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15
❑ HVAC approved ducting.
❑ Calculated length of duct no greater than
maximum allowed.
❑ UL Certified terminations (For ducting to the
outside).
❑ Insulated duct.
❑ Ducting adequately supported.
❑ Ducting adequately isolated from structure.
❑ Make sure valve is open condition .
❑ Make sure sensor is dry and doesn't touch the
water during installation.
Installation Checklist
A. Water Heater Location
❑ Close to area of heated water demand.
❑ Indoors and protected from moisture, wet
conditions, freezing temperatures (below 32°F
(0°C)) and High temperatures (above 140°F
(60°C)).
❑ Area free of flammable vapors.
❑ Provisions for Air Circulation (Louvered doors on
ducting).
❑ Provisions made to protect area from water damage.
❑ Sufficient room to service heater.
❑ Six inches (6") of clearance from ceiling to
top of Hybrid Water Heater to allow for filter
maintenance.
❑ Access to condensate disposal.
❑ Vibration Isolation Kit (Non-Concrete floors).
❑ Hybrid seismic Kit (if required).
B. Water Supply
F. Ducting
G. Shutoff Valve
H. Leak Sensor
❑ Water heater completely filled with water.
❑ Air purged from water heater and piping.
❑ Water connections tight and free of leaks.
❑ Flexible water connections.
C. Relief Valve
❑ Temperature and Pressure Relief Valve properly
installed and discharge line run to open drain.
❑ Discharge line protected from freezing.
D. Wiring
❑ Power Supply voltage agrees with water heater
rating plate.
❑ Branch circuit wire and fusing or circuit breaker
of proper size. (Recommended 15 amp & 30 amp
breaker for select models).
❑ Electrical connections tight and unit properly
grounded.
❑ 10 gauge wire.
E. Condensate Lines
❑ Condensate lines from heat pump installed
correctly.
❑ Condensate lines from heat pump run to a
suitable drain location.
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