Nordic PASRW150S-BP-PS-D Quick guide

Inverter Air Source Water Heat Pump
Floor heating and Air-con Unit
Installation and Instruction Manual
For outdoor installation only

CONTENT
1
Preface 1
2
Safety Precaution 2
(1)
Mark notes 2
(2)
Icon Notes 2
(3)
Warning 3
(4)
Attention 4
3
Specification 5
(1)
Appearance and structure of the heat pump 5
(2)
The data of unit 5
(3)
Unit dimension 6
4
Installation 7
(1)
Application of heat pump 7
(2)
Choose a right heat pump unit 8
(3)
Installation method 8
(4)
Installation place 9
(5)
Refrigerant charge 9
(6)
Water loop connection 10
(7)
Power supply connection 10
(8)
Location of the unit 10
(9)
Transit 11
(10)
Trial Running 12
5 Operation and Use 13
5.1
Main interface display and function
13
5.2 Instructions for operation of wire controller
15
5.3 Electronic control failure code and troubleshooting table
27
6 Appendix 34
(1)
Appendix 1 34
(2)
Appendix 2 35

1
Preface
In order to provide the customers with high quality, strong reliability and good versatility
product, this heat pump is produced by strict design and manufacture standards.
This manual includes all the necessary information about installation, debugging,
discharging and maintenance. Please read this manual carefully before you open or
maintain the unit.
The manufacture of this product will not be held responsible if someone is injured or
the unit is damaged, as a result of improper installation, debugging, unnecessary
maintenance which is not in line with this manual.
The unit must be installed by qualified personnel.
It is vital that the below instructions are adhered to at all times to keep the warranty.
—The unit can only be opened or repaired by qualified installer or an authorised dealer.
— Maintenance and operation must be carried out according to the recommended time and
frequency, as stated in this manual.
—Use genuine standard spare parts only.
Failure to comply with these recommendations will invalidate the warranty.
Inverter air source water heat pump is a kind of high efficiency, energy saving and
environment friendly equipment, which is mainly used for house warming. It can work with
any kind of indoor unit such fan coil, radiator, or floor heating pipe, by provide warm or hot
water. One unit of monobloc heat pump can also work with several indoor units.
The air source water heat pump unit is designed to have heat recovery by using super
heater which can provide hot water for sanitary purpose.
This series of heat pump unit owns following features:
1 Advanced controlling
The PC microcomputer based controller is available for the users to review or set the
running parameters of the heat pump. Centralized controlling system can control several
units by PC.
2 Nice appearance
The heat pump is designed with beautiful looking. The monobloc one has the water
pump included which is very easy for installation.
3 Flexible installation
The unit has smart structure with compact body, just simple outdoor installation is needed.
4 Quiet running
High quality and efficient compressor, fan and water pump is used to ensure the low
noise level with insulation.
5 Good heat exchange rate
The heat pump unit use special designed heat exchanger to enhance whole efficiency.
6 Large working range
This series of heat pump is designed to work under different working conditions as low
as -15 degrees for heating.

2
Safet
y
Precautio
n
To prevent the users and others from the harm of this unit, and avoid
damage on the unit or other property, and use the heat pump properly,
please read this manual carefully and understand the following
information correctly.
Mark Notes
Mark Meaning
WARNING
A wrong operation may lead to death or heavy injury on
people.
ATTENTION
A wrong operation may lead to harm on people or loss of
material.
Icon notes
Icon
Meaning
Prohibition. What is prohibited will be nearby this icon
Compulsory implement. The listed action need to be taken.
ATTENTION (include WARNING)
Please pay attention to what is indicated.

3
Safet
y
Precautio
n
Warning
Installation
Meaning
Professional installer
is required.
The heat pump must be installed by qualified personals,
to avoid improper installation which can lead to water
leakage, electrical shock or fire.
Earthing is required
Please make sure that the unit and power connection
have good earthing, otherwise may cause electrical shock.
Operation
Meaning
PROHIBITION
DO NOT put fingers or others into the fans and evaporator
of the unit, otherwise harm may be occurred.
Shut off the power
When there is something wrong or strange smell, the power
supply need to be shut off to stop the unit. Continue to run
may cause electrical short or fire.
Move and repair
Meaning
Entrust
Whe
n
th
e
hea
t
pum
p
nee
d
t
o
b
e
move
d
o
r
installe
d
again
,
please entrust dealer or qualified person to carry it out.
Improper installation will lead to water leakage, electrical
shock, injury or fire.
Entrust
It is prohibited to repair the unit by the user himself,
otherwise electrical shock or fire may be occur.
Prohibit
When the heat pump need to be repaired, please entrust
dealer or qualified person to carry it out. Improper movement
or repair on the unit will lead to water leakage, electrical
shock, injury or fire.
Do not use means to accelerate the defrosting process or to
clean,Other than those recimmended by the manufacturer.
The appliance shall be stored in a room and install In the
environment without continuously operating or potential
ignition sources (for example:open flames, an operating
gas appliance or an operating electric heater or Electric
Spark or hot object )

4
Sa fe ty Pre ca u ti o n
ATTENTION
Installation
Meaning
Installation Place
The unit CANNOT be installed near the flammable gas.
Once there is any leakage of the gas, fire can be occur.
Fix the unit
Make sure that the basement of the heat pump is strong
enough, to avoid any decline or fall down of the unit
Need
circuit breaker
Make sure that there is circuit breaker for the unit, lack of
circuit breaker can lead to electrical shock or fire.
Operation Meaning
Check the
installation basement
Please check the installation basement in a period (one
month), to avoid any decline or damage on the basement,
which may hurt people or damage the unit
Switch off
the power
Please switch off the power for clean or maintenance.
It is prohibited to use copper or iron as fuse. The right fuse
must be fixed by electrician for the heat pump.
Prohibition
Prohibition
It is prohibited to spray the flammable gas to the heat pump,
as it may cause fire.

5
Specification
1. Appearance and structure of the heat pump
Water outlet
Remote Controller
(Manually)
Water inlet
The longest distance of installing the
remote controller is 200 meters.
2. The data of unit
*** REFRIGERANT : R290
Model
PASRW
150
S-BP-PS-D
Heating Capacity(A)
kW
13.63~50.00
Heating Power Input(A)
kW
4.36~16.00
Cooling Capacity(B)
kW
9.27~34.00
Cooling Power Input(B)
kW
3.91~14.35
Hot Water Capacity(C)
kW
16.36~70.00
Hot Water Power Input(C)
KW
5.29~19.40
Hot Water Capacity(D)
KW
8.24~28.77
Hot Water Power Input(D)
KW
6.01~22.00
Rated Power Input
KW
19.4
Rated Current Input
A
30.0
Power Supply
380~415V/3N~/50Hz
Compressor Quantity
2
Compressor Model
Rotary
Fan Quantity
1
Fan Power Input
W
750
Fan Rotate Speed
RPM 850
REFRIGERANT
Kg
R290/1.5 kg*2
Noise
dB(A)
45~69
Water Connection
inch
1.5
Water Flow Volume
m3/h 9
Unit Net Dimensions (L/W/H)
mm See drawings of the heat pump
Unit Shipping Dimensions
(L/W/H)
mm
see data on the package
Net Weight
kg
see data on the nameplate
Shipping Weight
kg
see data on the package
A: AMBIENT TEMP.(DB/WB): 7℃/6℃,WATER
TEMP.(IN/OUT):30℃/35℃ B: AMBIENT TEMP.(DB/WB):
35℃/24℃,WATER TEMP.(IN/OUT):12℃/7℃
C: AMBIENT TEMP.(DB/WB): 20℃/15℃,WATER TANK TEMPERATURE CIRCULATION FROM
15℃ TO 55℃
D: AMBIENT TEMP.(DB/WB): -10℃,WATER TEMP.(IN/OUT):50℃/55℃
BS EN 14511-1-2013 Air conditioner, whole liquid cooling machine, electric compressor.

6
Part2: Test condition ； Part3:Test method ； Part4:related requirements.

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1 Heat pump 10 Relief valve 19 PT valve
2 Flexible pipe 11 Air vent valve 20 Electrical heater
3 Thermometer 12
Water pump for floor heating 21 Hot water sensor
4 Manometer 13
Check valve
5 Shut-off valve 14
Floor heating valve
6 Y type water filter 15
Hot water tank
7 Plate heat exchanger
16
Floor heating pipe/fan coil unit
8 Buffer tank 17
Hot water valve
9 Expansion tank 18
Hot water pump
Unit features
1. Plate heat exchanger
Use the SWEP efficient heat exchanger with small size and high
efficiency. 2.Environmentally friendly refrigerant
Use the new generation of environmentally friendly refrigerant R290, which is
harmless to the ozone sphere.
3. Heating in frigid environment.
Optimized designed unit can achieve the heating function normally even when the
ambient temperature is -25℃.
4. Infusing refrigerant
The Heat Pump are lack of refrigerant and full of High-pressure nitrogen instead
when
Ex-factory . Before operating ,remember follow Operation Manual infusing
therefrigerant .
5. Installation Environment
The refrigerant R290 are flammable and explosive ,It's prohibit install in one
environment which have operating or potential ignition sources 。
1 Application of heat pump
1.1 House Heating/Cooling + Domestic Hot Water
9
16 10 11
14
5
12
6
5 5
5 8 5
Buffer tank
5
5
5
4
T 3
4 T 3
17 13 5 2
13 6
5 2
5 5
7
5
5
21
19 20
5 13
Hot water tank
15 5
1
18 5
Remark:Item 17, 18, 20, 21
can be connected with heat
pump.

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1.2 House Heating/Cooling（includes Buffer tank）
9
15 10 11
14
5
12
6
5 5
5 8 5
Buffer tank
5
5
5
4
T 3
4 T 3 13
13 5 2
6
5 2
1
1 Heat pump 7 Plate heat exchanger 13 Check valve
2 Flexible pipe 8 Buffer tank 14 Floor heating valve
3 Thermometer 9 Expansion tank 15 Floor heating pipe/fan coil unit
4 Manometer 10 Relief valve
5 Shut-off valve 11 Air vent valve
6 Y type water filter 12 Water pump for floor heating
2 Choose a right heat pump unit
2.1 Based on the local climate condition, construction features and insulation level,
calculate the required cooling(heating) capacity per square meter.
2.2 Conclude the total capacity which will be needed by the construction.
2.3 According to the total capacity needed, choose the right model by consulting the heat.
pump features as below:
Heat pump features
Cooling only unit： chilled water outlet temp. at 5-15℃, maximum ambient temp. at 43℃.
Heating and Cooling unit： for cooling chilled water outlet temp. at 5-15℃,maximum
ambient temp. at 43℃. For heating, warm water inlet temp. at 40-50℃, minimum ambient
temp. at -25℃.
Unit application
Inverter air source water heat pump is used for house, office, hotel, and so forth, which
need heating or cooling separately, with each area need to be controlled.
3 Installation method
The heat pump can be installed onto the concrete basement by expansion screws, or
onto a steel frame with rubber feet which can be placed on the ground or housetop.
Make sure that the unit is placed horizontally.

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4 Installation place
The unit can be installed on any place outdoor which can carry heavy machine such
as terrace, housetop, ground and so on.
The location must have good ventilation.
The place is free from heat radiation and other fire flame.
A pall is needed in winter to protect the heat pump from snow.
There must be not obstacles near the air inlet and outlet of the heat pump.
A place which is free from strong air blowing.
There must be water channel around the heat pump to drain the condensing water .
There must be enough space around the unit for maintenance.
A place which is far away operating or potential ignition sources (for example:open
flames, an operating gas appliance or an operating electric heater or Electric Spark or
hot object )
5 Refrigerant charge
The heat pump do not infusding the refrigerant 290 and full of high-pressure nitrogen or
Keep it in a vacuum instead,please follow these steps to infusing refrigerant R290.
5.1 Preparations：
5.1.1 Please in a well-ventilated environment while charge
refrigerant.
5.1.2 Keep away from open flames or potential sources of fire.
5.1.3 Disconnect the power supply of the heat pump.
5.1.4 Carefully check the nameplate of the heat pump and
chargestrictly according to the labeled amount.
5.2. Check the pressure of nitrogen gas inside the system.The
heat pump has charged about 30 Bar pressure nitrogen gas
inside the system, please check whether there is still
high-pressure nitrogen before charging refrigerant, otherwise
check the leakage point.(Use spanner remove the seal nut 1
and 3 , use 5mm inner hexagon spanner open the valve 2.If it
can Blowing out the high-pressure gas then the heat pump is
not leaking.)
5.3. Use 5mm inner hexagon spanner open the valve 2 and
release all the nitrogen gas inside the system.
5.4. Vacuumize the heat pump.Connect the vacuume pump with
2 1 the valve 2, keep vacuume pump running until the absolute
3 pressure below 30Pa or operating time more than one hour.
Stop valve signs:
Low pressure 5.5. Charge refrigerant.Keep the refrigerant in liquid state when
charging and strictly according to the labeled amount.
5.6. Finish the charging, close the valve 2 and screw the seal nut 1
and 3.

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6 Water loop connection
Please pay attention to below matters when the water pipe is connected:
Try to reduce the resistance to the water from the piping.
The piping must be clear and free from dirty and blocks. Water leakage test must be
carried out to ensure there is no water leaking. And then the insulation can be made.
Attention that the pipe must be tested by pressure separately. DO NOT test it together
with the heat pump.
There must be expansion tank on the top point of the water loop, and the water level in
the tank must be at least 0.5 meter higher than the top point of the water loop.
The flow switch is installed inside of the heat pump, check to ensure that the wiring and
action of the switch is normal and controlled by the controller.
Try to avoid air stayed inside of the water pipe, and there must be air vent on the top
point of the water loop.
There must be thermometer and pressure meter at the water inlet and outlet, for easy
inspection during running.
7 Power supply connection
Open the front panel, and open the power supply access.
The power supply must go through the wire access and be connected to the power
supply terminals in the controlling box. Then connect the 3-signal wire plugs of the
wire controller and main controller.
If the outside water pump is needed, please insert the power supply wire into the wire
access also and connect to the water pump terminals.
If an additional auxiliary heater is need to be controlled by the heat pump controller,
the relay (or power) of the aux-heater must be connected to the relevant output of
the controller.
8 Location of the unit
The unit can be installed separately or in multiple. When multiple units are
installed in combination, attention should be paid to their arrangement.
Installation space for single unit: (unit: mm)
>45° >1500
Flow guide device
>1000 +h
h
>1000 +h
Water inlet or
outlet space
>1500
Maintenanc
e space
>1000
400
(Note: when h>3m, take h=3m)

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Installation space for multiple units (same pipe length): (unit: mm)
1000
1000 1000 1000 1000 1000 1000
≥1500
1000
Note: Do not cover the air outlet of the unit;
If there is a barrier above the unit, please keep it 3000mm above the
unit;
If there are objects stacked around the unit, its height should be at least
400mm lower than the top of the unit;
When installed in a small room, certain measures should be taken to
prevent the leakage of refrigerant. Once leakage volume exceeds the
limit concentration, it may cause suffocation. Please consult your dealer
for specific measures.
9 Transit
When the heat pump is transported please keep
the unit stand up. The unit cannot be laid down,
otherwise the inner parts of the device may be
damaged.

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When the unit need to be hung up during installation, a 8
meters cable is needed, and there must be soft material
between the cable and the unit to prevent damage to the heat
pump cabinet. (See picture 1)
Or please use forklift, since there is wood chassis as package.
Picture 1
WARNING
DO NOT touch the heat exchanger of the heat
pump with fingers or other objects
10 Trial Running
Inspection before trial running
Check the indoor unit, and make sure that the pipe connection is right and the relevant
valves are open .
Check the water loop, to ensure that the water inside of the expansion tank is enough, the
water supply is good, the water loop is full of water and without any air. Also make sure
there is good insulation for the water pipe.
Check the electrical wiring. Make sure that the power voltage is normal, the screws are
fastened, the wiring is made in line with the diagram, and the earthing is connected.
Check the heat pump unit including all of the screws and parts of the heat pump to see if
they are in good order. When power on, review the indicator on the controller to see if
there is any failure indication. The gas gauge can be connected to the check valve to
see the high pressure(or low pressure) of the system during trial running.
Trial running
Start the heat pump by press " " key on the controller. Check whether the water pump is
running, if it runs normally there will be 0.2 MPa on the water pressure meter.
When the water pump runs for 1 minutes, the compressor will start. Hear whether there is
strange sound from the compressor. If abnormal sound occurs please stop the unit and
check the compressor. If the compressor runs well please look for the pressure meter
of the refrigerant.
Then check whether the power input and running current is in line with the manual. If not
please stop and check.
Adjust the valves on the water loop, to make sure that the hot(cool) water supply to each
door is good and meet the requirement of heating(or cooling).
Review whether the outlet water temperature is stable.
The parameters of the controller are set by the factory, it is not allowed to change then

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by user himself.

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5.1. Main interface display and function
(1) Electricity Interface
Fig.1 Electricity interface
(2) Main interface of power-off interface
Fig.2 Power-off interface

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(3) Main interface of power-on
12 13 14 15 16 17 18 19
11
① ④
② ⑤
③ ⑥
⑦ ⑧
Button function
Fig.3 Power-on interace
⑨ ⑩
No. Name Function
①
Power Press to switch ON or OFF
②
Setpoint Press to set the target temperature
③
Mode Press to select cooling or heating mode
④
Lock Press to lock or unlock screen
⑤
Timer
Press to enter timer setting interface (Temp Timer,
Power Timer, Mute Timer)
⑥
Setting
Press to enter function setting interface (Status, Parameter,
Failure, Time)
Running status icons description
No. Icon Description
⑦
Indicating that the unit is power-on

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⑧
Indicating the operating mode: Heating or Cooling