Honeywell TR21 Manual Del Usuario página 3

TR21, TR22, TR23, AND TR24 WALL MODULES
NOTE: Refer to the TR21, TR22, TR23, and TR24 Wall Modules – Installation Instructions, form 62-0267, for wiring diagrams.
Some features may not be available with all controllers.
Module Dimensions
WITH TEMPERATURE DIAL AND FAN SWITCH (TR22 AND TR23) WITHOUT TEMPERATURE DIAL OR FAN SWITCH (TR21 AND TR24)
3 (76.5)
4 3/4 (120)
4 9/16 (116)
70
1 (26.5)
7/8 (22)
7/8 (22)
M28139
Fig. 2. Wall module dimensions in inches (mm).
Circuit Board
Fig. 3 illustrates the location of the terminal block and other features on the TR21, TR22, TR23, and TR24 models' circuit board.
Table 2 on page 4 describes the terminal connections by model number.
3 63-1321ES—06