WIRE
CC 10 - 60 C/CR U1.4 SLM 3 - 4 WIRE
SB75 - 150 B/BR U1SB125 SLM 3 - 4 WIRE
SB75 - 150 D/DR U1SB125 SLM 3 - 4 WIRE
Cooling / Heatpump Model
Error Code at 7 Segment Display Operation / Faulty Indic
E1Blinking Room Sensor Contact
E2Blinking Indoor Coil Sensor Con
E3Blinking Outdoor Coil Sensor Co
E4Blinking Compressor Overload
E5Blinking Gas Leak
E6Blinking Pump Faulty
Heat LED Blinking Outdoor Defrost (For H
7/25/2019 Manual controlador mquay
37/64
L. STATIC DUCTED BLOWER FAN COIL UNIT
HEATPUMP SERIES
Model Board Ha
SB 150B2/BR2 - 600B4/BR4 SQCH SQ
SB150D2/DR2 - 500D4/DR4 SQCH SQ
When the system is on and an error occurs, the ON/OFF LED o
blink and an error code is shown. When the system is off and th
error, the ON/OFF LED is off but the error code is still displaye
represents different message as below:
Error Code Operation / Faulty Indication
E01 Require manual reset
E02 Compressor 1 high temperature (overlo
E03 Compressor 2 high temperature (overlo
E04 Compressor 3 high temperature (overlo
E05 Compressor 4 high temperature (overlo
E06 Compressor 1 high pressure trip / conta
E07 Compressor 2 high pressure trip / conta
E08 Compressor 3 high pressure trip / conta
E09 Compressor 4 high pressure trip / conta
E10 Compressor 1 trip / low R-22 / outdoor a
E11 Compressor 2 trip / low R-22 / outdoor a
E12 Compressor 3 trip / low R-22 / outdoor aE13 Compressor 4 trip / low R-22 / outdoor a
E14 Room sensor short
E15 Room sensor open
E16 Indoor coil sensor 1 short
E17 Indoor coil sensor 2 short
E18 Indoor coil sensor 3 short
E19 Indoor coil sensor 4 short
E20 Indoor coil sensor 1 open
E21 Indoor coil sensor 2 open
E22 Indoor coil sensor 3 open
E23 Indoor coil sensor 4 open
E24 Outdoor coil sensor 1 short
7/25/2019 Manual controlador mquay
38/64
M. CHILLED WATER FAN COIL SERIES
Model Board Handset
CK 20 - 50 AW W1V2 G6 Wireless Controlle
CE 20 - 50 DW W1V3 Netware-1 Wired ContrCC 10 - 60 CW
Self Diagnosis Table
Wireless Wired Operation / F
Power LED Other LEDs 7 Segment Display
Blinks 4 times Fan blinks E1 Blinking Room sensor Co
Blinks 4 times Sleep blinks E2 Blinking Indoor coil senso
Blinks 1 time Cool blinks E4 Blinking Pipe water temp
Blinks 2 times Cool & Fan blink E6 Blinking Pump faulty
Mainboard: W1V3
Wireless Wired Operation / Fau
Power LED Other LEDs 7 Segment Display
Blinks 4 times Fan blinks E1 blinking Room sensor coBlinks 4 times Sleep blinks E2 blinking Indoor coil sens
Blinks 3 times Cool & dry blink E4 blinking Pipe water temp
Blinks 1 times Cool blinks E5 blinking Pipe water temp
Blinks 2 times Cool & fan blink E6 blinking Pump faulty
Mainboard : W1V2
7/25/2019 Manual controlador mquay
39/64
N. ROOFTOP PACKAGED AIR CONDITIONER
Model Board Handset
A) RT 80/100/150/200 MECHANICAL PAC-204R
Self Diagnosis Table
7 Segment Display Operation / Faulty Indication
E01 Blinking Thermistor Open CircuitE02 Blinking Thermistor Open Short
E03 Blinking External Switch Is Closed
B) RT 150/250/300 SQCH SQ-LCD
Self Diagnosis Table
Please refer to Page 34
C) RT 60/80/100/120 U1SB125 SLM-3
Self Diagnosis TablePlease refer to Page 33
7/25/2019 Manual controlador mquay
40/64
O. AIR COOLED MINI CHILLER
Model Board
AC40/50/58A/AR SZMC01
AC75/100/125B/BR
System Failure Mode
No Description Error Code Compressor Condenser
Display Fan
1 Compressor overload CO X X2 Condenser fan overload CO X X
3 Water pump overload PO X X
4 Flow switch FL X X
5 High pressure cut-off HP X X
6 Low pressure cut-off LP X X
X = Stop; O = Run; B = Blink
Error Code
Display Possible Causes
CO Compressor thermal relay trip
Terminal loose
PO Pump thermal relay trip
Terminal looseFL Flow switch connection fault
Water flow wrong connection
Flow switch fault
HP Discharge pressure high
Overcharged
Coil dirty
Condenser fan faultLP Suction pressure low
Undercharged/leak
Water flow rate too low
E3 Antifreeze protection activated
7/25/2019 Manual controlador mquay
41/64
7. General Troubleshooting Guide
By means of pressure readings
PRESSURE PROBAB
Data
Circuit
HIGH SIDE 1. Overcharged with refri
LOW SIDE 2. Non-condensable gase
(eg.oil)
3. Obstructed air-intake /
4. Short circuiting of hot a
HIGH SIDE 1. Poor compression / no
LOW SIDE ( compressor defective
2. Check valve stick in op
3. Reversing valve leakin
HIGH SIDE 1. Undercharged with ref
LOW SIDE 2. Refrigerant leakage.
3. Air filter clogged / dirty4. Indoor fan locked (coo
5. Defective defrost contr
up (heating)
6. Outdoor fan locked (he
HIGH SIDE 1. Outdoor fan blocked (c
LOW SIDE 2. Outdoor coil dirty (coo
3. Indoor fan lock (heatin
4. Indoor filter clogged di
HIGH SIDE 1. Air intake temperature
TOOLOW
TOOHIGH
NORMAL
ALITTLE
LOW
ALITTLE
HIGH
High Suction Pressure
7/25/2019 Manual controlador mquay
42/64
High Suction
Pressure
Excessive Fresh Air Intake
Evaporator Air
Inlet
TemperatureInsufficient Duct Insulation
Defective Compressor Valve
R
Re
Change
Low
Overcharged Refrigerant
Low Suction
Pressure
Clogged Air Filter
Evaporator
Air Inlet
Temperature
EvaporatorAir Flow
Restricted Duct
Low Fan Speed
Short Cycling
Faulty Thermostat
Restricted Liquid LIne And
Suction Line
Low Discharge Pressure
Remove o
Repa
Restricted
Low
Low Refrigerant Charge
See "L
Low Suction Pressure
High Discharge
Pressure
Clogged Condenser Coil
Condenser
Air Inlet
Temperature
Condenser
Air Flow
Low Fan Speed
Malfunction Of Fan Cycling
System
Circulating Air Flow
Overcharged Refrigerant
Non-Condensable Gas
C
Secure s
Restricted
High
Restricted Liquid Line
High Discharge Pressure
Diagnosis by flow chart (Cooling only)
7/25/2019 Manual controlador mquay
43/64
Diagnosis by flow chart (Cooling only)The following charts are efficient checking procedures for troubleshooting wh
are combined with condensing units with the unit standard wiring. For dual c
the procedures for each circuit.
No Cooling
No Cooling ( Compressor Does Not Start )
No Voltage or Low Voltage
Unit PowerSupply
Evaporator
Fan Motor
Fuse For
Operation
Circuit
Single-Phase
Components Shorted
Connections Loose
Overcurrent
Relay For
Evaporator Fan
High Volage or Low Voltage
Single-Phase
Evaporator Fan
Contactor
Coil Burned
Contact Faulty
Repair or
Check
motor
Faulty Fan Motor
Defective Operation Switch
Re
Rep
CondenserFan Motor
Overcurrent
Relay For
Condenser Fan
Condenser Fan
Contactor
High Voltage or Low Voltage
Single-Phase
Coil Burnt
Contact Faulty
Fan Motor Faulty
Other Electrical ComponentFaulty
Re
Repa
Running
Stop
Tripped
Faulty
Faulty
Tripped
Blown
Running
Faulty
Stop
: Faulty : Check : Cause
Check
motor
7/25/2019 Manual controlador mquay
44/64
Insufficient Cooling
High Discharge Pressure or Low
Suction PressureDual Pressure
Switch
Compressor
Cycling
Overcurrent
Relay ForCompressor
Clogged Capillary or Pressure
Switch
Switch Faulty
High Voltage or Low Voltage
Discharge Gas
Thermostat or
Internal
Thermostat
Single-Phase
High Discharge Pressure AndHigh Suction Pressure
High Discharge Pressure And
Low Suction Pressure
Refrigerant Short Charge or
Refrigerant Leakage
See "High
Repair c
Repai
Che
compressor
High Suction Pressure
High Discharge Pressure or Low
Suction Pressure
See
Running
Tripping
Cycling On
Tripping
Tripping
Loose Connections
See "Hor
See "H
or
See "H
or
Noisy Operation
Unremoved Shipping Bolt(s)
Evaporator
Fan
Compressor
Overcharged Refrigerant
Low Suction Pressure
Worn Compressor Parts
Knocking Runner
Worn Bearing
Refrigerant Short Charge
See
Replace o
Fix the r
Noisy
Partially CloggedLiquid Line
ShippingBolt(s)
Liquid
Refrigerant
Backing Up
Noisy
Noisy
Noisy
Strainer
Whistling
Insufficient Cooling
Noisy Operation
7/25/2019 Manual controlador mquay
45/64
General Trouble Shooting Guide - 1
When any air conditioner malfunction is noted, immediately swi
ply to the unit, and contact the local dealer, if necessary. Some s
tips are given below:
Fault Cau
1. Compressor does not work * Protection agains
3 minutes after starting. Wait for 3 to 4 min
2. The unit does not work. * Power failure or n fuse
* The power plug is
* It is possible that
been set incorrect
* If the fault persist
contact your instal
3. The air flow is too low * The air filter is dir
* The door and wind
* The air intake and
clogged.
4. The remote control light is dim. * Battery flat.* Batteries are inco
misplaced.
5. Air discharge flow has bad odour * Odours may be ca
smoke particles, p
adhere to the coil.* Check if there is a
wall, garment, and
* Check the drain p
7/25/2019 Manual controlador mquay
46/64
7/25/2019 Manual controlador mquay
47/64
7/25/2019 Manual controlador mquay
48/64
7/25/2019 Manual controlador mquay
49/64
7/25/2019 Manual controlador mquay
50/64
hootingforoptionalGlobalRemoteContro
ller
service,chec
kthefollowingp
oints
oteController
Cause
Troubleshoo
ting
cialOrder)
OFFdisplayisnot
Powerfailure
Presstheswitch(ON)buttonafter
power
up.Nodisplay
restoration
arsevenwhen
the
Thepowersu
pplyisturnedOFF
TurnthepowersupplyON
OFF)buttonis
Thefuseinth
epowersupplyisgone
Replacefuse
sed
Theearthlea
kagebreakerisgone
Putintheearthleakagebreaker.
Thewiringph
aseofpowersupply
is
Modifythewiringphaseofpowersupply
mistaken
quidcrystal
Impropertem
peratureadjustment
Afterchecking
thesettemperatureandinlet
ayshowsthatitis
temperaturea
djustthermostat(23
WA)
stateofopera
tion
Thefilterisfilledwithdustanddirt.
Cleanupthefilter
Therearesomeobstaclesattheair
Removetheo
bstacle
inletandoutletoftheunits
Windowsand
doorsareopen
Closethewindowsanddoors
quidcrystal
Therestart-p
reventingcircuitisin
Waitforawhile
ayshowsthat
operationfor
3minutes
(Toprotectthecompressor,a3-m
inuterestart-
noperation
preventingcir
cuitisbuiltintotheu
nit.
Therefore,the
reareoccasionssometimes
whenthecom
pressordoesnotsta
rtrunning
immediately.Therearecaseswhe
nitdoesnot
runforaslongas3minutes.)
t
T h
t t
t
f t h
t
t i
F
t
t
t l d
t h
t
8 M difi ti t A t R t t
7/25/2019 Manual controlador mquay
51/64
8. Modification to Auto Restart
Auto Restart Feature
Modification on controller board to have unit restart after power
setting:
Indoor Temp. Set Temp. Fan Speed Mode
Cooling All Temp. 24C High Cool
model
Heatpump > 20C 24C High Cool
model < 20C 20C High Heat
I) WM 10/15DR & WM 20/25CR :
a) For challenger C2.2 PCB,
To add a 10k Ohm 5% Carbon, 1/4 W or higher resistor diagona
Switch Board CHAL2F1
Front View Reverse V
b) For challenger C2.4 PCB,
To solder a 10k Ohm 5% Carbon, 1/4 W or higher resistor diago
Switch Board C2D03F1
II) WM 10ER :
7/25/2019 Manual controlador mquay
52/64
51
For Challenger C2.4 PCB
To add a 10k Ohm 5% Carbon, 1/4 W or higher resistor diagonally at S1 On/Off
Switch Board C2E02S1
R
III) WM 10/15/20/25 FR :
For Challenger C2.4 PCB
To solder a 10k Ohm resistor at R_CON located at the WMF02D2
IV) C3A & C3B Board Wireless Controller:
7/25/2019 Manual controlador mquay
53/64
52
To solder a 10kOhm resistor across RCON located on the On/Off switch board
CKS2XXX for C3A board and 03DCEDX for C3B board
RCON
V) SLM Wired Controller for C3A & C3B Board :
To solder a jumper wire across JDO on the main board of the SLM wired controller.
JDO jumper
9.9.9.9.9.AAAAAuto Ruto Ruto Ruto Ruto Random Random Random Random Random Restarestarestarestarestart Contrt Contrt Contrt Contrt Controllerollerollerolleroller
7/25/2019 Manual controlador mquay
54/64
53
I) Auto Random Restart SelectionAuto restart at the last state memory setting:
Shorted at JH/JP1 jumper at main board for auto restart (supplied);
Remove the jumper to have non-auto restart.
WM-F Series WM-FR Series Other Model
(D1.7 Board) (U1.3 Board) (U1.4 Board)
II) Hot Keep Selection
Three selection available:a. Fan stop if indoor coil temperature < 30C (OFF);b. Fan runs at low speed if indoor coil temperature < 30C and stop if indoor coil
temperature < 18C (ON);
c. Cycle of low fan running for 30 seconds and fan off for 120 seconds and repeat(INTERVAL).
WM-F/FR (U1.3 Board)3 selection available at the slide switch on the On/Off Switch board; Preset at OFF.
7/25/2019 Manual controlador mquay
55/64
54
Other models (U1.4 Board)
At CN3 location on the PCB,i. Remove the connector to have (b)-Fan ON and
ii. Cut off the big resistor (12k Ohm) to have (c)-Fan INTERVAL
Non-ducted Model-Standard setting is (a)-Fan OFF
Ducted Model - Standard setting is (c)-Fan INTERVAL
10 Controller Configuration
7/25/2019 Manual controlador mquay
56/64
10. Controller Configuration
A) Sequential ControllerIt is allowed to configure the controller to suit individual's need w
Model Select ion
1. Number of Compressor
The control can be configured into 4 main types base on numbe
By changing "R42" values :
Item Type R value1 Single Compressor 3k
2 2 compressors 7.5k
3 3 compressors 22k
4 4 compressors OPEN
2. ModelsFor each type, there are 3 models for the control to configure in
Dip switch 1 Dip switc
a. Cooling (SQCn) off off
b. Heatpump + no heater (SQHn0) on off
c. Heatpump + 1 heater (SQHn1) off ond. Heatpump + 2 heater (SQHn2) on on
e. Auto heatpump + no heater (SQHn0) on off
f. Auto heatpump + 1 heater (SQHn1) off on
g. Auto heatpump + 2 heater (SQHn2) on on
n denotes number of compressor(s).where the postfix number indicates number of compressor(s).
3. Stage Differential Temperature
7/25/2019 Manual controlador mquay
57/64
note that 1.5C only valid for 2 and 3 compressors model. For 4
maximum allowed is 1.0C.
The default differential temperature is base on number of compsetting is as below :
Model Diff. Temperature
1 compressor Not applicable
2 compressor 0.5C
3 compressor 1.0C
4 compressors 1.5C
4. Hot Keep Option
Dip switch 6
a. Fan off off
b. Fan on on
5. Operating Modes
The system has 4 operating modes to select with respect to eac
Model Auto Cool Heat Fan
SQCn - X - XSQHnh - X X X (Di
SQHnh X X X X (Dip
Where x denotes modes available
n = number of compressor(s)
h = number of heater(s)
6. Last Memory Functions
The power up settings for either with or without the last memory
the JH1 setting
7 Sequential Control For Cool Mode
7/25/2019 Manual controlador mquay
58/64
7. Sequential Control For Cool Mode
The starting sequence for indoor fan, outdoor fan and compress
below:
2 secondsStart Indoor fan
15 seconds 2 seconds
outdoor fan 1 compressor 1*
15 seconds 2 seconds
outdoor fan 2 compressor 2*
15 seconds 2 seconds
outdoor fan 3 compressor 3*
15 seconds 2 seconds
outdoor fan 4 compressor 4*
* if available and applicable
The compressors will be turned on one by one depending on th
shown in the above
8. Sequential control for heat mode
The starting sequence for indoor fan, outdoor fan and compress
below :
2 seconds 2 secondsStart Indoor fan all 4 way valves
15 seconds 2 seconds
outdoor fan 1 compressor 1*
15 seconds 2 seconds
outdoor fan 2 compressor 2*
15 seconds 2 secondsoutdoor fan 3 compressor 3*
15 seconds 2 seconds
outdoor fan 4 compressor 4*
15 seconds 15 seconds
9. Conversion from Old Sequential Board to New Sequential Board
7/25/2019 Manual controlador mquay
59/64
(For wiring up to 1000 metres)
9.1 Sequential Main Board SQMB01(Old Version)
9.2 Sequential Main Board SQMB01 (New Version)
58
U8
J1 & J2
Rework instruction:
SQMB01 (Main Board) from old
version to new version
Step 1: Remove Jumper J1 and J2.
Step 2: Add Part: 2051-MAX1483
IC :MAX1483 to U8
9.3 Sequential Main Board SQMB01 (New Version)
7/25/2019 Manual controlador mquay
60/64
59
9.4 Sequential LCD Panel SQLCD (New Version)
Part : 2051- MAX1483
IC : MAX1483
Jumper J1 and
J2 removed
J2
J1
U8
SQLCD (LCD Panel) from old to new
Step 1: Remove Jumper: J1, J2
Step 2:Add Chip Resistor. 1/10W 5%
200K to R8, R9, R10
Step 3:Add Part: 1000000030
IC: SMD MAX1483CSA to U4
R9
R8U4
R10
B) W1V2 - Chilled Water Fan Coil Unit
7/25/2019 Manual controlador mquay
61/64
60
Mode Selection
Modes Cool Dry Heat Fan OD
Heatpump, AP X X X X Shorted
Cooling, EC X X - X Open
Last Setting Memory Backup
By removing the jumper at JH on the main board.
Wiring Connection
CN4 : To connect to Netware-1 controller (Wired-3 way wire)
CN6 : To connect to LED display (Wireless G6 application)
CN2 : To connect to twin motor board (if required)T_FULL : To connect to level switch (for Ceiling Cassette only)
T_FULL
CN2
Note :
Only one application either wired or wireless control at one time.
C) W1V3 - Chilled Water Fan Coil Unit
The Standard Board (W1V3) comes with a VALVE jumper. The system can be
7/25/2019 Manual controlador mquay
62/64
The Standard Board (W1V3) comes with a VALVE jumper. The system can be
configured as the jumper selection listed below:
VALVE Jumper HEAT Jumper
Heatpump Mode & Valve Application
Heatpump Mode & Valveless Application
Cooling Mode & Valve Application
Cooling Mode & Valveless Application
: Jumper Remained : Jumper Removed
VALVE & HEAT Jumper Location
Model: WM 05-25FW
1. VALVE jumper is plugged into JVLV connector on the emergency switchboard.
2. Heat jumper is plugged into JMODE connector on the emergency switchboard.
Model: CK 20-50AW, CK 15-30BW, CE 20-50DW and CC 10-60CW
1. VALVE jumper is plugged into JVLV connector on the main board.
2. HEAT jumper is plugged into OD connector on the main board.
61
VALVE Jumper
D) Netware-1 Controller
7/25/2019 Manual controlador mquay
63/64
)
Feature : Dip Switch Setting for Model Selection
Pin Function Remarks
JH & JD COOL, DRY, FAN JH - OFF; JD - ON
COOL, DRY, FAN, HEAT JH - ON; JD - ON
RTC No real time clock RTC-OFF
Real time clock RTC-ON
NO DRY With Dry function NO DRY - ON
Dry function NO DRY - OFF
E) Air Cooled Mini Chiller
Entering Water Temperature
Mode Factory SettingCOOL 12C
HEAT 40C
SW2 Factory Setting (for COOL mode)
Set Temp. SW2
C SW2-3 SW2-2 SW2-1
Set by VR3 0 0 0
3 0 0 1
4 0 1 0
5 0 1 1
6 1 0 0
7 1 0 1
8 1 1 0
F) Work Instructions
7/25/2019 Manual controlador mquay
64/64
Conversion of C3 Board from LCD Wireless Control to SLM Wired Control
Step 1 & 2
Step 3
Step 1: Remove the LED Display hardness wire from the connector CN3;
Step 2 : Connect the SLM handset wire connector to CN3
(Ensure the wire is 10 core wire);
Step 3: Cut off a capacitor at C6 as highlighted.
Step 4: Reset the unit.