McQuay MDS030A Manual page 20

Model: MDS030A
22 0 V~ /50 H z
L
1L1 3L 2
KM
2T1 4T2
b l ue r ed
C
S haft
CM h ea t er
R
PT C C1
S
whit e
Com p resso r
Descri p tion of com p onents and p arts:
S y mbo l Descri p tio n S y mbo l
F U
PT C Com p ressor start-u p unit
KM EXV
C ontacto r Electric ex p ansion valv e
C1- 2
Ca p acito r
PWMV
HP Hi g h pressure switc h LP Low p ressure switc h
Model: MDS030AR
22 0 V~ /50 H z
L
1L1 3L 2
KM
2T1 4T2 6T 3
b l ue r ed
C
Shaf t
h ea t er
R
PT C C1
S
whit e
Compresso r
Descri p tion of com p onents and p arts:
S y mbo l Descri p tio n S y mbo l
F U
PT C
Com p ressor start-u p unit
4WV EXV
Four-wa y valv e Electric ex p ansion valv e
KM
C ontacto r
PWMV
C 1- 2
Ca p acito r LP
HP
Hi g h pressure switc h R C Sur g e suppresso r
F U
whit e
C2
M
1 3
~
14
bl ack
F a n 1
Jumper settin g s : DIP switch J2 settin g:
Descri p tio n
JP 1 J P 2 J 2. 6
F use
O F F O F F ON
S olenoid valv e
J1. 1
OF F
O F F
F U
whit e
C2
M
1 3
~
bl ack
F a n 1
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
S olenoid valv e
J1. 3 J 1. 4 J 1. 5
O F F
OF F O F F O F F ON
2
EXV
PWMV
3
LIVE
RY1
N NE U TRA L
McQua y
CN 1
Tr a n s f o rm er
JP 1 JP 2
A B
AI - IN
Connectin g indoor units communicatio n
Not es:
Field wirin g
1:
2:
Factory wirin g
J1. 7
3:
ON
4:
2
EXV
3
LIVE
RY1
NE U TRA L
N
McQua y
CN 1
Tr a n s f o rm er
JP 1 JP 2
A B
AI - IN
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 19
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
O V- CO MP 1
J1
LP
HP
G N D
Coil middle tem p erature sensor ( TH5 )
Ambient tem p erature sensor ( TH2 )
Air dischar g e temperature sensor of the di g ital compressor (TH1 )
and J P2 are ON.
KM
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
HP
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 ON.
LP
11
HP
12
回 气 温度感温 器( TH3 )
LP
11
HP
12