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Theralux Theratherm - User Manual

Theralux Theratherm
22 pages
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- 1 - A Division of:
Theratherm
Swimming Pool/Spa Heat Pump
User and Service manual

Questions and Answers

  • S
    Samantha StoutAug 17, 2025
    What to do if my Theralux Swimming Pool Pump has low pressure protection?
    • B
      Brian ReillyAug 18, 2025
      If your Theralux Swimming Pool Pump shows a low-pressure protection error, it could be due to several reasons. First, there might be a refrigerant leak, so check for any gas leakage and refill the refrigerant if needed. Second, insufficient water flow could be the issue, possibly due to a jammed filter or pump, so clean the air exchanger. Finally, inspect the filter and pump for any blockages.
  • S
    Sheila Black DVMAug 20, 2025
    Why does my Theralux Theratherm Swimming Pool Pump have high pressure protection?
    • M
      Michael BaileyAug 20, 2025
      If your Theralux Swimming Pool Pump is experiencing high-pressure protection, it may be due to a couple of reasons. It's possible that the refrigerant level is too high; in this case, you should discharge the excess refrigerant from the HP gas system. Another potential cause is insufficient airflow. Try cleaning the air exchanger to improve airflow.
  • P
    Paul LoweryAug 22, 2025
    Why is the temperature difference too high between inlet and outlet of my Theralux Swimming Pool Pump?
    • A
      Anthony HenryAug 23, 2025
      If the temperature difference between the water inlet and outlet of your Theralux Swimming Pool Pump is too high, it may be due to insufficient water flow or a low-water pressure difference. To resolve this, check the water flow volume, backwash the filter, and inspect the baskets.
  • T
    Troy JohnsonAug 26, 2025
    What to do if cooling outlet water temperature is too low in my Theralux Theratherm Swimming Pool Pump?
    • M
      Mary BowenAug 26, 2025
      If the cooling outlet water temperature of your Theralux Swimming Pool Pump is too low, the water flow volume might not be sufficient. To fix this, check the water flow, backwash the filter, and inspect the baskets.
  • E
    Eric GilesAug 28, 2025
    How to fix a closed flow switch on my Theralux Swimming Pool Pump?
    • S
      Steven HenryAug 28, 2025
      If the flow switch is closed on your Theralux Swimming Pool Pump, it could be caused by low water flow, incorrect flow direction, or a failure of the flow switch itself. You should check if the water flow is sufficient and in the right direction. Also, inspect the flow switch to ensure it is functioning correctly.
  • T
    Troy KlineAug 31, 2025
    What does first grade antifreeze protection mean for my Theralux Swimming Pool Pump in winter?
    • K
      Kelsey StewartAug 31, 2025
      During winter, if your Theralux Swimming Pool Pump activates first-grade antifreeze protection, it means the ambient or water inlet temperature is too low. The water pump will run automatically for first grade antifreeze.
  • K
    Karen CortezSep 3, 2025
    What does second grade antifreeze protection mean for my Theralux Theratherm Swimming Pool Pump in winter?
    • C
      carsonmarySep 3, 2025
      If your Theralux Swimming Pool Pump activates second-grade antifreeze protection during winter, it indicates that the ambient or water inlet temperature is too low. The heat pump will start heating for second grade antifreeze.
  • D
    Dana NunezSep 5, 2025
    How to fix inlet water temperature sensor failure in my Theralux Theratherm Swimming Pool Pump?
    • A
      angie87Sep 5, 2025
      If your Theralux Swimming Pool Pump displays an inlet water temperature sensor failure, it's likely that the sensor is either in an open or short circuit. To resolve this, check or change the sensor.
  • M
    Mary TurnerSep 8, 2025
    What to do if my Theralux Theratherm Swimming Pool Pump shows heating condenser sensor failure?
    • B
      Bobby WilsonSep 8, 2025
      If your Theralux Swimming Pool Pump shows a heating condenser sensor failure, it indicates that the sensor is either in an open or short circuit. You can fix this by checking or changing the sensor.
  • T
    Thomas HughesSep 12, 2025
    How to solve gas return sensor failure in my Theralux Swimming Pool Pump?
    • K
      kingamandaSep 12, 2025
      If your Theralux Swimming Pool Pump is showing a gas return sensor failure, it means the sensor is likely in an open or short circuit. To address this, check or replace the sensor.

Summary

Specifications

Installation and Connection

Heat Pump Location Requirements

Guidelines for choosing an optimal location for the heat pump, considering air flow and distances.

Check-Valve Installation for Protection

Importance of installing check-valves to protect the heat pump from chemical corrosion.

Bypass Assembly Adjustment

Procedure for adjusting the bypass assembly for optimal heat pump performance.

Electrical Connection Procedure

Instructions for safely connecting the electrical supply to the heat pump.

Initial Operation and Start-up

Step-by-step guide for the initial start-up and operation of the heat pump.

Electrical Wiring

Wiring Diagram for Theratherm 9.5

Detailed electrical wiring diagram for the Theratherm 9.5 model.

Wiring Diagram for Theratherm 13.5

Detailed electrical wiring diagram for the Theratherm 13.5 model.

Wiring Diagram for Theratherm 18.5 & 25

Detailed electrical wiring diagram for the Theratherm 18.5 and 25 models.

Display Controller Operation

Troubleshooting

LED Controller Error Code Reference

A table listing error codes displayed on the LED controller and their reasons/solutions.

Maintenance

Warranty

Theralux Theratherm Specifications

General IconGeneral
BrandTheralux
ModelTheratherm
CategorySwimming Pool Pump
LanguageEnglish

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