Samsung AM038KXWDCH, Service Manual, Page: 195 / 295

Sa m s u n g El ec troni c s 194
P ipin g Di ag r a m
7-2-2 Main cooling operation(H/R)
Coo l in g
Out d oor Hea t E x c h a n ge r ( O H X)
In d oor F a n Motor ( IFM)
Coo l in g
Out d oor Hea t E x c h a n ge r ( O H X)
In d oor F a n Motor ( IFM)
Coo l in g
Out d oor Hea t E x c h a n ge r ( O H X)
In d oor F a n Motor ( IFM)
Hea tin g
Out d oor Hea t E x c h a n ge r ( O H X)
In d oor F a n Motor ( IFM)
Coo l in g
Out d oor Hea t E x c h a n ge r ( O H X)
In d oor F a n Motor ( IFM)
Hea tin g
Out d oor Hea t E x c h a n ge r ( O H X)
In d oor F a n Motor ( IFM)
8
B
5
6
7
D
C
H i g h Te mp e r a tur e & pr e ssur e Ga s
H i g h Te mp e r a tur e & pr e ssur e L iqui d
L ow Te mp e r a tur e & pr e ssur e Ga s
L ow Te mp e r a tur e & pr e ssur e L iqui d
Coo l in g op e r a tion
M a in c oo l in g op e r .
Hea tin g op e r a tion
M a in h ea tin g op e r .
Unit Out d oor unit MCU In d oor units Out d oor units MCU
( )
1 2 3 4 A 6 7 8 9 5
( )
B
( )
C D
1
2
9
4
3
V_ PR
T_ C T1
P S_L
R ece i ve r
E_ M
T_S
T_ CO
H X _ P HE
T_ W
V_ MC
B V_H P C V_H R
C V_ MC
V_HG2
IPMC 1
IPMC 2
B V_HG
B V_LG
T_E O
V_E B
H X _ IC
T_E I
E_EV I
AC
T_L
C V_L2
V_L
C V_L
B V_L
V_ AR
V_EV I 2 V_EV I 1
COMP 1 COMP 2
T_ D 2
T_ C T2
T_ D 1
O S1 O S2
PW _H2
C V_ D 2 C V_ D 1
PW _H1
P S_H
SV_4 W
V_H C
C V_H C
V_HG
T_S2
A
T his Do cu m e nt ca n not be u s ed w itho u t Sa m s u n g ’ s au thori z a tion .
7-2 Refrigerant Flow for Each Operation Mode ( c ont . )