McQuay MDS 100B

Service Manual SM-MDS_(ii) 17
MC201-C
Remark:
No
No
1
Steping Motor
11
Dipswitch 3 (SW3)
2
EXV2
12
Dipswitch 4 (SW4)
3
EXV1
13
Dipswitch 1 (SW1)
4
A
pc
& B
pc
(Centralize Control)
14
Dipswitch 2 (SW2)
5
A
in
& B
in
(Outdoor Communication)
15
MC201-C PCB
6
T_Room - Room temperature
16
PCB Software Version
7
T_IN - Inlet coil temperature
17
Swing
T_MID - Midlet coil temperature
18
Pump
T_OUT - Outlet coil temperature
19
Fan Motor – HI FAN, MI FAN, LO FAN
8
MC301 Wired Hanset Connector
20
LIVE
9
Display Board & IR Receiver
21
NEUTRAL
10
Reset Button
MC201-C is a common PCB for all M(5)CKD-A/C, M(5)CMD-D/E, M(5)CCD-C, MDBD and
M(5)WMD-G (except M(5)WMD20/25G) indoor unit. The figure above shows the locations for all
dipswitches, buttons, electrical connections and sensor connections.
3
1
2
3
4
5
6
7
8
9
21
20
19
17
18
10
11
12
13
14
16
15