Heat Recovery Package; Typical Connection Piping; Water Tank Preparation - Bosch TA Series Installation And Maintenance Manual

Heat recovery Package

reversing valve solenoid should energize. The
compressor and fan should not run.
3. Reduce the thermostat setting approximately 5
degrees below the room temperature.
4. Verify the heat pump is operating in the cooling
mode.
5. Turn the thermostat system switch to the "OFF"
position. The unit should stop running and the
reversing valve should de energize.
6. Leave the unit off for approximately (5) minutes to
allow for system equalization.
7. Turn the thermostat to the lowest setting.
8. Set the thermostat switch to "HEAT".
9. Increase the thermostat setting approximately 5
degrees above the room temperature.
10. Verify the heat pump is operating in the heating
mode.
11. Set the thermostat to maintain the desired space
temperature.
12. Check for vibrations, leaks, etc.
HeaT reCoVerY PaCKaGe
The Heat Recovery package is a factory mounted option.
It consists of a forced pumped unit that employs a
circulating pump to move water through a double wall/
vented heat exchanger and returns the heated water to
the water tank. The water is heated by superheated
Revised 05-12
refrigerant discharge gas from the compressor. This
waste heat of the cooling mode captured by the heat
recovery increases the capacity and efficiency of the
heat pump unit. If the air temperature is uncomfortable
coming from the air 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.
Caution

TYPICal CoNNeCTIoN PIPING

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 flushed with
cold water until the water leaving the drain hose
is clear and free of sediment.
Figure # 9
TA Series
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.
6 720 220 046
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