NorthFlo PSNF50 User manual

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Swimming Pool Heat Pump
INSTALLATION AND USER MANUAL
Please read the manual in real time
PSNF50, PSNF65, PSNF80, PSNF110

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Content
I. Application.................................................................................................................4
II. Features.....................................................................................................................4
III. Technical Parameters ..............................................................................................5
IV. Dimension ...............................................................................................................6
V. Installation Guide .....................................................................................................7
VI. Operation Instruction ..............................................................................................9
VII.Testing...................................................................................................................12
VIII. Precautions..........................................................................................................13
IX. Maintenance..........................................................................................................14
X. Trouble shooting for common faults......................................................................14

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Warning
A. DO NOT use this unit for any other purpose than to regulate swimming pool water
temperature. Utilization for any other application will void warranty.
B. The inlet & outlet connection joint cannot support any other piping system’s weight.
C. Make sure outlet air do not hurt any person, animal & plant.
D. Please make sure to switch off the power before any examination and repair.
Precautions
A. The unit must be installed & maintained by professional technician, the Power
layout must comply with local concerned regulation. Please read the manual
carefully.
B. Set proper temperature in order to get desired water temperature.
C. Please do not stack substances that can block air flow near inlet or outlet area.
D. The unit will automatically start up upon power available although power stop
during operation.
E. If the machine is stopped for a long time or in winter season, please cut off the
power supply and drain water clear of the machine by opening the tap of inlet pipe.
F. Do not put your hand or pole into air outlet of evaporator, forbid to disassemble the
working fan .
G. If any abnormal status occurs such as abnormal noise, smell, smoke, electricity
leakage, please switch off power immediately and contact your local dealer , please
do not check the unit by yourself.
H. Do not store combustible or flammable material near unit.

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I. Application
1- Set swimming pool water temp efficiently and economically to provide you comfort
and pleasure
2- User may choose the model technical parameter according to professional guide, this
series of swimming pool heater has been optimized in factory (refer to technical
parameter table).
II. Features
1- High efficient titanium heat exchanger
2- Sensitive and accurate temp control and water temp display
3- Environment-friendly R410A refrigerant.
4- High pressure, low pressure & water flow protection system
5- Exceeding low temp auto stop protection
6- Temp control compulsory defrosting
7- International brand compressor
8- Easy installation and operation

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III. Technical Parameters
Model
PSNF50
PSNF65
PSNF80
PSNF110
Heating capacity
50000 BTU
65000 BTU
80000 BTU
110000 BTU
Voltage
208-230V
Frequency/phase
60Hz/1Ph
Heating current (air80°F, water80°F)
10.8A
11.8A
15.6 A
21.3 A
Heating power (air80°F, water80°F)
2.3KW
2.6KW
3.4 KW
4.4 KW
Heating current (air80°F, water95°F)
13.2 A
13.3 A
19 A
24.5 A
Heating power (air80°F, water95°F)
2.7 KW
2.9 KW
3.9 KW
5.7 KW
Compressor RLA/LRA
11.6A/60.2A
12.9A/66.9A
21.2A/123A
30.2A/139A
Fan motor rating
0.5 A
1.1A
1.2 A
1.2 A
Design pressure (High)
≤609 PSIG
≤609 PSIG
≤609 PSIG
≤609 PSIG
Design pressure (Low)
≤261 PSIG
≤261 PSIG
≤261 PSIG
≤261 PSIG
Refrigerant(R410A)
56.4oz
74.1oz
95.2oz
116.4oz
Net weight (KG)
68
78
112
135
Water circulation flow
83-116 L/min
108-142L/min
108-142 L/min
133-167 L/min
Noise
≤50 dB(A)
≤58d B(A)
≤50 dB(A)
≤58dB(A)
Waterproof class
IPX4
IPX4
IPX4
IPX4
Qty per 20’ ft / 40’HQ
78/165 sets
52/165 sets
42/135 sets
34/72 sets
Remarks:
1. This product can work well during air temp 32℉～109℉(except SS50, SS50 can only work well
during 50℉～109℉). Efficiency will not be guaranteed out of this range and parameters are
different under various conditions.
2. Related parameters are subject to adjustment periodically for technical improvement without
further notice. For details please refer to nameplate.

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IV. Dimension
C
H
D
A
Note:
The picture above is the specification diagram of the pool heater, for technician’s installation and
A
B
C
D
E
F
G
H
PSNF110
879
383
690
900
857
530
83
933
PSNF80
662
452
694
687
652
360
83
734
A
B
C
D
E
F
G
H
PSNF50
313
610
390
357
961
310
77
658
PSNF65
313
590
387
357
961
380
77
758
E
H
C
B
D
A
F
G
Name
Size(mm)
Model
Size(mm)
Name
Model

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layout reference only. The product is subject to adjustment periodically for improvement without
further notice.
V. Installation Guide
1. Drawing for water pipes connection
Pump
POOL WATER IN
WATER TO SWIMMING POOL
STOP VALVE
THREE WAY
VALVE
work together
STOP VALVE
STOP VALVE THREE WAY
VALVE
OUTLET
INLET
SWIMMING
POOL WATER
TREATMENT
SYSTEM
Notice：The drawing is just for demonstration, and layout of the pipes is only for reference.
2.Electric Wiring Diagram
Note：The swimming pool heater must be earthed well.

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Options for protecting devices and cable specification.
Model
PSNF50
PSNF65
PSNF80
PSNF110
Breaker
Rated current A
20
25
35
42
Rated Residual Action
Current mA
30
30
30
30
Fuse A
20
25
35
42
Power cord （AWG ）
3×12
3×10
3×10
3×8
Signal cable ( AWG ）
3×20
3×20
3×20
3×20
Note: The above data is adapted to power cord ≤ 10 m .If power cord is ＞10 m, wire diameter must
be increased. The signal cable can be extended to 50 M at most.
Pump protecting device, cable specification is subject to user’s option.
1. Installation instruction and requirement
The swimming pool heater must be installed by a professional team. The users are not
qualified to install by themselves, otherwise damage may happen to the heater or
threat the body safety of the user.
A．Installation
1-The swimming pool heater should be installed in a place with good ventilation;
2-The frame must be fixed by bolts (M10) to concrete foundation or brackets. The
concrete foundation must be solid and fastened; the bracket must be strong enough
antirust treated.
3-Please don’t stack substances that will block air flow near inlet or outlet area, and
there is no barrier within 50cm behind the main machine, or the efficiency of the
heater will be reduced or even stopped.
4-The machine needs an appended pump (Supplied by the user). The recommended
pump specification-flux: refer to Technical Parameter, Max. lift ≥10m;
5-When the machine is running, there will be condensation water discharged from the

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bottom, please pay attention to it. Please hold the drainage nozzle (accessory) into the
hole and clip it well, and then connect a pipe to drain the condensation water out.
B．Wiring
1-Connect to appropriate power supply, the voltage should comply with the rated
voltage of the products. Earth the machine well.
2-Wiring must be handled by a professional technician according to the circuit
diagram.
3-Set leakage protector according to the local code for wiring (leakage operating
current ≤30mA).
4-The layout of power cable and signal cable should be orderly and not affecting each
other.
C．Switch on after finishing all wiring construction and re-checking.
VI. Operation Instruction
Picture for keys
CLOCK TIME ON TIME OFF HEAT
Power On/Off
WaterTempAnd
TimeSetting
Timer Indicator Light
Timer On
Heating
Timer Indicator Light
Clock
Timer Off

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1. Operation Display
a. The display shows Time when the machine is off.
b. The display shows Temperature of the swimming pool water when the machine
is on.
2. Required pool water temperature
It can be adjusted both when the machine is on or off.
a. Press UP-ALLOW key or DOWN-ALLOW key to set to your required
pool water temperature.
b. The numbers in the LED screen will flash during your operation.
c. After five seconds, it will stop flashing and be saved, the LED screen will return
to the permanent display.
d. When you want to check the temperature, press key or to see the current
setting.
3. Time setting
It can be adjusted both when the machine is on or off.
a. Press key to set time according to your local time.Time on the LED
screen flashes.
b. Press again then press key or to set hour.
c. Before it stops flashing, press and then press key or to set
minutes.
d. After setting, press and the water temperature will appears. 30 seconds
later, it will stop flashing and the LED screen will return to the permanent
display.

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4. Automatic on/off
This function can make the machine work or stop automatically in your required
time.
A. Time on
a. Press to set timer on.
b. When the indicator light is on and the time is flashing , press again to set
hour. Use and to adjust.
c. Before the flashing stops, press to set minute Use and to adjust.
d. After adjusting, press “TIMER ON” and water temperature will be seen. 30
seconds later, the controller display will be back to the normal mode.
B. Time off
a. Press to set timer off.
b. When the indicator light is on and the time is flashing , press again to set
hour. Use and to adjust.
c. Before the flashing stop, press to set minute Use and to adjust.
d. After adjusting, press and water temperature will be seen. 30 seconds later,
the controller display will be back to the normal mode.
C. Cancelling the automatic mode
a. Press or to cancel timer on and off.
b. When the number is flashing, press . When timer indicator light is off and
LED shows water temperature, the timer on and off is canceled.
c. 30 seconds later, the controller display will be back to the permanent display.

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VII. Testing
1．Inspection before use
Ａ．Check installation of the whole machine and the pipe connections according to the
pipe connecting drawing;
Ｂ．Check the electric wiring according to the electric wiring diagram; and earthing
connection.
Ｃ．Make sure that the main machine power switch is off
Ｄ．Check the temperature setting.
E．Check the air inlet and outlet.
2．Operation
Ａ．The user must start the Pump before the Unit, and Turn off the Unit before the
Pump.
Ｂ．The user should start the pump, check for any leakage of water; and then set
suitable temperature in the thermostat, and then switch on power supply.
Ｃ．In order to protect the swimming pool heater, the machine is equipped with a time
lag starting function, when starting the machine, the blower will run 3 minutes
earlier than the compressor.
D．After the swimming pool heater starts up, check for any abnormal noise from the
machine.

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VIII. Precautions
1Attention
A．Set proper temperature in order to get comfortable water temperature; to avoid
overheating or overcooling.
B．Please don’t stack substances that can block air flow near inlet or outlet area, or the
efficiency of the heater will be reduced or even stopped.
C．Please don’t put hands into outlet of the swimming pool heater, and don’t remove
the screen of the fan at any time.
D．If there are abnormal conditions such as noise, smell, smoke and electrical leakage,
please switch off the machine immediately and contact the local dealer. Don’t try
to repair it yourself.
E．Don’t use or stock combustible gas or liquid such as thinners, paint and fuel to avoid
fire.
F．Connecting pipes of the swimming pool and the heater should be ≤10m, or the
heating effect of the heater cannot be ensured.
2. Safety
A．Please keep the main power supply switch far away from the children.
B．When a power cut happens during running, and later the power is restored, the
heater will start up automatically. So please switch off the power supply when there
is a power cut, and reset temp when power is restored.
C．Please switch off the main power supply in lightning and storm weather to prevent
from machine damage that caused by lightning.

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D．If the machine is stopped for a long time, please cut off the power supply and drain
water clear of the machine by opening the tap of inlet pipe.
IX. Maintenance
A．“Cut off” power supply of the heater before any examination and repair.
B．In winter seasons, please drain water clear of the machine, “cut off” power supply
to prevent any machine damage, and cover the machine body with plastic foil to
avoid dust.
C．Please clean this machine with household detergents or clean water, NEVER
gasoline, thinners or any similar fuel.
D. Check bolts, cables and connections regularly.
X. Trouble shooting for common faults
Faulty
Reason
Solutions
Not starting
Main power is off
Wait for power to be reinstated
Switch off
Switch on
Burnt out fuse
Replace it
Circuit breaker drops out
Switch Circuit Breaker back on
There is air
outlet but the
heating is not
satisfactory
Blocked air inlet
Clean out the stem
Blocked air outlet
Clean out the stem
3 minutes time lag protection
Please wait
Temperature set too low
Increase temperature setting accordingly
If the above mentioned faults cannot be solved, please contact the professional and inform model
and detailed faulty condition.
Atten: Please don’t disassemble and repair the swimming pool heater by yourself, please leave it
to the professionals.

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Failure code
E 1
High pressure protection
E 2
Low pressure protection
E 3
Low water pressure protection
E 4
3 phase sequence protection (Only for 3phase models)
P 1
Pool water temp sensor failure
P 2
Exhaust temp sensor failure
B.Cool and Heat type: Cooling coil pipe temp sensor failure
P 3
Heating coil pipe temp sensor failure
P 4
Gas return temp sensor failure
P 5
Air temp sensor failure
E 6
Compressor exhaust overload protection (>110℃)
P 7
When the temperature<+32℉, auto stop protection（not Failure）
“HEAT” flashing
Defrosting (not failure)
Imported by:

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Thermopompe de piscine
GUIDE D’UTILISATION
Veuillez lire le guide attentivement
PSNF50, PSNF65, PSNF80, PSNF110

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Table des matières
I. Utilisation générale ..................................................................................................19
II. Caractéristiques de l’appareil .................................................................................19
III. Paramètres techniques...........................................................................................20
IV. Dimensions............................................................................................................21
V. Installation..............................................................................................................22
VI. Fonctionnement de l’appareil................................................................................25
VII.Vérification...........................................................................................................12
VIII. Précautions à prendre .........................................................................................27
IX. Maintenance..........................................................................................................29
X. Diagnostic et solution pour les troubles les pluscourants ......................................30

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Attention
A. NE PAS utiliser cet appareil pour aucune autre fin que celle de régulariser la
température de l’eau d’une piscine. Toute autre utilisation annule la garantie.
B. Les joints de connections d’entrée et de sortie ne peuvent supporter la pesanteur
d’aucun autre système de tuyauterie.
C. Assurez-vous que la sortie d’air ne peut blesser une personne ou un animal, ou
affecter vos plantes.
D. Fermez l’alimentation électrique avant tout examen, entretien ou réparation.
Mises en garde
A. L’appareil doit être installé & entretenu par un technicien professionnel;
l’alimentation électrique doit respecter la réglementation locale. Veuillez lire
attentivement le Guide.
B. Sélectionnez un degré de température qui vous permettra d’obtenir la température
souhaitée de l’eau.
C. Attention de ne pas placer des objets qui pourraient entraver la circulation de l’air
près des entrée et sortie d’air de l’appareil.
D. Si l’alimentation électrique est coupée alors que l’appareil est en fonction, il se
remettra automatiquement en marche lorsque l’électricité sera rétablie.
E. Si vous arrêtez l’appareil pour une longue période, ou durant l’hiver, coupez
l’alimentation électrique et, ouvrez le robinet d’entrée d’eau afin de purger le
système de l’eau accumulée à l’intérieur.
F. Ne placez pas votre main ou un objet (outil) dans la sortie d’air de l’évaporateur. Il

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vous est formellement interdit de tenter d’ouvrir le ventilateur en marche.
G. Si vous détectez une situation qui vous semble anormale, par exemple du bruit plus
élevé que d’habitude, de la fumée, une odeur, une perte d’électricité, coupez
immédiatement le courant et contactez votre détaillant local. Ne tentez pas de
vérifier vous-même l’appareil.
H. N’entreposez pas de matières inflammables près de l’appareil (toiles, bois de
foyer …).
I. Utilisation générale
1- Choisissez une température de l’eau de la piscine à un degré approprié mais aussi
économique, afin de maximiser votre confort et votre plaisir.
2- Vous pouvez choisir les paramètres techniques de ce modèle de thermopompe de
piscine, tels que décrits dans le Guide; ils ont été optimisés en usine (référez-vous
au tableau des paramètres techniques).
II. Caractéristiques de l’appareil
1- Un échangeur d’air au titane, à haut coefficient d’efficacité
2- Une grande précision du contrôle et de l’affichage de la température
3- L’utilisation du réfrigérant R410A, qui respecte l’environnement
4- Un système de détection et de protection de la pression d’eau (pression
élevée ou basse, contrôle du circuit de circulation)
5- Un arrêt automatique si la température est trop basse
6- Un contrôle automatique de la température de déglaçage
7- Un fabricant du compresseur de réputation internationale

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8- Une installation et une utilisation faciles
III. Paramètres techniques
Modèle
PSNF50
PSNF65
PSNF80
PSNF110
Capacité thermique
50000 BTU
65000BTU
80000 BTU
110000 BTU
Voltage
208-230V
Fréquence/phase
60Hz/1Ph
Courant (air 80°F, eau 80°F)
10.8A
11.8A
15.6 A
21.3 A
Puissance thermique (air80°F, eau
80°F)
2.3KW
2.6KW
3.4 KW
4.4 KW
Courant (air 80°F, eau 95°F)
13.2 A
13.3 A
19 A
24.5 A
Puissance thermique (air 80°F, eau
95°F)
2.7 KW
2.9 KW
3.9 KW
5.7 KW
Compresseur RLA/LRA
11.6A/60.2A
12.9A/66.9A
21.2A/123A
30.2A/139A
Efficacité du moteur de ventilation
0.5 A
1.1A
1.2 A
1.2 A
Pression selon la conception (Élevée)
≤609 PSIG
≤609 PSIG
≤609 PSIG
≤609 PSIG
Pression selon la conception (Faible)
≤261 PSIG
≤261 PSIG
≤261 PSIG
≤261 PSIG
Réfrigérant(R410A)
56.4oz
74.1oz
95.2oz
116.4oz
Poids net(KG)
68
78
112
135
Circulation d’eau
83-116 L/min
108-142L/min
108-142 L/min
133-167 L/min
Bruit ambiant
≤50 dB(A)
≤58d B(A)
≤50 dB(A)
≤58dB(A)
Catégorie d’imperméabilité
IPX4
IPX4
IPX4
IPX4
Quantité par 20’ft / 40’HQ
78/165 sets
52/165 sets
42/135 sets
34/72 sets
Remarques:
1. Cet appareil fonctionnera de façon appropriée pour une température de l’air entre 32
℉～109℉. L’efficacité n’est pas garantie en dehors de ces variations de température
et les paramètres techniques varient lorsque les conditions diffèrent.
2. Ces paramètres peuvent être modifiés sans préavis suite à des améliorations
techniques. Pour plus de détails, voir la plaque d’identification.