White Rodgers 1F92W-51 - Manual (Page 17)

17
SYSTEM CONFIGURATION
ANY TIME AN OPTION SWITCH IS CHANGED,
THE 9 VOLT ENERGIZER
® BATTERY MUST BE
REMOVED FOR A MINIMUM OF 2 MINUTES.
NOTE
SET OPTION SWITCHES
1. Single Stage Compressor Heat Pump — with
reversing valve energized through B or O termi-
nals
2. Two Compressor (Split) System
Figure 8. Back of thermostat
Option switches 9-pin connector
4-pin connector Battery
W18
ON
1 2 3 4
Switch #1
Switch #2
Switch #3
Switch #4 (see step 6) OFF
OFF
OFF
W1 Y1 Field jumper W1 & Y1
ON
1 2 3 4
Switch #1
Switch #2
Switch #3
Switch #4 (see step 6) OFF
ON
OFF
W1 Y1 Field jumper W1 & Y1