Connecting The Controls - Broan ERVS100S Installation And User Manual

3 Installation
3.5 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.
3.5.1 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 mode
Unit will run in the
Dry contact ope-
selected mode
ned
Unit is kept in
Dry contact closed
Standby mode
3.5.2 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.
3.5.3 Connecting unit to a Standby switch AND 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. Install the Standby switch in a convenient place.
3. Connect both with the unit as follows.
Switch position Unit mode
Unit will run in the
Dry contact ope-
selected mode
ned
Unit is kept in
Dry contact closed
Standby mode
This connection allows the operation of VB20W push-button controls even if the dry contact standby switch is turned off.
(cont'd)
Refer to 4.1
VE0357A
ON ON
I
I
OC
OC
OL
OL
VE0358A
B
ROAN
-
PUSH
ON
Refer to 4.1
I
OC
OL
VE0359A
R
Y
B
G
CAUTION
R
Y
B
G
Y
G
R
B
VB20W
20- . D
MIN RY CONTACT
S
BUTTON CONTROL TANDBY SWITCH
ON
I
OL OC
RED
YELLOW
BLACK
GREEN
10
R
Y
B
G
R
Y
B
G
Y
G
R
B
RED
YELLOW
BLACK
GREEN
RED
YELLOW
BLACK
GREEN