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Installing A Tandem Transition* Kit - Broan ERVS100 Manual De Instrucciones

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3 Installation
3.4 Connecting the Controls (energized by unit, low voltage)
3.4.3 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 will run in the
Dry contact opened
selected mode
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.
3.5 Installing a Tandem
If using a Tandem Transition, a backdraft damper must be installed on the stale air to outdoors duct. If this causes an
interruption in the duct insulation, insulation must be added around the backdraft damper to avoid condensation.
If desired, a Tandem transition kit can be used instead of 2 exterior hoods.
An additional backdraft damper (not included) must be installed on the stale air to
outdoors duct following common best practice. Should the backdraft damper cause
an interruption in the insulation of the stale air to outdoors duct, make sure that
insulation is added around the backdraft damper to avoid condensation.
The joist opening needed to install the Tandem
maximum height of the Tandem transition is 8¾" .
To connect the insulated flexible ducts to the Tandem transition (Exhaust air to
outdoors and Fresh air from outdoors), follow the instructions included with the
Tandem transition kit (part no. VTYIK1).
*Patented.
(cont'd)
B
ROAN
Unit mode
-
PUSH
ON
Refer to 4.1
I
OC
OL
VE0359A
R
Y
B
G
®
Transition* Kit
VB20W
20-
.
D
MIN
RY CONTACT
S
BUTTON CONTROL
TANDBY SWITCH
ON
I
OL OC
RED
YELLOW
BLACK
GREEN
CAUTION
®
transition must be 9¾" minimum. The
10
(cont'd)
Y
G
R
B
VR0003
Tandem transition kit

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