AC Volmeter
Y99AW-1
1
2
3
4
5
6
Pilot
Valve
GR
Main
Damper
Plug
Flame
Sensor
Figure 3: Y99AW-1 Flame Simulator and AC Voltmeter
Connected Across Main Valve Connections
4 Y
—Y99AW-1 Flame Simulator Technical Bulletin
Page 1: ...ectifies the current and sends a signal back to the control that is larger than the minimum current required for proper operation The Y99AW 1 can be used to test all G60 G65 G66 G67 CSA G600 G670 G72x G73x G75x G76x and G77x ignition controls Note The G72x G75x and G76x are direct ignition systems They do not have a separate pilot valve Both valve seats in the redundant valve open simultaneously Y...
Page 2: ... dégâts matériels Etiquetez tous les câbles avant de débrancher l équipement Le non respect de cette précaution peut amener un fonctionnement anormal après redémarrage de l équipement 1 Open the thermostat contacts 2 Disconnect the flame sensor cable from Terminal 4 on the ignition control 3 Connect the Y99AW 1 lead with the 6 35 mm 1 4 in spade connector to the sensor connection Terminal 4 on the...
Page 3: ...Terminals 3 and 5 or Terminal 3 and ground View the ignition control cover for specific wiring information 7 Connect the Y99AW 1 lead with the alligator clip to a ground terminal on the ignition control The spark should shut off within 15 seconds and 24 VAC should appear on the meter If this does not occur replace the control AC Voltmeter Y99AW 1 1 2 3 4 5 6 GR GR Pilot Valve Main Valve Flame Sens...
Page 4: ...r Y99AW 1 1 2 3 4 5 6 Pilot Valve GR GR Main Valve Damper Plug Flame Sensor Figure 3 Y99AW 1 Flame Simulator and AC Voltmeter Connected Across Main Valve Connections 4 Y Y99AW 1 Flame Simulator Technical Bulletin ...
Page 5: ...s and located in pilot gas stream Replace control End Yes No No Correct or replace pilot burner Yes Replace pilot burner No Yes Replace cable Is 24 VAC present between Terminal 1 and ground Yes Replace control No Figure 4 Checkout Procedure Refer to the Y99AW 1 Product Bulletin LIT 4350870 for necessary information on operating and performance specifications of this product Checkout Procedure Buil...