Mitsubishi SRK10YJV-S, Technical Manual & Parts List

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Installation of outdoor unit
1
Make sure that the unit is stable in installation. Fix the
unit to stable base.
2
Perfrom wiring, making wire terminal numbers conform
to terminal numbers of indoor unit terminal block.
3
Earth lead wire shall be longer than the other lead wires
for the electrical safety in case of the slipping out of the
cord from the anchorage.
Connect using ground screw located near mark.
Connection of refrigerant pipings
Preparation
Connection of refrigerant piping
Keep the openings of the pipes covered with tapes etc. to prevent dust, sand, etc. from entering them.
•
Specified torquing value:
Liquid side (ø6.35) : 14~18N·m (1.4~1.8kgf·m)
Gas side (ø9.52)
: 34~42N·m (3.4~4.2kgf·m)
Gas side (ø12.7) : 49~62N·m (4.9~6.2kgf·m)
•
Use one more spanner to fix the valve.
¡ 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
(ø6.35): 9.0 dia
Gas side
(ø9.52): 13.0 dia
(ø12.7): 16.2 dia
Press
Remove
Remove
(Do not
turn)
Spanner
for fixing
the piping)
Torque
wrench
•
Specified torquing value:
Liquid side (ø6.35) : 14~18N·m (1.4~1.8kgf·m)
Gas side (ø9.52)
: 34~42N·m (3.4~4.2kgf·m)
Gas side (ø12.7) : 49~62N·m (4.9~6.2kgf·m)
1
Indoor unit side
2
Outdoor unit side
1
Indoor unit side
2
Outdoor unit side
•
Connect firmly gas and liquid side
pipings by Torque wrench.
•
Connect firmly gas and liquid side
pipings by Torque wrench.
•
Always use a Torque wrench and back up spanner to tighten the flare nut.
Use a flare tool designed for R410A or a conventional flare tool.
Please note that measurement B (protrusion from the flaring
block) will vary depending on the type of a flare tool in use.
If a conventional flare tool is used, please use a copper pipe
gauge or a similar instrument to check protrusion so that you can
keep measurement B to a correct value.
Copper pipe diameter
Clutch type flare tool f or
R410A
Conventional (R22) flare tool
Clutch type Wing nut type
Measurement B (mm)
ø6.35
ø9.52
ø12.7 0.0 ~ 0.5
0.0 ~ 0.5
0.0 ~ 0.5 1.0 ~ 1.5
1.0 ~ 1.5
1.0 ~ 1.5 1.5 ~ 2.0
1.5 ~ 2.0
2.0 ~ 2.5
Do not apply refrigerating
machine oil to the flared
surface.
CAUTION
Measurement B
Flaring block
Copper pipe
¡
Flaring work
Indoor - Outdoor
connecting wire
RMA012A032_Installation.p65 04/05/2010, 17:28 32