Newer hot-air furnaces feature printed circuit control. The board shown in Fig. 2-8 is such that it is easy for the technician installing the furnace…
Tag: Hot Air Furnace
The room thermostat should be located where it will be in the natural circulating path of room air. Avoid locations where the thermostat is exposed…
Make the field low-voltage connections at the low-voltage terminal strip shown in Fig. 2-7. Set the thermostat heat anticipator at 0.60 A (or whatever is…
The installation of a new furnace requires you to follow a factory diagram furnished in a booklet that accompanies the unit. The wiring to be…
Figure 2-4 shows how the manufacturer represents the location of the various furnace devices. The solid lines indicate the line voltage to be installed. The…
Electrical schematics are used to make it simple to trace the circuits of various devices. Some of these can appear complicated, but they are usually…