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IX− Field Wiring
TABLE 30
Field Wiring for Non−Communicating Thermostat Applications
Thermostat
DIP Switch Settings and On−Board Links (figure 4)
Wiring Connections
DIP Switch 1
W915
(Y1 to Y2)
Two−Stage
Cooling
W914
(DS to R)
Dehumidifi-
cation or
Harmony III
W951
(O to R)
Heat Pumps
1Heat / 1 Cool
NOTE − Use DIP
switch 3 to set
second−stage
heat ON delay.
OFF−7 minutes.
ON−12 minutes.
ON
Intact
Intact
Intact
S1
T’STAT
CONTROL
TERM. STRIP
OUTDOOR
UNIT
*
1 Heat / 2 Cool
NOTE − Use DIP
switch 3 to set
second−stage
heat ON delay.
OFF−7 minutes.
ON−12 minutes.
ON
Cut
Intact
Intact
S1
T’STAT
CONTROL
TERM. STRIP
OUTDOOR
UNIT
*
1 Heat / 2 Cool
with t’stat with
dehumidification
mode
NOTE − Use DIP
switch 3 to set
second−stage
heat ON delay.
OFF−7 minutes.
ON−12 minutes.
ON
Cut
Cut
Intact
S1
T’STAT
CONTROL
TERM. STRIP
OUTDOOR
UNIT
*
* R" required on some units.