Piping Diagrams
Outdoor Units 120
4. Piping Diagrams
MOB30U-12HFN1-QRD0W MOB30U-16HFN1-QRC8W MOB30U-18HFN1-QRD0
MOCA30U-24HFN1-QRD0
L IQ U ID S ID E
G A S S ID E
H E A T
E XC H A N G E
(E VA P O R A T O R )
H E A T
E XC H A N G E
(C O N D EN SE R )
C om p res s or
2 -W A Y V A LV E
3 -W A Y V A LV E
4 -W A Y V A LV E
C O O L IN G
H E A T IN G
T 2 B E vapora to r
te m p. se n sor
o u tle t
T 1 R oo m te m p .
senso r
T 3 C on de n s er
te m p. se n sor
T 5 D is c h arge
te m p. se n sor
T 4 A m bient
te m p. se n sor
IN D O O R O U T D O O R
T 2 E va p o ra tor
te m p. se n sor
m iddle
A cc u m u lato r
E le c tronic
e xpan sio n va lve
C A P IL IA R Y T U BE
For MOCA30U-24HFN1-QRD0, there is no accumulator.
MOD30U-30HFN1-QRD0 MOD30U-36HFN1-QRD0 MOD30U-36HFN1-RRD0
MOD30U-42HFN1-QRD0 MOD30U-42HFN1-RRD0 MOE30U-48HFN1-QRD0
MOE30U-48HFN1-RRD0 MOE30U-55HFN1-RRD0
L IQ U ID S ID E
G A S S ID E
H E A T
E X C H A N G E
(E V A P O R A T O R )
H E A T
E X C H A N G E
(C O N D E N S E R )
C om p res s or
2 -W A Y V A LV E
3 -W A Y V A LV E
4 -W A Y V A LV E
C O O L IN G
H E A T IN G
T 2 B E va po ra to r
te m p. s e n so r
o u tle t
T 1 R oo m te m p.
sen so r
T 3 C on d e n se r
te m p. s e n so r
A cc um ula to r
T 5 D is ch arg e te m p . se n sor
H ig h p re ss u re sw itch
T 4 A m b ien t
te m p. s e n so r
L o w p re ssu re
sw itch
IN D O O R O U T D O O R
O il return C a p illa ry
O il sep ara to r
T 2 E v a pora to r
te m p. s e n so r
m idd le
E le c tron ic
e xp an sion v a lve
C A P IL IA R Y T U B E
For MOD30U-30HFN1-QRD0, there are no oil separator and oil return capillary.
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