Appendix a: 120 vac power supply (optional) – Unitec EZ Trak User Manual
Page 27

E Z T R A K
Document Number:
EZT1001
23
Appendix A: 120 VAC Power Supply (Optional)
The 120 VAC power supply is supplied as an option for those who wish to power their EZ
Trak system from a junction box. The power supply is attached to the DIN rail on the back
wall of the unit then connected to the junction box and power distribution board.
1. Connect the power supply to the DIN rail by centering the slot on the back of the
power supply on the DIN rail then push down firmly. Secure the power supply to the
DIN rail by pushing up the mounting pin on the back of the power supply.
2. Connect the hot wire from your power supply cable to the Line in connector on the top
left side of the power supply.
3. Connect the common wire from your power supply cable to the Neutral connector on
the top left side of the power supply.
4. Connect the hot 24 VAC wire to the middle “+” connector on the top right of the power
supply. Connect the other end to pin 5 “24V” on the J3 connector of the power
distribution board.
5. Connect the common 24 VAC wire to the middle “-“ connector on the top right of the
power supply. Connect the other end to pin 6 “Common” pin on the J3 connector of
the power distribution board.
Document Title:
EZ Trak Installation and Operations Manual