Service manual

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17. WIRING DIAGRAMS - THERMOSTAT
Diagram 1976E119
Electronic Wall Thermostat Assembly (12 VDC) - 6536-3451
Thermostat plug positions on the p.c. board. If no voltage is detected at the p.c. board connector,
check for voltage at the thermostat. Note: All functions of this heat pump are subject to thermostat
time delays according to the operation manual.