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Operating Angle−Type Service Valve:
1. Remove stem cap with an appropriately sized wrench.
2. Use a service wrench with a hex−head extension (3/16" for liquid line valve sizes and 5/16"
for vapor line valve sizes) to back the stem out counterclockwise as far as it will go to open
the service valve.
SERVICE PORT
CORE
TO INDOOR
UNIT
TO OUTDOOR UNIT
When service valve is OPEN, the service port is open to line set,
indoor and outdoor unit.
Operating Ball−Type Service Valve:
1. Remove stem cap with an appropriately sized wrench.
2. Use an appropriately sized wrenched to open.
A
To open rotate stem
counterclockwise
90°.
B
To close rotate stem
clockwise 90°.
SERVICE PORT
SERVICE PORT CORE
SERVICE PORT CAP
TO OUTDOOR UNIT
NOTE
A label with specific torque requirements may be affixed to the stem cap. If the label is present, use the specified torque.
SERVICE PORT CAP
SERVICE PORT CORE
(VALVE STEM SHOWN OPEN)
INSERT HEX WRENCH HERE
When service valve stem is in the CLOSED position,
the service port is open to the line set and indoor unit.
STEM CAP
To Access Service Port:
A service port cap protects the service port core from
contamination and serves as the primary leak seal.
TO INDOOR UNIT
BALL (SHOWN CLOSED)
2
VALVE STEM
1
REMOVE
STEM CAP
Figure 2. Angle and Ball−Type Service Valves
Page 5
TO INDOOR
UNIT
TO OUTDOOR
UNIT
1. Remove service port cap with an appropriately sized
wrench.
2. Connect gauge set to service port.
3. When testing is completed, replace service port cap and
tighten as follows:
S
With torque wrench: Finger tighten and torque cap per table 1.
S
Without torque wrench: Finger tighten and use an appropriately sized
wrench to turn an additional 1/6 turn clockwise.
Reinstall Stem Cap:
Stem cap protects the valve stem from damage and
serves as the primary seal. Replace the stem cap and
tighten as follows:
S
With Torque Wrench: Finger tighten and then
torque cap per table 1.
S
Without Torque Wrench: Finger tighten and use an
appropriately sized wrench to turn an additional 1/12 turn clockwise.
2
INSERT HEX−HEAD
EXTENSION HERE
VALVE STEM
SHOWN
CLOSED
1
REMOVE
STEM CAP
11 12
10
9
8
7
6
1/12 TURN
11 12
10
9
8
7
6
XP13 SERIES
1/6 TURN
1
2
3
4
5
1
2
3
4
5
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