Table of Contents
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Page title
Covering model numbers for residence
Heat Pump Unit
※This manual is for TO BE USED
by the installing Contractor
only.
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.
GS3-45HPA-US
Sanden Heat Pump – Installation Manual
Page 1 of 36
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Table of Contents
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Summary of Contents for Sanden GS3-45HPA-US
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Page 1: Page Title
Page title Covering model numbers for residence Heat Pump Unit GS3-45HPA-US ※This manual is for TO BE USED by the installing Contractor only. 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. -
Page 2: Table Of Contents
PATENTS This water heater may be protected by one or more patents or registered designs in the name of Sanden International (USA), Inc. TRADE MARKS ® Registered trademark of Sanden International (USA), Inc. Note: Every care has been taken to ensure accuracy in preparation of this publication. -
Page 3: Introduction
Introduction The Sanden SANCO₂ Heat Pump Water Heater System has been designed using the latest refrigeration technology to remove the heat from the air to heat water. The refrigerant we use is CO which does not contribute to global warming so it allows us to help keep a clean healthy earth for future generations. -
Page 4: Installation Details
Installation details This Sanden SANCO₂ Heat Pump Water Heater System must be installed by licensed personnel in accordance with local building codes: Installing contractor should be licensed by applicable state/province and municipal authorities to install an Electrical & Plumbing product. -
Page 5: Installation Location
３ If the unit is not able to operate with adequate airflow due to obstacles and reduced clearances, Then heating output will be reduced by approx. 10% and power consumption increased by approx.10% ４ For optimum operation install the unit per the above or in a location with no obstacles Sanden Heat Pump – Installation Manual Page 5 of 36 ... -
Page 6: Heat Pump Unit Installation
Supply water pressure must be a minimum of 29 PSI (200 kPa) to ensure Heat Pump unit operation – If pressure is below 29 PSI install a booster pump to water supply. Sanden Heat Pump – Installation Manual Page 6 of 36 ... -
Page 7: Water Piping Installation - Heat Pump Unit & Tank
12 grains hardness The water supply must have a pressure of 29 PSI (200 kPa) or higher. A drain trap must be installed on the drain pipe if water is to be drained to a drain pan. Sanden Heat Pump – Installation Manual Page 7 of 36 ... - Page 8 Fill up the tank unit. d) Drain water from the relief valve for one to two minutes. e) Run water from all the hot water supply faucets in the house for about ten minutes to clean inside the pipes. Sanden Heat Pump – Installation Manual Page 8 of 36 ...
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Page 9: Heat Pump Unit Water Piping
Make sure all the necessary devices are mounted to the pipes as shown in diagram. If the heat pump unit piping is kinked or clogged or the air inside was not removed during the test operation, temperature of the supplied hot water may become inconsistent. Figure 6: System piping (Typical System piping) Sanden Heat Pump – Installation Manual Page 9 of 36 ... -
Page 10: Mains Power/Electrical Installation
Connect the power wiring to the terminal block per the wiring diagram/manual. Ensure ground wire is connected. Secure the field power supply wiring below the terminal block with the screw clamp fitting. Re attach the terminal block cover to the heat pump unit. Sanden Heat Pump – Installation Manual Page 10 of 36 ... - Page 11 Figure 7: Main Power Connection Sanden Heat Pump – Installation Manual Page 11 of 36 ...
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Page 12: How To Connect Tank Thermistor Cable To Heat Pump Unit
Connect the thermistor cables to the bottom of the terminal block. Replace the terminal block cover back onto the tank unit and tighten the screws. Sanden Heat Pump – Installation Manual Page 12 of 36 ... -
Page 13: System Operation Using Continuous Power Supply
5 hours continuous power, as it can take at least four hours to fill the tank unit with hot water. If the ambient temperature is lower than 50 F (10 C) this can be longer. Sanden Heat Pump – Installation Manual Page 13 of 36 ... - Page 14 Check the Installation against the Installation Check list provided at the end of this manual Ensure that the work site is tidy; Sanden International recommends the use of Slim Duct or Fortress product to cover water piping on the outside of the house.
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Page 15: Filling The System & Purging Air
Close the plugs after no air is seen in the water or a steady stream of water is present. Supply power to the heat pump unit and leave the hot water faucets open for 3 minutes. Close the faucets after no air can be seen in the water. Figure 10: Air removal process Sanden Heat Pump – Installation Manual Page 15 of 36 ... -
Page 16: Freeze Protection
Heat tape that uses the outside temperature to energize, may not maintain the temperature of the pipes correctly. It is important to use a heat tape that directly senses the pipe’s temperature. Figure 11: Details on wrapping thermal insulation around the piping connector Sanden Heat Pump – Installation Manual Page 16 of 36 ... -
Page 17: Time Setting
60 SECONDS, THE DISPLAY GOES TO SLEEP AND THE PANEL IS BLANK EXCEPT FOR THE OPERATION STATUS LIGHT GREEN IS NORMAL, RED IS AN ERROR SLEEP MODE IS TURNED OFF WHEN ANY BUTTON IS PRESSED (UP, DOWN or ENTER). Sanden Heat Pump – Installation Manual Page 17 of 36 ... - Page 18 Figure 12: How to operate the controller Operation Panel How to remove the operation panel 1. Remove Top Panel (4 screws) 2. Pull up Operation Panel Pull up Operation Panel Sanden Heat Pump – Installation Manual Page 18 of 36 ...
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Page 19: Controller Operation
After the mode is selected, press the Enter key to select an option mode from the six described above. To exit Commissioning maintenance mode, either press and hold down the Enter key, or do not touch the control panel for more than 60 seconds so it goes to sleep. Sanden Heat Pump – Installation Manual Page 19 of 36 ... -
Page 20: Temperature Setting
Use UP/DOWN arrow keys to toggle between the various Temperature Settings Press Enter to confirm choice Settings available 130, 140, 150, 160, 165, 175°F To bypass the Temperature setting simply press the UP key to access the next parameter in the Commissioning menu Sanden Heat Pump – Installation Manual Page 20 of 36 ... - Page 21 To cancel the block out setting, set both beginning and end times to ‘00’. Setting to other than ‘00’ (01 ~ 23) will be interpreted as a setting error and the end time will flash. Make sure to set both times to ‘00’ when cancelling the block out time setting. Sanden Heat Pump – Installation Manual Page 21 of 36 ...
- Page 22 All values will be in °C and will displayed 10 x larger than the actual value e.g. 58°C will be displayed as 0580 (°F conversion x 1.8 +32) When first entering this mode the display will cycle between no00 and the actual data value ****, to access the other data points use the DOWN key Sanden Heat Pump – Installation Manual Page 22 of 36 ...
- Page 23 To bypass the Parameter Display, simply press the UP key to return the first option mode in the Commissioning menu To Exit Commissioning Mode, do not press any key for 60 seconds and Control will default to sleep mode and revert to the current time display when awoken. Sanden Heat Pump – Installation Manual Page 23 of 36 ...
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Page 24: Error Codes
- Check for any piping bend, blockage or kink E007 High pressure side error - Check if the pipes are frozen - Ensure mains water supply is available - Ensure all shut off valves are open - If the water circulation pump is not Sanden Heat Pump – Installation Manual Page 24 of 36 ... - Page 25 Replace the PCB E040 (In the case of E080, check the heat pump ～ System control error piping for blockage/debris, any piping bend, E082 blockage or kinking and pipes are not frozen ) Sanden Heat Pump – Installation Manual Page 25 of 36 ...
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Page 26: Water Supply Quality (Supplemental)
Supply Water with a PH less than 6.0 may be treated to raise the PH. It is recommended that an analysis of the Supply Water be conducted before connecting the Heat pump unit to the system. Figure 15 Sanden Heat Pump – Installation Manual Page 26 of 36 ... -
Page 27: Change Of Water Supply
Sanden Heat Pump – Installation Manual Page 27 of 36 ... -
Page 28: Technical Data
Technical data Specifications GS3-45HPA-US Performance Energy Factor - 43 Gal System 3.09 First Hour Rating - 43 Gal System 71 Gallons Energy Factor - 83 Gal System 3.84 First Hour Rating - 83 Gal System 101 Gallons Nom Heating Capacity (Btu/h) - Page 29 GS3-45HPA-US Dimensions Sanden Heat Pump – Installation Manual Page 29 of 36 ...
- Page 30 Stainless Steel Tank Dimensions Sanden Heat Pump – Installation Manual Page 30 of 36 ...
- Page 31 Diagram Sanden Heat Pump – Installation Manual Page 31 of 36 ...
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Page 32: Warranty Policy
Sanden Heat Pump Water Heater System literature. Warranty Exclusions 1. Repair and replacement work will be carried out as set out in the Sanden Heat Pump Water Heater System warranty. However the following exclusions may void the warranty and may incur additional service charges and/or cost of parts: 2. -
Page 33: Warranty Period
Workmanship or other modes of failure. 11. Internet purchase Any Sanden parts that are purchased on the internet are not eligible for the warranty term. The parts must be purchased through Sanden certified distributors/contractors. Warranty period... -
Page 34: Check Sheet
Mixing/Anti Scald valve is installed and the setting is correct Pressure reduction valve (95PSI) has been fitted to the cold water supply During draining of the tank, water does not overflow from the drain. Installed By…………………………………………………… Date………………………………… Inspected By …………………………………………………. Date………………………………… Sanden Heat Pump – Installation Manual Page 34 of 36 ... -
Page 35: Replace Controller Assembly
Enter Block out Time Setting Mode Clock Display Mode Enter Press and Error History Display Mode hold down Enter Enter Enter No Operation for Enter Parameter Display Mode 60sec min. No Operation for 60sec min. Clock Setting Mode Sanden Heat Pump – Installation Manual Page 35 of 36 ... -
Page 36: Memo
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