SiE33-102 Field Wiring
Installation Manual 159
7.6.4 Field Line Connection : Transmission Wiring and Cool/Heat Selection
RSXY24,26,28,30
A3P A4P
Fix to safety
catch
Fix to
safety
catch
CN
-
19 CN
-
1
CN
-
19 CN
-
1
RXY16,20 (Main unit) RXE 8,10 (Subunit)
Power supply
Branch wiring between
outdoor units
(Highvoltage)
Branch wiring between outdoor
units (Low voltage)
Insulation material
Gas line
Cable(High voltage)
Insulation material
Liquid line
Cable(Lowvoltage)
RXY (Main unit)
Switch Box
RXE (Sub-unit)
Switch box
Connect the ground wire (green/yellow)
to the ground terminal extended wiring
(7000 mm or less)
(Sheathed cable or 0.75mm
2
cables)
Always separete the high
voltage wiring from the low
voltage wiring in the branch
wiring
30mm or more
Connector
Connector
(V1858)
A B C F1 F2 F1 F2
RXY 8,10,16,20
X2M
A1P
Attached cable
(between main and sub units)
Switch box (Main unit)
Fix to the safety catch using the
attached clamp material
(V1859)
Si33-102.book Page 159 Tuesday, June 26, 2001 3:18 PM
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