Toshiba CARRIER RAV-SP180AT2-UL Installation Manual page 17

Outdoor Unit
Triple Evacuation Method chart
EVACUATE
▼
BREAK VACUUM WITH DRY NITROGEN
▼
WAIT
▼
EVACUATE
▼
BREAK VACUUM WITH DRY NITROGEN
▼
WAIT
▼
EVACUATE
▼
CHECK FOR TIGHT, DRY SYSTEM
(IF IT HOLDS DEEP VACCUM)
▼
RELEASE CHARGE INTO SYSTEM
Final Tubing Check
IMPORTANT:
Check to be certain factory tubing on both indoor and
outdoor unit has not shifted during shipment. Ensure
tubes are not rubbing against each other or any sheet
metal. Pay close attention to feeder rubes, making sure
wire ties on feeder tubes are secure and tight.
Open service valves
Open or close the valve.
▼ Liquid and gas side
Open the valve with a 4 mm hexagon wrench.
• While the valve is fully opened, after the screwdriver
has reached the stopper, do not apply torque
exceeding 4 ft•lbs (5 N•m). Applying excessive
torque may damage the valve.
Valve handling precautions
• Open the valve stem until it reaches the stop.
It is unnecessary to apply further force.
• Securely tighten the cap with a torque wrench.
• Cap tightening torque
Ø1/4" (6.4 mm)
Valve size
Ø1/2" (12.7 mm)
Charge port
– 16 –
Installation Manual
[Hexagonal wrench is required.]
10 - 13 ft•lbs (14 - 18 N•m)
24 - 31 ft•lbs (33 - 42 N•m)
10 - 13 ft•lbs (14 - 18 N•m)
EN
16-EN