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Heat Controller, Inc. 7602-443 COMMUNICATING, PROGRAMMABLE THERMOSTAT Installation Manual
Two
connections
on DXM2
board to allow
for multi-unit
installation
Or
3.5 MULTI-UNIT CONFIGURATION
If multiple units are connected to one ATC thermostat upon
unit start-up, the thermostat will automatically register the
serial numbers of all units connected to it.
NOTE: Multiple units may be connected directly to the ATC
thermostat or connected to one another in series, as shown
by the fi gure below.
3.5.1 MULTI-UNIT AIRFLOW SELECTION
In section 3.1, when an installer selects “Airfl ow
Selection” from the System Confi guration menu,
the installer may choose the unit to confi gure
by the last 4 digits of its serial number from the
following screen.
3.5.2 MULTI-UNIT OPTION SELECTION
In section 3.2, when an installer selects “Option
Selection” from the System Confi guration menu,
the installer may choose the unit to confi gure
by the last 4 digits of its serial number from the
following screen.
3.5.3 Multi-Unit, Unit, & Valve Confi guration
To confi gure Unit and Valve options in sections 3.3-
3.4, the thermostat must be connected to only one
unit at a time.
AIRFLOW SELECTION
HE024 S N - - - - - 1 2 3 4
HE024 S N - - - - - 5 6 7 8
HE036 S N - - - - - 9 0 1 2
PREVIOUS SELECT
OPTION SELECTION
HE024 S N - - - - - 1 2 3 4
HE024 S N - - - - - 5 6 7 8
HE036 S N - - - - - 9 0 1 2
PREVIOUS SELECT