Trane Variable Speed ComfortLink II 4TTV8048A1000B User Manual

16
18-BC92D1-1F-EN
Service Valves
Table 21. Open the Gas Service Valve
Important: Leak check and evacuation must be completed before
opening the service valves.
Note: Do not vent refrigerant gases into the atmosphere.
1. Remove valve stem cap.
2. Using a wrench, turn valve stem 1/4 turn counterclockwise to
the fully open position.
3. Replace the valve stem cap to prevent leaks. Tighten finger
tight plus an additional 1/6 turn.
Cap
1/4 Turn Only
Counterclockwise
for Full Open Position
Valve Stem
Unit Side
of Valve
Pressure Tap Port
Gas Line Connection
Table 22. Open the Liquid Service Valve
WWAARRNNIINNGG
SSEERRVVIICCEE VVAALLVVEESS!!
FFaaiilluurree ttoo ffoollllooww tthhiiss wwaarrnniinngg wwiillll rreessuulltt iinn aabbrruupptt
rreelleeaassee ooff ssyysstteemm cchhaarrggee aanndd mmaayy rreessuulltt iinn
ppeerrssoonnaall iinnjjuurryy aanndd//oorr pprrooppeerrttyy ddaammaaggee..
EExxttrreemmee ccaauuttiioonn sshhoouulldd bbee eexxeerrcciisseedd wwhheenn
ooppeenniinngg tthhee LLiiqquuiidd LLiinnee SSeerrvviiccee VVaallvvee.. TTuurrnn vvaallvvee
sstteemm ccoouunntteerrcclloocckkwwiissee oonnllyy uunnttiill tthhee sstteemm
ccoonnttaaccttss tthhee rroolllleedd eeddggee.. NNoo ttoorrqquuee iiss rreeqquuiirreedd..
Important: Leak check and evacuation must be completed before
opening the service valves.
4. Remove service valve cap.
5. Fully insert 3/16” hex wrench into the stem and back out
counterclockwise until valve stem just touches the rolled edge
(approximately five (5) turns).
6. Replace the valve cap to prevent leaks. Tighten finger tight
plus an additional 1/6 turn.
Cap
3/16” Hex Wrench
Rolled Edge to
Captivate Stem
Hex Headed
Valve System
Service Port
Unit Side
of Service
Valve

Trane Variable Speed ComfortLink II 4TTV8048A1000B Specifications

General

Brand	Trane
Model	Variable Speed ComfortLink II 4TTV8048A1000B
Category	Heat Pump
Language	English