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Pentair ThermalFlo User's Manual

1. 1 Turn offthe main system power before making any connections 2 Unlatch the front door spring latche s and open the front door of the IntelliTouch or EasyTouch Load Center 3 Loosen the two retaining screws from the top ofthe control panel and lower the control panel down to access the Personality Board 4 Runa UL approved conductor cable from the ThermalFlo to the Load Center 5 Route the cable up through the low voltage raceway located on the left of the Load Center to the Personality Board see Figure 13 6 Insert the ThermalFlo cable plug onto the gas heater terminal connector located on the left side of the Personality Board 7 Ifthe heat pump is used in conjunction with a gas heater use a 520403 Dual Heater Relay Kit Plug the heat pump relay connector onto the SOLAR Terminal on the top center of the Personality Board Follow the Dual Heater Relay Kit instructions for further set up details 8 Lift the control panel up into position and secure with the two screws 9 Connect the cable from the IntelliTouch or EasyTouch Load Center to the heat pump remote control terminals using 1 4 in Fast On Spade connectors see Figu
2. O ES lares S 9 25 le S i Y fF 18 0 a 32 0 gt Correct installation is required to assure safe operation The requirements for Pentair Water heat pumps include the following e Dimensions for critical connections e Fieldassembly ifrequired e Appropriate site location and clearances See pages 4 5 e Proper electrical wiring See pages viand 11 13 e Adequate water flow See page vi This manual provides the information needed to meet these requirements Review all application and installation procedures completely before continuing the installation Location A CAUTION When pool equipment is located below the pool surface a leak from any component can cause large scale water loss or flooding Pentair Water Pool and Spa Inc cannot be responsible for such water loss or flooding which may cause damage to the product Avoid placing the heat pump in locations where it can cause damage by water or condensate leakage If this is not possible provide a suitable drain pan to catch and divert any leakage ThermalFlo Installation and User s Guide Clearances All criteria given in the following sections reflect minimum clearances However each installation must also be evaluated taking into account the prevailing local conditions such as proximity and height of walls and proximity to public access areas The heat pump must be placed to provide clearances on all sides for maintenance
3. ccccccceeceeeeeeeeeeeeeeeeeeeeeeeeeseessaesaeeeaeaaeneaeeeeeeeeeeeeeeees 21 Water CHGS Ey oy A ld I re 21 WINTER access A tee eene 21 Spring Start Up cuida ia a a 22 Inspection and Service occccccccccnnnnnnnnnnnnnnncnnncnnncnnnnnnnnnnnnnn nn nn nn nn nnnnnnnnnnnnnnnnnnos 22 OWwNneF INSPSCHION 2 260 gg ai 22 Professional Maintenance and Service oooooooccccccccncnnnnnnnnnnnnncnnnnnnnnnninannnnnnannnnnnnnns 23 Section 5 Troubleshooting ET 25 Section 6 Replacement Patt iia pica cc 28 Illustrated Parts EEA EES dad 28 Replacement Parts List cistine p i a e a a e ea a aE 29 ThermalFlo Installation and User s Guide IMPORTANT SAFETY PRECAUTIONS RA Important Notice This guide provides installation and operation instructions for the ThermalFlo HP models of Heat Pumps Consult Pentair Water with any questions regarding this equipment Attention Installer This guide contains important information about the installation operation and safe use of this product This information should be given to the owner and or operator of this equipment after installation or left on or near the heat pump Attention User This manual contains important information that will help you in operating and maintaining this heat pump Please retain it for future reference A WARNING Before installing this product read and follow all warning notices and instructions which are included Failure to follow safety warnings and instructi
4. SH A Ie Mode Indicator LEDs 1 REMOTE LED On when the controller is being controlled by the three remote terminals on the back of the control board SPA COM and POOL When using REMOTE mode the local setpoints should be outside the temperature band that the remote device will be controlling at Set the pool and spa temperature setpoints to the maximum settings 104 F for heat 60 F for cool 2 POOL LEID On when heat pump is maintaining water temperature at the POOL setpoint SPALED On when heat pump is maintaining water temperature at the SPA setpoint 4 POWER MODE LED On when the heat pump is OFF and there is power to the unit ThermalFlo Installation and User s Guide 18 Operation Temperature Setting The heat pump comes factory set at 78 F for POOL mode and 100 F for SPA mode Start by selecting either the POOL or SPA mode to turn the heater on then using the Up and Down arrows you can set the thermostat anywhere between a minimum temperature of 60 F and a maximum of 104 F Mode Selection Buttons 1 REMOTE button Places the heat pumpin REMOTE mode whereby its starting and stopping is controlled by relays inaremote device connected to the remote terminals on the back of the control board 2 POOL button Places the heat pump in POOL mode which causes it to start and stop as necessary to maintain water temperature at the pool setpoint 3 SPAbutton Places the heat pump in SPA mode
5. Low water flow when switched to spa mode Compressor was not preheated properly Low weak or damaged start capacitor The heater produces water condensation when it operates The water will trickle from the drain holes designed in the bottom of the heater The higher the humidity the more water condensation the heater will produce This is similar to the effect that a glass of ice water has when it sweats Corrosive pool water chemical damage to water tubing inside heater Chlorinator is not isolated from the heater chlorine migration 27 Possible Cause Corrective Action Clean entire filtering system and or replace filter element Inspect amp clean pump impeller Adjust all plumbing valves Repair suction air leaks grease pump lid o ring Replace filter Have a licensed electrician check the power supply voltage and wire size Check start capacitor Call your installer for advice Call the factory for advice Shut the heater off for several hours but leave the pool water pump running Allow enough time for all the normal condensation to evaporate If the heater continues to trickle water after that time when itis not running you may have a pool water leak You can test this water for chlorine to confirm Make sure your chlorinator has a check valve and loop installed between the heater amp chlorinator Verify circulating pump is on and that there are no water flow restrictions to the heat pump Make sure all necessary v
6. Remove the front left panel ofthe heat pump cabinet you do not need to remove the torque head screw at the top left corner Remove the electrical service panel to the heat pump Remove the 4bezel retaining screws from above the electrical compartment and rotate the bezel downward This will allow youto access the Remote terminals on the back ofthe ThermalFlo HP control board for the remote control installation Run the wires from the pool sparemote control system into the upper electrical compartment Connect the wiring from the pool sparemote control system to the heatpump remote control terminals using om FastOn connectors as shown in the figure below Rotate the bezel back upwards into position and reinstall the 4 retaining screws Replace the electrical service panel Replace the front left panel Restore power to the heat pump and the pool spa remote control system l l SPA POOL l l Heat Pump Control Board 3 Fast On Connectors Y Z TEMPERATURE CACA Figure 12 ThermalFlo Installation and User s Guide 14 Connecting the ThermalFlo to the IntelliTouch or EasyTouch Load Center To connect the ThermalFlo cable to the Personality Board in the IntelliTouch or Easy Touch Load Center
7. trademarks and trade names other than its own P N 473426 Rev C 10 19 06 Contents Important Safety e jii Section E K l e TI de E 1 ThermalFlo Overview oooccccccccccccccoccnnconncnnnnnnnnnnnnnnnnn nn nn nro nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnins 1 General Features 2 Section 2 Installati n EE 3 Installing the ThermalFlo crisis ii idas 3 Materials needed for Installation oooonnccccccccccnncnncnnnnnnnnnnnnnnonrno non nnnnnnnnnnnnnnos 3 ThermalFlo Heat Pump Dimensions cocccccccccccnnnnnnnnnnnnnnnananonnnnnnnnnnnnnnnnnoncnnnnnnnnnnnnos 4 MOG AUN at asii aeo idas 4 ST Tele 5 Roof TE 5 Equipment Pad uta e ras 5 Drainage and Condensation EE 6 Lawn Sprinklers niscenire a ania eaa aAA A kaaa aaae 6 Anchor Clamp Installaton nn nn nro nn nn nono nn nnnnnnnos 6 Water Connections nono nn non nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnininns 7 SIE EE 7 Water Connections Quick Connect ai ciciccseiiishaiaescsresiacnedsendassabsetasenvectatimasoneianybals 8 Check Valve Installation ooooooinninnicicicicoooooooocooccnonnnnnnnnnonnnnnnnnnnnnnnnnnnnannnnnnnnnnnnnnnns 8 Automatic Flow Control Valve ooooooooooooocococcccccccccnnnonnccncccnnnnnnnnnnnannnn nono n nro nnnnncnnnnnnnnos 8 Multiple Unit Installation ooococoncnnnnnnnnnncccccnnnnnnnnnnnnnnnnnnnnnnnn nn nn nn nn nn nn nnnnnnos 9 Heat Pump A Heater Combination ococcccccccccnninncinnnnnnnnanonnononononnnnnnnnnnnnnnnnnnnnnnnnos 9 Multiple Heat Pump CO
8. ThermalFlo Installation and User s Guide Section 2 Installation The following general information describes how to install the ThermalFlo heat pump Note Before installing this product read and follow all warning notices and instructions starting on page iii Installing the ThermalFlo Only a qualified service person should install the ThermalFlo heat pump Materials needed for Installation The following items are needed and are to be supplied by the installer for a heat pump installations 1 Plumbingconnections 2 inch 2 Levelsurface for proper drainage 3 Suitable electrical supply line See rating plate on unit for electrical specifications A junction box is not needed at the heat pump connections are made inside of the heat pump electrical compartment Conduit may be attached directly to the heat pump jacket 4 Electric cutout switch that will interrupt all power to the unit This switch must be within line of sight of the heatpump 5 Watertight conduitto run the electrical supply line Note We recommend installing isolation valves on the inlet and outlet water connections for ease of serviceability ThermalFlo Installation and User s Guide ThermalFlo Heat Pump Dimensions 38 7 gt 30 7 A E
9. a flat slightly pitched surface such as a concrete or fabricated slab pad This allows proper drainage of condensation and rain water from the base of the unit If possible the pad should be placed atthe same level or slightly higher than the filter system equipment pad NOTE Ensure that the pad is pitched not more than 1 4in per foot toward the compressor end front of the heat pump Pitch slab from back to front 1 4 in per foot maximum and level from side to side ThermalFlo Installation and User s Guide Drainage and Condensation Condensation will occur from the evaporator coil while the unit is running and drain at a steady rate usually three to five gallons per hour depending upon ambient air temperature and humidity The more humid the ambient conditions the more condensation will be produced The bottom of the unit acts as a tray to catch rainwater and condensation Keep the drain holes located on the bottom pan of the base of the unit clear of debris Lawn Sprinklers SOT a A NO SPRINKLERS gt o w o S o g Make sure there are absolutely no sprinkler heads near the heater that will in any way spray on or into the heater Sprinkler damage is not covered under the warranty agreement Make sure that they re a sufficient distance away so that normal winds will not carry the mist to the heater If your filtering system area has plants that need water use a trickle type irrigation sprinkler instead of the broadcast ty
10. and inspection 1 Atleast 24 in 61cm access must be available in the front and 12 in 30 cm onall the other sides of the heat pump for service see Figure 2 2 Iftheheat pump is tobe installed under a cover or under a vertical overhang the unit must havea minimum of four 4 feet 1 22 m clearance from the top of the heat pump 3 Installaminimum of five 5 feet 1 52 m from the inside wall of the pool or spa unless the heat pump is separated from the pool or spa by a five 5 foot high solid fence or other permanent barrier Canadian installations require aminimum of three 3 meters from pool water DO NOT ALLOW ROOF RUN OFF TO FLOW INTO 25 THE UNIT MAXIMIM ROOF PITCH WITHOUT A GUTTER OPEN OVER HANG AIR FLOW OUT 11 j EVAPORATOR 8 COILS A Lu SR SERVICE i cee Ite ACCESS ER SA 2 Je 24 to 36 Zi e gt T m n 12 7 ly oo LR ER i Bees 7 j Figure 2 SLAB Roof Run off Make sure the heat pump is not located where large amounts of water may run off from a roof into the unit Sharp sloping roofs without gutters will allow massive amounts of rain water mixed with debris from the roof to be forced through the unit see Figure 2 A gutter or down spout may be needed to protect the heat pump Equipment Pad Place the heat pump on
11. gt Pentair Water Pool and Spa ThermalFlo Heat Pump Installation and User s Guide IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS Customer Service If you have questions about ordering Pentair Water Pool and Spa replacement parts and pool products please use the following contact information Customer Service 8 A M to 5 P M Eastern and Pacific Times Phone 800 831 7133 Fax 800 284 4151 Technical Support Sanford North Carolina 8 A M to 5 P M Eastern Time Phone 919 566 8000 Fax 919 566 8920 Moorpark California 8 A M to 5 P M Pacific Time Phone 805 553 5000 Ext 5591 Fax 805 553 5515 Web site visit www pentairpool com or www staritepool com to find information about Pentair products 2006 Pentair Water Pool and Spa Inc All rights reserved This document is subject to change without notice 1620 Hawkins Ave Sanford NC 27330 919 566 8000 10951 West Los Angeles Ave Moorpark CA 93021 805 553 5000 Trademarks and Disclaimers The Pentair Water Pool and Spa logo IntelliTouch and EasyTouch are registered trademarks of Pentair Water Pool and Spa Inc ThermalFlo is a trademark of Pentair Water Pool and Spa Inc Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names of their products Pentair Water Pool and Spa Inc disclaims any proprietary interest in
12. heat pump and replace any part of the control system which has been submerged The heat pump will produce condensation water while in operation The heat pump base is designed to allow the condensation to exit through the bottom drain port when the unit is running The condensation will increase as the outdoor air humidity level increases Check the following at regular intervals to ensure proper condensate drainage 1 Visually inspect and clear the bottom drain ports of any debris that could clog the ports 2 Keepthetopair flow discharge and air flow intake area clear of debris so the air flow though the heat pump isnotrestricted The cooler discharge air from the top should not accumulate and be drawn into the side air intakecoils 3 Ensure that condensate run off is properly directed away from the equipment pad to keep it from undermining the pad 4 Ensure that condensate water does not puddle inside the heat pump During normal operation the heat pump produces three to five gallons of condensate per hour If condensate drainage is above this range during operation or if water continues to drain from the base when the heat pump is not in operation for more than an hour a leak in the internal plumbing may have occurred Call a qualified heat pump technician to investigate the problem ThermalFlo Installation and User s Guide 23 Professional Maintenance and Service The Pentair ThermalFlo Heat Pump is one of the most efficient w
13. pump impeller Improper plumbing valve settings Suction leak allowing air into the water flow Low water flow when switched to spa mode Unit is plumbed backwards Heat exchanger clogged with debris Internal bypass valve damaged or clogged with debris Refrigerant system malfunction Low or restricted water flow through heater Dirty or worn filters or clogged lint traps Clogged filter pump impeller Improper plumbing valve settings Suction leak allowing air into the water flow Low water flow when switched to spa mode Unit is plumbed backwards Heat exchanger clogged with debris Internal bypass valve damaged or clogged with debris Fan cycling Low water flow through heater Dirty or worn filters or clogged lint traps Clogged filter pump impeller Improper plumbing valve settings Compressor has not started yet Low water flow through heater Dirty or worn filters or clogged lint traps Clogged filter pump impeller Improper plumbing valve settings Low or restricted water flow through heater Dirty or worn filters or clogged lint traps Clogged filter pump impeller Improper plumbing valve settings Suction leak allowing air into the water flow Low water flow when switched to spa mode or the control is not in spa mode Unit is plumbed backwards Heat exchanger clogged with debris Internal bypass valve damaged or clogged with debris Your spa thermometer is not reading the correct temperature Air blower is running Venturi a
14. temperature below 45 F HI Water Temperature High Water temperature above 106 F ThermalFlo Installation and User s Guide 20 Water Pressure Switch Adjustment A CAUTION The water pressure switch should be adjusted to turn the heater off when the pump is off Setting the switch to close at too low of a flow can damage the appliance Adjust the switch to turn the heater off not on The pressure switch is preset at the factory for activation at 1 5 psi 10 kPa This factory setting works for all basic installations as shown previously on pages 7 9 10 in this manual Only adjust the water pressure switch if the heat pump does not operate when the proper flow is applied to unit or if the heat pump does not shut off when the filter pump is off Occasionally unusual plumbing configurations or necessary restrictions in the plumbing may cause pressure sensing problems In these rare situations the plumbing system configuration may require adjustment of the water pressure switch Adjustment of the pressure switch may be necessary if any part of the filter system piping is 3 feet 0 91 m or more above the top of the heat pump jacket Do not adjust the pressure switch if the heat pump is installed more than 15 feet 4 57 m above or 6 feet 1 83 m below the pool surface Consult your local Pentair Water representative for recommendations On some installations the piping from the heat pump to the pool is very short The back pres
15. ARNING RISK OF ELECTRICAL SHOCK OR ELECTROCUTION e Improperly installation will create an electrical hazard which could result in death or serious injury s to pool users installers or others due to electrical shock and may also cause damage to property S Do NOT attempt any internal adjustments inside the heater 1 Keep your hands and hair clear of the fan blades to avoid injury 2 If you are not familiar with your pool filtering system and heater a Do NOT attempt to adjust or service without consulting your dealer professional pool or air conditioning contractor b Read the entire Installation amp User s Guide before attempting to use service or adjust the heater or pool filtering system The water pressure switch should be adjusted to turn the heater off when the pump is off Setting the switch to close at too low of a flow can damage the appliance Adjust the switch to turn the heater off not on Note Turn off power to unit prior to attempting service or repair Problems and Corrective Action Possible Cause Corrective Action All control lights off Unit will not start Remote Pool or Spa light ON Water Pressure light OFF Thermostat light ON Unit will not start Water Temperature not hot enough Remote Pool or Spa light ON Water Pressure light ON Thermostat light OFF Unit will not run Remote Pool or Spa light ON Water Pressure light ON Thermostat light ON Unit will not start OR Unit i
16. AUTIONS continued Swimming Pool Energy Saving Tips It is important to note that a heat pump will not heat a pool as fast as a large gas or electric pool heater If the pool water is allowed to cool significantly it may take several days to return to the desired swimming temperature For weekend use it is more economical to maintain the pool water temperature at or near your desired swimming temperature If you do not plan to use your pool for a prolonged period then you might choose to turn the heat pump completely off or decrease the temperature setting of the control several degrees to minimize energy consumption Pentair offers the following recommendations to help conserve energy and minimize the cost of operating your heat pump without sacrificing comfort 1 The American Red Cross recommends a maximum water temperature of 78 F 25 C Use an accurate pool thermometer A difference of 4 F 2 C between 78 F and 82 F 26 C and 28 C will significantly increase energy consumption 2 Carefully monitor the water temperature of your pool in the summertime You can reduce heat pump usage due to warmer air temperatures 3 During the winter or when on vacation for longer than a week turn off the heat pump 4 Find the proper setting on the heat pump temperature control and use the Keypad Lock function to discourage further adjustments 5 Set the pump time clock to start the pump no earlier than 6 00 AM during
17. NNECTIONS ccccccccccncnnnnnnnncncnnonennnnnaninnnnnnnnnnnn nn nn nn nro nnnnnnnnnnos 10 Electrical CONNECTIONS ooooooooooocccccccccccnncnnnnnnnnncnnnononcnnnnnnnnnnnnnn nn nn nn nn ono nnnnnnnnncnnnnnnnnnns 11 General Information A 11 Main Ge OT 11 BONdING II eee ey ee 11 Electrical Wind Diagrami sist asias tai 12 Relay Remote CONTO EE 13 Connecting ThermalFlo to IntelliTouch or Easy Touch 14 ThermalFlo Installation and User s Guide Conte nts continued Section 3 Operating the Thermal FlO eccccessseeseeeeeeeeeeseeseeeeeeeeeeesesseceeeeeeeeseeeseaees 15 Initial Start up PreCautions e niri a aa e a aaa a nn nn nn a eaei 15 Operating the Controller ion diia 16 Controller Panel visionaria 16 Indicator Lights LEDS ii a di eda ee 17 System Indicator RRE 17 Mode Indicator LEDS i125 ccseeccicissessiscsscusveacwevesteesed eves severed ar a eana aeeie neeaae 17 Operation of Controller Buttons cceeeeeeeeseceeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeenetenees 18 Temperature Setting EE 18 Mode Selection Buttons 18 Auto Heat Cool Mode EE 18 PRG Ya OGIO ra ia tii ea etc cai dee ha heat tne 18 Troubleshooting the Controller geess ase ccteavece ic 19 Controller Error Codes ceeseeececncceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeetttttttteteeseeneeeeee 19 Water Pressure Switch Adjustment 2 0 ccccc eccceeeeecseececneeeeeneeeeeseeeeeeeesseoneeeeeeeseses 20 Section 4 General Maintenance
18. P 1200R 60 A Warranty Information The ThermalFlo heat pump is sold with a limited factory warranty Details are specified on the warranty card Make all warranty claims to an authorized Pentair Water dealer or directly to the factory Claims must include the heat pump serial number and model this information can be found on the rating plate installation date and name of the installer Shipping costs are not included in the warranty coverage The warranty does not cover damage caused by improper assembly installation operation winterizing field modification or failure to earth bond and properly ground the unit Any changes to the heat pump evaporator heat exchanger wiring or improper installation may void the warranty ThermalFlo Installation and User s Guide Section 1 Introduction ThermalFlo Overview The ThermalFlo heat pump gets electrical power from an external source and provides a dual electronic thermostat control system for pool spa combinations or preheat convenience ThermalFlo HP heat pumps transfer the heat from the outside air to your pool providing the most energy efficient pool and spa heating available Compared to gas oil or electric heaters ThermalFlo HP heat pumps operate up to 80 less saving you hundreds of dollars in energy costs each year Our heat pumps are not only highly efficient they re also clean and safe to operate ThermalFlo HP heat pumps are ETL listed pool heat pumps using R410 A the envir
19. SET MOTOR amp ACORN NUT KIT FAN NUT 1 4 20 SS ACORN TOP SCREW 10 X 75 PAN HEAD PHILLIPS ALMOND HEAD SCREW 10 X 1 BUTTON HEAD TORX ALMOND HEAD BLADE FAN COIL AIR EVAPORATOR MODEL 900 1200 1200R 1200C COIL AIREVAPORATOR MODEL 500 700 ORIFICE REVERSING MODEL 1200R ORIFICE MODEL 500 700 900 1200 1200C DRIER MODEL 500 700 900 1200 1200C DRIER REVERSIBLE MODEL 1200R BOLT 9 16 18 x 1 SS COIL WATER MODEL 500 COIL WATER MODEL 700 900 1200 1200R 1200C WASHER FENDER SWITCH LOW PRESSURE COMPRESSION FITTING WATER LINE MODEL 500 COMPRESSION FITTING WATER LINE MODEL 700 900 1200 1200R 1200C PROBE THERMISTOR NUT 1 4 20 HEX SS SWITCH WATER PRESSURE BRACKET TIE DOWN UNION 2 PVC MANIFOLD WATER BYPASS W HARTFORD LOOP MODEL 700 900 1200 1200R 1200C MANIFOLD WATER BYPASS W HARTFORD LOOP MODEL 500 BOLT 5 16 18 x 1 75 SS COMPRESSOR ISOLATION KIT GROMMET amp SPACER 1 SET PANEL FRONT RIGHT MODEL 500 700 PANEL FRONT RIGHT MODEL 900 1200 1200R 1200C PANEL FRONT LEFT W DECAL MODEL 500 700 PANEL FRONT LEFT W DECAL MODEL 900 1200 1200R 1200C NUT U CLIP NUT J CLIP VALVE CHECK SWITCH HIGH PRESSURE COMPRESSOR TRANE GH633 LL1 G MODEL 500 700 900 COMPRESSOR TRANE GH673 LM1 G MODEL 1200 1200R 1200C WIRE HARNESS COMPRESSOR BEZEL CONTROL BOARD W LABEL CONTROL BOARD WIRE HARNESS FAN
20. TE For spas it is also necessary to perform water changes in addition to chemical treatment It is recommended to change the spa water every 60 days for light usage and every 30 days ifusage is heavy Winterizing A CAUTION Failure to winterize could cause damage to the heat pump and will void the warranty In areas where freezing temperatures occur you should protect your pump filter and heat pump from the elements Perform the following steps to completely drain the heat pump see Figure 16 1 Turnoffthe electrical power to the heat pump at the main breaker panel Lf LTV LZZ ZZZ Sf fl LLP LLLI LT ZZ AT AT A A a 2 Shut offthe water supply to the heat pump LEF LLII Zz L Z 3 Disconnectthewaterinletandoutletunions located on the lower front panel of the heat pump ZZ Water 4 Cover only the top of the heat pump to prevent debris O Inlet Union from falling into the unit Do not wrap the sides of the heat pump with any plastic or other material that will retain heatormoisture inside the unit Figure 16 Outlet Union ThermalFlo Installation and User s Guide 22 Spring Start Up If your heat pump has been winterized perform the following steps when starting the system in the Spring 1 Ze 4 Uncover the heat pump and inspect the top and sides for any debris or structural problems Connect the water inlet and outlet unions located on the lower front
21. TRANSCEIVER O O O Q REDO svoo sto SpA SIDE REM J Listo SPASIDE REM S4 SPA SIDE REMOTE Figure 13 ThermalFlo Installation and User s Guide 15 Section 3 Operating ThermalFlo This section describes how to operate the ThermalFlo heat pump Initial Start up Precautions A CAUTION Do not use this heat pump if any part has been under water Immediately call a qualified service technician to inspect the heater and replace any part of the control system which has been under water A CAUTION Keep all objects off the top of the heat pump Blocking air flow could damage the unit and may void the warranty ATTENTION After starting the ThermalFlo heat pump please note that there is a 5 minute delay before the compressor begins operation The heat pump display will show the remaining delay time in minutes and hundredths of a minute Be sure that there is water in the pool and that the surface level is above the skimmer or other inlets of the pool s filter system The pool pump must be on and water flowing through the heat pump for it to operate With any new pool or spa installation operate the filter pump with the heat pump off long enough to completely clean the water This will remove any installation residue from the water Clean the filter at the end of this operation before starting the heat pump When raising the temperature of a cold pool program the time clock to run the pum
22. ad to unconsciousness and subsequently result in drowning A Pregnant women beware Soaking in water above 100 F 38 C can cause fetal damage during the first three months of pregnancy resulting in the birth of a brain damaged or deformed child Pregnant women should stick to the 100 F 38 C maximum rule 4 Before entering the spa or hot tub the user should check the water temperature with an accurate thermometer Spa or hot tub thermostats may err in regulating water temperatures 5 Persons with a medical history of heart disease circulatory problems diabetes or blood pressure problems should obtain their physician s advice before using spas or hot tubs 6 Persons taking medication which induce drowsiness such as tranquilizers antihistamines or anticoagulants should not use spas or hot tubs Hyperthermia occurs when the internal temperature of the body reaches a level several degrees above normal body temperature of 98 6 F 37 C The symptoms of hyperthermia include drowsiness lethargy dizziness fainting and an increase in the internal temperature of the body The effects of hyperthermia include Unawareness of impending danger Failure to perceive heat Failure to recognize the need to leave the spa Physical inability to exit the spa Fetal damage in pregnant women SA FS ba gt Unconsciousness resulting in danger of drowning ThermalFlo Installation and User s Guide IMPORTANT SAFETY PREC
23. alves are open or in the proper positions to allow proper water flow to the heat pump Verify filter and skimmers are clean Check for water level in the pool This condition may also appear if the heat pump has not been operated for an extended period To clear the condition cycle the heat pump on and off up to 3 times If this does not correct the problem call for service Check that fan is operating and air is coming out of the top of the heat pump while short cycling If heat pump does not run at all call for service ThermalFlo Installation and User s Guide 28 Section 6 Replacement Parts Illustrated Parts AAA DETAIL A ThermalFlo Installation and User s Guide 29 Replacement Parts List Item No Part No OND OF WD 43 470439 473368 470441 470289 473285 473134 470159 470161 473223 470135 470136 473144 473145 473121 473139 98219800 473416 473417 473295 473175 473116 473117 471566 071406 473605 470137 473381 473320 473424 473294 473026 473412 473431 470419 470434 470281 470284 R172305 473172 473024 473025 470147 473425 473409 473422 473155 473423 473150 473149 470146 473315 473135 473136 473606 Part Description NUT 10 32 SS ACORN GUARD FAN FASTENER KIT FAN GUARD 1
24. amp COMPRESSOR TERMINAL BLOCK TRANSFORMER WIRE HARNESS MAIN RELAY FAN CONTACTOR CAPACITOR WIRE HARNESS SENSOR TERMINAL BLOCK VALVE REVERSING MODEL 1200R NOT SHOWN SOLENOID REVERSING MODEL 1200R NOT SHOWN WATER PRESSURE SWITCH BOOT ThermalFlo Installation and User s Guide 30 Notes ThermalFlo Installation and User s Guide gt gt Pentair Water Pool and Spa P N 473426 Rev C 10 19 06
25. ays to heat a pool or spa The heat pump transfers heat from the outside air to the pool or spa water by means of an internal heat exchanger When the fan is turned on warm air is drawn through the R410A refrigerant charged air coil turning the cold liquid refrigerant to a warm gas The gas then flows through the reciprocating compressor which increases the pressure and refrigerant temperature The hot refrigerant gas enters the water to gas heat exchanger where the water is heated and returned to the pool During this heat exchange process the refrigerant is cooled and returned to the air coil and the cycle repeats NOTE Themaximum heat output and efficiency ofa heat pump is dependentupon the quality and performance of the major components used As equally important are the environmental conditions for example air temperature humidity water temperature and wind COLD AIR OUT WATER INLET Cold EVAPORATOR pill ail COIL Warm Figure 16 Typical Heating Cycle ThermalFlo Installation and User s Guide 24 ThermalFlo Installation and User s Guide 25 Section 5 Troubleshooting Use the following troubleshooting information to resolve possible problems with your ThermalFlo heat pump A W
26. djustment Increase set point temperature Maximum water temperature is 104 F Call your dealer for advise Call the factory for advise Do not try to operate the heater when the outside air temperature drops below 50 F Make sure heater is installed with the required placement clearances for air flow and roof clearance Do not install indoors Make sure that your sprinklers do not spray on the heater in any way what so ever If ice forms on the outer coil shut the heater off and allow ice to thaw You may use water at low pressure to thaw ice build up on the outer coil shut the heater off when doing so Call the factory for advice ThermalFlo Installation and User s Guide 26 Remote Pool or Spa light ON Water Pressure light ON Thermostat light OFF EO1 Error Unit will not run Remote Pool or Spa light ON Water Pressure light ON Thermostat light ON Unit is cycling on amp off Remote Pool or Spa light ON Water Pressure light ON Thermostat light ON Fan is not turning Unit will not start All control lights ON Fan is turning no cool air discharging out the top of heater Unit is not heating Spa will not heat to maximum temperature of 104 F Thermostat is turned all the way up OR Spa is heating very slowly Pool is heating very slowly Pool is not getting up to temperature Low or restricted water flow through heater Dirty or worn filters or clogged lint traps Clogged filter
27. eat pump is turned off 1 Remove the front left panel of the heat pump cabinet you do not need to remove the torque head screw at the top left corner 2 Removethe service panel to the heat pump electrical compartment front left corner of unit LA Electrical supply lines must be run through watertight conduit Run the wires and conduit from the power source and connect them to the conduit connection on the left side of the heat pump Connect the power leads to the terminals on the main contactor as shown in the wiring diagram Verify that all other contactor wires are secure they may have loosened during shipment Connect the ground wire to the ground lug provided on the bottom of the electrical compartment Replace the service panel and reinstall screws to hold it in place Replace the front left panel oe Soe A Connect a copper bonding wire 8 AWG to the bonding lug on the left side of the heat pump Bonding A CAUTION This heater must be connected to a bonding grid with a solid copper wire not smaller in diameter than 8 ga The National Electrical Code and most other codes require that all metallic components of a pool structure including reinforcing steel metal fittings and above ground equipment be bonded together with a solid copper conductor not smaller than 8 AWG The heat pump along with pumps and other pool equipment must be connected to this bonding grid A bonding lug is provided on the left side of the heat p
28. erclockwise direction until the Water Pressure Indicator LED is On Remember that there is a time delay before the heat pump compressor will start 6 Once the heat pump is running turn offthe filter pump The heat pump should turn offimmediately 7 Ifthe heat pump continues to operate when the filter pump is off turn the adjustment wheel on the water pressure switch in a clockwise direction until Water Pressure Indicator LED is Offand the heat pump stops 8 Check the setting of the water pressure switch by starting and stopping the filter pump and checking the control display and operation of the heater between each flow change 9 Ifthe water pressure switch cannot be adjusted to accommodate the conditions listed above an external flow switch must be added to the plumbing system to ensure that the heat pump will not operate without the proper flow through the heat exchanger ThermalFlo Installation and User s Guide 21 Section 4 General Maintenance Water Chemistry Proper chemical balances are necessary for sanitary bathing conditions as well as ensuring your heat pump s long life Be sure to keep your chemical and mineral concentration levels within the values indicated in Table 1 Failure to maintain proper water chemistry may void the warranty Concentration levels taken from Basic Pool and Spa Technology published by NSPI National Spa and Pool Institute Table 1 Optimal Water Chemistry Ranges NO
29. he warmer months and a gas heater during the cooler months In some situations it may be desirable to run the heat pump in the Chiller mode if so equipped during the hottest portion of the year and a heater during the cooler months The Pentair Water heat pump may be used in conjunction with a gas or electric heater or any combination of heat sources including solar All heat sources must be plumbed in series to work correctly and efficiently A recommended plumbing layout for a heat pump heater solar combination heating system for a pool spa combination is shown in Figure 8 Your system may not contain all ofthese components but the basic plumbing will apply by eliminating the component in the illustration that is not a part of your system HEATER POOL j RETURN HEAT PUMP VALVE FROM SOLAR HS E POOL D NTARE TO SOLAR e O SPA FILTER i i RETURN a V e 7 E eg Ce Se C 20 Cl ewe O Der d SPA L SPA f a INTAKE DRAIN Figure 8 ThermalFlo Installation and User s Guide 10 Multiple Heat Pump Connections All plumbing on multiple heat pump installations must be done in parallel see Figures 9 and 10 An equal flow of water to each heat pump is important for optimum operation NOTE It may be necessary to adjust water pressure switch if a unit is installed below the water level See page 20 for details on when and how to adjust the pressure switch Each heat pump allows a maximum f
30. ir inlets are open Itis very cold outside Spa pump is not running Low or restricted water flow through heater Dirty or worn filters or clogged lint traps Clogged filter pump impeller Improper plumbing valve settings Suction leak allowing air into the water flow It is cold outside Pool pump timer is not set for a long enough running period Pool is not covered High wind speed over pool Shaded pool area ThermalFlo Installation and User s Guide Possible Cause Corrective Action Clean entire filtering system and or replace filter element Inspect amp clean pump impeller Adjust all plumbing valves Repair suction air leaks grease pump lid o ring Replace filter Wrong filter pump pipe size Automatic pool vacuum causing restriction Recharge refrigerant if required Call your dealer for advise Call the factory for advise Clean entire filtering system and or replace filter element Inspect amp clean pump impeller Adjust all plumbing valves Repair suction air leaks grease pump lid o ring Replace filter Wrong filter pump pipe size Automatic pool vacuum causing restriction Call your dealer for advise Call the factory for advise Clean entire filtering system and or replace filter element Inspect amp clean pump impeller Adjust plumbing valves Adjust water pressure switch Call the factory for advice Wait for the 5 minute compressor time delay Clean entire filtering system and or replace filter element I
31. labeled emergency switch shall be provided as part of the installation The switch shall be readily accessible to the occupants and shall be installed at least 5 feet 1 52 m away adjacent to and within sight of the unit ThermalFlo Installation and User s Guide IMPORTANT SAFETY PRECAUTIONS continued Consumer Information and Safety The ThermalFlo series of heat pumps are designed and manufactured to provide many years of safe and reliable service when installed operated and maintained according to the information in this manual and the installation codes referred to in later sections Throughout the manual safety warnings and cautions are identified by the AA symbol Be sure to read and comply with all of the warnings and cautions A WARNING The U S Consumer Product Safety Commission warns that elevated water temperature can be hazardous See below for water temperature guidelines before setting temperature A WARNING The following Safety Rules for Hot Tubs recommended by the U S Consumer Product Safety Commission should be observed when using the spa 1 Spa or hot tub water temperatures should never exceed 104 F 40 C A temperature of 100 F 38 C is considered safe for a healthy adult Special caution is suggested for young children Prolonged immersion in hot water can induce hyperthermia 2 Drinking of alcoholic beverages before or during spa or hot tub use can cause drowsiness which could le
32. low rate of 125 gpm and requires a minimum of 30 gpm 24 inches min clearance around evap 4 SS 24 7 Check Valves are optional on heater inlets but will help system balancing Extend12 past end heater inlet for hydraulic balancing OPTIONAL Flow Meter 2 Check Valve Bypass ke Extend12 past end heater inlet for hydraulic balancing Flow Meter Figure 9 Two Heat Pump Plumbing Layout 24 inches min clearance around evap ae S 24 2 PVC Pipe Pool Pump ese e e 2 e Check Valves are optional on heater inlets Le 2 PVC but will help for system Pipe H t balancing D DS Extend12 past end heater inlet for hydraulic balancing b je N d N N A I H 1 I 1 H L i H i I i i L z AAA ll E y E 1 e2 W 7 je 2 PVC 4 t fo PVG sec Pipe t y Pipe t ll lt I gt I I Lei H al i A Extend12 past 3 PVC Ge 7 Lf 3 PVC Pee end heater inlet gt I Tu I CT j for hydraulic balancing l t J M K Flow Meter As 3 Ball Valve Bypass Be ZS 4 Flow Meter To Pool A t Pool Pump Minimum A 3 PVC Pipe Figure 10 Four Heat Pump Plumbing Layout The
33. mp must be protected from back siphoning of water If there is any chance of back siphoning provide a check valve between the pool and the heat pump outlet A CAUTION The chlorinator placement water balance and where chemicals are added are very important aspects of the installation Failure to protect the heat pump unit from chemical damage is not covered under the warranty When an automatic chemical feeder is installed in the plumbing it must be installed downstream of the heat pump A check valve must be installed between the heat pump and the chemical feeder to prevent back siphoning of chemically saturated water into the heat pump where it will damage the components Automatic Flow Control Valve The inlet outlet header of the ThermalFlo HP heat pump comes equipped with an internal automatic flow control valve The automatic flow control valve maintains the proper flow through the heat pump at rates up to 125 gpm 475 Ipm If the filter system flow rate is higher than 125 gpm 475 Ipm install a manual bypass valve see Figure 6 on page 7 NOTE Be advised that if your circulation pump is over 2 HP or if the total flow exceeds 125 gpm you will have to add an external bypass valve Excess water flow will damage the heat exchanger ThermalFlo Installation and User s Guide Multiple Unit Installation Heat Pump Heater and or Solar Combination In certain regions ofthe country 1t may be more economical to run a heat pump during t
34. n to display or adjust the pool setpoint and the SPA LED must be on to display or adjust the spa setpoint a WATER PRESSURE THERMOSTAT HEATING A E02 E03 E04 COOLING Lt LO HI AUTO HEAT COOL ERROR CODES Low Refrigerant Pressure High Refrigerant Pressure Remote Error Switch Fault Thermistor Error Water Temperature Low Water Temperature High gt Pentair Water Pool and Spa REMOTE POOL SPA POWER MODE TEMPERATURE SETTING A E PRESS ANY ARROW ONCE TO CHECK SET TEMPERATURE gt y Figure 15 Main Control Panel ThermalFlo Installation and User s Guide 17 Indicator Lights LEDs Nine lights can be seen from the front of the control panel Five are system indicators and four are mode indicators These lights help the operator and service person understand the operation of the heat pump and aid in troubleshooting problems System Indicator LEDs 1 WATER PRESSURE On when in REMOTE POOL or SPA mode and sufficient water is flowing through the heatpump THERMOSTAT On when the controlleris calling for heating or cooling HEATING On when heat pump is configured for heating COOLING On when heat pump is configured for cooling AUTO HEAT COOL On when switch SW1 located on the back of the controller board is in the AU position This indicates that the heat pump can operate as a heater and a cooler Only used on Model HP 1200R
35. nnot be responsible for such water loss or flooding or the damage caused by either occurrence POOL HEATER Z ok FILTER CHEMICAL LOOP 2LB cd CHEMICAL RESISTANT lay S d CHECK VALVE KE CHEMICAL FEEDER N 345 13 POOL PUMP DO a p SS EE bo MANUAL BYPASS VALVE d SCC e AS ta TO POOL OR SPA Figure 6 Standard Plumbing Layout BOLT ANCHOR installer provided ThermalFlo Installation and User s Guide Water Connections at the Heat Pump Two inch Quick Connect fittings have been installed on the water inlet and outlet connections see Figure 7 Filtered cool water is plumbed to the inlet located on the right side of the heat pump front panel Heated water flows through the outlet located on the left side ofthe heat pump front Plastic piping PVC Schedule 40 should be connected to the heat pump The unions provided with the unit accept 2 in PVC pipe A CAUTION Make sure that flow requirements and pool water turnover rates can be maintained with the installation of EE Figure 7 additional heat pumps and plumbing restrictions Check Valve Installation The heat pu
36. nspect amp clean pump impeller Adjust plumbing valves Call factory or dealer Clean entire filtering system and or replace filter element Inspect amp clean pump impeller Adjust all plumbing valves Repair suction air leaks grease pump lid o ring Shut off air blower and or Venturi inlets that allow air turbulence in the spa Use a cover while heating the spa Outside air temp too cold Set spa pump timer for longer time Call your dealer for advice Call the factory for advice Clean entire filtering system and or replace filter element Inspect amp clean pump impeller Adjust all plumbing valves Repair suction air leaks grease pump lid o ring Use a pool cover Place a wind break around pool Set pool pump timer longer Call your dealer for advice Call the factory for advice Compressor will not start Fan comes on compressor attempts to start but unit shuts all the way off and or circuit breaker trips Water running from the bottom of the heater when it is running OR The heater seems to have a water leak Heat pump does not run and control board display shows HIGH REFRIGERANT PRESSURE EO2 Error Heat pump does not run or short cycles and control board display shows LOW REFRIGERANT PRESSURE E01 Error Low or restricted water flow through heater Dirty or worn filters or clogged lint traps Clogged filter pump impeller Improper plumbing valve settings Suction leak allowing air into the water flow
37. of the heat pump in the locations indicated in Figure 4 2 in undercut notched area on either side E LC 4 Fitthe hook ofeach clamp over the lip on the base panel ofthe hear Se HEAT PUMP CLAMPS CLAMPS heat pump The hook should fit between the lip of the base panel and the evaporator coil guard see Figure 5 5 Marktheposition ofthe hole ineach clamp onthe equipment pad Figure 4 ThermalFlo Installation and User s Guide Anchor Clamp s Installation continued AIR COIL GUARD 6 Drill a hole in the cement using a masonry drill bit with a pn diameter as determined by the concrete anchor at each of the marks onthe equipment pad The hole should be approximately 1 in deep 1 3 8 HEX BOLT installer provided HEAT PUMP ANCHOR CLAMP 7 Insertabolt anchor into each ofthe holes Be sure the anchors RE are setcompletely into the holes 8 Positionthe anchor clamps so that the holes inthe clamps are over the boltanchors Be sure that the clamp hooks are over the lip of the heat pump base see Figure 5 9 Insert an anchor bolt through each clamp into the anchor and tighten to secure the clamp andheat pump to the equipment pad Figure 5 Water Connections Plumbing layout See Figure 6 illustrating the standard plumbing layout with a single heat pump unit Following the diagram from right to left the plumbing sequence is as f
38. ollows Pool gt Skimmer and Main Drain gt Pool Pump gt Filter gt Heat Pump gt Check Valve gt Chemical Loop gt Chlorinator gt Pool NOTE For normal installations do not install a shut off valve or any kind of variable restriction in the water piping between the heat pump outlet and the pool spa The heat pump must be protected from back siphoning of water If there is any chance of back siphoning provide a check valve between the pool and the heat pump outlet Arrangement of pool system components other than as illustrated in Figure 6 and the following diagrams can affect the operation of the heat pump s water pressure switch Location of the heat pump above or below the pool water surface can also affect operation of the switch In general the pressure switch can be adjusted to accommodate this effect ifthe heat pump water connections are no more than six 6 feet below the pool water surface or no more than fifteen 15 feet above it See instructions for pressure switch adjustment page 20 in the heat pump start up section of this manual for more information Ifthe heat pump is installed outside of this range an external pressure switch may need to be installed in the plumbing upstream of the heat pump Call the Pentair Water Heat Pump Technical Service department at 800 831 7133 for details Be advised that when pool equipment is located below the pool surface a leak can result in large scale water loss or flooding Pentair ca
39. onmentally safe and clean refrigerant The non polluting ThermalFlo HP Heat Pump is so energy efficient it will keep your pool comfortably warm for far less than gas or electric heaters This heat pump is specifically designed for heating fresh water swimming pools and spas Do not use it as a general service heater Consult your dealer for the appropriate Pentair Water products for these applications ThermalFlo ThermalFlo Installation and User s Guide General Features e Dual digital thermostats offer precise temperature control to maintain the desired separate water temperatures in pool spa combinations without overheating or wasting energy Long life corrosion resistant composite cabinet stands up to severe climates and pool chemicals e High efficiency Trane compressor is the most energy efficient durable and quiet compressor available e Self diagnostic control panel monitors and troubleshoots heat pump operations to ensure safe dependable operation e Cupronickel heat exchanger resists external corrosion and heat loss Each unit undergoes a finishing process to ensure corrosion resistance and long life e Elevated base pan for positive drainage of condensation e 2 inch plumbing connections for easy installation e Separate isolated electrical compartment prevents internal corrosion extends heater life e Compatible with IntelliTouch and Easytouch control systems e ETL listed for safe operation
40. ons can result in severe injury death or property damage Call 800 831 7133 for additional free copies of these instructions Codes and Standards The ThermalFlo HP heat pump is listed by ETL as complying with the latest edition of the UL Standard for Safety for Heating and Cooling Equipment UL 1995 and CSA C22 2 No 236 All Pentair Water heat pumps must be installed in accordance with the local building and installation codes as per the utility or authority having jurisdiction All local codes take precedence over national codes In the absence of local codes refer to the latest edition of the National Electric Code NEC in the United States and the Canadian Electric Code CEC in Canada for installation A DANGER Risk of electrical shock or electrocution The electrical supply to this product must be installed by a licensed or certified electrician in accordance with the National Electrical Code and all applicable local codes and ordinances Improper installation will create an electrical hazard which could result in death or serious injury to pool or spa users installers or others due to electrical shock and may also cause damage to property Read and follow the specific instructions inside this guide A WARNING To reduce the risk of injury do not permit children to use this product unless they are closely supervised at all times A WARNING For units intended for use in other than single family dwellings a clearly
41. p continuously This lets the filter system and heat pump operate continuously until the water reaches the temperature setting on the temperature control When that happens the heat pump will automatically shut off but the filter pump will keep running V N N i SN N ES N LE l is d A mi Figure 14 ThermalFlo Installation and User s Guide 16 Operating the Controller An advanced microprocessor based controller that provides a sophisticated yet simple interface to operate your heat pump for maximum efficiency and enjoyment of your pool controls the ThermalFlo HP heat pump It will control incoming water temperature between a minimum of 60 and a maximum of 104 F The controller also serves as system status indicator using LED lights and error codes see Figure 15 During normal operation the controller displays the temperature ofthe water returning to the heat pump Changing the desired pool or spa temperature is easily done by simply pressing the appropriate Up or Down arrow until the display reads the desired temperature The display returns to current water temperature when setpoint adjustment is complete To display the current setpoint simply touch the appropriate Up or Down arrow The display will momentarily display the current setpoint Note that the POOL LED must be o
42. panel of the heat pump Turn on the filter pump to supply water to the heat pump Open the filter air bleeder and circulate water through the system long enough to bleed all the air out of the pool system Check for leaks in and around the heat pump Turn on the electrical power to the heat pump at the main breaker panel Inspection and Service Pentair Water Heat Pumps are designed and constructed to provide long performance life when installed and operated properly under normal conditions Periodic inspections are important to keep your heat pump running safely and efficiently through the years Owner Inspection Pentair Water recommends that you inspect your heat pump on a continual basis and especially after abnormal weather conditions The following basic guidelines are suggested for your inspection 1 Make sure the front ofthe unitis accessible for future service 2 Keepthetop and surrounding areas of the heat pump clear of all debris 3 4 Keeplawnsprinkler heads from spraying on the heat pump to prevent corrosion and damage Useadeflector Keep all plants and shrubs trimmed and away from the heat pump ifneeded Ifthe unit is installed undera very sharp roof pitch or under aroof withouta gutter a gutter or diverter should be fitted to prevent excessive water from pouring down into the unit Do not use this heat pump if any part has been under water Immediately call a qualified professional technician to inspect the
43. pe WITHIN A 6 FT RANGE The heater is designed to handle the wettest weather conditions that are typical of rain and humidity etc Sprinkler heads force high pressure water into the unit from the side at an odd angle Most sprinkler systems are connected to a well system Most well water is high in minerals sulphur and other aggressive contaminates These contaminates will leave a build up on the evaporator coils and electronics causing corrosion and hamper the efficiency If you are located within 15 miles of the coast salt may also be in the well water Figure 3 Anchor Clamp s Installation In Florida building codes require that the heat pump be anchored to the equipment pad or platform to withstand high wind pressures created during hurricanes This heat pump is provided with anchor clamps designed to hold the unit to the equipment pad in high wind conditions Installation of the anchor clamps are recommended in all installations and are required in Florida See Florida Building Code 301 13 To install the anchor clamps 1 Be sure that the heat pump is in its permanent location on the equipment pad 2 Remove the anchor clamps from the installation and instruction package Note Bolts and bolt anchors are not included with the heat pump The installer must provide 1 4 x 1 3 8 stainless steel anchor bolts and the appropriate size concrete anchor to mount the clamp to the equipment pad 3 Place the clamps at the base
44. re 12 on the previous page CIRCUIT BOARDS STANDARD SPECIAL PURPOSE RELAY OUTPUTS INTAKE po ELECTRIC HEATER TRANSFORMER TO GAS HEATER TERMINALS FOR ACTUATOR SOLAR BOOSTER PUMP FACTORY WIRING REMOTE CONTROL OPERATION OR 2 SPEED FILTER PUMP OUTPUT 12VAC 18VAC 24VAC TO FIREMAN S SWITCH CONNECTION RETURN ACTIVATES WITH SPA MODE CAUTION Aane THERMOS TAr HIGA EE OPTIONAL FILTER PUMP AND AUXILIARY RELAYS 1 de 1 OR OTHER SAFETY DEVICES A OR SOLAR RELAY 1 FILTER PUMP LOW VOLTAGE CIRCUIT BREAKERS ACTUATOR i5 SYSTEM AUX 1 4 CLNR AUX 3 Lo 18V 24V VALVE AUX VALVE i7 3 SYSTEM AUX 1 6 CLNR AUX 4 EXPANSION 19 3 SYSTEM AUX 1 8 CLNR AUX 5 OPTIONAL MODULE ACTUATOR a a AUX Ec g pen bz Gaby LEC SOLAR FILTER auxa Jaux2 auxa auxa auxs AUXG AUx7 aux 8 E d 8 S g AUX VALVE gt ee rota as is __1 SL l seso D E r 7 AND EE fess i9 3 ACTUATOR Saal 24 AN revacjavadzerad 10K OHM THERMISTOR SENSORS AUX VALVE S El WATER SENSOR ACTUATOR g COM PORTS GN p 7 meio ONLY 7019 0NLY7 Bes SOLAR SENSOR Evy L USE EITHER rs AIR SENSOR zomig OR BOTH BLe ors 1r 2vT3c a8 errpre ir ev 161 17 2 3 14 5 6 NATERTSOLAR AIR leal GGG Ell L posescajesscocabesesssssssgiossss 4321 SPA SIDE REMOTE 1 SPA SIDE REMOTE 2 AUXILIARY SENSOR SWITCH INPUTS TEMP SENSORS TEMP SENSORS HAVE NO POLARITY RED BLK WIRES ARE INTERCHANGEABLE Se ee EL 2 GRN 3 BLK JD exo INDOOR CONTROL INDOOR CONTROL pA Y 0 Bu mn 2 BRAA RF TRANSCEIVER RF
45. rmalFlo Installation and User s Guide 11 Electrical Connections A WARNING Risk of electrical shock or electrocution gt This heat pump contains wiring that carries high voltage Contact with these wires could result in death or serious injury to pool or spa users installers or others due to electrical shock and may also cause damage to property Always disconnect power circuit before connecting the heat pump A CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing General Information Wiring connections must be made exactly as shown in the wiring diagram found on the inside of the heat pump access panel see Figure 11 on page 12 The heat pump must include a definite means of grounding and bonding There is a ground lug inside the heat pump electrical compartment and a bonding lug on the left side of the heat pump Main Power Electrical wiring to the heat pump must be in accordance with the latest edition of the National Electric Code NEC ANSI National Fire Protection Association NFPA 70 in the United States and in Canada the Canadian Electrical Code CEC C22 1 unless local code requirements indicate otherwise All wiring must be done by a certified electrician The following is the procedure to wire the ThermalFlo HP to the electrical source Be sure the power to the circuit for the h
46. s forming ice or frost on the outer air coil usually at the bottom Low water flow through heater Dirty or worn filters or clogged lint traps Clogged filter pump impeller Improper plumbing valve settings Suction leak allowing air into the water flow Internal water pressure switch failure Thermostat is not set higher than the pool spa water temperature The water temperature has reached the current setting The thermostat is malfunctioning The pool spa select switch is not in the correct mode Outside air temperature below operating range of 45 F Discharge air flow is restricted Discharge air is accumulating and being drawn back through the outer air coil The fan is obstructed low air flow Large amounts of roof run off water restricting fan blade rotation Sprinklers spraying on the outer air coil during cooler temperatures Outer air coil clogged with debris Plants too close to heater blocking air flow Low refrigerant pressure caused by a Freon leak Possible malfunctioning of the internal low refrigerant pressure switch No power supply to heater Tripped breaker or Reset breaker Replace fuse Call dealer for advise blown fuse Control failure Call factory for advise Clean entire filtering system and or replace filter element Inspect amp clean pump impeller Adjust plumbing valves Repair suction air leaks grease pump lid o ring Replace filter Replace water pressure switch Check water pressure switch a
47. sure could be too low to trigger the pressure switch If this happens it may be necessary to install a directional fitting or elbows where the return line enters the pool This will increase back pressure enough for the heat pump to operate properly If this configuration is necessary be sure to check that the system flow is above the minimum requirement of 30 gpm after the direction fitting or elbow has been installed Make sure the pool filter is clean before making any pressure switch adjustment A dirty filter will restrict the water flow and the pressure switch cannot be adjusted properly To adjust the pressure switch 1 Besure that all valves inthe system are set to allow water flow through the heat pump Start the filter pump 2 Set the heat pump control to call for heat Set the On Mode switch on the heat pump control to the ON position 3 Ifthe heat pump control water pressure indicator LED is Off then the flow in the system may be below the minimum flow of 30 gpm needed for the safe operation of the heat pump Investigate and correct any flow problems before adjusting the water pressure switch Ifthe flow is above 30 gpm and the light is Off adjustment is required 4 Removethe heat pump s left front panel andremove remaining right front panel The water pressure switch is located in the water plumbing in the lower right corner of the heat pump 5 Slowly rotate the adjustment wheel on the water pressure switch in a count
48. the pool heating season This is the time when nightly heat loss balances 6 Where possible shelter the pool from prevailing winds with well trimmed hedges or other landscaping cabanas or fencing 7 Always use a pool cover when practical Besides providing a valuable safety feature a pool cover will reduce heat loss conserve chemicals and reduce the load on filter systems ThermalFlo Installation and User s Guide vi IMPORTANT SAFETY PRECAUTIONS continued General Installation Information 1 Installation and service must be performed by a qualified installer or service agency and must conform to all national state and local codes 2 The ThermalFlo heat pump gets electrical power from an external source and provides a dual electronic thermostat control system for pool spa combinations or preheat convenience 3 This heat pump is specifically designed for heating fresh water swimming pools and spas Do not use it as a general service heater Consult your dealer for the appropriate Pentair Water products for these applications General Specifications Installation Location Certified for use Outdoor use only Water Pipe Heater Connection Plastic 2 PVC Unions included Flow Rate Maximum 125 gpm 475 lpm Minimum 30 gpm 110 lpm Maximum Working Water Pressure 50 psi Electrical Supply Voltage Requirements 1 Phase 208 230 VAC 60Hz Requirements 1 Phase HP 500 50 A HP 700 50 A HP 900 60 A HP 1200 60 A H
49. ump to ensure this requirement is met ThermalFlo Installation and User s Guide 12 Wiring Diagram 460812 460813 460814 460815 460822 460804 10K Thermistor Heat Pump Control Board REMOTE Z TEMPERATURE EA THERMISTER e Pentair Water Pool and Spa Switch factory set to H for 460812 460813 ora eversing Valve on 460814 460815 set to C for 460804 and set to AU for 460822 on back of circuit board 4 BLUE YELLOW YELLOW WHITE WHITE WHITE BLACK BLACK RED Noa 8 o gt w Water Pres Sw Hi Ref Pres Sw Lo Ref Pres Sw L rj T Capacitor 31duNd S PURPLE Contactor S Compressor BLACK PURPLE Incoming 220 VAC Power Connection Figure 11 ThermalFlo Installation and User s Guide Transformer YELLOW COM ORANGE 208 VAC 240 VAC 473073 13 Relay Remote Controls Electrical wiring must be in accordance with the latest edition ofthe NEC NFPA 70 in the United States and CEC CSA 22 1 in Canada unless local code requirements indicate otherwise To connect remote control equipment to the heat pump perform the following steps 1 2 Nn RON Turn offthe power to both the remote pool spa control system and the heat pump
50. which causes it to start and stop as necessary to maintain water temperature at the spa setpoint 4 POWER MODE button On the heat only and cool only heat pump models the POWER MODE button turns off the heat pump Models HP 500 HP 700 HP 900 HP 1200 and HP 1200C On auto heat and cool units Model HP 1200R the POWER MODE button switches the heat pump between OFF HEATING COOLING and AUTO HEATING COOL configurations Auto Heat Cool Mode Applicable to Model HP 1200R ThermalFlo heat pumps only The Model HP 1200R ThermalFlo heat pump has the ability to operate as a heater cooler and to automatically switch back and forth between heating and cooling This is controlled by the POWER MODE button The POWER MODE button causes the heat pump to switch from HEATING to COOLING to AUTO HEAT COOL to Off Keypad Lockout To lockout the control panel in any operating mode press and hold the REMOTE and SPA down buttons simultaneously All control panel buttons will be disabled If any button is pressed the display will indicate Loc for a few seconds To unlock the keypad press and hold the REMOTE and SPA down buttons simultaneously again ThermalFlo Installation and User s Guide 19 Troubleshooting The control panel contains a three digit LED display These LEDs display temperatures lock out status and error codes The error codes are listed below CON CON E03 Pool and Spa remote inputs on simultaneously EE CE p CN aaa Water

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