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Setup
About Connection Cables (Continued)
DC 12 V or AC 24 V power supply cable
Connect the power cord to the DC 12 V or the AC 24 V power supply.
The unit is to be powered by a UL Listed Class 2 power supply only.
(For USA and Canada)
The AC 24 V and DC 12 V power supply shall conform to the following:
UL Listed Class 2 power supply only,
Class 2 not wet and Class 3 wet wiring (For USA)
Isolated power supply only (For Europe)
This installation shall be in accordance with the National Electrical
Code, ANSI/NFPA 70.
The following table shows the connection distances when 2-core VVF
(vinyl-insulated vinyl sheath cables) are used. (Reference value)
Conductor
diameter
Φ 1.0 mm
(AWG 18)
Φ 1.6 mm
(AWG 14)
Φ 2.0 mm
(AWG 12)
E-20
Maximum
connection
distance: DC 12 V
(not using heater)
50 m (160 ft)
140 m (450 ft)
220 m (720 ft)
Maximum
connection
distance: AC 24 V
(not using heater)
130 m (420 ft)
350 m (1100 ft)
550 m (1800 ft)
Maximum
connection
distance: AC 24 V
(using heater)
40 m (130 ft)
120 m (390 ft)
180 m (590 ft)
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