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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.
FIGURE 91
WIRING DIAGRAM – SPECIAL CONFIGURATION: COMMUNICATING THERMOSTAT AND FURNACE WITH NON-COMMUNICATING CONDENSER
2-STAGE ELECTRONIC THERMOSTAT*
(NON-COMMUNICATING)
Y
(Y
)
H
2
Y
(Y
)
****
L
1
Y Y
2
Y (Y
Y
NOTE:
DEHUMIDIFICATION FUNCTION FROM A
COMMUNICATING THERMOSTAT WILL NOT
BE POSSIBLE WITH THIS CONFIGURATION.
)
2
(Y
)
****
L
1
111
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