S S e e c c t t i i o o n n 6 6 - - R R e e f f r r i i g g e e r r a a n n t t H H o o s s e e a a n n d d F F i i t t t t i i n n g g s s S S t t a a n n d d a a r r d d s s

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These ports accept a #4 Flare fitting, n n o o t t an ORS fitting.

Units with Oil Return Hose

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Remove the Schrader valve from one of the service ports on the splice connector b b e e f f o o r r e e attaching oil return hose.

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Attach the oil return hose with #4 Flare fitting onto service port securely.

I I m m p p o o r r t t a a n n t t : : Failure to remove the Schrader valve will cause the oil return system to not function, ruin the

compressor, and void your warranty.

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Unused service port must retain the Schrader valve and cap.

Figure 51. Remove Schrader valve and attach oil return hose.

Units with Jet Cool (Liquid Injection System)

All MAX units are equipped with a liquid injection system that requires a special orifice be installed onto the service

port located on the suction line splice connector.

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Remove Schrader valve from the service port on splice connector and install orifice.

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Attach the liquid injection hose with #4 Flare fitting securely. V V e e r r i i f f y y o o n n l l y y t t h h e e l l i i q q u u i i d d i i n n j j e e c c t t i i o o n n h h o o s s e e i i s s a a t t t t a a c c h h e e d d t t o o

t t h h i i s s o o r r i i f f i i c c e e , , N N O O T T t t h h e e o o i i l l r r e e t t u u r r n n h h o o s s e e . .

I I m m p p o o r r t t a a n n t t : : Failure to remove the Schrader valve will cause the liquid injection system to not function, ruin the

compressor, and void your warranty.