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Heat Pump Water Heater
14. Installation
Unpacking and Removing
Shipping Bolts
NOTE
• Accessories (drain valve and T&P relief valve)
are attached on pallet. Keep it for installation.
Unpack all shipping materials from the water
heater for proper operation and inspect it for
shipping damage.
1
Remove carton and shipping materials.
2
Remove the screws from the shipping
brackets.
3
Pull out the shipping brackets.
4
Slightly tip the water heater and carefully roll
the water heater off the pallet.
- 50 Hz (R134a)
Thermal Expansion
Determine if a check valve is present on the inlet
water line. Check with your local water utility. A
check valve located in cold water inlet line will
create a "closed water system". As water is
heated, it creates an increase in pressure within
the water system because the increased volume
of water doesn't have a place to go.
Referred to as "thermal expansion", the rapid
pressure increase can quickly reach the safety
setting of the relief valve. This will cause the
relief valve to open during each heating cycle.
We recommend installing an expansion tank to
control thermal expansion.
Connect the thermal expansion tank to the cold
water supply line (see Installation Instructions).
For additional information, contact installing
contractor, plumbing inspector, or water supplier.
Accessories
Installing Drain Valve
Use drain valve included in packing.
1
Apply Teflon tape on the G end to prevent
leaking.
2
Install the drain valve in the opening marked
"Drain Valve".
30
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