①
Power button
②
System switch
(HEAT, COOL)
③
Fan switch
(AUTO, ON)
④
Sleep operation button
⑤
▲
Raises Temperature setting
⑥
▼
Lower Temperature setting
⑦
Room temperature
⑧
Setting temperature
⑨
Indicate fan switch position
⑩
Heat on
shows when the thermostat
is calling for heat
Cool on
shows when the thermostat
is calling for cool.
○
11
Shows system mode
I
NSTALL THE THERMOSTAT
ATTACH THERMOSTAT BASE TO WALL
1.. Remove 2 screws from the bottom of
thermostat. Gently pull the control panel
straight off the base. Forcing or prying on the
thermostat will cause damage to the unit.
2. Connect wires beneath terminal screws on
power supply module using appropriate
wiring schematic. See figure 4
3. Push power base into wall or
86mmX86mm conduit box.
4. Using two mounting screws mount the power
base to the wall. Place a level against bottom
of base, adjust until level, and then tighten
screws. (Leveling is for appearance only and
will not affect thermostat operation.)
5. Replace control panel on the power base
and fix power base and control panel by
removed two screws in item 1
WIRING DIAGRAM
Screw for mounting thermostat to conduit box
Figure 3
Screw for fixing control panel and power base
Panel base
Control panel
8
1
3
2 4 V A C
24VAC
COMMON
2
FAN
RELAY
4
5
6
COOL
RELAY
HEAT
RELAY
9
C
Y
G
R
W
Figure 4
2
Summary of Contents for ONX908STW-0
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