Williams 1773512, 1773511 installation instructions Electrical Wiring Diagram Key

Electrical Wiring Diagram

Key:

EV, EV1	Gas Valve 1 (Safety Shutter)	Vanne Gas 1 (Securite’)
EV2	Hi-Lo Flame Operator	Operateur Haute-Basse Flamme
M	Fan Motor	Moteur du Ventilateur
M1	Overheat Thermostat	Thermostat de Surchauffe
M2	Fan Thermostat	Thermostat de Ventilation
M9	Mains Fuse – 5x20 size – 4A	Pressostat de Circuit De Combustion
RP8	Flame Sensor	Electrode de Detection de Flamme
RP7	Spark Igniter (n. 2 pcs)	Electrode D’Allumage
S	Combustion Blower Motor	Moteur du Ventilateur de Combustion
SF	Flame View Lamp (green lamp)	Lampe de Presence de Flamme (Verte)
SB	Lock-Out Lamp (red lamp)	Lampe de Verrouillage (Rouge)
TR	Current Transformer 120-24 V	Transformateur 120-24 V
Z1	Reset and Summer – Winter Switch	Rearmement et Bouton Ete’ - Hiver
Z2	Hi-Lo Flame and Fan Speed Switch	Bouton Haute-Basse Flamme – Vitesse Ventil.
Z3	Manual – Program Mode Switch	Bouton Manuel – Programme’
Z8	Programmable Timer	Interrupteur Horaire
Z9	Room Thermostat	Thermostat D’Ambiance
L1	Supply Line – Live Wire	Allimentation - Phase
L2	Supply Line – Neutral Wire	Alimentation - Neutre
GND	Supply Line – Ground Wire	Alimentation - Masse

Figure 9

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