Installation Position - Hitachi E-102SN3 Installation Manual

INSTALLATION MANUAL FOR
MULTI-KITS

4.2 INSTALLATION pOSITION

1 Horizontal Installation
Locate the branch pipes to become the caution label uppermost on the same horizontal plane. (Inclination within +30
Make the straight length a minimum of 500mm after the vertical bend.
Straight length
500mm (Min.)
Horizontally
2 Vertical Installation
Straight length of the pipe connection on the outdoor unit side is made as follows:
a. The collective pipe connection part is installed upward, the straight length must be min. 0.5m
b. The collective pipe connection part is installed downward, the straight length must be min. 0.3m.
4.3 cONNEcTION prOcEdurE fOr pIpING JOINT
When connecting liquid piping for the unit with a capacity 2.0HP or smaller, and with the length of piping is 15 meters or longer, apply
the piping size of f9.52mm. Fix the connecting pipe as shown in the below figure.
Use the insulation attached to the indoor unit.Example: 36HP (The combination of 3 outdoor units)
Use the flare nut of the indoor unit.
Upward
Downward
INCORRET
upward
Straight length
Min. 0.3m
downward
Expander for liquid line (Accessory)
Flare the pipe after inserting the flare nut.
Indoor unit
Insulation attached to indoor unit
Inclination
within ±30º
Straight length
Min. 0.5m
Fix this part with the attached cord band
or field-supplied vinyl tape.
Insulate this part with the attached
insulation
Brazing
)
o
Inclination
(View from A)
Field-Supplied refrigerant piping
Field-Supplied insulation
PMML0277A - rev.0 - 12/2012
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