Parameter and Error list Zanotti GM-Uniblock Zanotti GS-Split · Technical Info Technical Services...

Technical Info

Technical Services Division – Daikin Europe NV

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Parameter and Error list

Zanotti GM-Uniblock

Zanotti GS-Split

GM GS

ESIE 17-02

Technical Info


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SUBJECT: Parameter and Error list Zanotti GM-Uniblock & GS-Split

Attached, please find the Zanotti GM-Uniblock & GS-Split Parameter and Error list. This document

explains how to work with the units controller, gives an overview of all the parameter settings and

gives an thoroughly explanation about the error codes.

Before performing design, construction, or maintenance, thoroughly read the "Installation Manual" that

come with this product.

1. Table of contents

1. Table of contents ........................................................................................................... 2

2. Version log ..................................................................................................................... 2

1. PCB: Technical data ...................................................................................................... 3

2. Keyboard Technical Data ............................................................................................... 4

3. How to program the parameters ..................................................................................... 6

4. Entering ‘Machine Status’ Menu ..................................................................................... 8

5. Alarm signalling.............................................................................................................. 9

5.1 MAX/MIN Temperature alarms.............................................................................. 11

5.2 Duty-Cycle ............................................................................................................ 11

6. Parameters .................................................................................................................. 12

2. Version log

Month/Year Revised contents

09/2017 -

Technical Info


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1. PCB: Technical data Casing: Open board

Dimensions: 160x117 mm (Lxh)

Mounting: Can be adapted to container sizes that comply with DIN specifications (installed on DIN rail)

Terminals: Screw type for 2.5mm² section cables and faston

Temperature: Operating: –5…55 °C - storage: –30…85 °C

Ambient humidity: Operating / storage: 10…90 % RH (non-condensing)

Power supply: SMPS 100-240 V~ ±10% 50/60 Hz

Power consumption: 7.5W max

Range: –50...110°C

Accuracy: Better than 0.5% full scale + 1 digit

Resolution: 1 or 0.1 °C

Buzzer: NO

Analogue inputs: 3 NTC inputs (Pb1, Pb2* and Pb3*)

*NOTE: probe Pb2 is present if H42 = y and probe Pb3 is present if H43 ≠ n

Digital inputs: 3 voltage-free digital inputs (clean) configurable via parameters H11, H12 and H13

Serial Outputs: TTL (5-way connector): for connection to Copy Card or Supervisor (connection to Televis).

• 'Voltage' serial (terminals 1-2-3) for power module-keyboard connection (long distance)

• 'RS485' serial (terminals 19 ... 24) for Supervision (connection to Televis).

Digital outputs: The device has 5 relay outputs:

Output RL1 = Relay 12(12)A (2Hp) 250V~ SPST (Compressor)

Output RL2 = Relay 8(4)A 250V~ SPST (Fans)

Output RL3 = Relay 16A 250V~ SPDT (Defrost)

Output RL4 = Relay 16A 250V~ SPST (Light)

Output RL5 = Relay 8(4)A 250V~ SPST (Alarm)

The device is classified:

In terms of construction, as an independently mounted automatic electronic control device.

In terms of automatic operating characteristics, as a type 1B controller.

In terms of software class and structure, as a Class A controller.

As a device with class 2 pollution rating (standard).

As a device with class D fire resistance.

In terms of the over voltage category, as a grade II device.

As a device made with class IIIa material.

Terminals

1/2/3 ‘Voltage’ serial (power module-keyboard connection)

RL1 Compressor relay output

4 - 5 Digital input D.I.1 (general pressure switch) RL2 Fans relay output

6 - 7 Digital input D.I.2 (external alarm) RL3 Defrost relay output

8 - 9 Digital input D.I.3 (door switch) RL4 Lights relay output

12 - 13 Probe Pb1 input (cold room) RL5 Alarm relay output

14 - 15 Probe Pb2 input (evaporator) L - N 230Va board power supply

16 - 17 Probe Pb3 input (condenser alarm) GND Ground

TTL TTL / Copy Card input from 19 to 24 RS485 for Supervision (connection to Televis)

Technical Info


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2. Keyboard Technical Data

For split For Mono-blocks

Casing: Open board with polyester front cover

Dimensions: Front panel 66x130 mm, panel thickness

0.5 mm

Front panel 83x310 mm, panel

thickness 0.5 mm

Mounting: Panel-mounting (via double-sided adhesive) can be set for a distance of up to 100

m

Terminals: Screw terminals for cables with a cross-section of 2.5mm2

Temperature: Operating: –5…55 °C - storage: –30…85 °C

Ambient humidity: Operating/storage: 10…90 % RH (non-condensing)

Power supply: 12Vc ±10% from power board (IWP750 Zanotti series)

Display range: –50...110°C

Accuracy: Better than 0.5% integral scale + 1 digit

Resolution: 1 or 0.1 °C

Buzzer: No

Display: Display with 4 white colour digits

Icons: 14 Colour icons (7 red - 3 yellow - 4 green)

Keys: Colour icons (7 red - 3 yellow – 4 green) 5 Capacitive touch keys + 2 touch

knob

The device is classified: The classification of the instrument is: • According to its construction, as an independently mounted automatic

electronic control device. • In terms of automatic operating characteristics, as a type 1B controller. • in terms of software class and structure, as a Class A controller. • As a device with class 2 pollution rating (standard). • As a device with class D fire resistance. • According to the overvoltage category, as a class II device. • As a device made with class IIIa material.

Technical Info


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3. How to program the parameters Level 1 parameters:

1. Touch PRG key for 5 seconds. It will display the label CP (compressor) indicating that you have access to the programming menu.

2. Act on the wheel to display the desired folder.

3. Touch the PRG key to access the parameters of the selected folder.

4. Act on the wheel to select the parameter you want to modify.

5. Touch the PRG key to display the parameter value.

6. act on the wheel to change it.

7. Touch the PRG key to store the value and return to display the parameter label.

8. To return to the folder briefly touch the ON / OFF key. Level 2 parameters:

1. Touch PRG key for 5 seconds.

2. Act on the wheel and scroll to the CnF-folder.

3. Touch the PRG key to access the folder.

4. Act on the wheel and scroll to the PA2-label.

5. Touch the PRG key to access the folder.

6. Give in the password “100” by using the scroll wheel.

7. Touch the PRG key.

8. Scroll through the level 2 parameters.

9. Touch the PRG key to access a folder.

Level 2 parameters should not be changed, they are unit related and critical for the unit operation.

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4. Entering ‘Machine Status’ Menu

Press and release the PRG key to open the ‘Machine Status’ menu. The following parameters will

appear: • ALr: alarms folder (if present; probe errors/faults excluded) • SP: setpoint configuration folder • Pb1: probe 1 value folder • Pb2: probe 2 value folder (if present; H42 = y) • Pb3: probe 3 value folder (if present; H43 ≠ n)

FnC: Functions folder. The functions are :

Function Function label ACTIVE Function label NOT

ACTIVE

Alarm signalling

Manual defrost dEF + blinking icon dEF Blinking Defrost icon

Alarm acknowledgement tAL tAL Blinking Alarm icon

Reset pressure switch alarms rAP rAP Alarm ON icon

NOTES:

• To change the status of a given function, press the ‘SET’ or ‘PRG’ key

• If the instrument is switched off, the function labels will return to the default status.

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5. Alarm signalling

Label Description Cause Effects Remedy

E1 Probe Pb1 error

(cold room)

• Measured values are outside operating range.

• Probe faulty/short-circuited/open.

• Label E1 displayed. • Alarm icon

permanently on. • Max and min alarm

regulator disabled. • Compressor function

based on parameters Ont and Oft.

• Check the probe type (NTC).

• Check the probe wiring.

• Replace probe.

E2 Probe Pb2 error

(defrost)

• Measured values are outside. operating range.



permanently on. • The defrost cycle will

end due to Time out (dEt).



• Replace probe.

E3 Probe Pb3 error

(condenser)

• Measured values are outside operating range.



permanently on.



• Replace probe.

AH1 Pb1 HIGH

temperature alarm

Value read by Pb1 > HAL after time of tAO. (see ‘MAX/MIN TEMPERATURE ALARMS’).

• Label AH1 recorded in folder ALr.

• No effect on regulation.

Wait until value read by

the probe Pb1 returns

below HAL−AFd.

AL1 Pb1 LOW

temperature alarm

Value read by Pb1 < LAL after time of tAO. (see ‘MAX/MIN TEMPERATURE ALARMS’).

• Label AL1 recorded in folder ALr.




above LAL+AFd.

AH3 Pb3 HIGH

temperature alarm

Value read by Pb3 > SA3 after time of tAO (if dA3 < 0). (see ‘MAX/MIN TEMPERATURE ALARMS’).

• Label AH3 recorded in folder ALr.




below SA3−dA3.

AL3 Pb3 LOW

temperature alarm

Value read by Pb3 > SA3 after time of tAO (se dA3 ≥ 0) (see ‘MAX/MIN TEMPERATURE ALARMS’).

• Label AL3 recorded in folder ALr.




below SA3+dA3.

EA External Alarm

Activation of a digital input. (H1x = ±5)

• Label EA recorded in folder ALr

• Alarm icon permanently on.

• Regulation blocked.

Check and remove

external cause of alarm on

D.I.

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Label Description Cause Effects Remedy

OPd Door Open Alarm

Activation of a digital input for a time greater than tdO (H1x = ±4).

• Label Opd recorded in folder ALr.


• Regulation blocked if dOd = y.

• Close the door. • Delay function

defined by OAO.

Ad2 End of Defrost for

time-out

End of defrost cycle due to

timeout rather than due to

defrost end temperature

being read by probe Pb2.

• Label Ad2 recorded in folder ALr if parameter dAt=1; not shown if dAt=0.


Wait for the next defrost

cycle for automatic reset.

nPA General pressure

switch alarm

Activation of pressure

switch alarm by general

pressure switch.

If the number of pressure

switch activations is:

n < PEn

• Folder nPA recorded in folder ALr with the number of pressure switch activations.

• Regulation blocked .

Check and remove the

cause that triggered the

alarm on the digital input (Auto reset).

LPA Minimum pressure

switch alarm


switch alarm by low

pressure switch regulator.



n < PEn • Folder LPA recorded

in folder ALr with the number of pressure switch activations.

• Regulation blocked.




HPA Maximum pressure

switch alarm


switch alarm by high

pressure switch regulator.



n < PEn • Folder HPA recorded

in folder ALr with the number of pressure switch activations.

• Regulation blocked .




PA General pressure

switch alarm


switch alarm by general

pressure switch.



n = PEn • Label PA displayed. • Label PA recorded in

folder ALr. • Alarm LED on. • Relay activated (if

configured). • Regulation blocked.

• Switch the device

off and back on again.

• Reset alarms by entering the FnC folder and selecting the rAP function (Manual Reset).

E7 No link between

power board and

keyboard

Communication fault between Power board and Keyboard

• Label E7 displayed. • No effect on

regulation.

During configuration,

switch off all devices then

switch them back on

again.

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5.1 MAX/MIN Temperature alarms

Temperature value in relation to setpoint

(Att=1)

Temperature value Absolute

(Att=0)

Minimum temperature alarm

Temp. ≤ Set + LAL* Temp. ≤ LAL (LAL with sign)

Maximum temperature alarm

Temp. ≥ Set + HAL** Temp. ≥ HAL (HAL with sign)

Returning from minimum temperature alarm

Temp. ≥ Set + LAL + AFd or ≥ Set + │LAL│ + AFd (LAL<0)

Temp. ≥ LAL + AFd

Returning from maximum temperature alarm

Temp. ≤ Set + HAL . AFd (HAL>0) Temp. ≤ HAL - AFd

*If LAL is negative, Set + LAL < Set **If HAL is negative, Set + HAL < Set

5.2 Duty-Cycle

A probe Pb1 (cold room) error causes the following actions:

Code E1 is shown on the display

The regulator is activated as indicated by parameters Ont and OFt if set for dutycycle.

Parameters Ont and OFt programmed for duty-cycle

Ont OFt Compressor output

0 0 OFF

0 >0 OFF

>0 0 ON

>0 >0 DUTY-CYCLE

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6. Parameters

Label Name Medium hot gas

Low hot gas

Medium electric

Low electric

Unit Range Level Description

CP Compressor parameters

diF Differential 2 2 2 2 °/1 0,1…30 1&2 Compressor relay activation differential: The compressor stops when reaching the Setpoint value (as indicated by the regulation probe) and restarts at a temperature value equal to the Setpoint plus the value of the differential. Note: diF ≠ 0.

HSE Max. temp. Allowed setpoint

10 -15 10 -15 °/1 LSE…302 1&2 Higher SEt. Maximum value that can be assigned to the Setpoint. Note: The two Setpoints are interdependent: HSE cannot be less than LSE and vice-versa.

LSE Min. temp. Allowed setpoint

-5 -25 -5 -25 °/1 -58,0…HSE 1&2 Lower SEt. Minimum value that can be assigned to the Setpoint. Note: The two Setpoints are interdependent: HSE cannot be less than LSE and vice-versa.

Ont ON time if faulty room sensor

10 10 10 10 min 0…250 1&2 Compressor start time in the event of faulty probe.

If Ont = 1 and OFt = 0, the compressor stays on permanently (ON),

If Ont > 0 and OFt > 0, it will run in duty cycle mode (See Duty Cycle diagram).

Oft OFF time if faulty room sensor

20 20 20 20 min 0…250 1&2 Compressor switch off time in the event of faulty probe.

If OFt = 1 and Ont = 0, the compressor will always stay off (OFF).

If Ont > 0 and OFt > 0, it will run in duty cycle mode (See Duty Cycle diagram).

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Low hot gas

Medium electric

Low electric


dOF Time between comp. OFF and

next start

2 2 2 2 min 0…250 1&2 Delay time after switch off: the delay time indicated must elapse between deactivation of the compressor relay and the next switch-on.

dbi Time between 2 compressor

starts

2 2 2 2 min 0…250 1&2 Delay time between switch-ons: the delay time indicated must elapse between two consecutive compressor switch-ons.

DEF Defrost Parameters

dtY Defrost operating mode: 1=gas

0=electric

1 1 0 0 num 0/1/2 1&2 Type of defrost.

0 = electric defrost - compressor OFF during defrost cycl

1 = cycle inversion defrost (hot gas) - compressor ON during defrost cycle

2 = ‘Free’: defrost independent of compressor

dit Time interval between 2 defrosts

3 3 3 3 hours 0…250 1&2 Interval between the start of two consecutive defrost cycles. 0 = function disabled (defrosting NEVER performed)

dt1 Unit of measure for defrost

interval

0 0 0 0 flag 0/1/2 2 Defrost time 1. Unit of measure for defrost interval (parameter dit).

0 = dit in hours. 1 = dit in minutes. 2 = dit in seconds.

dCt Defrost interval time count mode

0 0 0 0 Num 0/1/2/3 Selects the count mode for the defrost interval.

0 = compressor running hours (DIGIFROST® method); Defrost active ONLY when the compressor is on.

Note: compressor running hours are counted separately from the evaporator probe (count active also when evaporator probe missing or faulty).

1 = appliance running hours; the defrost count is always active when the machine is on and starts at each power-on

2 = compressor stop. Every time the compressor stops, a defrost cycle is performed based on parameter

3 = not used

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Low hot gas

Medium electric

Low electric


dEt Defrost time override

20 20 30 30 min 1…250 1&2 Defrost time-out; determines the maximum defrost duration.

dSt Defrost Termination Temperature

15 15 8 8 °/1 -50,0…150 1&2 Defrost end temperature (determined by the evaporator probe).

Fan Fans parameters

FSt Fans stop temperature

50 50 50 50 °/1 -50,0…150 1&2 Fans lockout temperature; if the value read by evaporator probe is greater than FSt, the fans will be stopped. The value is either positive or negative and, depending on parameter FPt, can be either the absolute temperature or the temperature relative to the setpoint.

Fdt Fans ON delay 3 3 3 3 min 0…250 1&2 Fans activation delay after a defrost cycle.

dt Drain Down Time 2 2 2 2 min 0…250 1&2 Drainage time. Dripping time.

dFd Fans OFF during defrost

Y Y Y Y flag n/y 1&2 Operating mode of evaporator fans during defrost. 0=n = no 1=y = yes.

FCO Fans ON during compressor OFF

n n n n flag n/y/dc 1&2 Fan Compressor OFF. Selects or deselects fan deactivation at compressor OFF.

0=n = fans off

1=y = fans on (with thermostat; depending on the value read by the defrosting probe, see FSt)

2=dc = duty cycle (via parameters ‘Fon’ and ‘FoF’)

Fod Fans OFF during door open

n n n n flag n/y 1&2 Allows fan block to be selected when the door is open and fan restart when the door is shut (if they were running). 0=n = fans blocked 1=y = fans unaltered.

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Low hot gas

Medium electric

Low electric


AL Alarms parameters

Afd Alarm differential 2 2 2 2 °/1 1,0…50,0 1&2 Alarms cut-in differential.

HAL High temperature alarm setpoint

5 5 5 5 °/1 LAL…150 1&2 Maximum temperature alarm. Temperature value (intended either as distance from Setpoint or as an absolute value based on Att) which, if exceeded in an upward direction, triggers the activation of the alarm signal. See ‘Max/Min temperature alarms.

LAL Low temperature alarm setpoint

-5 -5 -5 -5 °/1 -50,0…HAL 1&2 Minimum temperature alarm. Temperature value (intended as distance from the set point or as an absolute value based on Att) which, when exceeded downwards, triggers the activation of the alarm signal. See ‘Max/Min temperature alarms’.

PAO Alarm delay after start-up

3 6 3 6 hours 0…10 1&2 Alarm override time after device is switched on following a power failure. This parameter refers to high/low temperature alarms only.

dAo Alarm delay after defrost

60 60 60 60 min 0…999 1&2 Temperature alarm exclusion time after defrost.

OAO Alarm delay after door opening

1 1 1 1 hours 0…10 1&2 Alarm signal delay (low and high temperature) after the deactivation of the digital input (port closed).

SA3 High temperature alarm setpoint

55 55 55 55 °/1 -50,0…150 1&2 Alarm Setpoint for probe Pb3.

dA3 Differential 2 2 2 2 °/1 -30,0…30 1&2 Probe Pb3 alarm activation differential.

PrE Pressure alarms parameters

Pen Number of pressure trips

10 10 10 10 Num 0…15 1&2 Number of errors allowed per maximum/minimum pressure switch input. 0 = disabled.

PEI Time period for pressure trips

60 60 60 60 min 1…99 1&2 Minimum/maximum pressure switch error count interval.

Technical Info


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Low hot gas

Medium electric

Low electric


diS Display parameters

CA1 Calibration room sensor

0 0 0 0 °C -12,0…12,0 1&2 Calibration 1. Positive or negative temperature value added to the value read by Pb1. This sum is used both for the temperature displayed and for regulation.

dro Selection Celsius/Farenheit

0 0 0 0 flag 0/1 1&2 Selection of °C or °F to display the temperature read by the probe.

0 = °C 1 = °F.

NOTE: switching between °C and °F or vice versa DOES NOT modify the setpoint, differential, etc. (e.g. setpoint=10°C becomes 10°F).

ddL Display during the defrost

0 0 0 0 flag 0/1/2 1&2 Selects type of value to display.

0=normal read 1=read block 2=display deF

CnF Configuration parameters

PA2 password setting according

second level

x x x x flag 2

H41 Presence control probe

y y y y flag n/y 2 Presence of probe 1 (Pb1). n (0) = not present y (1) = present.

H42 Presence evaporator probe

y y y y flag n/y 2 Presence of probe 2 (Pb2). 0=n= not present 1= Y = present.

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