McQuay MDS030A Manual page 22

Model: MDS050A
22 0 V~ /50 H z
L
1L1 3L 2 5L 3
KM
2T1 4T2 6T 3
C
CM
R
C1
PT C
S
1 3
whit e
Com p resso r
Descri p tion of the com p onents and p arts:
S y mbo l Descri p tio n S y mbo l
PT C F U
Com p ressor start-u p unit
KM C ontacto r
PWMV
C1- 3
Ca p acito r Low p ressure switc h
LP
HP Hi g h pressure switc h
Model: MDS050AR
22 0 V~ /50 H z
L
3L 2 5L 3 21
KM
2T1 4T2 22
C
S haf t
R
PT C C1
S
r ed
whit e
Compresso r
Descri p tion of the com p onents and p arts:
Symbo l Descri p tio n Symbo l
F U
PT C
Reverse phase-loss protecto r
4WV EXV
F our-wa y va l v e El ectron i c ex p ans i on va l v e
KM
C ontacto r
PWMV
C1- 3
Ca p acito r LP Low p ressure switc h
HP R C
Hi g h pressure switc h Sur g e suppresso r
F U
C3
C2
M M
~ ~
14
r ed r ed
F a n 1 F a n 2
Jumper settin g s :
DIP switch J2 settin g:
Descri p tio n
J 2. 6
F use
OF F O F F
ON
S olenoid valv e
OF F
F U
C3
C2
M M
~ ~
14
r ed
F a n 1 F a n 2
Descri p tio n
Jumper settin g s :
DIP switch J2 settin g:
F use
JP 1 J P 2
J 2. 6
O F F O F F
O F F
PWM v a lv e
DIP switch J1 settin g s :
J 1. 1 J 1. 2 J 1. 3 J 1. 4
J 1. 5
O F F
O F F O F F O F F
2
PWMV
3
LIVE
RY1
NE U TRA L
N
TRAN- H
McQua y
Tr a n s form e r
TRAN- L
JP 1 JP 2
B
A
AI- IN
Connectin g indoor units communicatio n
N o t es:
1: Field wirin g
Factory wirin g
J1. 7
3:
ON
4:
2
PWMV 4WV
3
LIVE
RY1
N NE U TRA L
TRAN- H
McQua y
CN 1
Tr a n s form er
TRAN- L
JP1 JP2
A B
AI-I N
Connectin g indoor units communicatio n
Not es:
1: Field wirin g
2: Factory wirin g
J1. 6 J 1. 7
3:
OF F ON
4:
page 21
KM
5 7 8 1 0
RY2 RY 3 RY4 RY 5 RY 6 RY7
J2
NE U TRA L
O V- CO MP 3
O V- CO MP 2
J1
LP
HP
G N D
Coil middle tem p erature sensor ( TH5 )
Return air tem p erature sensor ( TH3 )
Ambient tem p erature sensor ( TH2 )
Air dischar g e temperature sensor of the di g ital compressor (TH1 )
and J P2 are O N.
4 5 7 8 1 0
RY2 RY 3 RY4 RY 5 RY 6 RY7
J2
NE U TRA L
O V- CO MP 3
O V- CO MP 2
O V- CO MP 1
J1
LP
H P
G N D
Coil outlet tem p erature sensor ( TH6 )
Coil middle tem p erature sensor ( TH5 )
Coil inlet tem p erature sensor ( TH4 )
Return air tem p erature sensor ( TH3 )
Ambient tem p erature sensor ( TH2 )
Air dischar g e temperature sensor of the di g ital compressor (TH1 )
and J P2 are O N .
LP
11
HP
12
LP
11
HP
12