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Technical Instructions
Document Number 155-016P25
Rev.1, February, 2000
Mounting and
Installation, Continued
Limited Access Ducts
( Figure 2 )
Page 4
Figure 1. Typical Mounting in Walk-in Duct.
1. Attach the mounting bracket to the thermostat with the two round head screws
provided.
2. Attach a mounting flange (part number 808-412) on the opposite side of the duct
(near the bottom) from where the thermostat will be mounted.
3. Mount a second flange on a 8-inch by 4-inch sheet metal plate. Cut an access
opening for the bulb on the duct diagonally across from the duct-mounted flange.
Drill mounting screw holes for the sheet metal plate.
4. Cut a length of copper tubing to fit diagonally across the duct. Stretch out the
bulb and wrap it around the tubing. See Figure 2.
5. Insert the tubing and bulb through the access hole and into the duct-mounted
flange. Fasten the 8-inch by 4-inch sheet metal plate to the duct.
6. Mount the thermostat on the outside of duct.
Low Temperature Detection Cut-out and Alarm Thermostat
Siemens Building Technologies, Inc.
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