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Installation, Operation, and Maintenance Manual # 509252 Rev R 45
Input/Output Connections
The P300M/P300MQ/P300MT has three customer use interlock inputs. A fault
condition on any of these inputs will cause the system to shut down; the fault must be
corrected before the system can be restarted.
There must be one RF detector per system. The remaining interlock inputs are
optional. The system blower and external interlock inputs in the P105A connector
must be jumpered if these inputs are not used.
NOTE: All external switches must have gold contacts or be designed for use
with logic-level signals to ensure reliable operation.
Remote Inputs
One switch is required for remote operation of an F300S/F300SQ (to control the
STANDBY/LAMP ON functions). Connections are made through the P106 connector.
Single or Master/Slave systems may be operated remotely.
Table 5. J105A Inputs
(Customer Use Interlocks)
Interlock Pins
Fault
Condition
Contact
Ratings
Application Comments
RF Detector
(Master)
1,2,3,4 RF trip or
no detector
present
12mA @12 VDC Single lamp: One detector per system
Multiple lamps: RF Master must have
RF detector.
RF Detector
(Slave)
3,4 OPEN
CIRCUIT
12mA @12 VDC Single lamp: N/A
Multiple lamps: Typically jumpered. User
should remove jumper to install
additional RF detectors and set S1-5 to
ON (Yes)
SYS Blower 11,12 OPEN
CIRCUIT
12mA @12 VDC Typically jumpered. User may remove
jumper to install N.O. pressure switch.
Multiple switches should be wired in
series.
External
Interlock
9,10 OPEN
CIRCUIT
12mA @12 VDC Typically jumpered. User may remove
jumper to install N.O. interlock switch.
Multiple switches should be wired in
series.