Sanden Heat Pump G3 GS3-45HPA-AU
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Sanden Heat Pump G3
Model Number: GS3-45HPA-AU
Covering the system models:
GAUS-315QT, GAUS-315QS, GAUS-250EQTB, GAUS-160EQTB
GAUS-315EQTAQ, GAUS-300EQTAQ, GAUS-250EQTAQ, GAUS-160EQTAQ
Made available in 2017, superceded by the Sanden Heat Pump "G4" unit.
- High efficiency CO2 refrigerant heat pump
- Whisper quiet operation
- High quality, Japanese made
- Unique design operates in all climates
- No backup element required
• A high Coefficient of Performance (COP=5^) results in significantly reduced energy use and CO2 emissions.
• Up to 50% faster heat recovery than typical heat pumps. In ambient air of 20 ºC it takes approx 4 hours to heat 315 L of water from 17 ºC to 65 ºC.
• Uses unique Ozone friendly R744 (CO2) refrigerant.
• Simple installation by Plumber & Electrician, with no Refrigeration Mechanic required.
• An automatic heating cycle, which makes it perfect for use with Off-Peak tariff.
• Uniquely designed to operate in all climates (ie. -10 ºC to +43 ºC operating range).
• Includes Blockout Timer, for use with on-roof photo voltaic (PV) solar electricity systems.
• No backup element required.
• Whisper quiet operation, with industry leading noise level of 37 dB - very neighbour friendly!
• High quality, Japanese made weather resistant construction for outdoor location.
• 6 year Warranty.
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F.A.Q
Frequently Asked Questions
-
What is the noise level of the Sanden Eco® Plus heat pump hot water system?
The unit is rated at 37dB (measured at one metre from the unit), which is almost silent. By comparison, a whisper is around 30dB and the sound of the inside of a Library is approximately 40dB.
-
What are the benefits of the Sanden Eco® Plus heat pump hot water system?
Benefits include:
You can save up to 80% of your hot water energy costs when compared with a traditional electric hot water system! The Sanden Eco® Plus Hot Water Heat Pump uses only 20% of the energy required by older-style, electric element hot water storage systems.
Not only does a Sanden Eco® Plus heat pump hot water system help save on energy costs, it also delivers:
(a) Heat Pump Unit Benefits:
- Innovative technology; up to 50% faster heat recovery than currently available Hot Water Heat Pumps.
- Industry leading quality & performance; the Sanden Eco Plus gives you the highest level of STC credits of any currently available heat pump hot water system.
- Class leading warranties; backed by Sanden’s 35 years of operation in Australia.
(b) Stainless Steel Storage Tank Benefits:
- High quality; extra long life duplex stainless steel cylinder.
- Fully insulated; for extremely low heat loss.
- Safety, pressure and temperature relief valves.
- Mains pressure rated.
- Innovative technology; up to 50% faster heat recovery than currently available Hot Water Heat Pumps.
• A high Coefficient of Performance (COP=5^) results in significantly reduced energy use and CO2 emissions.
• Up to 50% faster heat recovery than typical heat pumps. In ambient air of 20 ºC it takes approx 4 hours to heat 315 L of water from 17 ºC to 65 ºC.
• Uses unique Ozone friendly R744 (CO2) refrigerant.
• Simple installation by Plumber & Electrician, with no Refrigeration Mechanic required.
• An automatic heating cycle, which makes it perfect for use with Off-Peak tariff.
• Uniquely designed to operate in all climates (ie. -10 ºC to +43 ºC operating range).
• Includes Blockout Timer, for use with on-roof photo voltaic (PV) solar electricity systems.
• No backup element required.
• Whisper quiet operation, with industry leading noise level of 37 dB - very neighbour friendly!
• High quality, Japanese made weather resistant construction for outdoor location.
• 6 year Warranty.
Sanden Heat Pump Unit GS3-45HPA-AU also known colloquially as the "G3".
Table of Specifications
| Model: | GS3-45HPA-AU |
| Dimensions | |
| Weight: | 48kg |
| Width: | 898mm |
| Height: | 695mm |
| Depth: | 283mm |
| Technical | |
| Power Input: | 0.9kW |
| COP (Heating Efficiency) | 5.0^ |
| Refrigerant | CO2 (R744) |
| Water Temperature Setting | 60 ºC |
| Compressor | Variable |
| Electrical Supply | 220-240V/50Hz/1Ph |
| Circuit | 20 Amps |
| Operating Noise Level | 37 dB |
| Ambient Air Operating Temperature | -10 ºC to +43 ºC |
| Country of Manufacture | Japan |
| Water Connections and Settings | |
| Inlet | ½ ” BSP, 12.7 mm |
| Outlet | ½ ” BSP, 12.7 mm |
Specifications for Sanden Heat Pump Unit G3 Model
Removing air from the system
- The following steps must be taken to ensure all air is removed from the system. Incorrect removal of air may cause the water temperature to vary.
- Plumb pipes to the tank unit and the heat pump unit.
- Push up the lever on the PTR valve to open, and fill the tank unit with water
- Confirm that the water comes out of the relief valve and then close the lever.\
- Open the hot water taps in the home to remove air.
- Close the hot water taps in the home after no air is confirmed in the water.
- Open the water drain plugs (two places) on the heat pump unit.
- Close the plugs after no air is confirmed in the water.
- Connect the power to the heat pump unit and leave a hot water tap open in the home for three minutes.
- Close the house hot water tap after no air is confirmed in the water.
