Toshiba MMY-SUG0801MT8P-E Installation Manual page 43

Full opening of the valve
Open the valves of the outdoor unit fully.
Packed valve
Using a 5 mm-hexagonal wrench, turn the valve shaft counterclockwise fully to open it.
Liquid side
HP/LP gas
side
Ball valve
Using a wrench, turn it counterclockwise by 90° until it hits the stopper.
(Full open)
For the ball valve with the stopper, release the stopper to opened or closed the ball valve. When
finished working, to set the stopper.
Pay attention so that the wrench does not come into contact with the charge port when the body
cap is opened or closed.
Suction gas
side
Position of the Check-joint
The figure below shows the position of the check-joint.
MMY-SUG0801,1001,1201,1401MT8
For liquid side
(color : Green)
83-EN
Body cap side
Fully closed
Charge port
MMY-SUG1601,1801,2001,2201,2401MT8
For low
pressure side
(color : Blue)
For liquid side
(color : Green)
For high
pressure side
(color : Red)
When opening and closing the cap with a wrench, be careful not
to turn the wrench vigorously as it may come into contact with
surrounding parts.
Heat insulation for pipe
• Apply heat insulation of pipe separately at the liquid, HP/LP gas and suction gas sides.
• Be sure to use thermal insulator resistant up to 120°C or higher for pipes at the HP/LP gas (Gas) side.
Finishing after connecting pipes
• After piping connection work has been finished, cover the opening of the piping/wiring panel with the piping
cover, or fill silicon or putty into the space between the pipes.
• In case of drawing-out the pipes downward, also close the openings of the base plate.
• Under the opened condition, a problem may be caused due to the entering of water or dust.
For Heat Recovery System Installation
When using the piping cover
Drawing-out
frontward
For Heat Pump System Installation
When using the piping cover
Fully opened
For high
pressure
side
(color : Red)
Drawing-out
Drawing-out
frontward
For low downward
pressure
side
(color : Blue)
– 42 –
Piping/ wiring
panel
Drawing-out
Drawing-out
frontward
Close the opening with the pipe
downward
cover.
Piping/ wiring
panel
Close the opening with the pipe
cover.
When not using the piping cover
Piping/
wiring panel
Drawing-out
Fill silicon or putty into
downward
the periphery of the
pipes.
When not using the piping cover
Piping/
wiring panel
Drawing-out Drawing-out
Fill silicon or putty into the
frontward downward
periphery of the pipes.
EN
84-EN