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27.3 Description
(Selection and more details in the AM display module/BM-2 programming unit installation instructions.)
27.3.1 System
In the "System" submenu, the contractor can make advanced system settings using system parameters
(see AM display module/BM-2 programming unit instructions).
27.3.2 Parameters / full parameter list
In the "Heating appliance" / "Parameters" / "Full parameter list" submenu, the contractor can make advanced
system settings using contractor parameters (see "Contractor parameters" chapter).
27.3.3 Special (sensor calibration, pump down)
Sensor calibration
The s ensor c alibration f unction s erves t o b alance o ut a ny d eviation i n t he m easurements f rom t he fl ow ( boiler t emperature)
and return temperature sensors. The temperature sensors are calibrated at the factory; sensor calibration is required
after replacing a sensor or carrying out a parameter reset.
Procedure:
Activation of the feed/heating circuit pump (ZHP) and correction of the flow temperature sensor value to the value of
the return temperature sensor by setting the correction value.
For calibration, switch ON the feed/heating circuit pump (ZHP), wait 10 minutes for the temperature to equalise, then
perform corrections if necessary.
AM designation
BM-2 designation
ZHP
Boiler water
temperature
Return temperature
Boiler correction
Pump down
Drain function for work carried out on the refrigerant circuit by the service or refrigeration engineer.
Designation
Pump down
Indoor unit must have water flowing through it.
Please
note
3064298_201805
Contractor level
ZHP
Feed/heating circuit pump (ZHP)
T_boiler
Flow temperature display
T_return
Return temperature display
Boiler corr.
Flow temperature correction value
Setting range
OFF, ON
Meaning
(0.0 ... 99.9 °C)
(0.0 ... 99.9 °C)
Factory setting
OFF
Setting range
Factory setting
OFF, ON
OFF
-
-
-
-
-3.0 ... 3.0 °C
0.0 °C
63
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