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Tivok T-HP38AB - User Manual

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Installation and Operation Manual
Tivok Energy Heat Pump Models:
T-HP38AB
T-HP72AB

Table of Contents

Questions and Answers

  • I
    Ian HoltAug 18, 2025
    Why is my Tivok T-HP38AB Heat Pump not turning on?
    • R
      Rachel CarlsonAug 18, 2025
      If your Tivok Heat Pump isn't turning on, it could be due to a few reasons. First, there might be an issue with the power source itself, so it's recommended to cut off the power source and check it. Another possibility is a loose power wire connection, which requires checking the power wire connection. Lastly, a burnt-out power fuse could be the culprit, so you should check the fuse to see if it needs replacing.
  • M
    Martin FloydAug 20, 2025
    What to do if my Tivok T-HP38AB Heat Pump compressor is not operating?
    • S
      Sandra GarciaAug 20, 2025
      If the compressor in your Tivok Heat Pump isn't operating, several factors could be the cause. It could be due to a power source fault, in which case you should check the power source and change any faulty components. Another cause could be a damaged compressor AC contactor, which would need to be replaced. Also, check every wire connection to the compressor, as a loose wire connection could be the problem. Other potential causes include over-heat protection (check for a gas leakage), high water temperature (bring down the water temperature value), or low water flow volume (clean the filter, check if air is inside the water system, and check the water flow switch).
  • T
    twilkersonAug 23, 2025
    What to do if Tivok T-HP38AB Heat Pump water pump is running but no water circulating?
    • S
      savannahbrownAug 23, 2025
      If the water pump in your Tivok Heat Pump is running but no water is circulating, or if the pump is making excessive noise, here's what you can check: First, make sure there's enough water in the system by filling water into the water supply system. Air trapped in the water system can also cause these issues, so discharge air from the water system. Ensure that all the valves in the system are fully opened. Finally, a blocked water filter can restrict water flow, so clean the water filter.
  • O
    Olivia DunnAug 26, 2025
    How to fix low water flow protection on Tivok T-HP38AB?
    • B
      Brandon SchmidtAug 27, 2025
      If your Tivok Heat Pump is showing a low water flow protection error, here are some things to investigate: First, check the operation of the circulation pump and fix any issues. The circulation pump might be too small, in which case you should change to a bigger pump. Also, clear any blockages in the water path or filter. Ensure that the flow controller is set correctly; adjust or change the water flow control device if necessary. Finally, the flow switch itself might be faulty, so replace flow switch.
  • C
    Christopher MooreAug 28, 2025
    Why is the compressor discharge pressure high on my Tivok T-HP38AB Heat Pump?
    • E
      Elizabeth FordAug 28, 2025
      If your Tivok Heat Pump is experiencing high compressor discharge pressure, it could be due to low water flow. Check the circulation pump, water path, and filter. Another potential cause is that the thermostatic expansion valve opening is not correct or is blocked. Check and adjust the openings or replace expansion valve.
  • S
    Scott BlevinsAug 30, 2025
    Why is the fan not operating on my Tivok Heat Pump?
    • C
      Chad HarrisAug 30, 2025
      If the fan in your Tivok Heat Pump isn't working, there are a few things you can check. A loose fan motor wire could be the issue, so check every wire connection to the fan. The fan motor itself might have burnt out, requiring you to change the motor. Lastly, a fault in the fan AC contactor could be the cause, so change the AC contactor.
  • H
    Hector JonesSep 2, 2025
    What causes low heating capacity in a Tivok Heat Pump?
    • J
      Joseph FitzgeraldSep 2, 2025
      If your Tivok Heat Pump has a low heating capacity, it could be due to: * Refrigerant deficiency: a refrigerant leak in system, find & fix leak then refill refrigerant. * Bad insulation on water system: improve heat preservation. * Low evaporator heat transfer: wash the evaporator. * Low water flow: ensure clear water path & clean water filter.
  • D
    djohnsonSep 4, 2025
    Why does my Tivok T-HP38AB have heavy frosting and low heating capacity?
    • N
      ndaySep 4, 2025
      If your Tivok Heat Pump is experiencing heavy frosting and low heating capacity, several issues could be responsible. The evaporator may be too dirty, so wash evaporator. A defrost sensor fault could also be the issue, in which case you should change the defrost sensor. An internal 4 way valve fault is another possibility; check the solenoid to see if it is energised. Finally, the defrosting duration might be too long, so change the temperature for entering defrosting mode and duration.
  • C
    Courtney FordSep 7, 2025
    Why is my Tivok T-HP38AB compressor making a loud noise?
    • I
      Isaiah RoseSep 7, 2025
      If you are hearing a loud noise coming from the compressor of your Tivok Heat Pump, it could be because liquid refrigerant entered into the compressor. Check if the thermostatic expansion valve is faulty. Another possibility is that the interior component of the compressor is faulty, in which case you should change the compressor.
  • P
    proctorallisonSep 10, 2025
    What to do if my Tivok T-HP38AB compressor is overheating and making noise?
    • A
      Alan ClarkSep 10, 2025
      If the compressor in your Tivok Heat Pump is making loud noises and overheating, it could be due to a possible low lubricant oil level. Refill with suitable oil for the compressor. Alternatively, the compressor itself might be faulty, so replace compressor.

Summary

INTRODUCTION

GENERAL INFORMATION

Provides an overview of the heat pump and its applications.

DOCUMENT SCOPE

Outlines the manual's content and user responsibilities before installation.

FEATURES AND BENEFITS

WIDE RANGE OF APPLICATIONS

Details the various uses and heating capabilities of the heat pump.

DURABLE AND LONG LIFE

Highlights the robust construction and longevity of the unit's components.

STRONG CABINET

Describes the material and protective coating of the heat pump's casing.

NOISE CONTROL

Explains features designed to minimize operational noise and vibration.

RELIABLE AND SAFE DESIGN

Lists built-in safety features and design considerations for reliability.

SIMPLE MAINTENANCE

Discusses ease of access for maintenance and servicing procedures.

TECHNICAL DATA: T-HP38 AB

TECHNICAL DATA: T-HP72 AB

COEFFICIENT OF PERFORMANCE CURVE

SYSTEM DIAGRAM

COMPONENTS

INSTALLATION

HEAT PUMP LOCATION

Guidance on selecting an appropriate and safe place for the heat pump unit.

CLEARANCE REQUIREMENTS

Specifies necessary distances around the unit for ventilation and access.

HEAT PUMP ACCESSORIES

Lists essential accessories included with the heat pump unit.

WATER TANK

Information regarding the installation and connection of the water tank.

WATER PIPING

Guidelines for proper water piping installation and connection.

WALL-MOUNTED CONTROLLER

Step-by-step instructions for mounting the controller unit on a wall.

ELECTRICAL CONNECTION

Essential electrical wiring and connection procedures for qualified electricians.

COMMISSIONING

Steps for initial start-up, testing, and system verification by a professional.

CONTROLLER OPERATION

KEY LAYOUT

Identifies and explains the function of each button on the controller.

LCD LAYOUT

Details the various display areas and symbols on the controller's screen.

WATER TEMPERATURE SETTING

Instructions for adjusting the desired water temperature set-point.

CLOCK SETTING

Procedure to set the current time on the controller.

ON;OFF TIMER SETTING

How to program the heat pump to turn on and off automatically at set times.

IST TIMER SETUP

Detailed steps for setting the first ON/OFF timer program.

2 ND TIMER SETUP

Instructions for setting up the second ON/OFF timer program.

3 RD TIMER SETUP

Instructions for setting up the third ON/OFF timer program.

TIMER RECURRENCE

Setting options for timer recurrence (everyday or one day only).

TIMER CANCELLATION

Procedures for cancelling programmed ON/OFF timers.

WIRING DIAGRAM

MAINTENANCE AND TROUBLESHOOTING

MAINTENANCE

Routine tasks and checks for optimal heat pump performance and longevity.

ERROR CODE CHECKING

How to view and interpret error codes displayed on the controller.

COMMON FAILURE CODES

A list of common error codes and their corresponding failures.

PARAMETER CHECKING AND RESETTING

Procedure for viewing and adjusting system parameters, often for technicians.

PARAMETER LISTING

Comprehensive list of adjustable parameters, their scope, and default values.

PRESSURE GAUGE GUIDE

Explanation of how to read and interpret the system's pressure gauge.

TROUBLESHOOTING

Tivok T-HP38AB Specifications

General IconGeneral
BrandTivok
ModelT-HP38AB
CategoryHeat Pump
LanguageEnglish