System Protection | 39Greensource CDi Series SM Model
8733819578 (2019/02)Greensource CDi Series SM Model
Subject to change without prior notice
Fig. 64 DRT Sensor Location
Domestic Water Temperature (DWT) Sensor
The Heat Recovery Package (HRP) controller will
constantly monitor the DWT sensor and only allow
the HRP pump to run when the water temperature
in the tank is below the set point and the
refrigerant temperature is suitable for hot water
production. The minimum and maximum allowed
temperature set points are 110°F and 140°F
respectively and can be adjusted via the Bosch
EasyStart app. The controller will run the pump
four times/hour (adjustable two to six times/hour
via Bosch EasyStart app) to determine whether or
not domestic hot water production is needed.
If the DWT sensor is invalid or not within range a
warning message will be sent to the Bosch
EasyStart app.
Location of the DWT sensor is shown in Fig. 65.
Fig. 65 DWT Sensor Location
If the DRT sensor fails at any time during normal
unit operation, HRP operation will be
terminated.
NOTICE: Keep the HRP configuration setting
set to disabled if there is no domestic water
supply available.
The controller will enable domestic hot water
production only when the loop pump and the
compressor are running.
If the DWT sensor fails at any time during
normal unit operation HRP operation will be
disabled.
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