1721/18UE
8-3
Electronics
Item
Part Number
Description
1 826-2256
Interface Board- (All Except Electronic Thermostat
Controller)
2 826-2031
Thermatron Board- (Electronic Thermostat Controllers
Only)
3
807-0855
Transformer, 120V, 50/60 Hz –12V 20VA (480V Units)
*
807-0979
Transformer, 208-240V, 50/60Hz –12V 20VA
4
807-0800
Transformer, 120V 50/60 Hz –24V 50VA (480V Units)
*
807-0680
Transformer, 208-240V, 50/60Hz –24V 20VA
5 807-3611
Relay,
24VAC
6
807-1071
Contactor, Mercury- 240VAC 30-Amp (17 kW Units)
*
807-0884
Contactor, Mercury- 240VAC 50-Amp (21 kW Units)
7
810-1202
Contactor, Latching- 40-Amp, 3-Pole
* 807-2278
Fuse,
20-Amp
8
806-3660
Sound Device- All Except KFC18E
9
806-5974SP
Speaker, Sound- KFC18E Only
*
807-3577
Breaker, Circuit 7 amp (120V Filter Circuit)
* 807-2104
Microswitch
* 807-3932
Relay,
12VDC
* Not illustrated.