Toshiba CARRIER RAV-SP300AT2-UL Installation Manual page 19

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 side
Open the valve with a 4 mm hexagon wrench.
▼ Gas side
Charge orifice
Fully closed
• 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
Ø3/8" (9.5 mm)
Valve size
Ø5/8" (15.9 mm)
Charge port
– 18 –
Installation Manual
Valve unit
Using a straight blade
screwdriver, turn it 90°
counter clockwise until
the valve is fully open
(against the stop).
Flare nut
Handle position
Fully opened
Stop pin
Main stopper
24 - 31 ft•lbs (33 - 42 N•m)
15 - 18 ft•lbs (20 - 25 N•m)
10 - 13 ft•lbs (14 - 18 N•m)
EN
18-EN