Finned copper tube gas boilers & water heaters – Boiler Manual
Finned copper tube gas boilers & water heaters – Boiler Manual
29
F
VAR FREQ DRIVE:
Th e variable frequency drive, which controls
the blower, reports this fault in the event of over current or other
conditions that would cause it to shut down. If this is the case,
check the fault indicators on the VFD. Th e interlock is located on
J11A, VFD.
FAULT
SYSTEM SET
160˚F
VAR FREQ DRIVE
GAS PRESSURE:
Th e optional gas pressure switches (high pressure
and low pressure) are connected in series, so if either trip, a fault
will be reported here. A reset switch is located on the gas pressure
switches. Th e interlock is located on J11A, GAS PR.
FAULT
SYSTEM SET
160˚F
GAS PRESSURE
INTERLOCK SPARE 4:
Th is is also a spare interlock (similar to
INTERLOCK SPARE 3) for future expansion or use as a fi eld
interlock. Th e interlock is located on J11B, SPARE 4.
FAULT
SYSTEM SET
160˚F
INTERLOCK SPARE 4
FLOW SWITCH ERROR:
Once the Futera Fusion series boiler
receives a call for heat, it closes the circulator pump relay. It then
waits 10 seconds to prove fl ow. If there is no fl ow, the fl ow switch
alarm will be set. Every 10 seconds the circulator pump relay will
cycle ON for 10 seconds and then OFF for 10 seconds to try and
establish fl ow. Th e interlock connection is located on J11B, WTR
FLW.
FAULT
SYSTEM SET
160˚F
WATER FLOW SWITCH
IGNITION CTRL ALARM:
Th e ignition control alarm is displayed
if the ignition control detects a fault. Th is could be a fl ame failure,
air proving switch, or other fault associated with the ignition control.
When this fault occurs, you will need to refer to the ignition control
for the reason.
FAULT
SYSTEM SET
160˚F
IGNITION CTRL ALARM
IRI ALARM:
Th e optional IRI alarm is the alarm from the gas
valve. If this alarm is set check the gas valve.
FAULT
SYSTEM SET
160˚F
IRI ALARM
