User Guide

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Document No. 129-075
Rev. 2, November, 1999
TH192 S Single Temperature Room Thermostat
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The TH192 S thermostats are proportional single output,
single set point, 1-pipe (low air capacity) or 2-pipe (high air
capacity) temperature controllers. Each TH192 chassis
includes a wall plate for thermostat installation using a
variety of rough-in installation kits.
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• Review all instructions before beginning
installation.
• Verify job drawings are available to reference
specific job site information as needed.
• Verify rough-in installation kits (wall-box or tubing
runs) are pre-installed.
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30 Minutes
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• Medium flat blade screwdriver
• Needle nose pliers
• Small level
• Calibration and Cover Screw Wrench or 1/16”
Allen wrench (192-632)
• NeedleProbewith1-1/2”diameter,0to30psig
(0 to 200 kPa) test gauge (192-633)
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Personal injury/loss of life may
occur if a procedure is not
performed as specified.
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N Equipment damage, or loss of
datamayoccuriftheuser
does not follow procedure as
specified.
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The TH192 S thermostat and the wall plate mount
vertically to a wall using a variety of rough-in installation
kits (for example, wall box kits or tubing terminal kits). The
ends of the air lines from the rough-in installation kits have
terminal adapters that snap into the wall plate. Terminal
adapters also are available separately as orderable
accessories. (Note that certain retrofit applications allow
air connections directly to the thermostat chassis.)
The “S”, “R1”, and “R2” labels on both the thermostat
chassis and the wall plate identify the air line connections.
(The TH192 S does not use the “R2” air line connection.)
The thermostat plugs into the terminal adapters on the
wall plate. The Piping section of this document shows
typical connections.
Two cover screws plus the latch arms on the wall plate
hold the thermostat in place. The cover fits over the
thermostat and the two cover screws fasten it to the wall
plate.
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The following procedure is for a typical thermostat
installation and assumes the rough-in installation kit is in
place. See Figure 1.
1. The rough-in installation kit provides a supply (blue) air
line and a return air line joined by an air link. Remove
the terminal adapters from the air link and snap them
into the wall plate at their respective locations.
2. Using the mounting screws supplied with the
thermostat chassis, install the wall plate on the wall
as follows:
a. Guide the screws through the slotted key holes
on the wall plate and partially insert them into
wall.
b. Orient the wall plate so that it is square and level.
c. Tighten the mounting screws to secure the wall
plate in place.
3. Moisten the thermostat supply and return ports to
lubricate them. Carefully insert the thermostat ports
into the terminal adapter “O” rings on the wall plate.