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10 Pelco Manual C1405M-E (11/03)
13. EH4718-1, -2, -3 Models, and EH4722-1, -2, -3 Models Only - Wire power to
the enclosure to operate accessories (and the camera if its power is con-
nected to CAM 1 on the circuit board) as follows:
a. Remove the plastic cover over the power supply section of the circuit
board.
b. Connect AC high to AC HI of the 3-connector terminal block.
c. Connect AC neutral to AC NT of the 3-connector terminal block.
d. Connect ground to GND of the 3-connector terminal block.
e. Reinstall the plastic cover over the power supply section of the circuit
board.
If the camera’s power is connected to CAM 1 on the circuit board, add the
camera’s wattage to the power consumption of the accessories to determine
the size of wire to use. If you are using 24 VAC, refer to Table A to determine
the size of wire to use. Here are the wattages for the accessories:
• Blowers for all enclosures - 8 watts
• Defrosters for all enclosures - 15 watts
• Heaters for 120 VAC enclosures - 60 watts
• Heaters for 24 VAC enclosures - 50 watts
• Heaters for 230 VAC enclosures - 55 watts
14. Adjust the camera focus and iris, if necessary.
15. Close the enclosure lid.