Installation of
Optional
Main
Control - Part #99-DH01
The
Lifebreath Dehumidistat
may be installed onto a
flush mounted 2" x 4" electrical switch box or it may be
surface mounted onto a wall.
Only 1 master control should be installed to a ventilation
system (the Face Plate on this illustration may not be
exactly the same as yours).
1. Remove the Operating Instructions Card from the
top of the Control (Figure A).
2. Separate the Face Plate from the Back Plate by
firmly pulling apart (Figure B). Be careful not to
damage Face Plate Contact Pins.
3. Place the Back Plate of the control in the desired
location on the wall and pencil mark the wall in
the center of the Wire Opening, Top Screw Hole
and Bottom Screw Hole (Figure C).
4. Remove the Back Plate and drill a 3/8" opening in
the wall to allow for the Wire Opening and a 1/8"
hole for the Wall Anchors for the top and bottom
screw holes (Figure D).
5. Pull 3/20 wire through the opening in the wall
and the Wire Opening of the Back Plate (Figure C).
6. Connect Red, Green and Yellow to the Wiring
Terminals located on the Back Plate (Figure C).
7. Secure a single wire to the Wire Retainer located
on the Back Plate (Figure C).
8. Attach the Back Plate to the wall using the 2
supplied screws and anchors.
9. Attach the Face Plate to the Back Plate (Figure
B). Note: Be careful to correctly align the Face
Plate to avoid damaging the Face Plate Contact
Pins.
10. Insert the Operating Instructions Card into the
control (Figure A).
11. Connect the 3 wire 20 gauge (min.) 100 ft length
(max.) to the digital controls terminal block located
on the side of the unit.
%
80
20
ATTENTION
Pay special attention not to damage the Contact
Pins when attaching and detaching the Face Plate.
(Figure B)
Figure
A
- Face
Plate
Operating
Instructions Card
Back
Plate
Figure B
Face Plate
Contact
Pins
Face
Plate
Separate the
Face Plate from
the Back Plate.
Side View
Figure
C
Front View of Back Plate
Wire
Opening
Wiring
Terminals
Wire
Retainer
TOP
Top Screw
Hole
Bottom
Screw Hole
Drill a 1/8” hole
for the Top Screw
and Anchor
Figure D
Drill holes in
wall
Drill a 3/8” hole
for the Wire
opening
Drill a 1/8” hole
for the Bottom
Screw and
Anchor
Wall Face
Dehumidistat Sensor
Openings to room
air allow accurate
sensor readings.
Figure E
Correct Installation
of Back Plate
Back
Plate
Face Plate
Contact
Pins
Face
Plate
13
