Data Sheet for Product

TH 192 S Single Temperature Room Thermostat Technical Instructions
Document Number 155-065P25
February 7, 2022
Siemens Industry, Inc. Page 3
Product Numbers
and Ordering
Information
See Table 1 for product number and ordering information on TH 192 S thermostat
chassis.
1. Is a one-pipe (low air capacity) or two-pipe (high air capacity) connection required
for application?
2. Is a Fahrenheit or Celsius scale required?
Chassis
3. Is the control action direct or reverse acting?
a. Direct acting: An increase in temperature increases the control air pressure.
b. Reverse acting: An increase in temperature decreases the control air
pressure.
4. Where is setpoint adjustment knob located?
a. Adjustment knob located at bottom of chassis.
b. Adjustment knob on front with 1/2-inch, large, exposed knob.
Table 1. TH 192 S Thermostat Chassis Part Numbers.
Chassis with Wall Plate
Setpoint
Adjustment
Connection
Type
Fahrenheit
Celsius
Direct
Acting
Reverse
Action
Direct
Acting
Reverse
Acting
Exposed
at Bottom
of Cover
Two-pipe,
relay
192-202
192-203
192-222
192-223
One-pipe,
non-relay
192-200
192-201
192-220
192-221
Exposed
1/2” Knob
on Cover *
Two-pipe,
relay
192-202K
192-203K
—
—
One-pipe,
non-relay
192-200K
—
—
—
* This feature requires a key setpoint adjustment cover (or key type cover).
See Table 2.