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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
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.
Gas side
Position of the Check-joint
The figure below shows the position of the check-joint.
38VT0081* ,0101* ,0121* ,0141*
For high
pressure
side
(color : Red)
For low
pressure side
(color : Blue)
For liquid side
(color : Green)
Body cap side
Charge port
Fully closed
Fully opened
38VT014A* ,0161* ,0181* ,0201* ,0221* ,0241* ,0261*
For high
pressure side
(color : Red)
For Low
pressure side
(color : Blue)
For liquid side
(color : Green)
Heat insulation for pipe
Apply heat insulation of pipe separately at the liquid, gas, and balance sides.
Be sure to use thermal insulator resistant up to 120°C or higher for pipes at the 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.
When using the piping cover
Drawing-out
frontward
Drawing-out
Close the opening with the
downward
pipe cover.
Pipe holding bracket
Attach pipe holding brackets following the table below.
Diameter of pipe (mm)
Interval
15.9 - 19.1
2 m
22.2 - 54.0
3 m
CAUTION
1. Stick the enclosed refrigerant label adjacent to the service ports for charging or recovering location and where
possible adjacent to existing nameplates or product information label.
2. Clearly write the charged refrigerant quantity on the refrigerant label using indelible ink. Then, place the
included transparent protective sheet over the label to prevent the writing from rubbing off.
3. Prevent emission of the contained fluorinated greenhouse gas. Ensure that the fluorinated greenhouse gas is
never vented to the atmosphere during installation, service or disposal. When any leakage of the contained
fluorinated greenhouse gas is detected, the leak shall be stopped and repaired as soon as possible.
4. Only qualified service personnel are allowed to access and service this product.
5. Any handling of the fluorinated greenhouse gas in this product, such as when moving the product or
rechargingthe gas, shall comply under (EU) Regulation No. 517/2014 on certain fluorinated greenhouse gases
and any relevant local legislation.
6. Periodical inspections for refrigerant leaks may be required depending on European or local legislation.
7. Contact dealers, installers, etc., for any questions.
– 22 –
When not using the piping cover
Piping/
wiring panel
Drawing-out
Fill silicon or putty into the
Drawing-out
frontward
periphery of the pipes.
downward
Piping /
wiring panel
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