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Air Conditioner Water Heater
Commissioning of this unit must be done by a licensed HVAC
technician. Commissioning includes making the electrical and
refrigerant line connections, evacuating and charging the unit, and
starting up the unit for the first time.
Depending on local regulations in your area, it's possible for a qualified
end user to perform other parts of the installation. A qualified user
would be a user with expert handyman and plumbing skills, who has
performed similar work previously, and who has the required tools and
equipment.
It is up to the user to determine if a permit is needed and to determine
what self-installation work is allowed under local regulations.
Installation of this system must be done in accordance with proper
plumbing, electrical and HVAC standards such as those established
under NEC, ASHREA, AHRI and IAPMO, and must comply with state
and local codes.
The manufacturer accepts no responsibility for failure to follow the
applicable standards and codes. Failure to have a licensed HVAC
technician perform the commissioning may void your warranty.
Model ACWH18
Installation Guide
IMPORTANT! READ THIS FIRST!
HotSpot Energy LLC
1228 Progressive Dr. Suite 201
Chesapeake VA 23320
info@hotspotenergy.com
1-757-410-8640
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Summary of Contents for Hotspot ACWH18
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Page 1: Installation Guide
Air Conditioner Water Heater Model ACWH18 Installation Guide IMPORTANT! READ THIS FIRST! Commissioning of this unit must be done by a licensed HVAC technician. Commissioning includes making the electrical and refrigerant line connections, evacuating and charging the unit, and starting up the unit for the first time. - Page 2 The following is an outline of some of the main tasks involved in pre- installing the ACWH. We assume you have the tools and equipment, skills and experience, etc., to perform these tasks. If you do not or if you are not sure if you do, then refer these tasks to a professional.
- Page 3 5. Plan the job and obtain the needed materials. For electrical you may need Romex or you may be required to used wire in conduit or other option depending on your situation and local code. You may need conduit, PVC or other pipe for the outdoor connections.
- Page 4 9. Shut off power to the water heater, if electric, at the fuse or circuit breaker panel. If it’s a gas-fired water heater, close off the gas valve found ahead of the water heater burner and controls. If gas, be sure you know how to turn the gas on and off (including resetting the igniter safety switch) before doing this.
- Page 5 Fig.2 Tank Tap w/ Existing Tank Fig.3 Tank Tap w/ Pre-heat Tank The Tank Tap options in Figs. 2 & 3 avoid interrupting the cold water supply line and adding a Tee. Using the Tank Tap Adapter avoids the need for a permit in most jurisdictions.
- Page 6 Fig. 4 Normal plumbing with Tee (shown with pre-heat tank) NOTES Do not return the ACWH unit’s hot water by placing a Tee in the hot water delivery pipe above the water heater. This approach will allow water to pass from the ACWH unit directly into the system which can create bursts of unevenly tempered water.
- Page 7 Note: The HotSpot ACWH unit does not ship with factory installed boiler drain valves. We recommend the installation of boiler drain valves and a isolation valve at the ACWH unit end of the water lines. Drainable valves, also known as “Stop and Waste”...
- Page 8 Purging: Turn on the cold water supply to the water heater and allow the water heater and the ACWH unit to fill with water. Bleed air from the system by opening the boiler drain on the hot out side. This primes the ACHW pump. Next open the pressure relief valve on the tank until all air is removed.
- Page 9 •Unique Design •Utilizes existing Boiler or Water Heater Drain for Inlet and Outlet of HotSpot Unit •No need to turn off water to property for installation •No permit needed for installation in most areas...
- Page 10 Optional Tank Adaptor Instructions If your system was ordered to include a Tank Tap Adapter you will save time and may avoid the need for a permit. If not, use normal plumbing procedures. With a sharpie, make 2 Begin by draining the The old drain valve may alignment marks on the tank and flushing out any...
- Page 11 With the pipe pointing strait up in the tank, we Double check the second alignment tighten the union nut to secure the inner pipe’s. mark through the drain fitting position. The inner pipe (inside the tank) should be pointing strait up. Once the union nut is tight, tape the threads, and sweat the hose bib on.
- Page 12 Only use PEX rated for min. 180F. This may be but doesn’t have to be red (hot water) PEX. Just about anything you might need to know about purchasing or using PEX can be found at www.PEXsupply.com. HotSpot is not affiliated in any way with PEX Supply.
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