Subject to change without prior notice Revised 05-12
6 720 220 045
16
CP/BP Series
vents in the heating mode the heat recovery may need
to be turned off. In the heating mode the heat recovery
captures heat that would normally be used for space
heating.
If heat recovery unit is installed in an area
where freezing may occur, the unit must be
drained during winter months to prevent heat
exchanger damage. Heat exchanger ruptures
that occur due to freezing will void the heat
recovery package warranty along with the heat
pump warranty.
WATER TANK PREPARATION
1. Turn off electrical or fuel supply to the water heater.
2. Attach garden hose to water tank drain connection
and run other end of hose out doors or to an open
drain.
3. Close cold water inlet valve to water heater tank.
4. Drain tank by opening drain valve on the bottom
of the tank, then open pressure relief valve or
hot water faucet.
5. Once drained the tank should be ushed with
cold water until the water leaving the drain hose
is clear and free of sediment.
6. Close all valves and remove the drain hose.
7. Install HR water piping.
HR WATER PIPING
All hot water piping should be a minimum of 3/8t
O.D. copper tube to a maximum distance of fteen
(15) feet. For distances beyond fteen feet but not
exceeding sixty (60) feet use 1/2” copper tube.
Separately insulate all exposed surface of both
connecting water lines with 3/8” wall closed cell
insulation. Install isolation valves on supply and
return to the heat recovery. (Figure #8)
Water Tank Preparation
Figure 8
TYPICAL CONNECTION PIPING
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