mrcool 13seer r410 cond install manual 4web

Unitary Ducted Split AC & HP
11
Service port cap
To outdoor unit
To indoor unit
Service port core
(valve stem shown open)
Insert hex wrench here
Stem cap
Service valve
(Back-seated opened)
Service valve
(Front-seated closed)
( Valve stem shown closed)
Insert hex wrench here
Fig.11
5.5 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
● With torque wrench: Finger tighten and torque cap per table 4.
● Without torque wrench: Finger tighten and use an appropriately sized
wrench to turn an additional 1/6 turn clockwise.
5.6 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:
● With Torque Wrench: Finger tighten and then torque cap per table 4.
● Without Torque Wrench: Finger tighten and use an appropriately sized
wrench to turn an additional 1/12 turn clockwise.
NOTE: A label with specific torque requirements may be affixed to the
stem cap. If the label is present, use the specied torque.
5.7 Install Liquid Line Filter Drier Indoor
Refer to Fig. 12 and install lter drier as follows:
1). Braze 5 in. liquid tube to the indoor coil.
2). Wrap lter drier with damp cloth.
3). Braze lter drier to 5 in. long liquid tube from step 1.
4). Connect and braze liquid refrigerant tube to the lter drier.
Fig.12—Liquid Line Filter Drier
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