Flame; Compatibility; Fuses; Maintenance - Honeywell P531 Operating Manual

RS-232 (P531 front panel port only)

Flame

Maximum flame detector response time
Minimum flame detector self-checking rate
Maximum flame failure "lock-out" time
Maximum flame failure response time
Signal for presence of flame
Signal for absence of flame
No large Maximum flame signal will cause lost flame indication.

Compatibility

Viewing head #3
Viewing head #1 or #2

Fuses

No user serviceable components are inside.
Self-resetting fuses are provided internally on the following connections:
+24 PWR DC input voltage supply (DC units only)
+24 BATT Battery input voltage supply
These require cooling off period (of no load) to reset.

Cleaning

Turn power off before cleaning.
Only wipe Panel front with a soft cloth (dry or slightly dampened with water).

Cable

Connection from the Signal processor to the viewing heads shall use approved cable:
Cable can be Instrument Tray cable with CIC C22.2 No. 239 certification C330
Or must be run inside of Conduit (with properly sealed ends).

Environmental

Ambient Temperature
Humidity
Vibration
MODELS P531, P532 AND P532UI OPERATING MANUAL
Baud
Parity
Protocol
5 second
1 second
2 to 4 seconds (adjustable)
2 to 4 seconds (adjustable)
Flame on set point (adjustable)
Flame off set point (adjustable)
S702, S706, S802 or S806 (and -PH and –HF versions)
S550x, S552x, S556x (and –PF versions)
-40° C to 60° C (FM) or 0° C to 52° C (CSA)
non-condensing
Maximum 80% for temperatures below 31° C Decreasing to
50% maximum at 40° C and above
+1 g at 10 to 150 Hz
19200
None
Modbus(RTU) fixed address of 64
Rev.0405
Page 24