15
4. CONTROLS
(
CONT
’
D
)
NO C NC I OC OL Y R G B
20-MINUTED LIGHTED PUSH BUTTON
(5 MAXIMUM)
60-MINUTE
CRANK TIMER
DEHUMIDISTAT
VE0290A
COM
FOR T ZO
N E
O
FF
%
REL
ATIVE HUMIDIT
Y
70%
60%
50%
40%
30%
25%
20%
DEHUMIDISTAT
NOTE: If an optional auxiliary wall control is
activated and then, the Dehumidistat
is being activated, this one will override
the auxiliary wall control commands.
Once the control(s) connections have been made, insert the terminal connector on the
recessed side of electrical compartment.
NOTE: For information about the operation of the wall controls, refer to the user guide.
VD0206
B
OTTOM
OF
THE
UNIT
T
ERMINAL
CONNECTOR
5. ELECTRICAL CONNECTION TO THE FURNACE
WARNING
!
Never connect a 120-volt AC circuit to the terminals of the furnace interlock (standard wiring). Only use the low
voltage class 2 circuit of the furnace blower control.
For a furnace connected to a cooling system:
On some older thermostats, energizing the “R” and “G” terminals at the furnace has the effect of energizing “Y” at the thermostat and
thereby turning on the cooling system. If you identify this type of thermostat, you must use the
ALTERNATE
FURNACE
INTERLOCK
WIRING
.
STANDARD
FURNACE
INTERLOCK
WIRING
ALTERNATE
FURNACE
INTERLOCK
WIRING
W
R
G
Y
W
R
G
C
Y
UNIT TERMINAL
CONNECT
OR
THERMOSTAT
TERMINALS
FOUR
WIRES
TWO WIRES
heating only
FURNACE
24-VOLT
TERMINAL BLOCK
TWO WIRES
COOLING SYSTEM
N
O
C
N
C
I O
C
OL
Y
R G B
W R G
Y
W
R
Y
R
G
Y
C
THERMOSTAT
TERMINAL
4 WIRES
2 WIRES
heating only
wiring
nuts
FURNACE
24-VOLT
TERMINAL BLOCK
2 WIRES
COOLING SYSTEM
NO
NC
C
UNIT TERMINAL
CONNECT
OR
N
O
C
N
C
I OC
O
L
Y
R G B
VE0108A
4.5 E
LECTRICAL
C
ONNECTION
TO
O
PTIONAL
A
UXILIARY
C
ONTROLS
