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 CAP | TO INDOOR |
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| UNIT |
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| SERVICE PORT CORE |
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SERVICE PORT |
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| TO OUTDOOR |
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CORE | (VALVE STEM SHOWN OPEN) | UNIT | VALVE STEM | |
| INSERT HEX WRENCH HERE |
| SHOWN | |
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| CLOSED |
2INSERT HEX−HEAD EXTENSION HERE
TO INDOOR 
UNIT
TO OUTDOOR UNIT
STEM CAP
1 REMOVE
When service valve stem is in the CLOSED position,STEM CAP the service port is open to the line set and indoor 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.
To Access Service Port:
A service port cap protects the service port core from |
| 1/6 TURN | ||
contamination and serves as the primary leak seal. | 11 | 12 1 |
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| 2 | ||
1. | Remove service port cap with an appropriately sized | 10 |
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| wrench. | 9 |
| 3 |
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2. | Connect gauge set to service port. | 8 | 5 | 4 |
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ATo open rotate stem counterclockwise 90°.
BTo close rotate stem
clockwise 90°.
SERVICE PORT
SERVICE PORT CORE
SERVICE PORT CAP
TO INDOOR UNIT
BALL (SHOWN CLOSED)
2 VALVE STEM
3. When testing is completed, replace service port cap and | 7 6 |
tighten as follows:
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.
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| 1/12 TURN | |
Reinstall Stem Cap: |
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Stem cap protects the valve stem from damage and |
| 11 | 12 1 |
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serves as the primary seal. Replace the stem cap and |
| 2 | |||
tighten as follows: | 10 |
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S With Torque Wrench: Finger tighten and then | 9 |
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| 3 |
8 | 7 | 6 | 5 | 4 | |
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torque cap per table 1. |
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TO OUTDOOR UNIT | REMOVE |
| 1 STEM CAP |
NOTE
SWithout Torque Wrench: Finger tighten and use an
appropriately sized wrench to turn an additional 1/12 turn clockwise.
que.
Figure 2. Angle and Ball−Type Service Valves
Page 5
XP13 SERIES
