INSTALLATION
11
ENGLISH
CAUTION
HR Unit should be installed that top side is facing up. If not, it may cause failure of the prod-
uct.
!
CAUTION
• Whenever connecting the indoor units with the HR unit, install the indoor units in numeri-
cal order from No.1.
Ex) In case of installing 3 indoor units : No. 1, 2, 3 (O), No. 1, 2, 4 (X), No.1, 3, 4 (X), No.2,
3, 4 (X).
• Take care of no thermal damage on the valves of the HR uint.
(Especially packing part of valve) Wrap the valve with a wet towel when brazing it.
!
WARNING
Before brazing work, remove gas in the HR Unit by cutting the three pipes in the small cir-
cles on the figure. If not, it may cause injuries. Remove the caps before connecting pipes.
!
After considering the indoor unit capacity,
determine the pipe sizes and cut the pipes connected to the indoor unit.