20
CONNECTING SIGNAL WIRES BETWEEN INDOOR UNITS AND OUTDOOR UNIT
The signal wires are used to inter-communicate indoor and outdoor’s signal, and attached to the indoor unit at first.
To install the signal wires to outdoor unit, follow the procedures below.
NOTE:
• Make sure the indoor & outdoor unit’s AC cord is not connected to AC power when connecting the signal
wires.
• When connecting wires, make sure they are fully inserted and minimum copper wire is exposed. If they are
not, shorting, overheating, no operation, etc. may occur.
• Be sure to comply with local codes on running a wire from the indoor to the outdoor unit.
• Must be careful to insert signal wire connectors where like color is like color.
1. Remove the screw holding on the connection
cover.
Remove the connection cover on the outdoor
unit to access the connection area.
3. Insert the indoor connector into the outdoor
connector from the PCB Board individually as
the following.
2. Route the indoor signal wire into the opening on
the outdoor unit and through the wire connector,
and insert the indoor connector into the outdoor
connector.
Connection
Cover
Indoor Unit A
White
Unit A
(White)
Unit B
(Red)
Outdoor PCB ASS'Y
White
Red
Red
Indoor Unit B
indoor unit A
White – White
indoor unit B
Red – Red
Summary of Contents for DMB-1822LH
Page 8: ...8 DMB 2122LH unit A 12000BTU h ...
Page 41: ...41 6 WIRING DIAGRAM DMB 1822 1832LH ...
Page 43: ...43 DMB 2112 2122LH ...
Page 54: ...DMB 1822 2112 2122LH O utdoor 10 PC B DRIVING DESC RIPTION 1 P CB CI R CU I T D I A G R A M ...
Page 55: ......
Page 56: ...DMB 1822 2112 2122LH 9K indoor ...
Page 57: ......
Page 58: ...DMB 2112 2122LH 12K indoor ...
Page 59: ......
Page 82: ...79 6 U9 KIA7042P RESET IC KIA70 42P OUTLINE INPUT GROUND OUTPUT VCC 1 3 2 OUT GND ...
Page 87: ...84 3 EX P LO D ED D I A G R A M I n d o o r U n it DMB 1822LH DMB 2112 2122LH unit B 9K ...
Page 89: ...86 DMB 2112LH unit A 12K ...
Page 92: ...89 DMB 2122LH unit A ...
Page 95: ...92 4 EXPLODED DIAGRAM Outdoor Unit DMB 1822 1832LH 5 ...
Page 97: ...DMB 2112 2122LH 94 ...
Page 99: ...96 5 CONTROL BOX ASSEMBLY DMB 1822 1832LH DMB 2112 2122LH unit B 9K L N ...
Page 101: ...98 DMB 2112LH unit A 12K ...
Page 103: ...100 DSB 2122LH unit A 12K ...
Page 105: ...102 6 CONTROL PANEL ASSEMBLY 7 j ...