Temperature Issues - IBC EX Series Installation & Operating Manual

8.4.2 Temperature issues

Issue
Low heat Operating temperature too
low. Increase temperature
target.
Priority parameters or load
configuration improperly set
up.
appliance undersized.
Air trapped within system.
Improper system piping.
System pump undersized.
Poor gas:air mixing.
Defective thermostat.
Obstruction in condensate
drain.
appliance cycling on
operating/ safety controls.
System radiation undersized. Check manufacturer's rating tables for
Temperature Incorrect anticipator setting.
exceeds thermostat
Thermostat not level.
setting
One or more zones Air trapped within zone(s)
do not heat properly piping
Low radiation/ excessive heat
loss.
Low flow rate to zone(s).
Defective zone valve/ zone
circulator.
Temperature issues
Diagnosis
Increase temperature target.
Review load configuration parameters.
Refer to Load Calculation vs. Boiler
Output.
Bleed system as required.
Refer to recommended piping guidelines
for the respective boiler model.
Check pump manufacturer's data/check
temp differential across heat exchanger.
Check CO
Refer to manufacturer's instructions.
Inspect and clean condensate drain.
Check operation with
Ohmmeter/Voltmeter.
capacity per foot.
Check with Ammeter.
Check level.
Vent system/zone as required.
Check actual length of pipe using
radiation / heat loss calculation.
Check temperature drop across zone.
Check operation per manufacturer's
instructions.
116
Section: Troubleshooting
Fix
level.
2