Raypak 3450 Installation And Operation Manual
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Raypak 3450 Installation And Operation Manual

Heat pump pool & spa heater
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INSTALLATION AND
OPERATION MANUAL

Heat Pump

Pool & Spa
Heater
Model Series
2450, 3450, 4450,
5450, 6450,
6450PD, 6450HC,
8450 & 8450HC
FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and
liquids or other combustible materials in the vicinity of this or any other appliance.
To do so may result in an explosion or fire.
NOTE: The instructions in this manual are for the use of qualified individuals specially trained and experienced
in the installation and maintenance of this type of equipment and related system components. Installation and
service personnel are required by some states to be licensed. Persons not qualified shall not attempt to install,
service, or maintain this equipment.
This manual should be maintained in legible condition and kept adjacent to the heat pump pool heater or in a
safe place for future use.
Catalog No. 6000.56C
Effective: 01-12-18
Replaces: 11-20-17
92-105917-01-04

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  • Page 1: Heat Pump

    OPERATION MANUAL Heat Pump Pool & Spa Heater Model Series 2450, 3450, 4450, 5450, 6450, 6450PD, 6450HC, 8450 & 8450HC FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and liquids or other combustible materials in the vicinity of this or any other appliance.
  • Page 2 This unit is equipped with a QR Code on the rating plate, as shown in Fig. i, which will take you to the www.raypak.com website where the IO manual and other documents can be easily accessed. NAMEPLATE...

  • Page 3: Water Chemistry

    Water Chemistry (Corrosive water voids all warranties) For your health and the protection of your pool equipment, it is essential that your water be chemically balanced. The following levels must be used as a guide for balanced water. Recommended Level(s) Fiberglass Pools Fiberglass Spas Other Pool &...

  • Page 4: Table Of Contents

    ontents Water Chemistry 3-Way Valve Control Warnings Battery Back-up Pay Attention to These Terms High Water Temperature Limit Introduction High Pressure Switch Lockout Installation Considerations Low Pressure Switch Lockout Electrical Connections Water Pressure Switch Water Connections Sequence of Operation Pressure Drop Digital Controls Operating HPPH Control Display Instructions...

  • Page 5: Warnings

    Charging Chart are available 5. Persons with a medical history of heart disease, at https://www.raypak.com/customer-support/heat- circulatory problems, diabetes, or blood pressure pump-charging-charts. These should only be used problems should obtain a physician’s advice...

  • Page 6: Introduction

    Introduction Installation Considerations WARNING: Do not install the unit within 3 ft WARNING: This pool/spa heat pump pool heater (0.9m) of fossil fuel burning heaters. Air intake is an electromechanical machine that incorporates along the sides of this heat pump pool heater a pressurized refrigerant gas in a sealed system.
  • Page 7 60” (1.52m) MIN 3 FT AIR FLOW OUT (09.m) 12” (0.3m) FLOW FLOW HEATER Fig. 1: Installation Clearances • It is important to keep the area next to the heat pump pool heater clear of shrubs, bushes and chemicals containers. They could prevent air from circulating fully through the heat pump pool heater, and will affect the operation of the heat pump pool heater or damage the heat pump pool...
  • Page 8 Fig. 3: Hurricane Tie Down Instructions – 2450...
  • Page 9 Fig. 4: Hurricane Tie Down Instructions – 3450 - 4450...
  • Page 10 Fig. 5: Hurricane Tie Down Instructions – 5450 - 8450...

  • Page 11: Water Connections

    10 AWG 8 AWG 6 AWG 4 AWG 2450 208/230-1-60 77 ft 123 ft 197 ft 312 ft 500 ft 3450 208/230-1-60 94 ft 151 ft 239 ft 383 ft 4450 208/230-1-60 89 ft 142 ft 225 ft 359 ft...

  • Page 12: Pressure Drop

    70/265 valve on the effluent/outlet side. This is allowed by 80/303 Raypak and can also double as your protection from chemical feeders & chlorinators that our Note: Multiply the pressure drop in psi by 2.3067 to yield the downstream of the unit.

  • Page 13: User Modes

    controlled by the HPPH control. These include: (1) Pump control (Yes or No and then what type of control – 4-speed control or variable speed control), (2) 3-way valve control (Yes or No), and (3) Auxiliary control (Yes or No and then what type – External Heat, Auxiliary Output or Remote Output).

  • Page 14: Hpph Control Menus

    of 6 hours maximum). Pressing the DOWN setpoint temperature for this duration. At the end button will decrease the timer by 15 minute of the timed period, the unit will automatically go increments. The timer will start and the unit will to the last operational state (POOL HEAT, POOL begin heating as necessary to maintain the Spa COOL, POOL AUTO, SPA, or OFF).

  • Page 15: User Menu — Heat Only, Power Defrost And Heat/Cool Models

    Control Settings NOTE: The User Menu is exactly the same for Heat ONLY, Power Defrost and Heat/Cool models. Table C: USER MENU — Heat ONLY, Power Defrost and Heat/Cool Models Default Item Range Access Level Description Value Selects current time – “A” or “P” will Set Current 12:00A–11:59P User...
  • Page 16 Default Item Range Access Level Description Value Return Valve 2 Pool/Spa Pool User Select the position of a 3-way valve located between the HPPH and the Pool/Spa for this scheduled pump period. Suction Valve 2 Pool/Spa Pool User Select the position of the 3-way valve located between the Pool/Spa and the Pump for this scheduled pump period.

  • Page 17: Installer/Service Menu Heat Only Configuration

    The Installer/Service menu is used by Installers and Service personnel to set up and troubleshoot the HPPH. This menu is accessed by pressing and holding the UP and MENU buttons for 3+ seconds. WARNING: This menu should never be used by the end user as changes can affect proper operation of the unit. Table D: INSTALLER/SERVICE MENU —...
  • Page 18 Default Item Range Access Level Description Value Select OFF time for Pump Period #3 Pump Off Time 3 12:00A–11:59P Installer to stop. On 4-speed pumps, this denotes the selected pump output (which connects to the pump for the selected speed) 1–4 if 4-Speed Enabled for this pump period.
  • Page 19 Default Item Range Access Level Description Value Press UP or DOWN buttons to access Voltage Installer/ additional temperature measurements. Up/ Down for Service More Displays the 24VAC voltage as Installer/ Voltage View Only – VAC measured by the control board. Service Displays the coil temperature sensor View Only –...
  • Page 20 Default Item Range Access Level Description Value This is the temperature measured on Installer/ 20°F–35°F 24°F the coil when the control goes into Defrost Temp Service Sub- (-6.5°C–1.5°C) (-4°C) Defrost mode. menu Defrost terminates when the coil Installer/ 5°F–20°F 10°F temperature is greater than the Defrost Deadband Service Sub-...

  • Page 21: Installer/Service Menu Power Defrost Configuration

    Table E: INSTALLER/SERVICE MENU — POWER DEFROST Configuration Default Item Range Access Level Description Value Selects current time – “A” or “P” will Set Current indicate whether the set time is AM 12:00A–11:59P Installer Time or PM. Only available if Pump Operation in the Installer’s Menu is set to Pump Periods 0–4...
  • Page 22 Default Item Range Access Level Description Value Select OFF time for Pump Period #3 Pump Off Time 3 12:00A–11:59P Installer to stop. On 4-speed pumps, this denotes the selected pump output (which connects to the pump for the selected speed) 1–4 if 4-Speed Enabled for this pump period.
  • Page 23 Default Item Range Access Level Description Value Press UP or DOWN buttons to access Voltage Installer/ additional temperature measurements. Up/ Down for Service More Displays the 24VAC voltage as Installer/ Voltage View Only – VAC measured by the control board. Service Displays the coil temperature sensor View Only –...
  • Page 24 Default Item Range Access Level Description Value Select ON time for AUX1 to take Installer/ effect. AUX1 On Time 12:00A-11:59P Service Sub- menu Select OFF time for AUX1 to stop. Installer/ AUX1 Off Time 12:00A-11:59P Service Sub- menu Select ON time for AUX2 to take Installer/ effect.

  • Page 25: Installer/Service Menu Heat/Cool Configuration

    Table F: INSTALLER/SERVICE MENU — HEAT/COOL Configuration Default Item Range Access Level Description Value Selects current time – “A” or “P” will Set Current indicate whether the set time is AM 12:00A–11:59P Installer Time or PM. Selects unit operation when controlled Remote Pool Heat, Cool, Auto Cool...
  • Page 26 Default Item Range Access Level Description Value Select OFF time for Pump Period #3 Pump Off Time 3 12:00A–11:59P Installer to stop. On 4-speed pumps, this denotes the selected pump output (which connects to the pump for the selected speed) 1–4 if 4-Speed Enabled for this pump period.
  • Page 27 Default Item Range Access Level Description Value Press UP or DOWN buttons to access Voltage Installer/ additional temperature measurements. Up/ Down for Service More Displays the 24VAC voltage as Installer/ Voltage View Only – VAC measured by the control board. Service Displays the coil temperature sensor View Only –...
  • Page 28 Default Item Range Access Level Description Value Installer/ AUX1 On Time 12:00A-11:59P Select ON time for AUX1 to take effect. Service Sub-menu Installer/ AUX1 Off Time 12:00A-11:59P Select OFF time for AUX1 to stop. Service Sub-menu Installer/ AUX2 On Time 12:00A-11:59P Select ON time for AUX2 to take effect.

  • Page 29: Control Settings

    Temperature Control The user can access these control settings by pressing and holding the MENU button for 5+ seconds. Any The control uses the appropriate Pool or Spa setpoint changes to values are stored into the non-volatile as selected in the Operating mode. The heat demand memory when the MENU button is pressed –...

  • Page 30: Aux Mode

    es or decreases the value and press the MENU button 2. REMOTE OUT – When REMOTE OUT is selected, to lock in that value. The cursor moves to the next digit the AUX1 output is used to control another pool for setting.

  • Page 31: Remote Pool Operation

    The 2 stage (HPPH) demand is initiated when WARNING: If the Spa heating (in a pool/spa water temperature has remained more than 0.5°F system) is controlled by an external controller, 3-way (0.3°C) colder than the heat setpoint for more than valves MAY need to be manually adjusted in order to 2 hours, or when the water temperature is 1.5°F use the TIMED SPA feature of this HPPH.

  • Page 32: Compressor Start Delay

    Compressor Start Delay (1.6°C). The control shuts off the fan and activates the The control is equipped with a compressor start delay reversing valve so the hot refrigerant gas is directed to to prevent short-cycling of the compressor. the coil to defrost the coil. When the coil sensor sees control will not energize a compressor unless the temperatures above the “Def Terminate”...

  • Page 33: Battery Back-Up

    Water Pressure Switch outputs will not change until there is an active request for them to be in a different state. The control monitors the water pressure switch (or flow switch - if so equipped). If the pump has run for The rating of the control contacts is 0.75A at 24VAC 3+ seconds, there is a demand for compressor and the maximum.

  • Page 34: Instructions

    Digital Controls Operating 9. The user may select “ON” for several operating modes depending on the unit type. Each mode Instructions is selected by pressing the MENU button to The electronic board has the capability of memorizing cycle between the modes. Each press of the two different programmed temperature settings as MENU button selects the next mode.

  • Page 35: System Start-Up

    System Start-Up NOTE: If the pool pump and heat pump pool heater 1. Verify that the Digital Board is displaying a shut OFF before the water temperature is raised to temperature and the pool pump is running and the desired level, you must lengthen the running time water is circulating properly.

  • Page 36: Air Coil Cleaning

    3. Use a wet/dry vac or air pressure to remove excess water - as necessary. 4. Once the water is drained, reinstall the drain plugs. DRAIN 5. Cover the unit with a waterproof cover. HOLES Continuous Pump Operation It is also possible in some areas to prevent unit freeze damage by operating the pump continuously during freezing weather.
  • Page 37 How many hours per day is the unit operating? C. CONDENSATION SEEMS EXCESSIVE Remember that the heat pump pool heater only Heat pump pool heaters can produce a large amount operates while the pool pump is running. Set the of condensation (water) during operation. If you time clock to permit 24 hour per day operation.

  • Page 38: Operational Status Messages

    Troubleshooting • Fuse is not blown (3A Automotive “ATO” type fuse Before troubleshooting the system, ensure that: for 24VAC) • That a system ground is properly connected to the • All mechanical and electrical connections are heater. Nuisance shutdowns are often caused by secure and tight a poor or erratic ground.

  • Page 39: Error Messages

    The following error messages are displayed in Pool, Spa, and Remote modes. Consecutive identical faults are only stored once in the Fault History. Table H: Error Messages Error Message Description Troubleshooting Amb Sensor Fail Ambient temperature sensor is OPEN or Replace Amb Temperature sensor.

  • Page 40: Service Call Verification

    Error Message Description Troubleshooting Control Fault 7 Interrupt Error. Auto reset in 1 hour or Recycle control – replace control if fault continues. Control Fault 8 Time of Day Clock Failure. If the control is unable to read the time of day clock, it logs the fault and disables scheduled pump and aux output settings.
  • Page 41 3. Remove the multi-pin connectors from the back of 10. After service, reposition the junction box and insert the control board (8 connectors in total) – NOTE: the top first and lift up until the bottom slides into You do not need to remove the PL4 connector as place against the cabinet and the panel where the this is the ribbon cable from the membrane switch Inlet/Outlet water connections are secured.

  • Page 42: Plumbing Diagrams

    Plumbing Diagrams Fig. 12: Plumbing Schematic – No External Bypass (Plumb the heat pump pool heater AFTER the filter and BEFORE any chlorinators.)
  • Page 43 Fig. 13: Plumbing Schematic – External Bypass (Plumb the heat pump pool heater AFTER the filter and BEFORE any chlorinators.)
  • Page 44 Fig. 14: Pool Piping for Heat Pump Pool Heater and Gas Pool Heater...
  • Page 45 Fig. 15: Pool Piping for Heat Pump Pool Heaters, Multiple, Primary/Secondary...

  • Page 46: Wiring Diagram — 208V/230V Single-Phase — Digital Models

    Wiring Diagram — 208V/230V Single-Phase — Digital Models BK (TO TRANSFORMER) VOLTAGE MONITOR INSERT A...

  • Page 47: Installing A Remote Control Device

    Installing a Remote Control allow heating & cooling of the pool around the SETPOINT value established in the USER mode Device (HEAT/COOL models only). The control will use this value as the Heating setpoint and the Cooling Setpoint will be the SETPOINT + COOLING DEADBAND (established in the INSTALLER menu).
  • Page 48 Resistance Sensor Values Other Sensors Water Sensor 10K Sensor Resistance Values 100K Sensor Resistance Values Temperature ºF (ºC) Resistance (Ω) Temperature ºF (ºC) Resistance (Ω) 32 (0) 32550 32 (0) ----- 41 (5) 25340 41 (5) 253950 50 (10) 19870 50 (10) 199040 59 (15)
  • Page 49 NOTES...
  • Page 50 NOTES...
  • Page 51 NOTES...
  • Page 52 Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (805) 278-5468 Heat Pump Service 1-800-260-2758 Litho in U.S.A.

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