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Sanden GAUS-300FQS - User Manual

Sanden GAUS-300FQS
20 pages
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Sanden Heat Pump – Owner’s Manual
Page 1 of 20
Covering model numbers for residence
GAUS-160FQS
GAUS-250FQS
GAUS-300FQS
GAUS-315FQS
GAUS-315FQV
Heat Pump Unit GAU-A45HPC
This appliance is not to be used by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction.
Children being supervised not to play with the appliance.
Owner’s
m
anual
20892940(K)

Table of Contents

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Preview: Installation Manual
Installation Manual32 pages

Questions and Answers

  • J
    John GallegosAug 9, 2025
    Why is no hot water coming out of my Sanden Heat Pump?
    • B
      Brian SingletonAug 9, 2025
      If no hot water is coming out of your Sanden Heat Pump's water tap, it could be due to several reasons. First, the temperature of the hot water might be too low; in this case, stop using hot water and wait for about 1 hour. Another reason might be insufficient air removal from the heat pump system; open the water drain plugs on the Heat Pump Unit to remove air from the water circuit, being careful to avoid burns. Also, the filter on the cold inlet connector may be blocked, so check the filter and remove any blockage if present.
  • J
    Jacob WoodAug 19, 2025
    What to do if my Sanden Heat Pump has no hot water coming out of the tap?
    • L
      Lisa BanksAug 20, 2025
      If you find that no hot water comes out of the water tap of your Sanden Heat Pump, it might be because the water flow speed has dropped. Inspect the heat pump piping for any bends, blockages, or crushes, and remove any obstructions you find. Also check if any pipes may be frozen. If a frozen area is found on the piping, melt the ice on the pipe and provide heat insulation.
  • A
    Amy SchultzAug 29, 2025
    How to fix a Sanden Heat Pump when no hot water comes out of the tap?
    • J
      Jesse FergusonAug 29, 2025
      If your Sanden Heat Pump isn't dispensing hot water, ensure that the stop valve is open. Insufficient air absorption due to a blockage on the evaporator could also be the cause. Remove any objects blocking the airflow through the evaporator, such as fallen leaves, grass, or snow.

Summary

Safety Precautions

Understanding Safety Symbols

Explains the meaning of warning, caution, and prohibition pictorial symbols.

General Safety Warnings

Covers warnings about touching hot taps, relief valves, and checking water temperature.

Electrical and Physical Safety

Unit Handling and Electrical Precautions

Addresses power cords, insulation, flammable substances, and unit access.

Installation and Environmental Safety

Unit Placement and Site Conditions

Advises on unit placement, obstructions, and installation site requirements.

Operational Safety and Precautions

Usage and Drainage Safety

Guides on post power cut usage, emergency cocks, and installation drainage.

Installation Details

Troubleshooting Guide

No Hot Water or Low Temperature Issues

Error Codes

List of Error Codes and Contents

Connecting Power and Thermistor Cables

Water Supply Quality

Warranty Policy

Warranty Conditions for Installation

Warranty Period and Registration

Residential Warranty Terms

Sanden GAUS-300FQS Specifications

General IconGeneral
BrandSanden
ModelGAUS-300FQS
CategoryWater Heater
LanguageEnglish

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