SERVICE VALVES ANGLE AND BALL
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.
SERVICE PORT CAP
SERVICE PORT CORE
(VALVE STEM SHOWN OPEN) INSERT HEX WRENCH HERE
TO INDOOR
UNIT
STEM CAP
TO OUTDOOR UNIT
(VALVE STEM SHOWN CLOSED) INSERT HEX WRENCH HERE
ANGLE−TYPE SERVICE VALVE
(BACK−SEATED OPENED)
When service valve is OPEN, the service port is open to linE set, indoor and outdoor unit.
ANGLE−TYPE SERVICE VALVE (FRONT−SEATED CLOSED)
WHEN SERVICE VALVE IS CLOSED, THE SERVICE PORT IS OPEN TO THE LINE SET AND INDOOR UNIT.
Operating Ball Type Service Valve:
1.Remove stem cap with an appropriately sized wrench.
2.Use an appropriately sized wrenched to open. To open valve, rotate stem counterclockwise 90°. To close, rotate stem clockwise 90°.
To Access Service Port:
A service port cap protects the service port core from contamination and serves as the primary leak seal.
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:
TO OPEN ROTATE STEM COUNTERCLOCKWISE 90°.
TO CLOSE ROTATE STEM CLOCKWISE 90°.
TO INDOOR UNIT
BALL (SHOWN CLOSED)
VALVE
STEM
SWith torque wrench: Finger tighten and torque cap per table 1.
SWithout torque wrench: Finger tighten and use an appropriately sized wrench to turn an additional 1/6 turn clockwise.
Reinstall Stem Cap:
1/6 TURN
11 12 1
10 2
98 7 6 543
SERVICE PORT 
SERVICE PORT
CORE
SERVICE PORT
CAP
TO OUTDOOR
UNIT
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 |
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| 1 |
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| torque cap per table 1. | 11 12 |
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S | Without Torque Wrench: Finger tighten and use | 10 |
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| 2 |
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| an appropriately sized wrench to turn an addi- | 9 |
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| 3 |
| tional 1/12 turn clockwise. | 8 7 | 6 | 54 | ||
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NOTE
que.
Figure 2. Angle and Ball Service Valves
Page 5
XP17 SERIES