1

SAMSUNG ELECTRONICS Co. LTD.

HQ SE

INSTALLERERVVER. 01- Jan. 2011

ENERGY RECOVERY VENTILATION[ERV Plus]

2

Trainer Profile

• Name :• E-mail :

SAMSUNG ELECTRONICS CO.LTD

3

Contents

SAMSUNG ELECTRONICS CO.LTD

■ ERV + Basics

■ Key Technology

■ Controls & Solution

■ Case Study

■ ERV Line-up

■ Duct design

SAMSUNGERV

SAMSUNGERV

ERV Plus Introduction

5

ERV +

ERV Plus introduction

ERV Plus = ERV(Ventilator) + DX Coil + Humidifier(Option)

6

ERV+ USP

High efficiency of motor

100%100%

1000 CMH

500 CMH

Company D

131%

255%

Samsung

■ Power consumption comparison by models

Capacity Samsung Company D

500 CMH 220W 560W

1000 CMH 510W 670W

7

ERV+ USP

The Slimmest Height & Light Weight

- The slim height makes installation, maintenance

and repair very easy

Div D Company M Company X Company Samsung

Product

Image

Height387mm 317mm 365mm 270mm

100% 82% 97% 71%

Weight96kg 57kg 98kg 62kg

100% 59% 102% 64%

270mm270mm

8

ERV + USP

Simple line up

- ERV PLUS = ERV (Ventilator) + Dx-Coil (Air conditioner) + Humidifier(Optional)

=> Install humidifier to ERV Plus at any time.

D Company M Company X Company Samsung

Line Up

Humidifier ModelNon-Humidifier

Model(Separated Model)

Humidifier ModelNon-Humidifier

Model(Separated Model)

Humidifier ModelNon-Humidifier

Model(Separated Model)

Non-Humidifier Model +

Optional Humidifier Kit

ERV Plus

+

Humidifier Kit

9

ERV+ USP

Composition Spec.

Filter media

Media PP + PET Spun bond

Composition PP + PET Nonwoven

Weight 120g/ ㎡ ± 10%

FrameMaterial PET

Weight 260g/ ㎡ ± 20%

Hot meltMaterial Nylon

Softening point 139 ~ 149 ℃

D companyPre-filter

SamsungHigh Efficiency Medium-filter

■ Classified as high efficiency Medium-filter, while the other is defined as pre-filter

■ Dust spot efficiency is over 70% (based on ASHRAE Std 52.1)

■ Fractional efficiency is over 60% (based on MIL,STD-282)

9

Filter high efficiency

10

ERV+ USP

Class

Standard 52.2Min. Efficiency

Reporting Value

(MERV)

Pre/Medium(EN 779)

HEPA/ULPA(EN1822)

Pre filter

1G 1

2

3G 2

4

5G 3

6

7G 4

8

MediumFilter

9F 5

10

11 F 6

12 F 7

13 F 8

14 F 9

HEPA

15 H 10

16 H 11

17 H 12

18 H 13

19 H 14

ULPA

20 U 15

U 16

U 17

D companyD company

SamsungSamsung Compact Pocket TypeCompact Pocket Type Compact ECO Pocket TypeCompact ECO Pocket Type

HEPAHEPA ULPAULPA

G 35

F 40 / F 45

Compact Pocket TypeCompact Pocket Type

F 50

MF Series

Panel TypePanel Type

MP 35

EP Series

SF Series

10

11

ERV + Basic

Structure of ERV Plus

Damper

Total heat exchanger element

Humidifier (Option)

PCB DX CoilFilter

Return Air

Supply Air

Exhaust Air

Outdoor Air

Access panel

12

ERV + Basic

Schematic diagram of ERV Plus

OA temp. sensor

Return air temp. sensor

Total heat exchanger

EEV

DX coil

Humidifier

Water feed pipe

Gas pipe

ERV Plus

Liquid pipe

Suction air temp. sensor

RHF050KHEA RHF100KHEA

EEV DPF(Q) 1.3 DPF(Q) 2.0

< DX Coil specification>

< EDM type EEV>

RHF050KHEA RHF100KHEA

DX CoilL : 340 mm

2Row x 12 stepL : 644 mm3Row x 14

step

Fin 1.5 FP, Slit

- Max. 1400 step

Eva in temp.sensor

Eva out temp.sensor

13

ERV + Basic

The specification of RHF050KHEA

Classification UnitSamsung

(RHF050KHEA)D (VKM500GAMV1)

Ventilationperformanc

e

Air flow rate

Air flow rate ( ㎥ /h) 500 500

Static pressure

(Pa) 160 180/*160

Power input (W) 220 560

Temp. exchangeefficiency

cooling (%) 70 76

heating (%) 75 76

Enthalpyexchangeefficiency

cooling (%) 60 64

heating (%) 73 67

Outdoor air processing capacity

cooling (KW)5.1

(ERV:1.5)4.71

(ERV:1.91)

heating (KW)6.5

(ERV:2.5)5.58

(ERV:2.38)

Humidifying capacity (kg/h) 2.7 2.7

Sound level extra high (dB) 38.5/* 37.5 38.5/* 37.5

Set size(kg) 61 / * 63 96 /* 102

(mm) 1553*270*1000 1764*387*1214

13

* Including humidifier

14

ERV + Basic

The specification of RHF100KHEA

Classification Unit Samsung (RHF100KHEA) D (VKM100GAMV1)

Ventilationperformance

Air flow rateAir flow rate ( ㎥ /h) 1000 950

Static pressure (Pa) 150 150 / *110

Power input (W) 510 670

Temp. exchangeefficiency

cooling (%) 70 74

heating (%) 75 74

Enthalpyexchangeefficiency

cooling (%) 62 62

heating (%) 75 65

Outdoor air processing capacitycooling (KW)

10.5(ERV:3.4)

9.12(ERV:3.52)

heating (KW)13.2

(ERV:5.2)10.69

(ERV:4.39)

Humidifying capacity (kg/h) 5.4 5.4

Sound level extra high (dB) 40.5/* 39.5 40.5/* 39.5

Set size(kg) 90 / * 93 114 / * 125

(mm) 1763*340*1135 1764*387*1214

14

* Including humidifier

15

ERV + Basic

Psychrometric chart plotting with cooling operation

Total heat exchanger

Heat recovery Cooling

DXCoil

35℃RH 40% 27℃

RH 47%

32.4℃RH 38%

29.5℃RH 50.2%

13.3℃RH 80%

< Example>

Temperature Efficiency Enthalpy Efficiency

100

)()(

)()(

RAtOAt

SAtOAt

10077.537.71

82.627.71

ERV Pluscooling

performance

-5-5 00 55 1010 1515 2020 2525 3030 3535 4040

RARA

SASA

OAOA

Dry bulb (℃)Dry bulb (℃)

2020

4040

6060

8080100100

Ab

solu

te H

um

idit

y (

kg/k

g’)

Ab

solu

te H

um

idit

y (

kg/k

g’)

Enthalpy (

kcal/k

g)

Enthalpy (

kcal/k

g) CoolingCooling

71.7 kJ/Kg

53.77 kJ/Kg

62.82 kJ/Kg

Enthalpy efficiency ratio = 49.5 %

100

)()(

)()(

RAhOAh

SAhOAh

Cooling

16

ERV + Basic

Psychrometric chart plotting with heating operation

Total heat exchanger

Heat recovery heating

DXCoil

10.6℃RH 79%

20℃RH 59%

7℃RH 87%

16.4℃RH 67%

40 ℃RH 12.2 %

< Example>

10061.2091.41

61.206.36

-5-5 00 55 1010 1515 2020 2525 3030 3535 4040

RARA

SASAOAOA

Dry bulb (℃)Dry bulb (℃)

2020

4040

6060

8080100100

Ab

solu

te H

um

idit

y (

kg/k

g’)

Ab

solu

te H

um

idit

y (

kg/k

g’)

Enth

alpy

(kca

l/kg)

Enth

alpy

(kca

l/kg)

36.6 kJ/Kg

41.91 kJ/Kg

Enthalpy efficiency

= 75 %

100)()(

)()(

OAhRAh

OAhSAh

Humidifier

2/1℃

20/15 ℃

29.5℃RH 40%

Humidifying 20.61 kJ/Kg

HeatingHeating

HumidifyingHumidifying

Operation mode

Air flow Damper

Energy recovery(Heat exchange)

By-pass

18

Operation mode

Energy recovery(Heat-Ex) and By-pass ventilation

<Energy recovery mode display> <By-pass mode display>

<Wired remote controller>

Condition

Energy recovery(Heat exchange) |OA temp. –RA temp| >= 5℃

By-pass |OA temp. –RA temp| < 5℃

19

Operation mode

Auto ventilation

-According to OA and Return air temperature, the mode is determined.- The operation mode will be operating during 30 min.

Outdoor air temp. sensor

Return air temp. sensor

20

Operation mode

Clean up operation

Living Room

Toilet

Positive pressure

Switch 17 state Supply air volume Exhaust air volume Air volume difference

On Selected fan mode Silent fan mode Max. 35 %(Turbo and high fan

mode)Off Silent fan mode Selected fan mode

-To make positive or negative pressure of room, supply and exhaust air volume can be different by Clean up operation .

-To avoid toilet odor, more air volume 10 ~ 15% have to supply to make positive pressure of living

21

Operation mode

Outing operation

Operation mode Fan

Energy recovery ventilationOn : 10 min, Off : 50 min

Low

Quite operation

-The fan mode is fixed to the quite mode.

Fan mode RHF050KHEA RHF100KHEA

Turbo 38.5 40.5

High 36 38

Low 32 35

Quite 30 33

22

Operation mode

Energy saving operation

: Energy saving operation is run when all the following conditions are met. 1) One or more ERV units must be connected to MWR-WE10 (without or with indoor unit(s) ) 2) Either the indoor unit or ERV must be ON (if the indoor unit is ON, it must not be FAN mode). 3) ERV must not be in Outing mode 4) ERV external control must not be enabled. 5) ERV must not be in “Centralized” control mode. 6) ERV must not be in “Kitchen Hood” control mode.

NOTE : The sub wired remote controller does not support energy saving mode

23

Operation mode

Set temp >= Out temp : Heat exchange ↑

Heating

22°C

Room temp >= Out temp : Heat exchange ↑

R

S

Cooling

Out temp >= Set temp : Heat exchange ↑

26°C

R

S

Out temp < Set temp : Cool air intake ↑

Default setting temperature : 26°C.User can change it

Default setting temperature : 22°C.User can change it

Out temp < Room temp : Cool air intake ↑

Set temp < Out temp : Warm air intake ↑

Room temp < Out temp : Warm air intake ↑

EnergySaving

R : Room temperature / S : Setting temperature

Out temp >= Room temp : Heat exchange ↑

Energy saving operation

24

Operation mode

Auto operation (DX coil)

Outdoor air temp. sensor

Suction air temp. sensor

Outdoor air temp. sensor

A area

Cooling operation

B area Thermo off (Ventilation operation)

C area

Heating operation

Suction air temp >= auto cooling setting temp.(*25 ℃)

Suction air temp < auto cooling setting temp – Thermo off gap temp.(*25℃ – 10℃*)

* Default value can be changed by wired remote controller (SVC mode)

Set temp. range : Auto cooling set temp. : 15℃ ~ 30℃Thermo off gap temp. : 5℃ ~ 15℃

25

Operation mode

Heating operation (DX coil)

-After working of ventilation mode, cooling and heating mode of DX coli is possible.

Thermo on Thermo off Remark

Cooling Suction air temp >= *Default set temp. Suction air temp <= *Default set temp. –

4℃

*Default cooling set temp. : 25℃

(Set temp range : 15 ~ 30℃)

Heating

Suction air temp <= *Default set temp. + **Compensation

temp. - 6

Suction air temp >= *Default set temp. + **Compensation

temp. - 2

*Default cooling set temp. 22℃

**Compensation temp. : 2, 5 ℃

26

Safety operation

Outdoor Temp Operation Type Intake Discharge Remarks

Above 0℃ Normal Operation On On

0 ℃ > TOA >-5 ℃“A” Type Cyclic Operation Refer to below operation

pattern

Repeated on a regular time basis-5 ℃ > TOA >-10 ℃

“B” Type Cyclic Operation

-10 ℃ > TOA >-15 ℃ Off On

Below -15 ℃ Off Off

‘A’ Type 80min 10min

Both Intake and Discharge On Only Discharge On

80min

Both Intake and Discharge On

10min

Only Discharge On

‘B’ Type 50min 10min

Both Intake and Discharge On Only Discharge On

50min

Both Intake and Discharge On

10min

Only Discharge On

System is capable of self adjustment depending on outdoor temperature to prevent it from condensate on element

Prevention of condensate

27

Fan operation with CO2 sensor

☞ ERV is automatically operated to give fresh air into room by sensing CO2 Level

CO2

Fresh AirCO2

CO2

Fan Speed depending on Co2

density

□ CO2 1200ppm ↑ : Turbo RPM

□ CO2 Density 800ppm ↑ : High

RPM

□ CO2 Density 800ppm ↓ : Low

RPM

Note1. K9 dip switch should be off

position2. In general, above 1000ppm is

regarded as pollution

Refresh system - CO2 Sensor( option)

Humidification

29

Humidification

Comparison of Humidifier kit

D Company Samsung

Image

MethodVaporizing(Evaporating)(Indirect water supply)

Vaporizing(Evaporating)(Direct water supply)

MaterialPET

(Poly Ethylene Terephthalate)Ceramic

Cleanliness

Need to cleanIt is possible that dust can stick the

material during airflow and bacteria can breed in drain pan

Don’t need to clean

because Self-Cleaning

Life

Relatively ShortPossibility of corrosion and contamination

is higher than Inorganic materialas compared with mineral material

Relatively LongBecause ceramic itself is inorganic

material, possibility of corrosionand contamination is relatively low

30

Humidification

Components of Humidifier kit (Option )

Humidifier kit RHF050KHEA RHF100KHEA

Model MVO-VA050100 MVO-VA100100

Connecting hose

Humidifier element

Water feed pipe

Solenoid valvePressure regulation valve

Strainer (1/2 Inch)

Bracket

Connecting hoseRHF050KHEA RHF100KHEA

Regular flow rate

0.2 L/min 0.4 L/min

31

Humidification

Humidifier kit assembling

K4 switch in PCB : Off position

<Floating switch installation>

Water spray hose

<Connection of hose> <Installation of water feed pipe>

<Connection wiring of float switch and solenoid valve> <Insulation>

32

Humidification

Maintenance of humidifier kit

Intake air temperature : 0 ~ 40 ℃

Supply water temperature : 2 ~ 40 ℃

Supply water pressure : 0.08 ~ 0.7 Mpa

Use soft water

Use neutral detergent for cleaning

PCB

34

ERV Plus

• PCB

Main power input

External damper(250VAC, 0.5A)

Main address RMC address

Option switch

Internal damper Humidity controlHood contactComm. with outdoor unit (F1-F2)External controlPower supply to wired R/C (V1-V2)

EA motor

SA motor

Humidifier

Comm. with wired R/C (F3-F4)

Software upgrade

SW debugging

Damper feedback

MPI

Float switch

CO2 sensor

Room temp.EVA in/out temp.

EA temp.OA temp.

EEV

Operation/Erroroutput

IR sensor

Test run button

Inductor

35

ERV Plus

• Power/Communication wiring

L

N

F1

F2

ERV

ERV

ERV

Plus

ERV

Plus

ERV ERV

EHP ERV Plus

L

N

F1

F2

Wro

ng w

iring

Wro

ng w

iring

36

ERV Plus

• Push button

PUSH

Operation

Power LEDWhen humidifier is used(K4=ON)

When humidifier is not used(K4=OFF)

1st No operation 230VAC output to open the humidifier valve.

The LED lamp blinks one time

2ndDamper operation * Opens and closes one time

Damper operation * Opens and closes one time. * Keep the humidifier valve opened

The LED lamp blinks two times.

3rd Supply / Exhaust FAN operation * Turbo breeze is generated

Supply / Exhaust Fan operation * Turbo breeze is generated * Keep the humidifier valve opened

The LED lamp blinks three times.

4th Exit test runCancel the trial operation No 230VAC output to closethe humidifier valve.

Return to the normal state.

37

ERV Plus

• Option switch

SW No. Function ON OFF

K1 Remote sensor No use Use

K2 Central control No use Use

K3 - - -

K4 Humidifier No use Use

K5 Heating temperature compensation 2 ℃ 5 ℃

K6 Filter time 1000 hours 2000 hours

K7, K8 - - -

K9 EEV stop step in heating 160 35/160

K10 Priority of display on wired R/C Low High

K11 External control No use Use

K12 State output Output during operation Output during thermo-on

K13, K14 - - -

K15 External damper No use Use

K16 MPI No use Use

K17 CO2 sensor No use Use

K18 Special EEV control skip in heating No use Use

K19 Clean-up Exhaustion air RPM fixed to RPM in Quiet mode

Supply air RPM fixed to RPM in Quiet mode

K20 - - -

38

ERV Plus

Error code Detail

E101 No communication between indoor unit and outdoor unit(The indoor unit itself does not receive any communication signal from the outdoor unit)

E102 Communication error(s) occurred in other indoor unit(s).(The indoor unit itself succeeded communicating with the outdoor unit)

E122 EVA-IN sensor error (open/short)

E123 EVA-OUT sensor error (open/short)

E128 EVA-IN sensor separated from the pipe

E129 EVA-OUT sensor separated from the pipe

E151 EEV opened

E152 EEV closed

E161 Mixed mode operation

E174 Heat exchanger suction air sensor(open/short)

E201 Communication error between outdoor unit and indoor unit(s) due to the mismatching of the set number and installed number during tracking

E121 Indoor temperature sensor error (open/short)

E221 Outdoor temperature sensor error (open/short)

• Error code

39

ERV Plus

Error code Detail

E139 CO2 sensor error (detached or no feedback)

E162 EEPROM error (read/write failure)

E163 EEPROM option setting error (wrong option code setting)

E186 MPI Error (detached or no feedback)

E561 Supply Air fan motor error (RPM less than 120 for 40 seconds)

E562 Exhaust Air fan motor error

E654 Damper error (When there is no feedback for 100 seconds after damper drive output)

E490 No operation due to low outdoor temperature (Outdoor temp. < 0 ℃ and heat-EX suction air temp. < 0 ℃)

• Error code

• Connection with wired remote controller

F4 F3 V2 V1

F4

F3

V2

V1 F4 F3 V2 V1

MWTR-WE10

Wire specifications : 4-wire 0.75 ~ 1.5mm2 VCTF or equivalentWiring length : max. 100m

40

ERV Plus

41

ERV Plus

• Energy saving operation – EHP-ERV combined

EHP ERV Plus When the E.Saver button is pressed

ON(no Fan mode)

ON

- ERV : current operation mode Energy saving operation- EHP : No change in operation- ERV controlled by room temperature (sensed by EHP or wired R/C), set temperature and indoor temperature (sensed by ERV)

ON(no Fan mode)

OFF

- ERV : OFF energy saving operation- EHP : No change in operation- ERV controlled by room temperature (sensed by EHP or wired R/C), set temperature and indoor temperature (sensed by ERV)

OFF ON - ERV : current operation mode Energy saving operation- EHP : No change in operation

OFF OFF - No energy saving operation

: The operation of an ERV-combined indoor unit is not interfered by energy saving operation, but performs temperature control as it usually does.

F3-F4

EHP

ERV Plus MWR-WE10

Heat ExchangeLOW fan speed

42

ERV Plus

• Energy saving operation – ERV only

ERV Plus When the E.Saver button is pressed

ON - Operated in Heat Exchange, LOW fan speed with repeating sequence of 30-minute operation and 30-minute stop

OFF - No Energy Saving operation- “Restricted” displayed on wired R/C

ERV Plus MWR-WE10

F3-F4

Usercommand

Energy Saving modeBy-Pass mode by MWR-WE10 HIGH fan speed

Heat ExchangeLOW fan speed

By-PassHIGH fan speed

ERVoperation

Energy saving mode By-Pass mode

30 minutes 30 minutes

OFF

LOW

MEDIUM

HIGH

TURBO

4343

ERV Plus

- Operation/Error state output: ERV operation/error state output enabled by option setting (K12=OFF)

ERV Plus error12VDC, 500mA

Comp. operation12VDC, 500mA

ERV Plus error voltage-free contact openRating : 250ADC, 3A

ERV Plus ON voltage-free contact closedRating : 250VAC, 3A

MIM-B14 환기 ON or DX-coil ON ???

4-wire cable of MIM-B14

4444

ERV Plus

- External control

Type : Voltage-free switchTating : 5VDC, 5mA

Switch state = ON Switch state = OFF

ON/OFFcontrol

ERV operation ON OFF

Wired R/C Able to use Able to use

OFF-onlycontrol

ERV operation Unchanged OFF

Wired R/C Able to use Unable to use

- ERV ON/OFF control by external contact switch (enabled by option setting K11=OFF)

- Add the 6th digit of the option code by 8 to switch to OFF-only control mode

External control system

Cable : Unshielded TP 2-wire of 0.75mm2 or greater, VCTF or equivalentLength : Max. 100 meters

Option code

Model ON/OFF control OFF-only control

RHF050KHEA 015617-152380-200000-300000 01561F-152380-200000-300000

RHF100KHEA 015617-1C2373-200000-300000 01561F-1C2373-200000-300000Externalcontrol

Externalcontrol

Kitchen hoodcontrol

Kitchen hoodcontrol

Humidifiercontrol

Humidifiercontrol

4545

ERV Plus

- Kitchen hood control

Type : Voltage-free switchRating : 5VDC, 5mA

Cable : Unshielded TP 2-wire, 0.75mm2 or greater, VCTF or equivalentLength : Max. 100 meters

Externalcontrol

Externalcontrol

Kitchen hoodcontrol

Kitchen hoodcontrol

Humidifiercontrol

Humidifiercontrol

Kitchen hoodKitchen hood

- Kitchen hood mode - SA RPM : Turbo, EA RPM : Mid

Kitchen hood switch ERV operation Wired R/C

ON (closed)Normal Kitchen hood mode “Hood” displayed in normal display

OFF Kitchen hood mode “Hood” displayed in OFF

OFF (open)Kitchen hood mode Normal “Hood” disappeared

Kitchen hood mode OFF “Hood” disappeared

NOTE : The fan speed can be changed by the wired remote controller in kitchen hood mode.

: No need to set the option switch to enable kitchen hood control

4646

ERV Plus

- Humidify control

Externalcontrol

Externalcontrol

Kitchen hoodcontrol

Kitchen hoodcontrol

Humidifiercontrol

Humidifiercontrol

SamsungHumidifier

Humidity sensor(locally locally purchasedpurchased)

1. Basic operation

a. Humidity control enabled by option setting b. Humidity control input closed : Humidifier stop c. Humidity control input open : No change2. Humidity sensor switch specifications

a. Type : Voltage-free switch b. Rating : 5VDC, 5mA3. Operation sequence

a. Humidifier operation by wired remote controller b. Humidity level increase c. Humidity sensor switch closed at the set level d. Humidifier stop

Cable : Unshielded TP 2-wire, 0.75mm2 or greater, VCTF or equivalentLength : Max. 100 meters

: Humidity control by humidifier and locally purchased humidity sensor enabled by option setting (K4=OFF)

474747

ERV Plus

- External damper control: External damper control or interlocking signal enabled by option setting (K13=OFF)

ERV operation DAMPER output

ON 230VAC (max. 0.5A)

OFF No voltage

Direct connection to external load(load current : below 0.5A)

Connection to external load via relay/magnet(load current : over 0.5A)

Relay/Magnetswitch

484848

ERV Plus

- Internal damper control: The internal damper is controller by pulse detection sensed by the micro switch and interval between pulses.

Four pulses one rotation1

2

3

3 2 1 3

T1 T2 T3T1, T2 : short interval, T3 : Long interval

By-Pass mode Heat Exchange mode1. Internal damper operation start2. Pulse from switch detected by controller.3. Damper stop in detection of two short interval pulses

1. Internal damper operation start2. Pulse from switch detected by controller.3. Damper stop in detection of one long interval pulse

• Damper error - After the damper starts operating, E654 is displayed when the pulse from the switch is not detected for 100 seconds.

49

ERV Plus

• CO2 sensor (MOS-C1)

- Two minutes after power-on, the CO2 sensor is maintained at 500RPM as preheating standby- An error is detected when the pulse from the CO2 sensor is not generated for 2 minutes.

HL

HL

HL

OK

NG

NGCO2

sensor

- Pulse width variation depending on CO2 level (pulse period = 1004ms)

Pulsewidth

ppm

10022

2000

0ppm

2ms

4ms

4ppm

2000ppm

1002ms2ms