SANCO2 GS4-45HPC Freeze Protection Installation Guide
- June 12, 2024
- SANCO2
Table of Contents
SANCO2 GS4-45HPC Freeze Protection
Product Information
The Freeze Protection GS4-45HPC is a product designed to prevent the freezing of water pipes, particularly when installed outdoors. It features a unit freeze protection control program and can be used with heat tape on the pipework for added freeze protection. In the event of a power outage, the unit is equipped with freeze protection functionality. Additionally, the unit and piping can be drained manually for further freeze protection.
Product Usage Instructions
- Minimal Water Piping Outdoors: Install the Freeze Protection GS4-45HPC in areas where water piping is exposed to low temperatures outdoors.
- Unit Freeze Protection Control Program: Ensure that the unit’s freeze protection control program is activated. Refer to the user manual for instructions on how to enable this feature.
- Heat Tape on Pipe Work: For enhanced freeze protection, consider using heat tape on the pipe work. Follow the manufacturer’s instructions for proper installation and usage of the heat tape.
- Power Outage: In case of a power outage, the Freeze Protection GS4-45HPC will automatically activate its freeze protection functionality. This helps to prevent the freezing of the water pipes. Once power is restored, the unit will resume normal operation.
- Manual Drain: To further protect against freezing, drain the unit and piping. Refer to the user manual for detailed instructions on how to perform a manual drain.
It is important to regularly check the user manual for any specific guidelines or recommendations regarding the Freeze Protection GS4-45HPC’s usage and maintenance.
Freeze Protection GS4-45HPC
- System design will have the Outdoor unit & Piping filled with Water so it is important for the system to be capable to handle installations in cold weather locations and how the unit will operate to reduce this cold weather effect
- Interestingly it also gets cold in Japan (Sapporo, design temperature is 15°F). Nothing is done to the system to worry about cold weather, EVEN the tank is outside
Freeze Protection
Minimal Water Piping Outdoors
- Plan your job site and unit(s) location to penetrate intothe building adjacent to the Heat Pump(s)
- Use ¾” minimum thick Closed Cell insulation on the external piping –Larger thickness of insulation can be used for colder ambient locations to provide more insulation
- Tape joints and ensure that none of the system is piping is exposed
Unit Freeze Protection Control Program
- System continually monitors Inlet & Outlet Water Temperatures plus Outdoor Ambient Temperature
- Unit will operate the unit Pump and Compressor to ensure quick heat up of the Inlet and Outlet water before cycling off
Heat tape on the pipework
- Self regulating 5 to 8W Heat Trace used to heat both Cold & Hot Piping
- FG2-6L is a 6ft long Heat Trace with a 3ft lead cord on it to allow the FG2-6L to be directly connected to the 208/230V L1 & L2Incoming power terminals directly without needing any extra wiring
Heat tape on the pipework
- Install the FG2-6L by wrapping tightly under the insulation on both Hot & Cold Piping to unit –The 6ft length should provide both pipes with Heat
- Start the wrap-around process at the Hot Water Outlet connection then around the external piping and cross over to the Cold Waterpiping in the building and complete the FG2-6L wrap process at the Cold WaterInlet Connection at the GS4
Power Outage
- Use the FPVKT-SMTW Valve kit to allow water to drain from the Cold & Hot piping to the unit
- 2 x FPV Valves & 2 x Tees for easy installation are provided with the Kit
- FPV Valves are installed on both Cold & Hot Piping to the GS4
Power Outage
- FPVKT will open on BOTHor EITHERof the Cold & Hot piping to startthedrainprocessifthe Watertempfalls below 34°F
- As Valve(s) open the Water Pressure in the piping will allow 34°F Water to be drained out of piping drawing warmer water from inside the Tank or building into the piping to replace the Cold Water being drained
- Valves will close when the Water drained from the system risesabove 39°F in the piping and GS4 unit
Manual Drain
Unit and piping can also be drained manually
- Close Isolation Valves installed on the piping to the GS4 unit from the Storage tank
- Openthe Air bleed screwsonthe GS4 ColdWaterInletConnector and Hot Water Outlet Connector to manually drain down the System
- Also drain water using the Air Bleed on the Water Pump underneath the unit
- After power outage open closed Isolation valves, filland bleed the system then restart theGS4
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>