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Arctic Installation and Operation Manual
Maximum
If the differential air pressure exceeds the fixed set point, the contacts of the switch open and
Air
power is interrupted to the control circuit, which prevents the boiler from operating. Power
Pressure
is interrupted until air flow/pressure decreases below the setting so that the contacts close.
Switch
5.7
Troubleshooting
Refer to the troubleshooting section in the Concert Boiler Control manual on how to navigate the
Limit String Status screen that shows an active safety limit status and for an in-depth guide to all the
possible lockouts as well as recommended corrective actions for restore boiler operation.
INDICATION
Boiler is not
responding to a call
for heat, "Status" and
"Priority" show
"Standby".
Boiler is not
responding to call for
heat, "Status" shows
"Standby" and
"Priority" shows
Central Heat or
Domestic Hot Water.
Boiler is Running but
System or Boiler
Circulator is not
running.
Thermal Solutions, 1175 Manheim Pike, Lancaster, PA 17601 Web:
Phone: 717-239-7642 Fax: 877-501-5212 Email:
39
Table 16: General Troubleshooting
POSSIBLE CAUSE
Boiler is not seeing
Enable/Disable of
Domestic Demand
Input.
Boiler is not firing, or
temperature is greater
than setpoint.
Pump Not Running.
CORRECTIVE ACTION
Check wiring for loose connections or wiring
errors. If Domestic Demand is expected check
the DHW Demand/Modulation is selected
properly.
Select display Help icon and review Limit String
Status.
1. Check wiring for loose connections or wiring
errors.
2. When there is a Domestic Hot Water Heat
Request the System or Boiler Pump will be
forced "off" when their "Run Pump for"
parameter is set to "Central heat, off DHW
demand" or "Central Heat, Optional
Priority". This has been set to allow all of
the heat to be provided for fast indirect
water heater recovery. After "Priority
protection" time or the end of the Domestic
Hot Water Heat Request the system and
boiler pumps will be free to run.
www.thermalsolutions.com
sales@thermalsolutions.com
Form: 2435
Revision: 8
Date: 9-19-2016
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