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Configuring the Heat Pump Heating System 6.1
6.3 Inputs
Depending on the system configuration, the “Inputs” Menu
shows the “Contact open or closed” status display for the
following digital inputs:
Tab. 6.1: Switching mode pressure switch for heat pumps with manufacturing
date before FD8404
Status display of all digital inputs
Contact open means a fault has occurred (setting LP pressure
switch NC contact
1
1. Valid for all heat pumps with a manufacturing date after FD8404. All other heat pumps should be adjusted according to the following table:
At all times
Contact open means a fault has occurred (setting HP pressure
switch NC contact
1
At all times
Contact closed denotes defrost end Air HP without hot
gas defrosting
Contact open means a fault has occurred (insufficient flow rate) Water HP
Contact open means a fault has occurred Air HP
Contact open means a fault has occurred BW or WW HP
Contact open means a fault has occurred At all times
Contact open means a fault has occurred At all times
Contact open denotes a utility block At all times
Contact open denotes a block At all times
Contact open means a fault has occurred LP brine
Contact open means a fault has occurred Cooling function
Silent cooling
Contact closed means that a request for domestic hot water is
pending
Domestic hot
water
Thermostat
Contact closed means a request for swimming pool water is
pending
Swimming pool
Type of heat
pump
High-pressure
pressure switch
Low-pressure
pressure switch
LI / LA NO contact NO contact
SI / WI NO contact NC contact
High-temperature NO contact NC contact
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