Product Overview
TH 192 DN Day-Night and DNV Day-Night-Vent Room Thermostat Technical Instruction
155-067P25
Rev. 1, July, 1999
Siemens Building Technologies, Inc. Page 3
Landis Division
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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 set point adjustment knob located?
a.
Adjustment knob located at bottom of chassis.
b.
Adjustment knob on front with 1/2” large exposed knob.
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CC
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**
*
Day and Night are
Direct Acting
192-204 192-204K 192-224 192-224K
Day and Night are
Reverse Acting
192-205 192-205K 192-225 192-225K
Two or
Three Pipe
Relay
Day and Night are
Direct Acting
with Night Vent
192-206 192-206K 192-226 192-226K
* This feature requires a key set point adjustment cover (or key type cover).
See
Table 3.