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Specific Application Considerations; Well Water Systems - Bosch Greensource SM024 Installation, Operation And Maintenance Manual

Greensource cdi series sm model water-to-air heat pumps
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24 | Specific Application Considerations


Well Water Systems

Copper is adequate for ground water that is not
high in mineral content. Should your well driller
express concern regarding the quality of the well
water available or should any known hazards exist
in your area, we recommend proper testing to
ensure the well water quality is suitable for use
with water source equipment. (See the Water
Quality table on page #20.) In conditions
anticipating moderate scale formation or in
brackish water a cupro-nickel heat exchanger is
recommended. In well water applications, water
pressure must always be maintained in the heat
Fig. 53 Typical Well Water Setup
[1] Flex Duct Connection
[2] Low Voltage Control Connection
[3] Vibration Pad
[4] Ball Valves
[5] Solenoid Valve Slow Closing
[6] Condensate Drain Connection
[7] Drain Valves
[8] Hose Kits (optional)
[9] Pressure Tank (optional)
8733819578 (2019/02)
exchanger. This can be accomplished with either a
control valve or a bladder-type expansion tank.
When using a single water well to supply both
domestic water and the heat pump, care must be
taken to ensure that the well can provide sufficient
flow for both. In well water applications, a
slow-closing solenoid valve must be used and
installed on the leaving-water side of coaxial to
prevent water hammer. Solenoid valves should be
connected across Y1 and C1 on the interface board
for all. Make sure that the VA draw of the valve
does not exceed the contact rating of the
[10] P/T Ports (optional)
[11] Line Voltage Connection
[12] Electric Heater Line Voltage Disconnect
[13] Unit Line Voltage Disconnect
Subject to change without prior notice
Greensource CDi Series SM
For Reference Only.
A typical setup is shown for
illustration purposes only.
Greensource CDi Series SM Model

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