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How a Heat Pump Works

Hayward Heat Pumps take heat from the environment and use it to heat your pool
water. During heat pump operation, liquid freon from inside the unit is pumped
through the system (A) and is turned into a heated gas. This happens when heat is
taken from the surrounding air (B) as it is drawn through the evaporator by the fan.
The compressor (C) receives this warmer gas and compresses it to a higher
pressure, resulting in the freon reaching even higher temperatures. As the unit
sends the heated gas through the heat exchanger, the gas gives up its heat to the
surrounding water (D). The freon reverts to a liquid state as it gives up the heat to
the pool water, which completes the cycle (A). The water (F), which is being
forced through the heat exchanger (D) by your pool pump, is heated by three to
five degrees as it passes through and returned to your pool as heated water. (G)
This process can also be reversed to 

remove

 heat from pool water.

A heat pump can transform 4 to 6 units of heat energy (BTU’s) for every 1
equivalent unit of electrical energy it consumes. This results in a coefficient of
performance between 4 and 6. The specific performance coefficient depends on
your heater model, ambient air temperature and climatic conditions, as well as
incoming pool water temperatures.

Содержание HeatPro

Страница 1: ...OWNER S MANUAL Installation Operation and Service Jan 2004 TA2267 HEAT PUMP STYLE POOL SPA HEATERS...

Страница 2: ...nt 11 o Drainage 11 o Other Precautions 12 III Application Guidelines and Maintenance Climate Conditions 12 Pool Cleaning Systems 12 Efficient Practices o Using a pool cover 13 o Water flow 13 o Chlor...

Страница 3: ...gas gives up its heat to the surrounding water D The freon reverts to a liquid state as it gives up the heat to the pool water which completes the cycle A The water F which is being forced through th...

Страница 4: ...switch will be tripped causing the display to read LP This will prevent the evaporator from becoming damaged or deformed Water Pressure Switch The water pressure switch contacts close when pressure i...

Страница 5: ...ively cool and creating long recovery times If your application dictates the need to turn the heater off for extended periods of time use the circuit breaker For help with this type of control refer t...

Страница 6: ...o a preferred temperature the unit will achieve and maintain this temperature Mode Toggle Switch Off Middle position sets the unit to a no heating mode Pool Flip the switch toward the pool control kno...

Страница 7: ...e Press either the pool or spa mode button Mode Selection Selecting the desired mode of operation spa or pool is accomplished using the POOL SPA buttons A green LED above buttons designates the active...

Страница 8: ...ilter pump which will engage the heat pump to maintain the pool temperature This is a temporary measure that can be initiated in 30 minute increments for a period up to 3 hours Programming for Tempora...

Страница 9: ...our desired temperature setpoint 3 Press the AUTO button to activate the automatic heat cool function AUTO mode indicator will light 4 AC5 should show on the display set at the factory AC indicates th...

Страница 10: ...in inspection for any damage that may have occurred in transit Minor indentations to the aluminum evaporator fins will not affect performance of the unit THE MANUFACTURER CANNOT ACCEPT RESPONSIBILITY...

Страница 11: ...ter should be located on a solid level surface The pool heater is exceptionally quite but if further noise reduction is desired the heat pump may be placed on vibration absorbent pads which are availa...

Страница 12: ...ate data are general conditions surrounding your pool The microclimate surrounding the pool must also be considered Lots of shade low air temperature relative humidity and high wind velocity at the po...

Страница 13: ...of uncovered pool losses As the table shows a pool cover that prevents evaporative cooling can reduce the heat loss from a pool approximately 50 which also cuts your power consumption by 50 Water Flow...

Страница 14: ...he base pan and other areas of the unit Replace the fan guard and acorn nuts securing them tightly Use a rag and soapy water to clean the external plastic panels of the unit DO NOT wipe across the eva...

Страница 15: ...p be drained of pool water and bypassed It is also recommended leaving the cover off as well to take advantage of solar warming effects End of season Winterizing Many pool service companies offer wint...

Страница 16: ...upplying proper water flow to the heat pump 7 The heat pump is not able to maintain your desired temperature Depending on the time of the year you may need to adjust your pool filtration systems hours...

Страница 17: ...r flow Unhook cleaning devices skimmers crawlers etc Heat pump is not running Note the pool filter pump must be running before the heat pump will operate Outside temperature to low Check outside ambie...

Страница 18: ...failure Call HAYWARD service department for info Coil obstruction Call HAYWARD service department for info Perform cleaning procedures described in this manual LP Low Pressure Switch Air flow obstruc...

Страница 19: ...It also does not include the repair or damage due to negligence accident or other conditions beyond the normal intended use of the unit This warranty is void if the product is repaired or altered in a...

Страница 20: ...mbing Specifications 26 Typical Installation Layout 27 Flow Rate 28 External By pass 28 Unions 28 Installation of Pool Heater Above Pool Surface 28 Installation of Pool Heater Below Pool Surface 28 In...

Страница 21: ...protection on all installations regardless of their location An outdoor waterproof disconnect should be mounted adjacent to the heat pump for service safety Refer to charts below for electrical ratin...

Страница 22: ...an damage sensitive electronic controls and can void the warranty DO NOT TOUCH OR ALLOW LOOSE WIRES TO TOUCH THE THERMOSTAT CIRCUIT BOARDS DURING INSTALLATION HP 4 HP 5 PE 42 PE 52 Min Wire Ga 10 8 10...

Страница 23: ...R ED B R O W N R ED FA N M O TO R TH ER M O STA T B LU E B LU E B LA CK G R O U N D LU G O R A N G E O R A N G E TIM E D ELA Y R ELA Y 5 M IN B LA CK H P LP N C N C N O PR ESSU R E SW ITCH TA 2440 Thi...

Страница 24: ...Heat Pump Pool Spa Heater Owner s Manual 23 This wiring diagram is for use with all units that have mechanical single thermostats This wiring diagram is for use with H C units...

Страница 25: ...24 This wiring diagram is for use with all units that have mechanical dual thermostats...

Страница 26: ...TE AND LOCAL CODES It is important that the pool heater be connected downstream from the pool pump and filter in the return line to the pool Connect the pipe from the filter outlet to the fitting near...

Страница 27: ...26...

Страница 28: ...nd winterizing the unit See example on previous page INSTALLATION OF POOL HEATER ABOVE POOL SURFACE If the pool heater is installed more than three feet above the surface of the pool water install dir...

Страница 29: ...pool heaters will be required to heat a single pool the units are to be installed for parallel operation Series plumbing reduces efficiencies of each heat pump downstream The diagram below shows inst...

Страница 30: ...ircuit and operated independently only one at a time for your warranty to stay valid Because of the intense heat that can be generated by gas and solar units the heat pump is protected by isolating it...

Страница 31: ...T BE ADJUSTED see page 30 If the pool heater ceases operation when power to the filter pump is disconnected the water pressure switch adjustment is correct for this installation 5 Restore power to the...

Страница 32: ...f the digital thermostat units are compatible with all known remote systems in the industry Note HotSpot and Lil HotSpot models require special connections The HAYWARD engineering staff can advise you...

Страница 33: ...ect all of the remote systems to the HAYWARD heaters with digital thermostats Thermostat Interface Board in the unit control box Connection to AquaLink Compool and Hayward Remote Systems Bring two wir...

Страница 34: ...cated on the next page 2 Wire the pool filter pump power in parallel using the TCO contactor located in the heat pump control box 3 Wiring shall comply with the 1996 National Electrical Code and all s...

Страница 35: ...RAM IN TEN D ED FO R TC O H O O KU P O N LY R EFER TO N O RM AL W IRE D IAG RAM FO R M O RE IN FO RM ATIO N N O TE TH E T C O C O N TAC TO R IS R ATED FO R 25A M AXIM U M LO AD R EC O M M EN D ED W I...

Страница 36: ...wer light or any display on a digital thermostat If the light is not on check the breaker or disconnect box Are fuses good Make sure the filter pump is on The heat pump will not operate until the filt...

Страница 37: ...pump If the unit is still running after approximately 2 minutes disconnect power The main contactor may have failed or the water switch may have failed To check to the water pressure switch make sure...

Страница 38: ...s not able to maintain your desired temperature Depending on the time of the year you may need to adjust your pool filtration systems hours of operation increase run time Note Use a solar blanket cove...

Страница 39: ...38 Notes...

Страница 40: ...Heat Pump Pool Spa Heater Owner s Manual 39 Notes...

Страница 41: ...40 Notes...

Страница 42: ...Manual 41 Warranty Card 1 Fill out the reverse side of this card 2 Cut card along the edges and drop it in the mail to us CUT ALONG EDGES Hayward Pool Products 1 Hayward Industrial Drive Clemmons NC 2...

Страница 43: ...34 24 75 2 36 25 77 3 37 26 79 4 39 27 81 5 41 28 82 6 43 29 84 7 45 30 86 8 46 31 88 9 48 32 90 10 50 33 91 11 52 34 93 12 54 35 95 13 55 36 97 14 57 37 99 15 59 38 100 16 61 39 102 17 63 40 104 18 6...

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