Bosch BMS500-AAS012-0AHWXB, Installation Instructions Manual

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Installation Instructions
Bosch Climate 5000 Series 24 Volt Interface (06.2022)
Dip Switch 2-2
Used for freeze protection of the indoor coil.
SW2-2 Result Note
ON Fan does not stop
OFF Fan will stop if the indoor coil temperature is too low Default
Table 12
Applicable only while system is running in Heating mode.
Dip Switch 3-1
Dry is used for thermostats with a Dry Function output. An auxiliary heater is used
on the Ducted Indoor Units to control a secondary Heat Source.
SW3-1 Result Note
ON
Dry
OFF Aux-heater Default
Table 13
Dip Switch 3-2
Used to increase the compressor frequency in case the set point has not been
reached after 1 hour or 3 hours of operation.
SW3-2 Result Note
ON 1h
OFF 3h Default
Table 14
Dip Switch 4-1
For factory test only.
SW4-1 Note
OFF Default
Table 15
Dip Switch 4-2
For factory test only.
SW4-2 Note
OFF Default
Table 16