
TH 192 DN Day-Night and DNV Day-Night-Vent Room Thermostat
Technical Instructions
Document Number 155-067P25
October 28, 2010
Siemens Industry, Inc.
Page 3
Piping
Figure 2. TH 192 DN
Thermostat Connections.
Figure 3. TH 192 DNV
Thermostat Connections.
Product Numbers
and Ordering
Information
Chassis
See Table 2 for product number and ordering information on TH 192 DN & DNV
thermostat chassis.
1. Is a Fahrenheit or Celsius scale required?
2. Is the day and night time control direct or reverse acting?
3. Is a separate, full supply output signal required for ventilation control?
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 2. TH 192 DN & DNV Thermostat Chassis Part Numbers.
Chassis with Wall Plate
Fahrenheit Celsius
Connection
Type
Control
Action
Exposed at
Bottom of
Cover
Exposed
1/2” Knob
on Cover *
Exposed at
Bottom of
Cover
Exposed
1/2” Knob
on Cover *
Day and Night
are Direct Acting
192-204 192-204K 192-224
—
Day and Night
are Reverse
Acting
192-205 — 192-225 —
Two- or
Three-Pipe
Relay
Day and Night
are Direct Acting
with Night Vent
192-206 — 192-226 —
*
This feature requires a key setpoint adjustment cover (or key type cover).
See Table 3.