Data Sheet for Product

Accessories for Installing TH 192, TH 194 or Technical Bulletin
Free Energy Band TH 193 HC Room Thermostats Document Number 155-244P25
Rev. 2, December, 2001
Siemens Industry, Inc. Page 9
Installation in
Existing
Construction
Exposed Piping,
Continued
Figure 7. Exposed Piping Installation Using Kits No. 192-479 and 192-483.
TH 192 DNV (or Three-pipe) Thermostats (See Figure 8)
The installation of a DNV Thermostat is identical to other thermostats except that a third
line, "R2," is required.
TH 192 One-pipe Thermostat
The one-pipe thermostat uses one pneumatic connection. The connection is made to
"R1" and the “S” connection is not utilized.
Otherwise, the installation of the thermostat terminals as well as the installation of the
thermostat itself, is identical to installations requiring two pneumatic connections.