Hunter Fan PH20-30A - Manual (Page 12)

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Symbol Description
B1 Blower Motor
ECM Electronic Control Module
E1 Igniter
L1 Solenoid Valve
LED1 L.E.D. Assembly
PS1 Pressure Switch
S1 Tilt Switch
S2 Overheat Thermostat
S3 Room Thermostat (optional)
S4 Comfort Control Thermo.
SW1 Main Switch
TB Terminal Block
LT1 External Diagnostic Light (optional)