Connection - Heat Controller 7602-444 Operation Manual

Heat Controller, Inc.

1.0 Connection

The Communicating Service Tool (7602-444) allows install and service technicians to confi gure and diagnose Digital
Communicating Units without installing a digital communicating thermostat.
Using the Service Tool, a technician can ELECTRONICALLY:
1. Confi gure items like: airfl ow, heat pump options and confi guration, unit family, unit size, etc.
AND
2. Diagnose the unit by operating it manually, performing control diagnostics, viewing dip switch confi gurations, or by
viewing fault history and operating conditions when a fault occurred.
The Service Tool connects to the DXM2 board with a 4-Wire Connector as shown below:
7602-444 SERVICE TOOL
DXM2 DXM2
Board Board
Service tool
connection
3
Operating Manual
DXM2
Board