SM Series Heat Pump
SM Series Heat Pump
6 720 220 406 (2015/02)
Subject to change without prior notice
42
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Heat Recovery Package
Figure # 109
Water Tank Refill
1. Open the cold water supply to the tank.
2. Open a hot water faucet to vent air from the
system until water flows from the faucet, then
close.
3. Depress the hot water tank pressure relief
valve handle to ensure there is no air remaining
in the tank.
4. Carefully inspect all plumbing for water leaks.
Correct as required.
5. Purge all air from HR through an external purge
valve. Allow all air to bleed out until water
appears at the valve. Locate the external purge
value at the highest point in installation.
6. Before restoring the power or fuel supply to
the water heater, adjust the temperature
setting on the tank thermostat(s) to ensure
maximum utilization of the heat available from
the refrigeration system and conserve the most
energy. On tanks with both upper and lower
elements and thermostats, the lower element
should be turned down to 100° F, while the
upper element should be adjusted to 120° F.
Depending upon the specific needs of the
customer, you may need to adjust the upper
element differently. On tanks with a single
thermostat lower the thermostat setting to
120° F or the “LOW” position. After thermostat
adjustments are completed, replace access
cover and restore electrical or fuel supply to
water heater.
Hot
Water
Supply
Cold
Water
Supply
T/P Valve
Water Out
Retrun from HRP
Isolation Valves
Concentric Fitting
Part #520105
Tank Drain Valve
Water In
Supply to HRP
Drain Valve
(Optional)
NOTE: Diagram for illustration purposes only.
Ensure access to Heat Pump is not restricted.
NOTE: All piping from HRP to domestic
water tank must be copper or any metal of
stronger alloy.