Connecting The Controls - Broan ERVS100S Installation And User Manual

3 Installation
3.3 Installing the Registers, Ductwork and Hoods
3.3.3 Hoods
Refer to applicable building codes to plan where the stale air exhaust hood and fresh air distribution hood should be installed.
Below are some general recommendations.
Make sure the intake hood is at least 6 feet away from any of the following:
• Dryer exhaust, high efficiency furnace vent, central vacuum vent
• Gas meter exhaust, gas barbecue-grill
• Any exhaust from a combustion source
• Garbage bin and any other source of contamination
• There must be a minimum distance of 6' between the hoods to avoid cross-contamination.
• Hoods must be at least 18" above the ground.
• Exhaust hood must have a backdraft damper.
3.4 Connecting the Controls (energized by unit, low voltage)
• Controls are not included with this unit.
• Unit may be connected to a dry contact Standby switch if desired. In such case, unit remains powered on, but is put in Standby
mode when the switch is turned on.
• This ERV can replace up to 2 bath fans. Where this is the case, unit should be connected to a 20-minute override control in
each bathroom.
3.4.1 Connecting unit to a Standby switch
Install the dry contact Standby switch in a convenient place and connect it to unit as follows.
Ensure all unused wires are capped off.
Switch position
Unit will run in the
Dry contact opened selected mode
Unit is kept in
Dry contact closed
Standby mode
3.4.2 Connecting unit to 1 or 2 Broan VB20W 20-minute push-button control(s)
1. Install the 20-minute push-button control in the bathroom(s) following instructions included with the control.
2. Connect it to unit as follows.
(cont'd)
Unit mode
Refer to 4.1
VE0357A
ON ON
I
I
OC
OC
OL
OL
VE0358A
(cont'd)
!
WARNING
CAUTION
R
Y
B
G
Y
G
R
B
9
R RED
Y YELLOW
B BLACK
G GREEN
R RED
Y YELLOW
B BLACK
G GREEN