McQuay MDS030A Manual page 23

Model: MDS050AR
380 V /3 N~ /50 H z
R S
T
F U
KM
OL
T2
T 3
M
C1
~
Shaft heate r
1 8
Di g ital compresso r
Descri p tion of the com p onents and p arts:
S y mbo l Descri p tio n S y mbo l
DB 3A
F U
4WV
EXV
Four-wa y valv e Electronic ex p ansion valv e
KM
C ontacto r PWMV
C 1- 2
Ca p acito r OL Overload p rotecto r
LP
HP
Hi g h pressure switc h
R C
Sur g e suppresso r
Model: MDS060A
380 V /3 N~ /50 H z
R S
F U
KM
OL
whit e
T2
17
T1 T 3
M
~ C1
1 8
Di g ital compresso r b l ack
Descri p tion of the com p onents and p arts:
S y mbo l Descri p tio n S y mbo l
DB 3A
F U
Reversion p hase-loss p rotector
KM
C ontacto r
PWMV
C1- 2
Ca p acito r Overload p rotecto r
OL
K1- 3
Rela y LP Low p ressure switc h
HP Hi g h pressure switc h
L
81
M M
C2
~ ~
r ed r ed
2 0
F a n 1 F a n 2
Descri p tio n
F use
DIP switch J2 settin g:
OL J P 1 J P 2
J 2. 6
PWM v a lv e 12. 9A
O F F OF F
O F F
J1. 2 J 1. 3 J 1. 4 J 1. 5
O F F O F F O F F O F F O F F
whit e
1 9
M M
~ C2 ~
2 0
F a n 1 b l ack F a n 2
Descri p tio n
Overload settin g s and jumper settin g s: DIP switch J2 settin g:
F use
OL J P 1 J P 2
J 2. 6
S olenoid valv e
14. 0A
O F F OF F
ON
OF F
DB 3A
71
EXV
1
L1 LIVE
RY1
N NE U TRA L
CN 1
Tr a n s form er
JP1 JP2
A
AI - IN
Connectin g indoor units communicatio n
Not es:
Field wirin g
1:
J1. 6 J 1. 7 2:
Factory wirin g
3: J2.1~2.5 sets the internetworkin g control addres s
O F F
ON
4:
If the unit is connected at the end of the bus , JP1 and J P2 are O N .
DB 3A
L
81
K 3
2 3
K2
22
K1
21
PWMV
1
LIVE
L1
RY1
NE U TRA L
N
Tr a n s f o rm er
JP1 JP2
A
AI - IN
Connectin g indoor units communicatio n
N o t es:
Field wirin g
1:
2 :
J1. 7 Factory wirin g
3:
OF F
4: If the unit is connected at the end of the bus , JP1 and J P2 are O N .
page 22
R C
4WV
21 22
2 3
RY4 RY 5 RY 6
RY2 RY 3 RY7
J2
NE U TRA L
McQua y
O V- CO MP 3
O V- CO MP 2
O V- CO MP 1
J1
LP
HP
B G N D
Coil middle tem p erature sensor ( TH5 )
Air discharge temperature sensor of the digital compressor (TH1 )
71
K1 K2 K 3
KM
3 7 8
RY2 RY 3 RY4 RY 5 RY 6 RY7
J2
NE U TRA L
McQua y O V- CO MP 3
O V- CO MP 2
O V- CO MP 1
J1
LP
HP
B G N D
Coil middle tem p erature sensor ( TH5 )
Return air tem p erature sensor ( TH3 )
Ambient temperature sensor (TH2)
Air dischar g e temperature sensor of the di g ital compressor (TH1)
OL
12
LP
1 5
HP
1 6
Coil outlet tem p erature sensor ( TH6 )
Coil inlet tem p erature sensor ( TH4 )
Return air tem p erature sensor ( TH3 )
Ambient tem p erature sensor ( TH2 )
12 OL
LP
15
HP
1 6