Controller Operation; Heating / Cooling Mode; Domestic Hot Water Function; Frost Protection - Carrier 80AW9025 Installation Manual

Controller operation

See hydronic module documentation.

Heating / cooling mode

See hydronic module documentation.
Zone 2 has independent climatic curve settings.
If room temperature is measured by the system (code 105.0=1
or 2 or 4 for zone 1; code 105.1=1 or 2 or 4 for zone 2), water

Domestic hot water function

See hydronic module documentation.
Room priority is calculated for both zones.

Frost protection

See hydronic module documentation.
It is active for both zones

Home antifreeze protection

See hydronic module documentation.
If enabled, it works only if room temperature is measured by

Water pump management

See hydronic module documentation.
To enable this function in zone 1, set code 1.6=1; to enable it
in zone 2, set code 1.7=1.

Pump unblocking procedure

See hydronic module documentation.
It is active for both zones

Valve operation

3 way valve is controlled to make sure TW1 temperature
is corresponding to zone 1 water setpoint, determined as
described in paragraph Heating/cooling mode.
setpoint calculated through climatic curves
is adjusted so that the room temperature matches the room
setpoint.
the system (code 105.0=1 or 2 or 4 for zone 1; code 105.1=1
or 2 or 4 for zone 2).
If enabled, it works only if room temperature is measured by
the system (code 105.0=1 or 2 or 4 for zone 1; code 105.1=1
or 2 or 4 for zone 2).
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