air source heat pump water heater

AIR SOURCE HEAT PUMP WATER HEATER
Installation & Instruction Manual
Model:
SWBC-3.8H-B/P
SWBC-9.5H-B/P
SWBC-19.5H-B-S
SWBC-13.5H-A
SWBC-5.6H-B/P
SWBC-13.5H-B
SWBC-7.8H-B/P
SWBC-13.5H-B-S
SWBC-13.5H-A-S
SWBC-19.5H-A-S
Water heater
Contents
CONTENTS
Ⅰ.To our customers(before installation) -------------------------------------------------1
Ⅱ.Product Introducing -----------------------------------------------------------------------2
Ⅲ.Work principle ------------------------------------------------------------------------------3
Ⅳ.Performance Data --------------------------------------------------------------------------4
Ⅴ .Dimension ------------------------------------------------------------------------------------6
Ⅵ.Operation introductions ------------------------------------------------------------------9
Ⅶ .Appendix ------------------------------------------------------------------------------------13
Ⅷ.Wire Circuit Diagram --------------------------------------------------------------------14
Ⅸ.Installation instructions -----------------------------------------------------------------17
Ⅹ.Maintenance --------------------------------------------------------------------------------21
Ⅰ.To our customers
Water heater
Dear Sir:
In order to use this machine safely, please read this INTRUCTION MANUAL carefully
before using and installation. Heat pump water heater is a professional machine, it may
cause damage or hazard when wrong installed, it should be installed by a competent
person in accordance with the relevant standards for the country of use.
WARNING:
ELECTRICAL POWER MUST BE SWITCHED OFF
BEFORE STARTING ANY WORK ON JUNCTION BOXES
1.Before installing the heat pump, please ensure that the electrical supply corresponds
to the specification indicated on the unit s rating label before proceeding with the
connection in accordance with the wiring diagram supplied. Please check carefully
on the rating label and the wiring diagrams that pasted on each heat pump unit.
2.The unit must be EARTHED to avoid any risks caused by insulation defects. It is
forbidden to start any work on the electrical components without switching off the
electrical supply to the unit. Electric leakage switch protection device MUST be
installed.
3.It is forbidden to start any work on the electrical components if water or high
humidity is present on the installation site.
4.When the unit is being connected, ensure that no impurities are introduced into the
pipe work and the water circuits.
5.All maintenance or repairmen of the heat pump must be performed by competent
technicians.
6.It could be hurtful when generated hot water reaches 52 ℃, please mix with cold
water before using.
7. To prevent any damage to the fan or any accidents, it is forbidden to put your
fingers or any other objects into the air outlet. Kids or children should be kept
away from the heat pump.
8. This appliance is not intended for use by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety.
9.Children should be supervised to ensure that they do not play with the appliance.
1
Ⅱ.Product Introducing
Water heater
Product Introducing
Safe and Reliable
Unlike traditional electric water heater, heat pump water heater do not directly generate
heat by electricity , it use less electricity to move heat from one place to another , electric
circuit is separated from water circuit ,which is also not easy for electric shock,
inflammable , explosion and poisoning ! Safer and more reliable!
Highly efficient & Energy saving
Heat pump water heater absorb plenty of heat from free ambient air, and can supply same
hot water volume as electric heater. Electricity consumption is only 1/4 compared to
electric heater, very energy saving!
Environmental Friendly
Heat pump not only use less electricity to get heat from ambient air , but are also able to
combine using with solar equipment , will not cause pollution and no poison gas
exhausting .
All Round The Year Hot Water
Heat pump water heaters are not affected by seasonal climate, provide hot water all year
round even in cloudy or rainy days!
Durable and long-lasting time
Heat pump spare parts such as compressor and 4-way-valve are made by famous brand
manufacturer , and casing panel is corrosion resistance, very durable and long-lasting
time .
Convenient Installation
Installation site for heat pump can be the roof, the garage , the kitchen, the storing room ,
the basement and so on, very convenient on installation .
Wide Application
Heat pump water heaters are applicable for family, factory, school, hotel , hospital , and
laundry ,etc. Wide application for different using request.
2
Water heater
Ⅲ.Work principle
Work principle
The low temperature and low pressure refrigerant gas come from the evaporate to the compressor,
After the compressor compress it , the refrigerant gas became high temperature and high pressure.
Then the gas come into the water condensation into liquid, emit a lot of condensation heat,
condensing heat absorbed by water, making the water temperature increased, and then the liquid
refrigerant come through the expansion valve, with a fan , the evaporate heat in the air, after all
evaporation , the low pressure compressor refrigerant gas inhalation in the compressor, after
working through the compressor, a high temperature and high pressure of the refrigerant gas from
the compressor to exhaust emissions, such reciprocating cycle.
BK BL series
Power supply
Temp adjustor
90℃ Around
90℃左右
Heat water 60℃
Gas and liquid
separated controller
Condenser
Air energy supply
Evaporator
Compressor
Tap water 18℃
Liquid tank
BC series
Expand valve
Power supply
Compressor
Heat energy
pass to water
Ab so rbin g
heat eq uipmen t
Dis c harg e
he a t equ i pment
Heat water
outlet
Dry filter
Absorbing
air heat
energy
Water inlet
Liquid tank Dry filter
Expansion valve
3
Water heater
Ⅳ.Performance Data
Performance Data
Air source heat pump water heater BC series
SWBC-3.8H-B/P SWBC-5.6H-B/P SWBC-7.8H-B/P
Model
Rated heating capacity(w)
3800
SWBC-9.5H-B/P
7800
5600
9500
220V/1PH/50HZ
Power supply(V/Ph/Hz)
0.98
1.4
2.0
2.6
Running current(A)
4.5
6 .5
9.1
12.5
Circulating unit hot water generated(L/h)
163
240
335
408
Input power(kw)
Thermostat factory setting( ℃)
55℃
Thermostat maximum setting( ℃)
60℃
3/4
3/4
3/4
3/4
Compressor quantity
1
1
1
1
Fan motor quantity
1
1
1
1
Fan motor input(w)
25
25
25
50
Fan speed(RPM)
850
850
850
950
Noise(dB(A))
52
52
53
54
Water connections(mm)
935*360*520 935*360*520
Net dimension(mm)
47
Net weight(kg)
935*360*520 1010*370*585
51
65
58
Air source heat pump water heater sidewind series
Model
Rated heating capacity(w)
SWBC-13.5H-B
Power supply(V/Ph/Hz)
Input power(kw)
220V/1PH/50HZ
13500
SWBC-13.5H-B-S
13500
SWBC-19.5H-B-S
19500
380V/3PH/50HZ
3.6
3.6
4.9
Running current(A)
16.7
6.5x3
7.5x3
Circulating unit hot water generated(L/h)
580
Thermostat factory setting( ℃)
580
5 5℃
838
6 0℃
Thermostat maximum setting( ℃)
Water connections(mm)
1
1
1
Compressor quantity
1
1
1
Fan motor quantity
1
1
2
Fan motor input(w)
90
90
90x2
Fan speed( RPM )
950
950
950
Noise(dB(A))
58
58
62
1115*470*685
1115*470*685
1115*470*1250
115
115
147
Net dimension(mm)
Net weight(kg)
Measuring conditions: dry bulb 24℃, wet bulb 19℃, water inlet 40℃,water outlet 60℃ .
4
Water heater
Ⅳ.Performance Data
Performance Data
Air source heat pump water heater topwind series
Model
Rated heating capacity(w)
SWBC-13.5H-A
Power supply(V/Ph/Hz)
Input power(kw)
220V/1PH/50HZ
13500
3.6
Running current(A)
16.7
Circulating unit hot water generated(L/h)
580
Thermostat factory setting( ℃)
SWBC-13.5H-A-S SWBC-19.5H-A-S
13500
19500
380V/3PH/50HZ
3.6
4.9
6.5x3
7.5x3
580
55℃
838
Thermostat maximum setting( ℃)
Water connections(mm)
1
1
1
Compressor quantity
1
1
1
Fan motor quantity
1
1
1
Fan motor input(w)
200
200
200
Fan speed( RPM )
890
890
890
Noise(dB(A))
58
59
60
660*660*860
660*660*860
660*660*960
102
104
148
Net dimension(mm)
Net weight(kg)
60℃
Measuring conditions: dry bulb 24℃, wet bulb 19℃, water inlet 40℃, water outlet 60℃.
5
Water heater
Ⅴ.Dimension
The dimension for air source heat pump water heater
SWBC-3.8H-B/P
SWBC-5.6H-B/P
SWBC-13.5H-B
SWBC-13.5H-B-S
SWBC-7.8H-B/P
SWBC-19.5H-B-S
SWBC-9.5H-B/P
B
C
A
D
G
F
H
E
Measure: mm
Model SWBC-3.8H-B/P
SWBC-5.6H-B/P
Size
6
SWBC-9.5H-B/P
SWBC-7.8H-B/P
SWBC-13.5H-B
SWBC-13.5H-B-S
SWBC-19.5H-B-S
A
330
330
440
440
B
685
640
760
760
C
285
305
425
425
D
360
370
470
470
E
935
1010
1115
1115
F
165
230
120
120
G
50
152
330
645
H
520
585
685
1250
Water heater
Ⅴ.Dimension
The dimension for air source heat pump water heater
SWBC-13.5H-A
SWBC-13.5H-A-S
SWBC-19.5H-A-S
SWBC-24.0H-A-S
G
E
A
C
B
Measure: mm
Model
Size
SWBC-13.5H-A
SWBC-19.5H-A-S
SWBC-13.5H-A-S
A
860
960
B
660
660
C
660
660
G
52
57
E
310
266
7
Water heater
Ⅴ.Dimension
The dimension for High efficiency tube in shell heat exchanger
Measure: mm
SWBC-3.8H-B/P
SWBC-5.6H-B/P
SWBC-7.8H-B/P
SWBC-9.5H-B/P
SWBC-13.5H-B
SWBC-13.5H-B-S
SWBC-13.5H-A
SWBC-13.5H-A-S
H
218
258
328
388
H1
140
180
250
310
Model
Size
Model
Size
8
Measure: mm
SWBC-19.5H-B-S
SWBC-19.5H-A-S
H
350
H1
265
Water heater
Ⅵ.Operation introductions
1) Controller introduction
Cooling mode
Heating mode
Tank outlet temp
Set point temp
First timer
Clock
Timer on
Timer off
1
2
Timer on/ off sign
Second timer
ON/OFF
MODE
UP/DOWN
SET
TIMER
2) Wire Controller Operation
Press
button to turn on or turn off the unit.
Press
button to choose heating mode.
Long press this button for 3 seconds to enter parameter setting status inquiry.
S/N
Content
Range
0
Water inlet temp sensor
0℃ ~ 85℃
1
Ambient temp sensor
-30℃~85℃
2
Coil temp sensor
-30℃~85℃
3
Exhaust temp sensor
50℃~120℃
4
Gas suction temp sensor
-30℃~85℃
5
Electrical expansion valve running status
6
Water outlet temp sensor
0℃ ~ 85℃
7
Reservation
0℃ ~ 85℃
8
Working mode
1 heating only
0 cooling & heating
9
Water heater
Ⅵ.Operation introductions
Press
or
Press
button and
button at the same time, can turn on/off electrical heating.
Press
button and
buttons for 3 seconds, force defrosting function is on.
Press
to directly adjust the temperature.
button once, to enter clock setting.
Under stand by/start-up state, press
flashing, press
or
button, when the place which shows hour is
to adjust the hour; press
which shows minute is flashing, press
or
button again, when the place
to adjust the minute, then press
button again, confirm the time setting.
When long press this button for 10 seconds, can check and adjust the parameters
along with up or down buttons.
Parameters reference table
0
1
2
3
4
5
6
7
8
9
a
b
C
D
E
Parameters
Heating set point temp
Cooling set point temp
Temp difference setting
Water outlet temp adjustable
Defrosting period
Temp to enter defrosting
Max defrosting time
Temp to exit defrosting
To exit auxiliary heating (ambient temp)
Maximum set point temp
High pressure switch
Low pressure switch
Flow switch
Target over-heat degree
Second set point (maximum setting)
Second set point (minimum setting)
System
Range
20 C -60 C
8 C -25 C
2 C -15 C
0 C - 10 C
F
Single phase/ 3 phase
0-1
S/N
10
20min-90min
-30 C - 0 C
3min-15min
5 C - 25 C
0 C - 40 C
35 C - 65 C
0-1
0-1
0-1
-5 C - 15 C
40 C - 50 C
20 C - 30 C
0-1
Default
50 C
12 C
5 C
0 C
45min
-2 C
8min
15 C
12 C
60 C
1(yes)
1(yes)
1(yes)
5 C
50 C
30 C
Reserved
0: single phase (220v)
1: three phase (380v)
Ⅵ.Operation introductions
Water heater
Press
to enter the setting of timer on and timer off (Totally you may set 2 difference
timers on and timer off.)
Under the stand by/start-up state, press
button shows hour data and“ON”“1”
flashed, press or
to adjust the hour; press
button again,shows minute data
and“ON”“1”flashed,
press
or to adjust the minute; press
button again shows hour data and“OFF”
“1”flashed, press
or
to adjust the hour; press
again shows minute data
and “OFF”“1”flashed, press
or
to adjust the minute; Press
again, then
the timer on and off time setting is finished. If you want to cancel this setting,press
then it will be cancelled.
At the stand by/start-up state, long press
button 3 seconds,shows hour data and
“ON”“2”flashed, press
or
to adjust the hour; press
button again,
shows minute data and“ON”“2”flashed,press
or
to adjust the minute;
press
button again shows hour data and“OFF”“2”flashed, press
or
to
adjust the hour; press
again shows minute data and “OFF”“2”flashed, press
or
to adjust the minute; Press
again, then time on and time off time setting is
finished. If you want to cancel this setting, press
then it will be cancelled.
Important Note: During your setting of 2 timers(at one time) , all timer on/off setting time
(00:00) shall NOT be same.
Setting about S1 & S2 switch
S1 Switch---Second set point
S2 Switch---Long distance demand for heating
Please refer to the wiring diagram for the location of above S1 & S2 switch.
1)Heat pump turns on when S2 switch has well connected.
While S2 has connected, suddenly press the off button on the LCD controller.
Heat pump will stop for 3 minutes. However, heat pump continues to turn on if S2
still has been connected after 3 minutes.
2)The Timer function is out of validity either S2 switch has connected.
3)Heat pump turns off when S2 switch is disconnected. Meanwhile, need to
use LCD controller to turn on /off the heat pump.
4)Second set point available when S1 switch has well connected.
At the same time, water temp set point setting decided by ambient temp, Parameter
C and Parameter D. (Both C & D parameter could be adjusted).
Parameter C (maximum setting range 40-50 °C , default 50°C )
Parameter D (minimum setting range 20-30°C, default 30°C )
A. When ambient temp < 5°C, set point temp refer to the data of Parameter C.
B. When ambient temp >15°C, set point temp refer to the data of Parameter D.
C When < ambient temp < 15°C, set point temp = Data of Parameter C-(Data of
parameter C- data of parameter D)/ (15-5)*(ambient temp -5).
For example, when ambient temp is 18 deg c, Parameter C is 50 deg c, Parameter
D is 30 deg c.Then set point temp=50-(50-30)/(15-5)*(18-5)
5)When S1 disconnected, set point temp control by LCD controller.
(Refer to the setting of Parameter C & D (default setting 50° C & 30°C )
11
Water heater
Ⅵ.Operation introductions
3) Malfunction data
S/N Malfunctions
Code
1
Communication failure
E10
2
Water tank sensor failure
P6
3
Ambient temp sensor failure
P5
4
Coil temp sensor failure
P3
5
Exhaust temp sensor failure
P4
6
Gas suction temp sensor failure
P9
7
Water inlet temp sensor failure
P2
8
Water flow switch protection
E3
9
High pressure protection ( 3 times within 1 hour) E1
10
Low pressure protection ( 3times within 1 hour)
E2
11
Exhaust temp too high protection
P8
12
High pressure protection
E4
13
Low pressure protection
E5
14
Anti-Freezing protection
P7
15
Phase order failure
E9
12
Solution
Turn on for heating
Water heater
Ⅶ.Appendix
BC Series Water Pipe System Drawing
Circle TypeWater Heater Water Pipe System Drawing
High-efficient Heat Exchanger
Hot Water Outlet
Water Pressure Switch
Tap Water Inlet Water
13
Water heater
Ⅷ.Wire Circuit Diagram
Wire Circuit Diagram
Applicable model: SWBC-3.8H-B/P SWBC-5.6H-B/P SWBC-7.8H-B/P SWBC-9.5H-B/P
Compressor
WIRING DIAGRAM
CMSC
R
OUT3
OUT2
4-way Valve
Water pump
M
OUT4
Fan
Motor
FM
OUT5
OUT6
OUT8
2
SEN6
CN19
PORT2 PORT1
PORT4 NET GND 12V
PORT6
Tank Water Temp Sensor
2
SEN1
PORT7
Coil Temp Sensor
2
SEN2
CN1
Ambient Temp Sensor
2
SEN3
CN2
Air Circulation Temp Sensor
2
SEN4
NO COM
Air Exhaust Temp
2
SEN5
Inlet Water Temp Sensor
SW1
AC-N
5
2
C N
L N
2
To power
Supply
To AC contactor of
electric heating
3
Water Flow
Switch
High Press
Switch
Low Press
Switch
Transformer
Electronic
Expansion Valve
Wire Controller
Applicable model: SWBC-13.5H-B
AIR SOURCE HEAT PUMP WIRING DIAGRAM
Compressor
AC contactor
CAPACITOR
CAPACITOR
TO AC CONTACTOR
OF E-HEATER
Starting
relay
TO AC CONTACTOR
OF WATER PUMP
FAN MOTPR
S2
S1
FROM POWER
HP-SW
LP-SW
Transformer
FLOW-SW
5
T1
T2
T3
T4
T5
T1
14
T2
T3
T4
T5
Electronic
T6 Expansion Wire
Controller
Valve
Tank temp sensor
Ambient temp sensor
Coil temp sensor
Exhaust temp sensor
Suction temp sensor
T6 Water inlet temp sensor
S1 Second set point
S2 Long distance demand for heating
Water heater
Ⅷ.Wire Circuit Diagram
Wire Circuit Diagram
Applicable model:
SWBC-13.5H-B-S SWBC-19.5H-B-S
AIR SOURCE HEAT PUMP WIRING DIAGRAM
AC contactor
Compressor
TO AC CONTACTOR
OF E-HEATER
TO AC CONTACTOR
OF WATER PUMP
FAN MOTOR
S2
FROM POWER
S1
HP-SW
LP-SW
Transformer
FLOW-SW
T1
T2
T3
T4
T5
T6
T1
T2
T3
T4
T5
Electronic Wire
Expansion Controller
Valve
Tank temp sensor
Ambient temp sensor
Coil temp sensor
Exhaust temp sensor
Suction temp sensor
T6 Water inlet temp sensor
S1 Second set point
S2 Long distance demand for heating
Note: 1. crank heaters marked in diagram are optionalparts according to
customer request!
2. Fm1only applied to SWBC-19.5H-B-S
15
Water heater
Ⅷ.Wire Circuit Diagram
Wire Circuit Diagram
Applicable model:
SWBC-13.5H-A
AIR SOURCE HEAT PUMP WIRING DIAGRAM
CM C
YLW/GRN
R
STARTER
BLK
S
WHT
RED
C1
Fan Motor
WHT
C2
1
2
FM
BLU
WHT
RED
4-way
Valve
COMPRESSOR
4
5
HIGH
MID
LOW
RED
CONTACTOR 1
MCU
AC-N
N1
BLU
R/1
Water flow Switch
N2
S/2
T/3
Low Press Switch
High Press Switch
Ambient Temp
Water Tank Temp
Coil Temp
Air Exhaust Temp
Inlet Water Temp
Transformer Wire
Controller
Outlet Water Temp
RED BLUY/G
C N
Air Circulation Temp
5
3
TO POWER SUPPLY
Electronic
Expansion Valve
1 2
3 4 5 6
Water pump
A
B
C
Three Phase Current
Outdoor connect water
tank electric heating
Applicable model: SWBC-13.5H-A-S SWBC-19.5H-A-S
4-way
Valve
AIR SOURCE HEAT PUMP WIRING DIAGRAM
U
FM
Fan Motor
C MW
V
S/2
T/3
MID
R/1
HIGH
LOW
CONTACTOR
YLW/GRN
Compressor
AC-N
N1
MCU
Water flow
N2
Low Press Switch
High Press Switch
Ambient Temp
Water Tank Temp
Coil Temp
Air Exhaust Temp
Inlet Water Temp
Outlet Water Temp
Transformer Wire
Controller
Air Circulation Temp
5
3
Electronic
Expansion Valve
1 2
3 4 5 6
Water pump
R S T N
380V/50Hz
A
B
C
Three Phase Current
Outdoor connect water
tank electric heating
16
Water heater
Ⅸ.Installation instructions
Installation instructions
1. Unit installation
1).Installation location
Host unit
²Should be installed in a larger & well-ventilated place.
²Installation location should ensure unhindered access outlet (inlet & outlet shown as
below).
²Install gutter or set up positions near the outfall, to facilitate the drainage.
²The installation base or bracket should be steady, to ensure the smooth operation of
running units.
²Make sure the unit is vertical after installation, and no incline.
²Make sure not to install the host unit in the any conditioner of pollution, corrosive gases,
sun and fallen leaves, etc.
²Installation location must not next to place of incendive , easy-explosion and fire .
²Installation must pay attention to the distance between the barriers shown in below
picture (pay attention to arrow direction).
2000mm above the top
1000mm above the top
Air inlet
Air outlet
Air inlet
Air inlet
Air inlet
Air inlet
Above 1000mm
Above 1000mm
Heat pump
Above 1000mm
Above 1000mm
Above 1000mm
Water tank
²Water tanks should be placed where ambient temperature is above 0℃ .
²Can be installed outdoors or the top of the building (based on the size of water tanks and
the load-bearing capacity of the building and so on).
²Do not install water tanks in the pollution, corrosive gases place.
2).Unit installation
²Units base can be installed as cement concrete structures, steel brackets can also be used,
add the shockproof rubber pads , make the base surface flat.
²Units can be designed based on the working performance.
(See Table of technical performance parameters)
²Unit should have drain or drainage inlets.
²Normally required to install in the place where setted cement concrete base.
17
Water heater
Ⅸ.Installation instructions
Installation instructions
2. Pipeline connecting
Installation notes:
²Water drain pipes, overflow pipes should be installed next to the drainage inlets to
facilitate drainage, vent valve should be installed on vent pipes.
²Repair valve should be installed in front of the electromagnetic valve on the pipeline
system, which is convenient for future repair.
²User water pressure should less than 0. 6 Mpa.
²All pipelines should choose metal pipe (such as stainless steel, with Lining Plastic and
lining stainless steel and thin-walled copper pipe or, etc.). The use of plastic pipe
(such as the PP-R, ABS, etc.) should consider the pipeline expansion between the host
unit and water tanks .
²Water supply and pause valves may need to keep warm in the winter (according to the
local winter temperature) to avoid the broken of water supply and pause valve.
Water system installation
²All the pipeline tubing should be matched as shown on the manual, and in accordance
with national corresponding construction standards.
²Installation of water pipes should be straight and flat, pipeline collocation should be
rational, ensure to minimize bending; reduce the resistance loss of the water system.
²Pipeline and connecting parts are not allowed a leakage phenomenon.
²After the installation of circulating pipe between tap water pipes, host unit and water
tanks ,should carry out water leakage testing, and eject the sewage to ensure the sy
stem's cleanness.
²If no water leakage, keep the hot water pipe warm.
3. Project example:
Application of heat pump water heater engineering systems have different forms. Here
are two kinds of stand-alone group water heating system, only for your reference.
High water level
Water tank
Stainless steel soft pipe
Cycling
pump
Discharge pipe
Low water level
Discharge pipe
Constant temp pump
Cold water supply
induction valve:D1
Timing water supply system wiring
18
6
Water flow meter
5
Sign valve
4
I nducting valve
3
pause valve
2
Y type filter
1
water pump
Number
Name
Design
Water heater
Ⅸ.Installation instructions
200
Installation instructions
High water level
Low water level
Constant Temp Controller
User
Water Tank
Extra electric
thermal controller
Cycling pump
(Inside)
Discharge pipe
D1
45℃
Constant Temp
Controller
50℃
55℃
Instant water supply system wiring
8
Single valve
7
Constant temp controller
6
water flow meter
5
temp sensing controller
4
inducting valve
3
pause valve
2
Y type filter
1
water pump
Number
Name
Design
Running Test and operation
1. Preparatory work before the running test.
a) Inspection of heat pump water heater units:
1Check if the unit appearance and the pipeline system were damaged during transport.
1Check if there is air exist in the water pipes, if yes, should empty all the air inside by the
manual exhaust valve and the exhaust valve on the water pumps.
1Check if the fan rotor interference the fan fixing board and fan protection net.
b) Check the electricity distribution System
1Check if the power supply same as shown on manual and rating label.
1Check if all the power supply and control wiring are all well connected, check if the wiring
is connected as wiring diagram and reliability of earth wiring.
c) Check Pipeline system
1Check the pipeline system, make sure the water supply pipes, water return pipes, pressure
gauges, thermometers, valves, water flow switch are safe and correct.
1Check if having opened all the valves that should be opened, and having closed all valves
that should be closed.
1Check if all necessary attemperators are good.
19
Water heater
Ⅸ.Installation instructions
Running Test and operation
2.Running test
This running test must be performed by professional staff!
1 Overall test can be run if the entire system inspection is conformed to regulations.
1 Connected to power, start the heat pump, host unit delays three minutes then auto-start.
For three-phase power supply unit, first check whether the fans and pumps' rotary
direction correct or not, if not, immediately shut down the power and adjust phase
sequence. Measure the compressor operation current, and if any abnormal noise.
Check whether the unit conform to the requirements, run for a period of time
(general 3 days),after that, the unit can be used normally.
3.Normal operation
1 Heating process: start - up - water pumps runs -water flow switch inspection --- Fan
operation compressor operation (when the low water level cut off, water supply
induction valve opens
1 Operation Control:
ON
OFF
Water temperature
(Set water
Set water
temperature-5) temperature
1 Water level control:When the low level switch disconnect, open the water supply
induction valve to supply enough water, meanwhile stop the water supply pump.
Open the water supply pump when high level switch closed, After high-level switch
closed for two minutes , open water supply induction valve ( at least 2 minutes).
1 When water pump is on and the high level switch cut off ,if water temperature <(set
Temperature -5 degrees) , shut down water supply for tanks, If water tank temperature
> (temperature -2 degrees) then open the water supply induction valve , after highlevel switch closed for two minutes stop the water supply induction valve.When
water pumps stopped, whatever conditions , should supply enough water. (Water
supply switch on at 2 minutes).
1 For the first power-on boot, the circulating water pump, compressor, fan motor runs
after low level switch closed.
1 During the unit operation, circulating pump open.When the unit stopped, the
circulating pump will be delayed 30 seconds then stop functioning.
1 When water pumps open, meanwhile open water return induction valve, 10 minutes
later, test the return water temperature, when the return water temperature > (water
temperature -5 degrees), the return water induction valve stops. If the return water
temperature <(tank water temperature -10 degrees), open the water return valve so
that the water supply pump constantly store the hot water.When water supply pump
closed, shut down the water return valve at the same time.
1 For normal start-up, the 4-way valve cut off, only when defrosting ,the unit will work
in normal.
20
Ⅹ.Maintenance
Water heater
Maintenance
Heat pump water heater is a high automatic equipment, please perform regular inspection
termly. If the unit can be long-term and efficiently maintenance, the operating reliability
and service life will have an unexpected increase.
1.The extra water filters should be cleaned regularly to ensure clean water quality of the
system, and to avoid damage caused by dirty water filter blocking.
2.Users should pay attention for usage and maintenance to below : all units' protection
devices are set up before leaving factory, do not make any adjustment by yourself.
3.Frequently check the power supply and electrical wiring system is solid or not, whether
electrical components are abnormally working, if yes, should timely maintenance and
change for a new one.
4.Perform regular checks of the water supply system, check whether the tank safety valve,
liquid level controller and exhaust devices work properly, so as to avoid air into the system,
and reduce the water cycle volume, thus affect the heating function and operation reliability.
5.Check whether pumps and water valves are normal working or not, whether water tubing
and water pipes connector are leakage or not.
6.The unit and around should remain clean, well-ventilated. Regularly clean (1-2 month)the
side air heat exchanger to maintain a good effect of heat exchange.
7.Frequently check whether each part of the unit work normal or not, check whether there is
oil on the pipeline joints and charging valve to ensure that no refrigerant leakage.
8.Do not piling up debris around the unit, so as not to block from air inlet and outlet, the unit
around should be kept clean the dry, well-ventilated.
9.If the unit stops for a longer time, should drain all the water in the pipeline, cut off power
supply, and sets the protective equipment.When re-run the unit, complete inspection is a
must before reboot.
10.When unit failure, and the user can not resolve the problem, please call our Company in
local maintenance department, in order to promptly send people for maintenance.
11.Host condenser cleaning.We propose to use 50℃-60℃, and 15% hot phosphoric acid for
condenser cleaning, launch the circulating pump of the host unit for three hours' cleaning,
finally rinse with water three times. (Propose to back up a 3-way connector when installing
the pipeline, block one joint),in order to clear the connection pipe. Do not use corrosive
cleaning fluid for condenser cleaning.
12.Water tanks need to remove theWater scale after some time (normally two months,
according to the water quality of local place).
21
Air Source Heat Pump-Water Heater
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