FULTON PulseHW Series Installation, Operation And Maintenance Manual page 33

Glossary
BM-Purge Fan Motor
CR-Control Relay
HLTC-Hi Limit Temp.
Control
LW-Panel Light (Low
Water Indicator)
LWCP-Low Water
Cutoff Probe
LWRS-Low Water
Reset Switch
LWSR-Low Water
Safety Relay
Note: A specific wiring diagram for your unit is provided inside the front door of your boiler.
Typical PHW-300 through PHW-1400
Electrical Drawing with Optional ModSync
LWTS-Low Water Test
Switch
GV1,2-Main Gas
Valve
PL-Panel Light (Power
on Green)
SG-Spark Generator
S.P. -Spark Plug
CFH-Panel Light (Call
for Heat)
FF-Panel Light (Flame
Failure)
Fulton Heating Solutions, Inc. -- PHW Manual -- 2010-0713
Page 33
FP-Flame
Programmer
CSR-Condensate
Sensing Relay
AS-Air Switch
FSS-Flame Sensing
Switch
LGP-Low Gas
Pressure Switch
HGP-High Gas
Pressure Switch
T/C-Operating/Firing
Rate Control
MM-Modulation Motor
BIS-Blocked Intake
Switch
BES-Blocked Exhaust
Switch
FR-Flame Rod