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Pentair ULTRATEMP - User Manual

Pentair ULTRATEMP
56 pages
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IMPORTANT SAFETY INSTRUCTIONS
READ AND FOLLOW ALL INSTRUCTIONS
SAVE THESE INSTRUCTIONS
UltraTemp
®
Heat Pump
Installation
and
User's Guide
AHRI Performance Certified

Table of Contents

Other manuals for Pentair ULTRATEMP

Preview: Installation And User Guide
Installation And User Guide37 pages

Questions and Answers

  • J
    Jeffrey HolderAug 14, 2025
    What to do if Pentair ULTRATEMP shows a low water flow alarm?
    • M
      Melinda JohnsonAug 14, 2025
      If your Pentair Heat Pump displays a low water flow alarm, it means the pressure switch isn't sensing water flow. Here's what you can check: * Ensure the water circulation pump is running. * See if filters are dirty, worn, or lint traps are clogged. Clean or replace filters and inspect the pump impeller. Adjust plumbing valves and repair any suction air leaks. * Confirm that any external water bypass around the heat pump is closed. * Check the water pressure switch resistance with water flowing. If it's open, replace the switch.
  • J
    Julia GambleAug 17, 2025
    What to do if Pentair ULTRATEMP Heat Pump displays low water temperature alarm?
    • B
      Billy GreenAug 17, 2025
      If your Pentair Heat Pump shows a low water temperature alarm (water temperature below 40° F), it could be due to a bad thermistor, a faulty control board, or debris shorting the connections. Start by verifying the water temperature. If the temperature is incorrect, test the thermistor using the 10k ohm resistance test and replace it if necessary. If the thermistor is good, replace the control board. Also, remove any debris or replace the PCB.
  • J
    Joseph VegaAug 21, 2025
    How to troubleshoot high water temperature alarm on Pentair Heat Pump?
    • J
      Jill BennettAug 21, 2025
      If you're getting a high water temperature alarm on your Pentair Heat Pump (water temperature above 108° F), the issue might stem from a bad thermistor or a faulty control board. First, verify the water temperature to ensure it's actually incorrect. If it is not correct, use the 10k ohm resistance test to check the thermistor. Replace the thermistor if it's defective; otherwise, consider replacing the control board.
  • J
    Julie BakerAug 25, 2025
    Why Pentair ULTRATEMP shows brownout alarm?
    • J
      Jeremy Johnson Jr.Aug 25, 2025
      A brownout alarm on your Pentair Heat Pump indicates that the 24 VAC supply voltage to the control board is low. This can be due to: * A bad transformer: the voltage supplied to the transformer should be between 208 and 260 volts, and the transformer's output should be between 24 and 28 volts. Replace the transformer if the voltage is outside this range. * Insufficient supply voltage to the heat pump: the supply voltage should be between 208 and 260 volts. Check for a missing phase, ensuring 120 volts to ground and 240 volts across the power legs. Consider installing a boost transformer near the heat pump to maintain proper voltage levels.
  • M
    Madison StewartAug 27, 2025
    How to fix water temperature sensor short circuit on Pentair ULTRATEMP Heat Pump?
    • A
      Angela AguilarAug 28, 2025
      If your Pentair Heat Pump indicates a short in the water temperature sensor circuit, it could be caused by a bad thermistor or a faulty control board. Use the 10k ohm resistance test to check the thermistor. If the test shows a short, replace the thermistor. If the thermistor is good, replace the control board.
  • T
    Teresa JenkinsAug 31, 2025
    Why Pentair Heat Pump shows water therm open alarm?
    • C
      Crystal LeeAug 31, 2025
      If your Pentair Heat Pump displays a 'water therm open' alarm, it means the water temperature sensor circuit is open. This can be due to a bad thermistor or a faulty control board. Use the 10k ohm resistance test to verify the thermistor. If the test shows an open circuit, replace the thermistor. If the thermistor tests okay, then replace the control board.
  • D
    Daniel RiveraSep 3, 2025
    What causes suction therm short alarm on Pentair Heat Pump?
    • K
      Kimberly MccallSep 3, 2025
      A 'suction th short' alarm on your Pentair Heat Pump indicates that the defrost refrigerant temperature sensor circuit is shorted. This is often due to a bad thermistor or a faulty control board. Use the 10k ohm resistance test to check the thermistor. If the test shows a short, replace the thermistor. If the thermistor is good, replace the control board.
  • B
    Brian JonesSep 7, 2025
    How to troubleshoot suction th open alarm on Pentair ULTRATEMP?
    • J
      Jodi WoodwardSep 7, 2025
      If your Pentair Heat Pump displays a 'suction th open' alarm, the defrost refrigerant temperature sensor circuit is open, possibly due to a bad thermistor or a faulty control board. Use the 10k ohm resistance test to verify the thermistor. If the test indicates an open circuit, replace the thermistor. If the thermistor is functioning correctly, consider replacing the control board.
  • S
    Susan PopeSep 10, 2025
    What does remote pool spa alarm mean on Pentair Heat Pump?
    • R
      Richard MorganSep 10, 2025
      The 'Remote Pool Spa' alarm on your Pentair Heat Pump indicates that the pool and spa remote inputs are energized simultaneously. This happens when the remote pool, spa, and common spade terminals on the back of the control board are all energized. To resolve this, modify the automation control output, ensuring that only either the pool and common or spa and common terminals are energized at any one time.

Summary

Important Safety Precautions

Codes and Standards

Details compliance with safety standards and codes for installation.

Risk of Electrical Shock

Warns about electrical hazards during installation and use, emphasizing qualified personnel.

Consumer Safety Rules

Provides safety guidelines for spa and hot tub use, including temperature limits and precautions.

Installation

Installation Requirements

Outlines general requirements and procedures for installing the heat pump by qualified personnel.

Unit Dimensions and Location

Clearances and Site Preparation

Water Connections and Plumbing

Explains standard plumbing layouts and water connection procedures for the heat pump.

Electrical Connections and Bonding

Covers wiring requirements, main power connection, and essential bonding procedures.

Water Pressure Switch Adjustment

Operating the Heat Pump

Initial Start-up Precautions

Control Panel Overview and Operation

Explains the main control panel layout, buttons, display, and basic operational functions.

General Maintenance

Water Chemistry Guidelines

Winterizing Procedures

Inspection and Service

Troubleshooting

Electrical Shock Warning

Issues a critical warning about electrical hazards and advises against internal adjustments.

Problems and Corrective Actions

Lists common fault conditions, their possible causes, and recommended corrective actions.

Pentair ULTRATEMP Specifications

General IconGeneral
ModelULTRATEMP
TypeHeat Pump
Frequency60 Hz
Heating Capacity140, 000 BTU/h
RefrigerantR410A
Voltage230V
Sound Level68 dB

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