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ECO2 Systems SANCO2 GS4-45HPC-D - User Manual

ECO2 Systems SANCO2 GS4-45HPC-D
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SANCO
2
Heat Pump – Owner’s Manual
Page 1 of 28
Sanden Heat Pump – Installation Manual
Page 1 of 40
.
Page title
Covering model numbers for residence
Heat Pump Unit GS3-45HPA-US

This appliance is not to be installed by unqualified and unlicensed persons,
please read and understand this manual prior to installing and operating the unit.
※This manual is for TO BE USED
by the installing Contractor
only.
20916702 (K)
Sanden Heat Pump – Owner’s Manual
Page 1 of 24
Page title
Covering model numbers for residence
Heat Pump Unit GS3-45HPA-US

This appliance is not to be installed by unqualified and
unlicensed persons, please read and understand this manual
prior to installing and operating the unit.
OOwwnneerr’’ss mmaannuuaall
Owner’s Manual
SANCO
2
Heat Pump Water Heater with Natural Refrigerant(CO
2
)
Heat Pump Units
Tanks
: GS4-45HPC
GS4-45HPC-D
: SAN-43SSAQA
SAN-83SSAQA
SAN-119GLBK
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.
This appliance is not to be installed by unqualied and
unlicensed persons, please read and understand this manual
prior to installing and operating the unit.

Table of Contents

Other manuals for ECO2 Systems SANCO2 GS4-45HPC-D

Preview: Installation Manual
Installation Manual44 pages

Questions and Answers

  • T
    Tina FerrellAug 11, 2025
    Why is there no hot water coming out of my ECO2 Systems SANCO2 GS4-45HPC-D Water Heater tap?
    • R
      robert16Aug 11, 2025
      If no hot water is coming from your ECO2 Systems Water Heater tap, it could be due to a low water temperature. Try stopping hot water usage and wait for about 1 hour. Other potential causes include issues with the electricity supply's off-peak mode, blockages in the filter, piping bends or crushes, frozen pipes, a closed valve, or obstructions blocking airflow through the evaporator. Make sure to check these components and resolve any identified issues.
  • N
    Nicholas MaysNov 19, 2025
    What to do if no hot water comes out of my ECO2 Systems Water Heater tap?
    • K
      Kristen PalmerNov 19, 2025
      If you're not getting any hot water from your ECO2 Systems Water Heater, several factors could be the cause. First, the storage tank might be low or empty. Try waiting about an hour after stopping hot water usage to see if it replenishes. Also, consider switching your electricity supply to off-peak mode, as the power supply hours may be too short for adequate water heating. Another potential issue is air trapped in the heat pump system; you can remove this by opening the water drain plugs on the Heat Pump Unit, being careful of burns. A blocked filter on the cold inlet connector could also be the culprit—check and clear any blockages. Additionally, inspect the piping for bends, blockages, or crushes that may be restricting water flow. If pipes are frozen, melt the ice and provide heat insu...
  • M
    Misty JohnstonDec 1, 2025
    What to do if my ECO2 Systems Water Heater has no hot water?
    • M
      markhowardDec 1, 2025
      If no hot water is coming from your ECO2 Systems Water Heater, several factors could be the cause. First, the storage tank might be depleted; stop using hot water and wait about an hour. Second, there might be insufficient air removal from the heat pump system; open the water drain plugs on the Heat Pump Unit to remove air, being cautious of burns. Third, the filter on the cold inlet connector could be blocked; inspect and clear any blockages. Fourth, the water flow speed might be reduced due to piping issues; check for bends or crushes in the piping. Fifth, frozen pipes could be the issue; melt any ice on the pipes and insulate them. Sixth, a closed stop valve could be the culprit; ensure the valve is open. Finally, insufficient air absorption due to evaporator blockage could be the probl...

ECO2 Systems SANCO2 GS4-45HPC-D Specifications

General IconGeneral
ModelSANCO2 GS4-45HPC-D
CategoryWater Heater
Energy SourceElectric
Voltage240V
Amperage15A
RefrigerantR744 (CO2)
TypeHeat Pump

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