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Electrical wiring
Control wiring
IMPORTANT : Class 2 low voltage control wiring SHOULD NOT be run in conduit with main power wiring and must be
separated from power wiring, unless class 1 wire of proper voltage rating is used .
f Low voltage control wiring should be 18 AWG color-coded . For lengths longer than 50 ft, 16 AWG wire should be used .
X
f Make sure, after installation, separation of control wiring and power wiring has been maintained .
X
f Thermostat should be mounted on an inside wall about 58" from floor and will not be affected by unconditioned air,
X
sun and/or heat exposure . Follow the instruction carefully because there are many wiring requirements . (See Fig . 6 ~ 7,
Table 1)
Typical Field Control Wiring Diagram
<Fig. 6>
UNIT CONTROL BOARD
THERMOSTAT
THERMINAL STRIP
*
R
C
G
Y
*
Minimum wire size of 0 . 8 mm
• Label all wire prior to disconnection when servicing controls . Wiring errors can cause improper and dangerous
operation . Verify proper operation after servicing .
CAUTION
Rooftop_ODM_IBIM_EN_2020001B8001.indd 26
R
C
G
Y
2
wire should be used for all field installed 24 volt wire .
ENGLISH-26
240 V
208 V
COM
2014-06-11 오후 8:07:24
