Advertisement
common cure is to simply select a moderate thermostat
setting and let the air conditioner run. By applying
either a low voltage thermostat in combination with an
H46C Dehumidistat or a W884E Comfort Center, mildew
can be reliably prevented and air conditioning energy
use can be oDtimized. The dehumidistat and thermostat
should be w"ired in parallel such that by leaving the
10,763
FIG. 3—TYPICAL PARALLEL WIRING DIAGRAM OF H46C WITH T67F/Q539A COMBINATION FOR DEHUMIDIFI-
CATION AND MILDEW CONTROL.
system switch in COOL and selecting appropriate set
points for example, 85° F [29° C] and 50 percent RH,
either device will be able to control the air conditioning
equipment. This independent operation will allow the
higher temperature set point and still prevent mildew by
controlling humidity. For wiring diagrams See Figs. 3
-
and 4.
Q539A T87F INTERNAL SCHEMATIC
I
FILTER
I
I
I
I
HEAT OFF COOL
HEAT oFF COOL
B
o
w
Y
\ ~,
.
I
HEATING '
RELAY
OR
VALVE
COIL
I
COOLING
CONTACTOR
COIL
,
I
I
FAN
RELAY
COIL
1
Advertisement
