IM 725 (1-02)
29
Typical Wall Mounted Room Air Sensor
Figure 90 - Wall Sensor With Tenant Override, Setpoint Adjustment,
Communications Port, and Thermometer (Shown) or without Thermometer
Installation
1. Installer must be qualified, experienced technician.
2. Disconnect power supply before installation to prevent
electrical shock and damage to equipment.
3. Make all connections in accordance with electrical wiring
diagrams, and in compliance with national and local codes.
Use copper conductors only.
4. Do not exceed ratings of the device. This is a low voltage
device: Never apply more than 12VAC/VDC to any lead or
damage will result.
5. Avoid locations where excessive moisture, corrosive fumes,
or vibrations are present.
.280" 7.11mm Dia. (2)
Communications Port
80
Setpoint Adjustment
2.75"
(69.85m
1.38"
(35.05mm)
3.28"
(83.31
mm)
60
70
.61"
(15.5mm)
4.50"
(11.43
mm)
Thermometer
°
F (Optional)
Tenant Override Switch
Green LED
Left End Compartment
22 AWG Stranded Wire
( Blk, Wht, Grn, Org, Blu, Red)
6.00"
(162.40mm)
.
76"
(19.30
mm)
Blk
Wht
Red
Grn
Org
Blu
Note:
All sensors have black (common) + white (thermistor sensor) + red (LED)
wires. Orange and blue wires are provided for communications and a green
wire for tenant override and set point adjustment
Mounting Procedure For Standard Electrical Box
1.
Feed the cable from the electrical box.
2.
Strip
1
⁄
4
" of installation from the end of wires.
3.
Connect wires to appropriate colored leads. See MicroTech
™
unit controller wiring diagram.
4.
Dress wires down and inside the electrical box.
5.
Using the two 6-32 x
5
⁄
8
" “flathead screws provided, mount the
sensor to the electrical box.
Mounting Procedure For Wallboard Mounting
1.
Feed the cable through a hole in the wallboard.
2.
Strip
1
⁄
4
" of installation from the end of wires.
3.
Connect wires to appropriate colored leads. See MicroTech unit
controller wiring diagram.
4.
Dress wires down and inside the hole in the wallboard.
5.
Using the appropriate mounting screws and plastic anchors (not
provided), mount the sensor to the wallboard.
Window Exposure
Window Exposure
Window Exposure
Interior Wall
Interior Wall
Interior Wall
Interior Wall
Unit
Unit
= Correct Sensor Location
Figure 91 - Correct Wall Sensor Locations
Note:
Avoid placing wall sensor near drafty areas such as doors or windows. Avoid external walls, or dead spots near exposed columns. Avoid direct sunlight on wall sensor.
Window Exposure
= Incorrect Sensor Location
Window Exposure
Interior Wall
Interior Wall
Window Exposure
Unit
Unit
Interior Wall
Interior Wall
Window Exposure
Cubicle Wall
Shelving
File Cabinet
Shelving
Figure 92 - Incorrect Unit and Wall Sensor
Locations
WARNING
!