Electrical Connection To The Furnace - Carrier HRVXXSVU1157 Installation Instructions Manual

DEHUMIDISTAT or
HUMIDITY CONTROL
(OPTIONAL)
20-MINUTE
60-MINUTE PUSH-BUTTON SWITCHES
CRANK TIMER (6 MAXIMUM)
O
NO} C ING] | FOGOL| Y|R] GB
Ati214
Fig. 24 - Electrical connection to dehumidistat, 20-minute lighted push button timer or 60-minute crank timer
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
N.
a
>
&
vy
Bottom of the unit
A11219
Fig. 25 - Terminal connector
Standard furnace interlock wiring
THERMOSTAT c
TERMINALS S
FOUR nm
WIRES > z
TWO WIRES ~~. z
heating only rm
2
Q
Zz
z
m
g
2
a
FURNACE
24-VOLT
TERMINAL BLOCK
TWO WIRES COOLING SYSTEM
NOTE: For information about the operation of the wall controls,
refer to the user guide.
ELECTRICAL CONNECTION TO THE
FURNACE
4 WARNING
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.
Alternate furnace interlock wiring
THERMOSTAT
4WIRES TERMINAL
2 WIRES
heating only
wiring
nuts
FURNACE
24-VOLT
TERMINAL BLOCK
2 WIRES
COOLING SYSTEM
Ati215
Fig. 26 - Electrical connection to furnace
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