Daikin VRV System - Page 29

• Installation
2
• Systems • Installation
28
2 Field Wiring
2-4 VRV plus
2-4-5 Field line connection: transmission wiring and cool/heat selection
1. Switch box (main unit)
2. Fix to the safety catch using the attached clamp material
3. Attached cable (between main and sub units)
RXYP 8, 10, 16, 20
2-4-6 Example of performing cool/heat with cool/heat selector
1. Cool/heat selector (optional for heat pump unit only)
2. Outdoor unit P.C. board (A1P)
3. Take care of the polarity
4. Use the conductor of sheathed wire (2 wire) (no polarity)
5. Terminal board (field supply)
6. Indoor unit
AB C F1F2F1F2
X2M
A1P
3
2
1
fig 21
A B C
AB CF1 F1F2 F2
ABCF1 F1F2 F2
F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2
4
5
6
1
2
C/H SELECTOR
TO IN/D UNIT
TO OUT/D UNIT
TRANSMISSION WIRING
A1P
3
fig. 22