Mitsubishi Electric PFD-P250 Installation Manual page 14

Input
Function Application
OFF the indoor
unit
- Sending a com-
tion signal mand to perform
with priority
Output
Function Application
External output of operation
Operation
status signal for each coolant
status
circuit of indoor unit.
External output of fault signal
Fault for each coolant circuit of
indoor unit.
A With-voltage input
C
E Common
G Relay contact output
I Operation status
K
M Connector connection
A With-voltage input
Pulse input of start or stop
External power
supply
SW12
D No-voltage input
SW11
Contact: Minimum applicable load DC 12 V 1 mA
Contact rating DC 12 V 0.1 A and over
G Relay contact output
Display power DC30 V 1 A or less
supply
L1, L3 Operation status
Fault status
XA ~ XE
14
Electrical Current:
over 200ms over 200ms
Short: operate
Open: stop
Level
cation command>.
Relay "a" contact output
Contact rated current: 1 A
Contact minimum load: 10 mA
B External power supply
D No-voltage input
F
H Display power supply
J Fault
L
N Wiring distance 100 m or less.
Wiring Method
2. When using the external output function, connect the signal lines to the ex-
Peel the cover of wires and connect to the terminals.
3. When using the external input function, connect the signal lines to the exter-
tion. Peel the cover of wires and connect to the terminals.
-
A Site wiring
B
transmission line wiring holes.*1
C
power supply wiring holes.*2
D
E
sult in mis-operation of the unit due to noise.
result in mis-operation of the unit due to noise.
External output functions
Product name
Use plastic-sheathed cord or cable.
External output Wiring type: CV, CVS, or equivalent.
signal lines
Display lamps No-voltage "a" contacts
etc.
External input functions
Product name
Use plastic-sheathed cord or cable.
External input Wiring type: CV, CVS, or equivalent.
signal lines
Switches No-voltage contacts
-
-
2 2
DC30 V 1 A or less
2 2