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Installation
Remote Temperature/Humidity Sensor (E²)
Figure 11. Temperature/humidity sensor for E²
controller
1. Remove the cover from the base of the sensor by
squeezing it at the top and bottom.
NOTICE
Sensor Damage!
Take care not to damage the exposed temperature/
humidity sensor elements on the PC board when the
cover is removed. The sensor elements can be
damaged if handled improperly.
2. Place the base temporarily against the mounting
surface.
3. Level the base. Mark and drill mounting holes through
at least two of the available slotted holes. Also, mark
through the large opening in the base and drill a hole
into the mounting surface for a control cable to pass
through the back of the base.
4. Run a three-conductor shielded cable through the
opening in the base, then secure the base with screws,
ensuring the word TOP on the PC board is oriented
upward.
5. Route the sensor control cable up to the control
terminal block in the electric box and terminate the
control wire. Refer to section
Humidity Sensor (E²)," p. 16
supplied with your unit.
6. Seal the hole in the wall behind the sensor.
7. Replace the cover plate on the base.
Humidistat/Dehumidistat (Used with A-
Tech1.1/1.2 Thermostat)
Mounting the humidistat and/or dehumidistat is
performed in the same manner in
Sensor (A-Tech)," p.
15. It should be mounted to a wall
within the conditioned room at a location that best
represents the average humidity of the space. In most
cases, the humidistat and/or dehumidistat should be
located near the common return air grille. Mount the
humidistat and dehumidistat at least 18 in. from an outside
wall and approximately 5 ft above the floor.
16
"Remote Temperature/
and to the wiring diagram
"Remote Temperature
Controls may be installed either on a flush switch box or on
a surface switch box. Follow the steps below for mounting.
Instructions for wiring the unit are provided in Section
"Humidistat/Dehumidistat," p.
1. Pull dial knob off, loosen screw (located at bottom of
unit) and remove cover.
2. Make wiring connections according to the wiring
diagram provided with your unit.
3. Mount the base with the two #6 screws provided.
4. For external setpoint, reinstall cover, tighten screw,
and replace dial knob.
5. For internal setpoint:
a. Turn dial plate to desired setting and tighten dial
lock screw.
b. Break off dial shaft at undercut.
c. Remove insert from cover.
d. Remove protective backing from adhesive on the
blank insert provided and press firmly in place on
cover.
e. Reinstall cover assembly and tighten screw. (If
additional security is required an Allen screw and
wrench are provided.)
f. Remove protective cover from face of cover insert.
Spot Water Detector
The spot water detector is normally placed on the floor or
in a field-supplied auxiliary drain pan located beneath the
unit.
It may be attached using double sided tape or with the
mounting holes provided in the flanges (one on each side).
Once it's in place, loosen the screws provided on the
mounting legs to adjust the height of the sensing probes.
When water is present, current will flow between the two
probes.
Figure 12. Spot water detector
Important:
The probes must not touch the mounting
surface. Failure to adhere to this may result
in improper operation of equipment.
For wiring details, refer to
and to the electrical drawing provided with the unit.
26.
"Remote Water Detector," p. 26
AH-SVX008C-EN
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