Field Controls Heat Recovery Ventilator FC95HRV. - Manual (Page 25)

25
Installation of the DHVC Ventilation Control with 20/40/60 Minute Timers (test c)
1
2
3
4
5
6
7
8
9
10
LO
ON
R
Y
G
HI
C
NO
NC
BK
FACTORY-INSTALLED JUMPER
FOR STANDBY-OFF OPERATION.
SEE “SETTING STANDBY” SECTION
OF INSTALLATION INSTRUCTIONS
LO
HI
24C
R C W Y G R Y W G
THERMOSTAT FURNACE OR
HEAT PUMP
HRV/ERV WIRING TERMINALS
12V/24 VAC Field wiring, 20 AWG min. required
* Connect V Terminal on the HHSC Control to the Hi Terminal (instead of Lo) for a shorter ventilation period.
** One DH-1 Dehumidistat and/or one or more VTC timer controls may be connected as shown. Connect all
Red, Yellow, and Green control terminals to the corresponding HRV/ERV terminals.
R
Y
G
Y
R
G
Y
R
G
VTC VENT TIMER CONTROL
(OPTIONAL)** VTC VENT TIMER CONTROL
(OPTIONAL)**
DHVC VENTILATION
CONTROL
NOTE: These connections are not necessary
if the system is configured as fully
dedicated (no central HVAC connections).
%
80
20
HIGH