Sanden GAU-A45HPC - User Manual

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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)

Other manuals for Sanden GAU-A45HPC

Installation Manual32 pages

Questions and Answers

G
Gabrielle JohnsonAug 9, 2025
Why is no hot water coming out of my Sanden Heat Pump?
- J
  James HawkinsAug 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.
B
Brianna WalkerAug 18, 2025
What to do if my Sanden Heat Pump has no hot water coming out of the tap?
- C
  Colleen HayesAug 18, 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.
N
Nicole KellyAug 28, 2025
How to fix a Sanden Heat Pump when no hot water comes out of the tap?
- T
  Tammy JonesAug 28, 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

Warning and Caution Classifications

Explains the meaning of warning and caution symbols and their associated risks.

Electrical and Physical Safety

Covers precautions related to power cords, disassembly, and physical access to the unit.

Environmental and Installation Precautions

Operational and Installation Cautions

Installation Details

Troubleshooting Guide

Troubleshooting Cautions

Error Codes

Electrical Connections and System Operation

Electrical Connections

Connecting Power and Thermistor Cables

Warranty Policy

Warranty Conditions

Outlines the requirements for a valid warranty.

Warranty Exclusions

Lists situations that may void the warranty or incur charges.

Warranty Period and Registration

Summary

Safety Precautions

Warning and Caution Classifications

Explains the meaning of warning and caution symbols and their associated risks.

Electrical and Physical Safety

Covers precautions related to power cords, disassembly, and physical access to the unit.

Environmental and Installation Precautions

Operational and Installation Cautions

Installation Details

Troubleshooting Guide

Troubleshooting Cautions

Error Codes

Electrical Connections and System Operation

Electrical Connections

Connecting Power and Thermistor Cables

Warranty Policy

Warranty Conditions

Outlines the requirements for a valid warranty.

Warranty Exclusions

Lists situations that may void the warranty or incur charges.

Warranty Period and Registration

Sanden GAU-A45HPC Specifications

General

Category	Water Heater
Voltage	220-240V
Refrigerant	R134a
Heating Capacity	4.5 kW
Protection Class	IPX4
Capacity	45 liters
Phase	Single Phase

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