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3
NOTE
Wall Cover Plate
Figure 3. Mounting 1F9X digital thermostat to wall
Wall
Thermostat
Thermostat Subbase
No. 6 X 1” pan-head screws
(supplied with thermostat)
Wall Cover Plate
Junction Box
50 60 70 80 90
9
1
2
3
6
9
1
2
3
6
DAY
90
80
70
60
50
HI
LO
Thermostat
AUTO
OFF
FAN
ON
SYSTEM
COOL HEAT
Thermostat
Subbase*
Wall Mounting
Plate*
Figure 4. Mounting 1F7X quartz clock thermostat to horizontal junction box
6-32 X
3
⁄
4
” flat-head
machine screws
*Do not use both subbase and wall
mounting plate – see note, above.
6-32 X
3
⁄
4
” flat-head
machine screws
When installing wall cover plate and thermostat directly to
wall, use the pointed screws supplied with the thermostat.
FOR 1F7X QUARTZ CLOCK THERMOSTATS
Do not install the wall mounting plate and subbase at the
same time. The thermostat will not operate properly if both
wall mounting plate and subbase are installed.
NOTE