Crown CSHB60-90XE operation manual Wiring & Switches, Board Layout with Switches

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All installations and services must be performed by qualified service personnel.

B. WIRING & SWITCHES

: TURN OFF THE ELECTRICAL POWER to the furnace before attempting to disconnect blower wiring.

Figure 2: BOARD LAYOUT WITH SWITCHES

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Contents Model Index Section Beginning EAC Wiring & Switches Board Layout with SwitchesOutputs Operating Modes Blower Delay Heating Speed Set-ups CFM TablesCooling Speed Set-ups General Guidelines to Troubleshooting GE ECM Driven Systems II. ECM Trouble Shooting A. Diagnostc FeaturesSymptom CAUSE/PROCEDURE Excessive noise Evidence of MoisturePerform Moisture Check DON’TTroubleshooting Charts Comfort CheckYES Is There Supplied to MOTOR? Disconnect 16 PIN Sequence of Operation ECM PSC Replacement