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Raypak 3450 Series, Installation And Operation Manual, Page: 1 / 52

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Raypak 3450 Series Installation And Operation Manual Download Page 1

Catalog No. 6000.56C   

       Effective: 01-12-18  

Replaces: 11-20-17  

92-105917-01-04

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.

Heat Pump 

Pool & Spa  

Heater

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.

Model Series

2450, 3450, 4450, 

5450, 6450, 

6450PD, 6450HC, 

8450 & 8450HC

 

INSTALLATION AND 

OPERATION MANUAL

Summary of Contents for 3450 Series

Page 1: ...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 requi...

Page 2: ...phone number of the professional and licensed entity that performed the installation for you Fig i Model and Serial Number Location With all of the above information in hand please contact us and ask...

Page 3: ...ntrolled they can lead to excessive chlorine level which can damage your heater Further advice should be obtained from your pool or spa builder accredited pool shop or chemical supplier for the correc...

Page 4: ...Defrost Operation 32 3 Way Valve Control 32 Battery Back up 33 High Water Temperature Limit 33 High Pressure Switch Lockout 33 Low Pressure Switch Lockout 33 Water Pressure Switch 33 Sequence of Oper...

Page 5: ...red safe for a healthy adult Special caution is suggested for young children 2 Drinking of alcoholic beverages before or during spa or hot tub use can cause drowsiness which could lead to unconsciousn...

Page 6: ...aporator coil and discharged through the top grille Allow at least 5 ft 1 5 m clearance above the unit for unrestricted air discharge DO NOT install the unit under a porch or deck Refer to Fig 1 Recir...

Page 7: ...e freezing tempera tures can be encountered drain the water circuit to prevent possible freeze up damage Refer to Freeze Protection section on page 35 for proper procedures If the location of the HPPH...

Page 8: ...CING TO ANY ADJACENT ANCHOR NOTE CHECK I O MANUAL FOR MINIMUM PAD DIMENSIONS AND SCREW LENGTH U O N N T S MECHANICAL UNIT FRONT ISOMETRIC N T S MECHANICAL UNIT BACK ISOMETRIC A B D CONCRETE SLAB BY OT...

Page 9: ...MMATICAL PURPOSES ONLY CONTROL COVER 18 GA ASTM A653 PAINTED DIM 1 DIM 2 DIM 4 DIM 3 CLIP A CLIP B CLIP D CLIP C CONTROL BOX CLIP OFFSET DIMENSION SHALL BE TAKEN FROM THIS SIDE ONLY N T S TIE DOWN CLI...

Page 10: ...Y 18 GA ASTM A653 PAINTED CONTROL COVER N T S ELEVATION TIE DOWN CLIPS B D A C 3000 PSI MIN CONCRETE BY OTHERS TYP ANCHOR PER SCHEDULE LOUVER PANEL TYP UNIT BASE PAN UNIT BASE PAN UNIT BASE PAN INTERN...

Page 11: ...d page 31 of this manual for installation information An earth ground lug is located to the right side of the water connections Water Connections 1 Connect the heat pump pool heater in the return wate...

Page 12: ...irculation to continue Please refer to the plumbing diagrams starting on page 42 for further instruction Please note that some municipalities do not allow the use of a shut off valve on the effluent o...

Page 13: ...rol Yes or No and 3 Auxiliary control Yes or No and then what type External Heat Auxiliary Output or Remote Output Once these choices are made then additional information relating to the establishing...

Page 14: ...oted on the display in HEAT ONLY POWER DEFROST and HEAT COOL configurations the default values and range of adjustable values as well as a brief description of the feature of 6 hours maximum Pressing...

Page 15: ...On 4 speed pumps this denotes the selected pump output which connects to the pump for the selected speed for this pump period On Variable speed pumps this denotes the PWM signal to be provided to the...

Page 16: ...for this scheduled pump period Suction Valve 3 PoolSpa Pool User Select the position of the 3 way valve located between the Pool Spa and the Pump for this scheduled pump period Pump On Time 4 12 00A...

Page 17: ...pumps this denotes the PWM signal to be provided to the pump for pump operation Return Valve 1 Pool Spa Pool Installer Select the position of a 3 way valve located between the HPPH and the Pool Spa f...

Page 18: ...led 0 100 if Variable Enabled Installer On 4 speed pumps this denotes the selected pump output which connects to the pump for the selected speed for this pump period On Variable speed pumps this denot...

Page 19: ...temperature It is displayed whenever EXV is enabled Water Temp View Only degrees F or C Installer Service Displays the water temperature sensor value used for temperature operation Installer Menu Yes...

Page 20: ...sabled Type 1 Type 2 Installer Service Sub menu Set at the factory on new units Select Disabled if unit equipped with TXV for board replacement EXV Type 1 is 500 step EXV EXV Type 2 is 1600 step EXV C...

Page 21: ...way valve located between the HPPH and the Pool Spa for this scheduled pump period Suction Valve 1 Pool Spa Pool Installer Select the position of the 3 way valve located between the Pool Spa and the...

Page 22: ...led 0 100 if Variable Enabled Installer On 4 speed pumps this denotes the selected pump output which connects to the pump for the selected speed for this pump period On Variable speed pumps this denot...

Page 23: ...XV is enabled Water Temp View Only degrees F or C Installer Service Displays the water temperature sensor value used for temperature operation Installer Menu Yes or No No Select YES and press the MENU...

Page 24: ...ure Set Model Type HEAT ONLY POWER DEFROST HEAT COOL HEAT COOL Installer Service Sub menu Set at the factory Will need to be set by Installer during any replacement of the control board EXV Disabled T...

Page 25: ...a Pool Installer Select the position of a 3 way valve located between the HPPH and the Pool Spa for this scheduled pump period Suction Valve 1 Pool Spa Pool Installer Select the position of the 3 way...

Page 26: ...led 0 100 if Variable Enabled Installer On 4 speed pumps this denotes the selected pump output which connects to the pump for the selected speed for this pump period On Variable speed pumps this denot...

Page 27: ...XV is enabled Water Temp View Only degrees F or C Installer Service Displays the water temperature sensor value used for temperature operation Installer Menu Yes or No No Select YES and press the MENU...

Page 28: ...specific outside temperature is measured Off allows operation at any ambient temperature Set Model Type HEAT ONLY POWER DEFROST HEAT COOL HEAT COOL Installer Service Sub menu Set at the factory Will n...

Page 29: ...or Spa setpoint as selected in the Operating mode The heat demand begins when the water temperature is 0 5 F 0 3 C or more colder or 0 5 F 0 3 C or more hotter in cooling mode than the setpoint Additi...

Page 30: ...heater gas HPPH or solar This feature is ideal for when using a HEAT PUMP GAS HEATER combo where a Gas Heater will be providing back up heating for your Heat Pump Pool Heater Gas Heaters are usually...

Page 31: ...when operating in this mode This func tionality will override all other program settings for the period of time selected by the user during the TIMED SPA initiation WARNING If the Spa heating in a po...

Page 32: ...e ambient temperatures and cur rent and baseline coil temperatures when the coil temperature drops below the Defrost Temp set in the Installer Service sub menu Factory default is 35 F 1 6 C The contro...

Page 33: ...them to be in a different state The rating of the control contacts is 0 75A at 24VAC maximum WARNING If the Spa heating in a pool spa system is controlled by an external controller 3 way valves MAY n...

Page 34: ...ol temperature Additionally as mentioned earlier the unit is compatible with most 2 wire and 3 wire control automation systems Digital Controls Operating Instructions The electronic board has the capa...

Page 35: ...ith the single screw at the top center of each panel 5 Backwash or otherwise clean the pool filter If necessary clean the skimmer basket and pump strainer 6 Set the valves to ensure proper water flow...

Page 36: ...extracts humidity from the air as it passes through the coil similar to the way a cold drink outside sweats on a hot day This condensation drains from the bottom of the unit 1 Routinely check to be s...

Page 37: ...vernight Are rapid heat losses occurring in some other way such as high wind spillage rainfall flow through solar panels at night or a high water table B UNIT IS NOT RUNNING Is the temperature display...

Page 38: ...the compressor is under a 3 minute delay before turning On This can be bypassed by pressing the UP and DOWN buttons simultaneously Nothing wrong just notification as to why the unit is not currently...

Page 39: ...ut Compressor not operating due to low 24VAC power supply Voltage must be greater than 17VAC for 4 seconds before compressor operation is enabled Check supply power to unit and check 24VAC from transf...

Page 40: ...D E or F This operation changes all adjustable settings to factory default settings Enter the Installer Service Mode by holding the MENU and UP buttons for 3 seconds Scroll through the information unt...

Page 41: ...to give access inside the unit NOTE The top of the unit may also be removed for greater access as desired Fig 11 Sheet Metal Screws to remove Junction Box Panel 10 After service reposition the juncti...

Page 42: ...Fig 12 Plumbing Schematic No External Bypass Plumb the heat pump pool heater AFTER the filter and BEFORE any chlorinators NOTE Models 2450 4450 For systems with pumps less than 1 1 2 HP under 40 gpm 1...

Page 43: ...FTER the filter and BEFORE any chlorinators NOTE Models 2450 4450 For systems with pumps of 1 1 2 HP or greater over 40 gpm 151 lpm Models 5450 8450 For systems with pumps of 2 HP or greater over 80 g...

Page 44: ...44 Fig 14 Pool Piping for Heat Pump Pool Heater and Gas Pool Heater...

Page 45: ...1 2 20 GPM 1 1 2 1 1 2 20 GPM 1 1 2 2 30 1 1 2 1 1 2 30 1 1 2 2 1 2 30 1 1 2 3 40 1 1 2 2 40 1 1 2 3 Sizing based on10 ft sec flow rates MINIMUM PIPE SIZES 2 UNITS 3 4 UNITS 5 6 UNITS 5450 8450 BRANC...

Page 46: ...46 Wiring Diagram 208V 230V Single Phase Digital Models NC NO COM L1 L2 L2 BK TO TRANSFORMER R BK L2 L1 INSERT A VOLTAGE MONITOR W BL BK O R...

Page 47: ...hold the UP and DOWN buttons for 3 seconds to enter the Remote Mode 4 When in the Remote Mode the maximum setpoint is the SPA MAX TEMP Spa POOL MAX TEMP Pool 5 Press and hold the UP and DOWN buttons...

Page 48: ...sed for thermostat decisions is the average of the 2 thermistors 10K sensors are used for the Ambient Air Temperature sensor the Coil Temperature sensor and Aux Heat Temperature sensor field supplied...

Page 49: ...49 NOTES...

Page 50: ...50 NOTES...

Page 51: ...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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