Hayward HP50A1 Service manual

SWIMMING POOL HEAT PUMP UNIT
Installation & Instruction Manual
Models HP50A1
HP70A1
Hayward Pool Products Canada, Inc.
2880 Plymouth Dr., Oakville, ON L6H 5R4
Haywardpool.ca / 1.888.238.7665

CONTENTS
1. Preface 1
2. Specifications 2
2.1 Performance Data of Swimming Pool Heat Pump Unit 2
2.2 Dimensions for Swimming Pool Heat Pump Unit 3
3. Installation and Connection 5
3.1 Installation of System 5
3.2 Swimming Pool Heat Pumps: Location 6
3.3 How Close to your Pool? 6
3.4 Swimming Pool Heat Pumps: Plumbing 7
3.5 Swimming Pool Heat Pumps: Electrical Connection 8
3.6 Initial Start-Up of the Unit 8
3.7 Water Flow Setting 9
4. User Interface 10
10
12
12
13
14
14
5. Maintenance and Inspection 15
5.1 Maintenance 15
15
6. Appendix 16
16
6.2 Wiring Diagram 17
6.3 Exploded View and Spare Parts List 19
4.1 General presentation
4.2 Clock settings
4.3 Timer function settings
4.4 Operating mode selection
4.5 Setting and visualisation of the set point
6.1 Connection of PCB: Illustration
5.2 Winterising

1
1. PREFACE
In order to provide our customers with quality, reliability and versatility, this product has
been made to strict production standards. This manual contains installation, service and
maintenance. Please read this manual carefully before you open or maintain the unit. The
manufacturer of this product will not be held responsible if someone is injured or the unit
is damaged as a result of improper installation, service or unnecessary maintenance. It is
vital that the instructions within this manual are adhered to at all times. The unit must be
installed by qualied personnel.
The unit can only be repaired by qualied installer center personnel or an authorized
dealers (HVAC).
• 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.
• The Swimming Pool Heat Pump Unit heats the swimming pool water and keeps the
temperature constant.
This type of heat pump has the following characteristics:
1. Durable
The heat exchanger is made of PVC & titanium; the tube can withstand prolonged expo-
sure to corrosives such as chlorine.
2. Quiet operation
The unit contains efcient rotary compressor and a low noise fan motor, which assures
its quiet operation
3. Electronic control board
The unit is controlled by an internal micro-controller, allowing all operation parameters to
be set. Operation status can be displayed on the control panel.

2
2. SPECIFICATIONS
2.1 Performance Data of Swimming Pool Heat Pump Unit
*** REFRIGERANT: R410A
Unit Model HP50A1 HP70A1
Heating Capacity kW 14.7 22.0
BTU/h 50,000 75,000
Heating Power Input kW 2.68 4.2
Running Current A 12 19
Power Supply V/Hz 208-230V~/60Hz 208-230V~/60Hz
Compressor Quantity 1 1
Compressor(s) Rotary Rotary
Fan Quantity 1 1
Fan Power Input W 120 120
Fan Rotate Speed RPM 850 850
Fan Direction Horizontal Horizontal
Noise (at 1 meter) dB(A) 54 56
Water Connection inch 1.5 1.5
Water Flow Volume Imperial/US m3/h/gpm 4.5/20 6/26
Water Pressure Drop (max) kPa/psi 10/1.5 12/1.5
Unit Net Dimensions (L/W/H) mm/in 1049x400x652 /
41.3x15.7x25.7
1162x470x865 /
45.7x18.5x34
Unit Shipping Dimensions
(L/W/H) mm 1130x470x680 /
44.5x18.5x26.8
1220x490x880 /
48x19.3x34.6
Net Weight/Shipping Weight kg 58/71 106/123
Heating: Ambient temp (DB/WB): 80ºF (26.7ºC) / 75.8ºF (24.3ºC)
Water temp (in/out): 80ºF (26.7ºC) / 92ºF (28ºC)