common cure is to simply select a moderate thermostat
system switch in COOL and selecting appropriate set
setting and let the air conditioner run. By applying
points for example, 85° F [29° C] and 50 percent RH,
either a low voltage thermostat in combination with an
either device will be able to control the air conditioning
H46C
Dehumidistat or a W884E Comfort Center, mildew equipment. This independent operation will allow the
can be reliably prevented and air conditioning energy
higher temperature set point and still prevent mildew by
use can be oDtimized. The dehumidistat and thermostat
controlling humidity. For wiring diagrams See Figs. 3
should be
w“ired
in parallel such that by leaving the
and 4.
-
Q539A T87F INTERNAL SCHEMATIC
~—––-.
I
/+\
FILTER
@
L,~~T
I
I
I
I
I
HEAT OFF COOL
HEAT oFF COOL
i
J$
&v&
1
)
q,
A
“
‘----:
“
,
\
~,
B
o
w
Y
I
I
I
I
.
4
I
HEATING ‘
RELAY
OR
VALVE
COIL
I
?
COOLING
FAN
CONTACTOR
RELAY
COIL
~
~:~&::VERLOADPROTECTIONA
NOD
ISCONNECTMEANSAS
COIL
~
HEATING OAMPERMOTOR{IF”SEO,.
1
~CLOGGED
FIL7ERSWITCH
OR
COOLING
PANEL CONNECTION.
r’+
A
10,763
FIG. 3—TYPICAL PARALLEL WIRING DIAGRAM OF H46C WITH T67F/Q539A COMBINATION FOR DEHUMIDIFI-
CATION AND MILDEW CONTROL.