ESP ECOCENT AIR MVHR-300V, ECOCENT AIR MVHR-400V Technical Manual

Safety Considerations--------------------------------------------------------------3

Unit Specifications----------------------------------------------------------------- 4

Dimensioned Drawings------------------------------------------------------------4

Wiring Diagrams--------------------------------------------------------------------5

Installation Considerations----------------------------------------------------6 to 8

Controller Introduction ------------------------------------------------------9 to 13

Contents

Safety Considerations

1.Safety marks contained in these instructions

1. If the safety precautions marked by this symbol are not complied with, injuries to persons may
be caused.

2. If the safety precautions marked by this symbol are not complied with, damage to the machine
or to its functions may be caused.

2.Please read the label on the machine carefully

When abnormal conditions happen, like abnormal noise, smell, smoke, temperature rise, leakage or fire,
please cut off power immediately. And contact our customer service department or distributor. Don’t repair
it by yourself. Please contact fire and rescue department if necessary.

3.For your safety, please read carefully the cautions before installation or use

• Strictly follow the instructions and safety attentions before installation and usage.

• All the electric works and piping should be done by qualified professionals.

• Keep the electrical parts away from water to maintain good electric insulation.

• Complete the grounding engineering according to the Electrical Safety Regulations to avoid leakage.

• The machine needs to be used with special power supply. Don’t share the circuit with other equipment.

• The machine should be fastened at the place of flatness and good ventilation and keep proper distance

with surrounding.

• Keep the machine away from fire and pollutant.

• It is not recommended to place the machine under the sun and rain.

• Keep the children away from the machine.

• Random change of specification by user is not allowed.

• It is prohibited to us e the volat ile s ol vent , volat ile oi l, tolu ene an d ot her c hemic als be sid es or ab ove the

machine.

• Make sure the machine doesn’t put on the cable, and the cable is comp lete ly f ine , in case of a ny d ang er

of leakage and fire.

• Don’t operate or repair the machine with wet hands.

• Under no conditions should users repair the machine by themselves. Only the professionals are au-

thorized to repair the machine, it may result in personal injury or more serious problem to the equip­ment.

• Don’t wash the machine directly with water or cleanser. Need to scrub by cloth with water or mild de-

tergent.

• For avoiding machine breakdown or any danger, it is prohibited to insert objects into the air outlet.

• Users could not modify or repair the power wire.

• It is prohibited to p ut anything on th e machine, in case it fa lls down du ring the op eration of t he machine

and cause danger.

3

Specifications and Dimension

HPERV-300/V2, HPERV-400/V2 Fresh Air Heat Pump (Air conditioner)

RA
filter

Con­troller
box

OA
filter

Specifications Unit HPERV-300/V2 HPERV-400/V2

Rated cooling capacity W 2000 2300

Rated heating capacity W 2500 2800

Rated cooling power W 550 630

Rated cooling current A 2.6 3.0

Rated heating power W 610 685

Rated heating current A 2.9 3.3

Maximum operating power W 750 800

Maximum operating current A 3.6 3.8

Power type

/

220V~50Hz 220V~50Hz

Fresh air/Exhaust air capacity m3/h 300/220/150 400/320/240

External static pressure Pa 80 80

Noise dB(A) 35 37

Outlet dimension mm 184 184

Condensation drainage dimension inch (BSP) 1/2" 1/2"

Machine overall dimension (length/

with/height)

Packing dimension (length/width/

height)

mm 810*600*870 810*600*870

mm 866*662*986 866*662*986

Net/Gross weight Kg 92/110 92/110

Refrigerant

/

R410A R410A

Test conditions:
Heating conditions: Ambient dry bulb / wet bulb temperature7℃/6℃
Room dry bulb / wet bulb temperature20℃/15℃
Cooling conditions: Ambient dry bulb / wet bulb temperature35℃/24℃
Room dry bulb / wet bulb temperature27℃/19℃
Fresh Air Heat Pump only handles fresh air.

4

SA temp

compressor discharge temp

OA temp

compressor suction temp

SA sid e D X co ils in -tub e tem p

EA side DX coils in-tube temp

SA side DX coils inlet air temp

SA side DX coils outlet air temp

EA side DX coils inlet air temp

Fire alarm

HP

LP

Control System Wiring Diagram

44

FG

10V

SPD

J5

GND

J4

5V

CT2

RT1

RT2

RT7RT6RT5RT4RT3

RT8

X1

X2

X4X3

X5

X6

CN22

CN21

CN17

CN20

CN19

CN18

CN16

CN28

CN1

CN2

CN3

CN5

CN6

CN7

J1

TX RX GND5V

CT1

EA side DX coils

outlet air temp.

SWCLK
SWDAT

GND

EXV2EXV1

GND
RST

5V

FG

SPD

SPD

GND

10V

10V

12V GND

J2

J2

EC2

EC2

D1

CN11

CN14

expansion

valvetemp

DC IN

J6

EC1

EA

FAN

Y7Y8Y9

P17P18

P16 P12P13P14P15 P10 P9 P4P11 P8 P5P6P7P19

NNNNNNN

FAN

SA

Y6

Y5

onoff

electronic

170623 V2.0

E4A60000FF

Y4

Y3

Bypass

Valve

Four-way

valveK

Y2

Y1

L

AC OUT

N

CN4

RS485

L

CN23

P+

N-

B1

B2

N

P1

P2

CN15

PE

P3

N

K1

Compressor

power supply

switching

M1

Touch screen con troller

HG1

HG2

RY2

CN6

O2 IN2 O1 IN1

484B2

485A2

RY1

RY3

2014-11-06

CN7

GND

485B1

485A1

Monitor board

12V

0V

GND

CN1

V4
GND
V3
VCC

VCC
GND
V2

VCC
V1
GND

CN3

CN8 CN9

220V/50HZ

Power supply

1) Wiring should be done by professional people. Power supply 1-1.5mm²，other wires 0.5-0.75mm²

2) Wires of the controller and monitor board should be shielded twisted pair wires

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