Page 74
G32V−4 OPERATION SEQUENCE AND JUMPERS SUMMARY WITH VSP3 (HEATING)
MATCH UP
COMMENTS OR SEQUENCE
Single-Stage Heating
with Single−Stage
Thermostat
Blower operates on
high speed during the
heating mode.
Two-Stage Heating
With Single−Stage
Thermostat
No
Jumpers
Blower operates on low
speed during the first stage
of heating. Blower operates
on high speed during
second−stage heating.
Harmony Heating No
Jumpers
Blower operates on PWM signal
generated by Harmony. Harmo-
ny overrides blower speed taps.
Blower speed varies according
to zone demand.
TABLE 36
WIRING CONNECTIONS
FOR COOLING JUMPERS
SEE COOLING SECTION
BELOW
T−Strip
Jumper
Mode of
Operation
No
Jumpers
One−Stage
W2 Timed
Two−Stage
Remove pin #3 of the J73 plug on
the VSP control, and pins #2
and 13 of the J49 plug at the
motor. See figure 15 and 22. Insulate
ends to prevent them from shorting.
Low and high fire controlled by
temperature modulating switch.
(continued on following page)
Jumper
TEMPERATURE
SWITCH
MODULATING