KMC Controls THE-1105 User manual

Installation Guide
Humidity Transmitter w/ Temperature Sensor
THE–1105
Mounting
Electrical Box Mounting
1. Install, but DO NOT TIGHTEN, the HMO-5024/26 or 5030/5031,
or HMO-6036 backplate to a handy box using the two 6-32 screws
(included).
2. Adjust and level the backplate (in the vertical or horizontal plane)
using the slotted mounting holes and tighten the two mounting
screws.
3. Remove the THE–1105’s cover by turning the two set screws, on
the unit’s side, clockwise (inward) using a 1/16" allen wrench.
4. Pull all the wires or wire cable through the backplate’s decorative
trim plate opening (included with HMO-5024/5026, 5030/5031 or
6036) and through the cable access hole in the THE–1105.
5. Make sure that the humidity sensor is in the lower right corner
(vertical installation) or lower left corner (horizontal installation)
of the base.
6. Connect the wires (See Wiring.).
7. Mount the THE–1105 to the backplate the two 6-20 x 2" self-
tapping screws (included).
8. Check that the thermistor leads are not bent and that the
thermistor bead is upright (perpendicular to the board) BEFORE
replacing the cover.
Hollow Wall Mounting
THE–1105s may be mounted on a hollow wall up to 5/8" thick using
the HMO–5023 Drywall Mounting Kit.
1. Using the template, cut a 1–1/2” x 2–11/16" opening in the
drywall.
2. Remove the THE–1105’s cover by turning the two set screws, on
the unit’s side, clockwise (inward) using a 1/16" hex wrench.
3. Loosely mount the HMO–5023 bracket to the thermostat (cover
removed) using the two 6-32 x 2" screws.
4. Follow steps 4 through 6 (above).
5. Insert bracket diagonally, through the wall opening, center and
tighten screws.
6. Check that the thermistor leads are not bent and that the
thermistor bead is upright (perpendicular to the board) BEFORE
replacing the cover.
HMO-5030/31 Back Plate
(Shown in horizontal
installation)
HMO–5023 Drywall Mounting Kit

870–019-01E
Wiring
• Refer to the wiring diagram.
• Use 18-22 AWG stranded wire, maximum length of 250’.
• The 10K Thermistor (if used) is a Type II. Use KMC Digital ranges #4 or #5 when programming.
To Wire:
1. Connect the 24 VAC (-15% / +20%) or the 28 to 40 VDC, carefully observing polarity.
2. Connect the humidity transmitter output selecting either 0 to 10 VDC and Signal Ground or 0 to 5 VDC
and Signal Ground.
3. Connect the temperature sensor (10K thermistor) if required.
4. Mount the THE–1105 to the backplate with the two 6–20 x 2" screws (included).
NOTE: Excess wire inside the THE-1105 may cause damage to the Thermistor. Care must be taken
when wiring and replacing the unit’s cover.
KMC Controls
P.O. Box 497
19476 Industrial Drive
New Paris, IN 46553
U.S.A.
TEL: [phone]
FAX: [phone]
E-mail: [email protected]
Maintenance
No routine maintenance is required. Each
component is designed for dependable, long term
reliability and performance. Careful installation will
also ensure long term reliability and performance.