Terminal contact numbers for relays - PENN Controls - LIT-12013344 - TC3221 - TC3222 - TC3223 - TC3224N9R - TC3B21 - TC3B22 - TC3B23 - TC3X21 - Electronic Refrigeration, Defrost, and Multi-Purpose Controller - TC Series Panel-Mount Refrigeration Controller

Penn TC Series Refrigeration and Defrost Controller Product Bulletin

brand
PENN Controls
prodname
TC Series Panel-Mount Refrigeration Controller
doctype
Product Bulletin
docnumber
LIT-12013344
revised_modified
2020-09-01

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 and 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 NO SPDT NC
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 NO SPDT NC
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 NO
TC3223 2 1
TC3224 6 1
TC3B23 2 1
Table 4. K4 relay terminal numbers
TC controller Common SPST NO
TC3224 6 5