Owner manual

APPENDIX J: BENCHMARK CONTROL PANEL FEATURES
PR2: 05/09/12 Page 147 of 152
Benchmark 1.5LN Low NOx Boiler
Operation and Maintenance Manual
OMM-0041_0D
GF-120
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
P1
P2
P3
P4
P5
P6
SHELL HARNESS
CONNECTOR
(19 PIN)
GAS TRAIN HARNESS
CONNECTOR
(9 PIN)
A/F VALVE HARNESS
CONNECTOR
(16 PIN)
SENSOR
HARNESS
CONNECTOR
(7 PIN)
INTERLOCK HARNESS
CONNECTOR
(16 PIN)
TO INPUT/OUTPUT (I/O)
BOX
EXT. SENSOR/COMM
HARNESS CONNECTOR
(24 PIN)
TO INPUT/OUTPUT (I/O)
BOX
Figure J-2: Control Panel Rear Panel