50 Technical Bulletin—TC-9100 Universal Controller
Before connecting or disconnecting any wires, ensure that all power
supplies have been switched off and all wires are potential-free to prevent
equipment damage and avoid electrical shock.
Terminations are made on the terminal blocks, at the top and bottom of
the controller, which accept up to 1.5 mm
2
wires. Follow the wiring
diagrams shown in figures 18 to 26.
When the TC-9100 model with separable terminal blocks is being wired,
it is recommended that the removable parts of the blocks be unplugged
before terminating the wires, and that they are not plugged in again until
the wiring has been fully checked.
Separate safety extra low voltage (SELV) wiring from power line voltage
wiring. A distinctive colour such as white or pink is recommended for
low voltage wiring. Keep all cables as short as possible and tie in
position. Do not run cables close to transformers or high frequency
generating equipment.
The 24 V supply must be stable and not shared with other switched
inductive loads. When multiple loads are connected to one transformer,
wire each load from the transformer separately so that any possible
disturbances from one load will have minimal effect on other loads.
Complete and verify all wiring connections before continuing with the
installation procedure.
Wiring
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