111
FIGURE 90
WIRING DIAGRAM FROM TWO-STAGE HEAT (NON-COMMUNICATING)
* NO MECHANICAL THERMOSTATS.
** 40% FIRING RATE IN TWO-STAGE OPERATION
(DIP SWITCH SET SW2 — SWITCHES 1 & 2 ON).
*** 65% and 100% FIRING RATE IN TWO-STAGE OPERATION (W & W2 ENERGIZED).
**** 2 STAGE COOLING ONLY.
YH (Y2)
Y (Y
2)
Y
L (Y1)
YL (Y1)
****
****
Y Y
2
2-STAGE ELECTRONIC THERMOSTAT*
(NON-COMMUNICATING)
FIGURE 91
WIRING DIAGRAM – SPECIAL CONFIGURATION: COMMUNICATING THERMOSTAT AND FURNACE WITH NON-COMMUNICATING CONDENSER
NOTE:
DEHUMIDIFICATION FUNCTION FROM A
COMMUNICATING THERMOSTAT WILL NOT
BE POSSIBLE WITH THIS CONFIGURATION.
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