The following tables show the terminal contact numbers
on the controller that you can use with each relay. See Ordering information for information about all TC controller relay
functions. Refer to your controller's installation guide for information about your
model's relay functions.
Table 1. K1 relay terminal numbers
TC controller |
Common |
SPST or SPDT N.O. |
SPDT N.C. |
TC3221 |
2 |
3 |
n/a |
TC3222 |
2 |
3 |
n/a |
TC3223 |
2 |
3 |
n/a |
TC3224 |
2 |
6 |
n/a |
TC3B21 |
2 |
3 |
n/a |
TC3B22 |
2 |
3 |
n/a |
TC3B23 |
2 |
3 |
n/a |
TC3X21 |
7 |
8 |
6 |
Table 2. K2 relay terminal numbers
TC controller |
Common |
SPST or SPDT N.O. |
SPDT N.C. |
TC3222 |
5 |
6 |
7 |
TC3223 |
5 |
6 |
7 |
TC3224 |
6 |
3 |
n/a |
TC3B22 |
5 |
6 |
7 |
TC3B23 |
5 |
6 |
7 |
Table 3. K3 relay terminal numbers
TC controller |
Common |
SPST N.O. |
TC3223 |
2 |
1 |
TC3224 |
6 |
1 |
TC3B23 |
2 |
1 |
Table 4. K4 relay terminal numbers
TC controller |
Common |
SPST N.O. |
TC3224 |
6 |
5 |