Cor HRVCRSVU1157 Installationsanleitung Handbuch - Seite 11
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NO C NC I OC OL Y R G B
NOTE: If an optional auxiliary control is activated and then, the
Dehumidistat (or Humidity Control) is being activated, the
Dehumidistat (or Humidity Control) will override the auxiliary
control commands.
Once the control(s) connections have been made, insert the
terminal connector on the recessed side of electrical compartment.
See Fig. 25.
Terminal
connector
Bottom of the unit
Fig. 25 - Terminal connector
Standard furnace interlock wiring
W
R
G
Y
FOUR
WIRES
TWO WIRES
heating only
W
R
G
C
Y
FURNACE
24-VOLT
TERMINAL BLOCK
Fig. 24 - Electrical connection to 20- minute lighted push button timer(s)
THERMOSTAT
TERMINALS
TWO WIRES
COOLING SYSTEM
Fig. 26 - Electrical connection to furnace
PUSH-BUTTON SWITCHES
NOTE: For information about the operation of the wall controls,
refer to the user guide.
ELECTRICAL CONNECTION TO THE
!
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal injury
or death.
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. See Fig. 26.
A11219
Alternate furnace interlock wiring
4 WIRES
2 WIRES
heating only
W
R
R
G
C
Y
Y
FURNACE
24-VOLT
TERMINAL BLOCK
11
20-MINUTE
(5 MAXIMUM)
FURNACE
WARNING
THERMOSTAT
W
R
G
Y
TERMINAL
wiring
nuts
NO
NC
C
2 WIRES
A11214
COOLING SYSTEM
A11215