Electrical Connection To Optional Auxiliary Controls; Electrical Connection To The Furnace - Broan ERV140TE Guia De Instalacion

4. CONTROLS (
CONT
4.5 E C
LECTRICAL ONNECTION TO
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.

5. ELECTRICAL CONNECTION TO THE FURNACE

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
STANDARD FURNACE INTERLOCK WIRING
W R G
FOUR
WIRES
TWO WIRES
heating only
W
R
G
C
Y
FURNACE
24-VOLT
TERMINAL BLOCK
VE0108A
' )
D
O A
PTIONAL UXILIARY
NO C NC I OC OL Y R G B
VE0290A
THERMOSTAT
TERMINALS
Y
TWO WIRES
COOLING SYSTEM
C
ONTROLS
! WARNING
ALTERNATE FURNACE INTERLOCK WIRING
4 WIRES
2 WIRES
heating only
FURNACE
24-VOLT
TERMINAL BLOCK
15
60-MINUTE
DEHUMIDISTAT
CRANK TIMER
20%
DEHUMIDISTAT 25%
70%
60%
30%
40% 50%
T
ERMINAL
CONNECTOR
B
OTTOM OF THE UNIT
VD0206
ALTERNATE FURNACE INTERLOCK WIRING
THERMOSTAT
W R G Y
TERMINAL
wiring
nuts
W
NO
NC
R
R
G
C
C
Y
Y
2 WIRES
20-MINUTED LIGHTED PUSH BUTTON
(5 MAXIMUM)
.
COOLING SYSTEM