Leave the service valve of the liquid pipe open.
(If there is leakage from outdoor PMV,
fully close the service valve.
Setup of failed follower outdoor unit
[Setup of header unit]
(5) Turn on Bit3 of SW103 on the interface P.C. board of the header unit.
(Setting to prevent connected indoor units capacity over failure (E16))
(3)
- 289 -
(4)
Uc(U5/U6)wiring treatment
(2)
Fully close the service valves of the
HP/LP gas pipe and the LP gas pipe.
Interface P.C. board of header unit
SW101
SW102
ON
ON
1 2 3 4
1 2 3 4
SW104
SW105
ON
ON
1 2 3 4
1 2 3 4
SW103
ON
1 2 3 4
SW106
ON
1 2
(5)
Turn on Bit 3 of SW103.