Haier hp250m1, HP200M1 Installation And Service Manual

Heat Pump Water Heater

Installation and Service Manual

Model

HP200M1
HP250M1

Please read this manual carefully prior to your use of this water heater.
The appearance of the water heater given in this manual is for reference only.

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2

Contents

1. Product safety statement.......................................................................................................... 3

2. Functionings & principles .................................................................................................... 4

3. Technical parameters ............................................................................................................ 5

4. Description of parts and components ................................................................................. 6

5. Installation introduction ........................................................................................................11

6. Operating and settings.............................................................................................................. 13

7. Faults and protection .................................................. ................................................ ............. 26

8. Faults and protection .................................................. ................................................ ...............17

9. The method of dismantling products ........................................................................................24

10. Repairs common tools ............................................................................................................29

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3

1. Product safety statement

1. This appliance can be used by children aged from 8 years and above and persons with reduced
physical, sensory or mental capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the appliance in a safe way and understand the
hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall
not be made by children without supervision.

2. Children shall be closely supervised to make sure they stay away from this product.

3. The water may drip from the discharge pipe of the pressure relief device and this pipe must be
left open to the atmosphere.

Safety instructions (to be followed at any time)

Refrigerant: R134a; When handling product, you should

- No smoking

- Prevent the accumulation of electrostatic charges

- Work in a well ventilated place.

- Avoid contact with the skin and eyes

- Do not inhale the vapours

- Evacuate the hazardous area

- Stop the leakage

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4

2. Functionings & principles

A low-pressure liquid refrigerant is vaporized in the heat pump's evaporator and passed into the
compressor. As the pressure of the refrigerant increases, so does its temperature. The heated
refrigerant runs through a condenser coil within the storage tank, transferring heat to the water
stored there. As the refrigerant delivers its heat to the water, it cools and condenses, and then
passes through an expansion valve where the pressure is reduced and the cycle starts over.

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5

3. Technical parameters

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4. Description of parts and components

Heat pump structure

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7

Exploded view

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He

a

1. C
The
and
to t

h

2. E

v

Eva

p

3. C
A c

o

con

d

t pump s

y

ompressor

compresso

r

compressed

i

e condenser

v

aporator
orator effec

t

ondenser

ndenser: hi

g

ensation, th

e

stem co

m

is to effect

a

nto high te

m

heat exchan

g

s: it makes t

h

h-temperat

u

refrigerant

v

Wiring box

ponents

low-tempe

r

perature an

d

er.

e liquid refr

i

re high-pres

s

apor discha

r

8

ature low-pr

e

pressure of

gerant abso

r

ure refriger

a

ge heat, the

h

ssure evap

o

the superhea

t

bs heat and i

s

nt vapor is
eat is absor

b

rator refrige

r

ed vapor, a

n

evaporated

condensed i

n

ed by the he

a

Inspirato

r

Exhaust p

i

ant vapor s

u

d then disch

a

into steam.

to liquid, d

u

ting mediu

m

r

y pipe

pe

cked

rged

ring

.



4. T

h

The
pres
the

t

5. F

i

It’s

i

can

6.

H

Hig

h

syst

e

7. S

e

Ser

v

nee

d

ermal expa

n

refrigerant

p

sure is redu

c

hrottling pro

lter
nterior has a

filter out im

p

igh Voltage

S

-voltage sw

i

m compone

n

rvice valve

ice valve is

le, sales sta

ff

sion valve:

asses throu

g

ed to the ev

a

cess.

filter and de

urities in the

witchgear

tch is to pr

e

ts, high-pre

s

mainly use

d

can vacuu

m

h the ther

m

poration pr

e

siccant, the

d

refrigerant.

vent excessi

v

sure of the

h

for filling

r

infusion re

fr

9

al expansio

n

ssure, part

o

esiccant abs

o

e pressure

i

igh-voltage

s

efrigerant, a

f

igerant fro

m

valve, the

p

f the refrige

r

rbs moistur

e

n the syste

m

witch is 2.8

M

ter removin

g

here.

p

ressure fro

m

ant will eva

p

from the re

f

, thus affect

i

Pa.

the nuts, i

t

the conde

n

p

orate into

g

rigerant, the

ng the life

o

contains a

v

sing

as in

filte

r

f the

alve

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8. F

a

It f

o

effi

c

9.

M

T

h

n

rced air thr

o

iency of the

otor

e role of th

e

ugh the duc

t

heat exchan

g

axial fan m

o

, and then f

l

er.

tor is driven

Se

r

nuts

10

ows through

axial fan bl

a

vice valve

a heat exch

a

des rotate.

nger to imp

r

r

ove heat transfer