Service manual

06/2010
Red LED Green LED
Yellow
Test Point
Blue Test
Point
T_set Pot
Orange
Test Point
1329
1330
1331
Black Test
Point
ACAL
Jumper
JMP 1
Jumper
1076
1333
Alarm
Connector
(not used)
Micro
processor
Relay
Brown Test
Point
1076 Modulating Gas Valve Connection
1329 Thermister Wiring Harness Connector
1330 Flowmeter Connection
1331 Power Supply Wiring Harness Connector
1333 DSI Wiring Harness Connector
Alarm Alarm Connector Not Used (in this application)
ACAL Jumper Jumper for Auto-Cal
JMP 1 Jumper Board Function Jumper
Orange Test Point Test Point for T_out Thermister
Yellow Test Point Test Point for T_mid Thermister
Blue Test Point Test Point for Setting Temperature
Brown Test Point Test Point for Modulating Valve
Black Test Point Test Point for Ground (common)
Electronic Control Board 200-14
Revision 04/04