Wiring Diagram, Whole House Fan
24V
WH FAN
DAMPER
COM
OPN
Model H32
PN 58001
1202
Wiring Hub
24V
AC, 10V
A
Made in USA
C
N
O
O
L
T
S
R
F
I
E
L
D
R
A relay (White Rogers 90-370) can in installed within the
electrical box on the whole house fan and controlled by the
Wiring Hub. The Wiring Hub applies 24 VAC to the OPN
terminal that activates the external relay that controls line
voltage to the whole house fan. The whole house fan can be
timer or temperature controlled using the Options below.
Whole
House
Fan
Line Voltage
Neutral
Line Voltage
Hot
1
5
2
3
6
4
Relay 90-370
1,3 24VAC Coil
4,6 Common
5 NC
2 NO
Select ON if a whole house fan is controlled
by the thermostat.
Factory Default: OFF. Range: On or Off.
Enable Free Cooling using Whole House Fan
Enable Free Cooling using Damper and Equipment Fan
Whole House Fan controlled by Temperature
Damper and Fan controlled by Temperature
Whole House Fan Outdoor Temperature Limit
Damper and Fan Outdoor Temperature Limit
Whole House Fan Control by Timer
Damper and Fan Control by Timer
Option
NEXT
ENTER
Select ON to control the Whole House Fan
using the outdoor, room and cooling
setpoint temperatures.
Select ON to control the Whole House Fan
using the outdoor, room and cooling setpoint
temperatures.
Factory Default: OFF. Range: On or Off.
Factory Default: OFF. Range: On or Off.
Option
Option
NEXT
NEXT
ENTER
ENTER
Select ON to control Whole House Fan or
Economizer using a 1 to 12 hour timer set
in the thermostat by the homeowner using
the User Menu. The timer starts when the
System is switched to ECool. When the
timer expires, the System is set to Off.
Select ON to control Whole House Fan or
Economizer using a 1 to 12 hour timer set in
the thermostat by the homeowner using the
User Menu. The timer starts when the System
is switched to ECool. When the timer expires,
the System is set to Off.
Factory Default: OFF. Range: On or Off.
Factory Default: OFF. Range: On or Off.
Option
Option
NEXT
NEXT
ENTER
ENTER
Select the number of degrees the outdoor
temperature must be below the room
temperature to activate the Economizer or
Whole House Fan.
Select the number of degrees the outdoor
temperature must be below the room
temperature to activate the Economizer or
Whole House Fan.
Factory Default: 0. Range: 0-10 degrees.
Factory Default: 0. Range: 0-10 degrees.
Option
Option
NEXT
NEXT
ENTER
ENTER
Wiring Diagram, Whole House Ventilation
Using Damper and Equipment Fan
24V
WH FAN
DAMPER
Supply Plenum
Damper
Red
White
Blue
COM
OPN
Model H32
PN 58001
1202
Wiring Hub
24V
AC, 10V
A
Made in USA
C
N
O
O
L
T
S
R
F
I
E
L
D
R
A damper can be installed on the supply air plenum and the
equipment fan is used to bring cool outdoor air into the home and
exhaust the return air into the attic. When the ECool mode is
selected the damper opens and the equipment fan is activated
based on temperatures or a built-in timer.
Select if dampers and the equipment fan is
used to bring in cool outdoor air for cooling.
See the Wiring Hub Installation for different
economizer configurations.
Factory Default: OFF. Range: On or Off.
Option
NEXT
ENTER
Warning!
!
Turn power off before wiring. The relay must be installed within
a UL conforming electrical enclosure to prevent electrical shock.
!
Windows must be open to allow outdoor air to enter
the home.
!
Windows must be open to allow outdoor air to enter
the home.
INSTALLER
page 12 of 16
P/N 780101720 3/18 Rev A
D
WG
: 780301212
D
WG
: 780301211
FC P/N: 510900300
