Mark ERV Series Technical Manual

Technical Manual

Technisches Handbuch

Livret technique

Technisch boek

Manual tehnic

EN

ERV HEAT RECOVERY UNIT

0661030_R11

DE

FR

NL

RO

2

3

EN

SAFETY CONSIDERATIONS

Please read the following safety instructions before installation. And ensure that the unit is installed

correctly. Please observe all instruction in order to avoid any injury or damage to equipment or property.

The information in this document is subject to change without notice. The most recent version of this ma-

nual is always available at www.markclimate.com/downloads.

Safety attentions

The following symbols indicate potential levels of caution.

The following symbols indicate compliance which must be observed

Warning

Attention

Installation to be carried out by qualied

person, End Users must not install, move or

re-install this equipment by themselves.

Power cable and wires must be installed

by a qualied electrical engineer. Improper

connection can cause over heating. Fire and

loss of efciency.

Insulation between the metal ducting and

wall penetration must be installed if the

ducting penetrates metal wall cladding,

to avoid risk of electric shock or current

leakage.

Use only approved installation hardware

and accessories. Failure to observe can

result in re risk, electric shock and equip-

ment failure.

The outdoor ducts must be installed facing

downwards to avoid rain water entering.

Improper installation can cause water

leakage.

Where the unit is positioned, at high level in

a hot humid situation. Please ensure sufcient

ventilation is available.

Correctly sized MCB must be tted to the

unit suitable earth leakage protection should

also be installed to avoid risk of electric shock

or re.

The cover of wiring box must be pressed

down and closed to avoid dust and dirt ente-

ring. Excess dust and dirt can cause over-hea-

ting of terminals and result in re or electric

shock.

Installation engineers must follow this man-

ual strictly. Improper action can create a

health hazard and reduce efciency of the

unit.

Unit must be installed strictly following this

manual and mounted to a weight bearing

surface for the weight of the unit.

During maintenance or repair, the unit

and circuit breaker must be switched off.

Other-wise electric shock could occur.

An anti-bird net or similar device should be

installed to outside vents. Ensure there are

no obstructions to or in the ducts.

To avoid condensation, insulation should be

tted to fresh air ducts. Other ducting may

also require insulation depending on dew

point conditions.

Fresh air vent must be far enough away

from any ue gas discharge or areas where

hazardous vapors are present.

Electric engineering must follow national

regulations and the manual, use special cables.

Less capacity cables and improper enginee-

ring can cause electric shock or re.

Ground wire cannot be connected to gas

pipe, water pipe, lighting rod or telephone

line etc. Incorrect grounding can cause

electric shock.

Not allowed or

Stop

Must follow or obliged

Situations with a risk

of injury or equipment/

property damage.

Situations with a risk or

death or serious injure.

4

Attention

Do not install the unit in an extremely hu-

mid conditions, as it may result in electric

shock and pose a re risk.

Do not install the unit in areas there any

poisonous or caustic gases are present.

Acidic or alkali environments can cause

poisoning or a re.

Do not use the units as the primary kit-

chen extract grease and fatty deposits can

block the heat exchanger, lter and pose a

re risk.

Do not install the unit near open ame as

it may result in over heating and pose a re

risk.

Rated supply voltage must be maintained,

otherwise this may cause re.

SAFETY CONSIDERATIONS

5

EN

SPECIFICATIONS

Model ERV500 ERV1000 ERV2000

Performance

Airow(m3/h) 500 1000 2000

External pressure 50 120 120

Airow (l/s) 143 286 571

heating 67-75 71-78 71-78

cooling 62-74 65-74 65-74

Temp. Eff (%) 75-86 75-85 75-85

Noise (1m) Db(A)* 39 43 51.5

Power Supply 220-240V/1Ph/50Hz

Input Power (W) 88 243 486

Power Cable 2x1.5mm

2

Control Cable 2x0.5mm

2

(Shielded data cable, max. 10 meter)

Standard Yes (7-Day Time-clock)

(BMS) Modbus

Yes Optional

Fan Type DC Fan Motors

Fan Speeds (Supply) 10 Speed Fan Control

Fan Speeds (Exhaust) 10 Speed Fan Control

Summer Bypass Yes (Automatic with adjustable range)

Defrost Yes (Automatic with adjustable range)

CO

2

Control Optional controller available (On / Off control with adjustable range)

Humidity Control Optional controller available (On / Off control with adjustable range)

Fan Boost Contacts Yes (3x available connection to Contact: Closed = Boost to High Speed)

Fire Shutdown Yes (1x available connection to Contact: Closed = Shutdown)

Weight (Kg) 43 83 189

Size (WxHxD) 904x270x962 1134x388x1322 1134x785x1322

Duct Size 200 250 300

* Sound level dB(A):

Type 63Hz 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz Overall

dB(A)

ERV500 34 40 35 35 36 28 22 17 39

ERV1000 38 44 39 41 40 31 31 19 43

ERV2000 45 52 46 48 48 48 37 23 51

Enth.

Eff (%)

Control

6

DIMENSIONED DRAWINGS

ERV1000 MODEL

ERV500 MODEL

7

EN

ERV2000 MODEL

Model Dia. (mm)

ERV500 ø 200

ERV1000 ø 250

ERV2000 280*650

DIAGRAM MEASUREMENTS

The table below shows suitable duct measurements for each unit. The table below shows the dimensions of

the image above and the two images previously, the letter in the table represents the letter on the diagram .

Model L L1 W W1 W2 H H1 C G N

ERV500 962 890 904 960 500 270 111 107 19

ø 194

ERV1000 1322 1250 1134 1190 678 388 170 85 19

ø 242

ERV2000 1322 1250 1134 1190 678 785 170 150 19 280*650

8

INSTALLATION CONSIDERATIONS

Installation Considerations

Protect the unit to avoid dust or other obstructions entering the unit and accessories during installation, or

whilst in storage on site. Service ports should be installed to allow access for lter maintenance.

1. Be sure the ceiling height is no less than the Figures in above table B column.

2. Unit must not be installed close to boiler ues.

3. Following phenomenon should be avoided in the ducting installation.

Dimensions Celling Height

Model A B

ERV500 904 320

ERV1000 1134 440

ERV2000 1134 835

Serve bends Multiple direction changes

Multiple reducers/

crimped duct

ERV500 MODEL ERV1000 and ERV2000 MODEL

9

EN

INSTALLATION CONSIDERATIONS

4. Excessive use of ex-duct and long ex-duct runs should be avoided.

5. Fire dampers must be tted as per national and local re regulations.

6. Unit must not be exposed to ambient temperature above 40°C and should not face an open re.

7. Take action to avoid dew and frost. As shown by drawing below, unit will produce dew or frost when

saturation curve is formed from A to C. Use pre-heater to ensure conditions are kept to right of the

curve (B to B’,to move C to C) to prevent condensation or frost formation.

8. To avoid the outdoor exhaust air cycling back to indoor, the distance between the two vents installed on

the outside wall should be over 1000mm.

9. If heater is equipped to the unit, operation of heater should be synchronous with the unit, so that the

heater starts to work only when unit starts.

10. Duct mufer may be considered if user wants indoor noise to be minimized.

10

INSTALLATION CONSIDERATIONS

Physical Installation

1. Installer to prepare suitable threaded hangers with adjustable nuts and gaskets.

2. Install as shown by the image above. Installation must be level and securely fastened.

3. Failure to observe proper xing could result in injury, equipment damage and excessive vibration.

Uneven installation will also effect damper operation.

Notes for reverse installation of the unit

4. Reverse labeling shows the unit is upside down.

Ducting

1. Connection of unit vents and ducts should be taped or sealed to prevent air leakage, and should com-

ply to relevant guidelines and regulations.

2. The two outdoor vents should face downward toward the outside to prevent any rain water ingress.

(angle 1/100 1/50).

3. Insulation must be with the two ducts outside to prevent condensation.

Material: glass cotton, Thickness: 25mm

NUT

WASHER

BRACKET

WASHER

NUT

ERV500 / ERV1000 MODEL ERV2000 MODEL

11

EN

ELECTRICAL INSTALLATION

Warning

Power must be isolated during installation and before maintenance to avoid injury by electric shock. The

specications of cables must strictly match the requirements, otherwise it may cause performance failure

and danger of electric shock or re.

Power supply is AC220V/50HZ/1 Phase. Open the cover of electrical box, connect the 2 wires (L/N/) to the

terminals and connect the cable of the control panel to the board according to the wiring diagram, and join

the control panel to the cable.

We do not accept any liability for any problems caused by the user’s self and non-authorized re-engineering

to the electrical and control systems.

Model Spec. of power supply cable Spec. of normal controller cable

ERV500

2 x 1.5 mm² 2 x 0.5 mm² (Shielded data cable, max.

10 meter)

ERV1000

ERV2000

12

WIRING DIAGRAMS

ERV500 AND ERV1000 MODEL

13

EN

ERV2000 MODEL

14

COMMISSIONING

Check that all cable sizes, circuit breakers and wire connections are correct before following below com-

missioning steps:

1. Press button to turn on/off the ventilator.

2. Match the correct speed to ERV. Press for 6 seconds to enter parameters setting and at this time the

parameter number is shown in the middle of the screen, press button to switch to parameter No. 21

(refer to parameters list in comming page) then press shortly to enter the parameter setting, default

value “0” esh at the top right corner, press UP and DWON buttons to change the value according to

below table (ERV code Vs Models) then press button again to conrm setting. With the same way to

change parameters number 23 to be value 2 (10 speeds DC fan control).

Code Models

3 ERV500

2 ERV1000

2 ERV2000

3. Then check the mode and fan speed switch. Press button shortly to switch to OA, RA, SA or EA

mode*, check whether the temperature of the corresponding mode is correct. Under SA or RA mode,

Press to switch the fan speed, check if the airow is adjusted corresponding to H speed ,

M speed and L speed .

4. Check the operation of bypass. The default opening temperature of bypass is 19-21C (adjustable),

press button to check the temperature of OA. If the present OA temperature is among 19-21C,

then bypass will open automatically. If the OA temperature is not within 19-21C, say 18C, then press

button more than 6 seconds to enter the parameter setting. Press button to switch to parameter

number 02, default value 19 ashes shown at the top right corner. Then press button shortly to

enter setting, by pressing buttons and set the value to be “X”. Then press to conrm.

To test that the bypass opens, the temperature OA must be greater than or equal to value "X" of para-

meter 02 and less than value "X + Y" of parameters 2 and 3 together. X = OA < (X + Y)

Note: the opening / closing of the bypass will be delayed for about 1 minute.

Note: reset the values after this test!

Parameter 2: X = 19

Parameter 3: Y = 3

*OA = Outdoor air

RA = Extract air

SA = Supply air

EA = Exhaust air

15

EN

Loose or incorrect wiring connection can

cause explosion or re when the unit starts

to work. Use only rated power voltage.

Don’t site intake supply vent in hot and

humid conditions , as it may cause failure,

current leakage or re.

Don’t install, move or re-install the unit by

yourself. Improper action may cause unit

instability, electric shock or re.

Isolate power during extended off periods

Isolate power and take care when cleaning

unit. (Risk of electric shock)

Running the unit continuously in an abnor-

mal status may cause failure, electric shock

or re.

Clean the lter regularly. A blocked lter

may result in poor indoor air quality.

Don’t put ngers or objects into vents of

fresh air or exhaust air supply. Injury may be

caused by the rotation of the impeller.

Don’t put any burner directly facing the

fresh air discharge, otherwise it may cause

an insufcient burning.

Don’t change, disassemble or repair the

unit by yourself. Improper action may

cause electric shock or re.

Observe guidelines and regulations rela-

ting to incomplete combustion when use

is asso-ciated with fuel burning appliances.

Switch off the power and breaker when you

clean the exchanger.

Warning

Attention

16

TOUCH SCREEN INTELLIGENT CONTROLLER

Control Panel

The intelligent controller is surface mounted and comes with a touch screen LCD display screen. The stan-

dard connection cable is 5 meters, but if necessary you can extend this with another 5 meter shielded data

cable (= max. 10 meter total).

Display screen and Buttons

17

EN

TOUCH SCREEN CONTROLLER INSTRUCTIONS

Operation Instructions

1. ON/OFF: press ON/OFF button once for starting; twice for closing. In ON status, backlit LCD display

lights up, in OFF status, backlit LCD display off, without operation for 6 seconds, backlit LCD display off too.

By pressing ON/OFF button for around 6 seconds can lock and unlock the controller.

2. Mode switch: press MODE button to choose display the RA-OA-FR(EA)- SA Setting-CO2 status or

Humidity control status.

18

TOUCH SCREEN CONTROLLER INSTRUCTIONS

Remark:

1) Under SA setting mode, after connecting the electrical heater according to the electrical diagram and

change parameter 01 to value 1, users can set the supply air temperature by pressing up and down button.

The setting temperature range is 10-25°C.

A) 0°C setting temperature minus SA temperature <5°C 1st stage heater on, 2nd stage heater off

B) Setting temperature minus SA temperature >5°C1st and 2nd stage heater on

2) The CO2 symbol appears when the CO2 sensor is connected. ERV runs at boost speed when CO2 con-

centration higher than setting value.

3) The humidity symbol appears when the “temperature and humidity sensor” is connected. ERV runs at

boost speed when humidity higher than setting value.

Under “humidity control” mode, users can set the setting humidity by pressing up and down button. The

setting range is 45% ~ 90%. And the Dial switch SW4-3 on the PCB should be switched ON to switch from

CO2 control function to humidity control function.

3. Air volume setting: Under SA or RA temperature interface. Users can set the return air volume in “RA”

status, and set the supply air volume in “SA” status by pressing up and down button. Totally 10 speeds con-

trol.

19

EN

TOUCH SCREEN CONTROLLER INSTRUCTIONS

4. Error code checking: under the main interface, press the SET button for short, user can check the error

code of ventilator, refer to below table.

5. Bypass setting: when bypass is on, the triangle bypass symbol appears, when bypass is off, the sym-bol

disappears.

6. Filter alarm: When running time of ventilator is over the setting lter alarm time, the lter alarm symbol

ashes to remind user clean/replace the air lters. After lters being cleaned/replaced, please sweep the

lter alarm by setting parameter Number 24, value 1.

Code Error

E1 Fresh air temperature sensor error

E2 EEPROM error

E3 Return air temperature sensor error

E4 Exhaust air temperature sensor error

E5 Communication error

E6 Supply air temperature sensor error

E7 Exhausted fan error

E8 Supply fan error

20

TOUCH SCREEN CONTROLLER INSTRUCTIONS

7. Parameters setting: Keep pressing the MODE button for 6 seconds, after buzzing to enter the parameter

setting interface.

After entering the parameter setting interface, press SET button shortly to change the parameter number,

every pressing will make parameter value +1 (until number 24 then repeat again). After choosing the cor-

rect parameter number, press Mode button for short, parameter value ashes at the top right corner, at this

time to change the value by UP and DOWN buttons. After parameters setting then press SET button to

save.

Attention:

1) After parameters setting, system need around 15 seconds to record, during this period power should not

be off.

2) Please refer to below valid parameters table to set the suitable parameters according to different

requests.

No. Contents Range Default Unit Record Position

00 Power to auto restart 0-1 1 Main control

01 Electrical heater available 0-1 0 Main control

02 Bypass opening

temperature X

5-30 19 °C Main control

03 Bypass opening

temperature range Y

2-15 3 °C Main control

04 Defrosting interval 15-99 30 Minute Main control

05 Defrosting entering temperature -9-5 -1 °C Main control

06 Defrosting duration time 2-20 10 Minute Main control

07 CO2 sensor function value

0 = No CO2 sensor

80 = 800 ppm, 250 = 2500 ppm

Advised setting = 1000 ppm

0 / 80-250 0 PPM Main control

08 ModBus address 1-16 1 Main control

21 ERV models match/

selection

0-7 Main control

23 Fan speed control 0: 2 speeds

1: 3 speeds

2: 10 speeds (DC)

2

24 Multifunction setting 0: Reserved

1: Sweep lter alarm

2: sweep weekly timer

0

25 Filter alarm setting 0: 45 days

1: 60 days

2: 90 days

3: 180 days

0

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