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CTE-5100 Series 

Installation Guide

Installation Guide

Electronic Room Thermostats

CTE-5100 Series 

 

Mounting

General

CTE-5100 series thermostats require a scale plate 

assembly and a cover, which must be ordered 

separately. To ensure accurate temperature sensing, 

mount thermostats on interior walls and away from 

heat sources, sunlight, windows, air vents, and air 

circulation obstructions (e.g., curtains and furniture).

These thermostats may be mounted horizontally or 

vertically to a standard 2 x 4" (51 x 102 mm) handy 

box using a HMO-5024/5026/5030/5031 backplate or 

directly to a hollow wall using an HMO-5023 kit.

Electrical Box Mounting

1.  Install, but DO NOT TIGHTEN, the HMO-

5024/5026/5030/5031 backplate to a handy box 

using the two 6-32 screws (included).

2.  Adjust and level the backplate using the slotted 

mounting hole.

3.  Tighten the two mounting screws.
4.  Pull all thermostat wires and cable through the 

backplate and decorative trim plate opening (of 

the HMO-5024/5026/5030/5031). Be careful not to 

damage the trim plate while wiring.

5.  Connect the thermostat’s wires according to its 

particular application. See the Connections and 

Wiring section.

6.  Position the trim plate between the backplate and 

the thermostat (with the cover removed).

7.  Align the mounting holes and secure the 

assembly with the two 6-32 x 2" self-tapping 

screws (included). 

HMO-5024/5026/5030/5031 Back Plate

HMO-5023 Hollow Wall Mounting Kit (Screws Not Shown)

Hollow Wall Mounting

Thermostats may be mounted on a hollow wall up to 

5/8" thick using the HMO-5023 hollow wall mount-

ing kit.
1.  Using the template, cut a 1-1/2 x 2-11/16" opening 

in the drywall.

2.  Loosely mount the HMO-5023 bracket to the 

thermostat (with cover removed) using the two 

6-32 x 2" screws.

3.  Pull all thermostat wires or cable through the 

bracket’s wiring/cable access hole(s).

4.  Connect the thermostat wires according to its 

particular application. See the Connections and 

Wiring section.

5.  Insert bracket diagonally, through the wall 

opening, and then center and tighten the screws.

Mounting 

1

General 

1

Electrical Box Mounting  1
Hollow Wall Mounting  1
Setpoint Stops 

1

Scale Plate 

2

Cover 

2

Connections and Wiring  2
Adjustments and Calibration  4
Maintenance 

4

More Information  4
Important Notices  4

Setpoint Stops

Optional setpoint stops can be used to lock or limit 

the setpoint range. Each HFO-0027 setpoint stop 

strip (accessory sold separately) contains four stops.
1.  Break a stop from the strip by gently folding on 

the seam with pliers.

2.  Insert a stop into the slider track  on one or both 

sides of the slider.

3.  Repeat for second slider.

HFO-0027 Setpoint Stop Strip

A I R   D I S T R I B U T I O N

Anemostat, 1220 E. Watson Center Road, Carson, CA 90745  

/

  310-835-7500  

/

  [email protected]  

/

  www.anemostat-hvac.com

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