The sensor connectors areprovided on the rear panel of the furnace for con-
nectingthe control and cutout thermocouples. They are Type K miniature con-
nectors and allowfor ease of system assembly and sensor replacement.
5.3 Back View
See Figure3 .

5.3.1 The Power Cable

The furnace isprovided with a 12 gauge two conductor with ground power ca-
ble. The user must providea connector to meet the needs of the installation. Be
sure to followelectrical codes. A separate permanent earth ground is provided
with this instrument. This is required to be installed correctly for safe operation
of the instrument.

5.3.2 Nomenclature

The nomenclatureon the rear of the furnace providesinformation to the user in
case serviceis required. The nomenclature includes the manufacturer, manufac-
turer location,model number, and serial number specific to this unit. Refer to
the modelnumber and serial number whenever service is required.

5.3.3 Fuses

Two20 A F 250 V fuses are used to protect the system, one for each leg of the
230 VACpower. The fuses are located inside the control cabinet. If the furnace
fails to operate, check the fuses first.
Two1 A F 250 V fuses are located inside the control cabinet for the controller.
21
5 Parts and Controls
Back View