Emerson Liebert MC Microchannel Outdoor Condenser 28 - 220kW 用户手册
System Maintenance
57
Liebert
®
MC
™
Figure 33 Jumper locations on Control Board
301471
Pg. 2, Rev. 3
Pg. 2, Rev. 3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Spare Digital
Outputs (Not
Used)
Outputs (Not
Used)
Call for
Cooling
Cooling
Remote
Shutdown
Shutdown
Fan
Contactor
Output
Contactor
Output
Mother
Board
Board
24VAC
Earth
Ground
Ground
Fan 4
Fan 3
Fan 2
Fan 1
CPU
Board
Board
RS485
Communication
to Fans
Communication
to Fans
Spare Analog
Outputs (Not Used)
Outputs (Not Used)
Communication
from
indoor unit
from
indoor unit
Communication
from
indoor unit
from
indoor unit
CANbus
Service
Pressure
Inputs
Inputs
Circuit 1
Circuit 2
Circuit 1
Circuit 2
Ambient
Temperature
Inputs
Inputs
Alarm & Shutdown
Circuits
Circuits
Ethernet and CANbus addressing
and signal indication
and signal indication
Indicator Lights: ON - Signal Present
Indicator Lights:
ON - Signal
Present
ON - Signal
Present
Control Fuses
RS485 Service
Terminal
Terminal
BAR CODE
24VAC
CAUTION
For Continued Protection Against Risk of Fire,
Replace Only With Same Type and Rating of Fuse
For Continued Protection Against Risk of Fire,
Replace Only With Same Type and Rating of Fuse
ACM01M1
VER:A02
2010.08.10
2010.08.10
BAR CODE
Human
Machine
Interface
(HMI)
Machine
Interface
(HMI)
Circuit 1
Circuit 2
Circuit 2
F3 T3.15A, 250VAC
F2 T3.15A, 250VAC
ACM01U1 VER:A03 2010.08.10
1
1
Fuses are rated to 3A/250V
#1
#3
#2
J5
J2
J5
J6
J4