Mitsubishi Electric SRK19CIS, Technical Manual

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5.3 Installation of outdoor unit
(1) Installation of outdoor unit
(a) Make sure that the unit is stable in installation. Fix the unit to stable base.
(b) When installing the unit at a higher place or where it could be toppled by strong winds, secure the unit firmly with foundation
bolts, wire, etc.
(c)
(d)
Perform wiring, making wire terminal numbers conform to terminal numbers of indoor unit terminal block.
Connect using ground screw located near mark.
5.4 Refrigerant piping
(1) Preparation
Keep the openings of the pipes covered with tapes etc. to prevent dust, sand, etc. from entering them.
Indoor unit side Outdoor unit side
Remove the flared nuts.
(on both liquid and gas sides) Remove the flared nuts.
(on both liquid and gas sides) Install the removed flared nuts to the pipes to be connected,
then flare the pipes.
Dimension A
Liquid side
( 6.35):
9.0 mm
Gas side
( 15.88): 19.4 mm
Press
Remove
Remove
(Do not
turn)
(2) Connection of refrigerant piping
Indoor unit side
Connect firmly gas and liquid side
pipings by Torque wrench.
Outdoor unit side
Connect firmly gas and liquid side
pipings by Torque wrench.
Specified torquing value:
Liquid side (ø6.35) : 14.0~18.0N·m (1.4~1.8kgf·m)
Gas side
(ø15.88) : 68.0~82.0N·m (6.8~8.2kgf·m)
Use one more spanner to fix the valve.
Spanner
(for fixing
the piping)
Torque
wrench
Specified torquing value:
Liquid side (ø6.35) : 14.0~18.0N·m (1.4~1.8kgf·m)
Gas side
(ø15.88) : 68.0~82.0N·m (6.8~8.2kgf·m)
Always use a Torque wrench and back up spanner to tighten
the flare nut.
Press
Power supply code
CENELEC code for cables requiring field cables
H05RNR3G2.5
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