Troubleshooting guide
MAGNUM VERSION 8 MANUAL REVISION 3.1
88
Always On - If the unit is on then a pump will be on.
Cycled On Temp - Pumps will be cycled on and off based temperature of the water.
# of Pumps: Indicates the number of pumps that will be controlled (Maximum of 12).
Max Pumps Allowed: Indicates the maximum number of pumps that can be turned on concurrently.
Starting Pump RO: Select the starting pump Relay Output from a dropdown list. There must be one Relay
Output for each pump.
Pump VFD: Select the pumps variable speed Analog Output from a dropdown list (if applicable).
Pump In PSI: Select the sensor from a dropdown list that will display the pressure coming into the pumps.
Pump Out PSI: Select the sensor from a dropdown list that will display the pressure leaving the pumps. If this
is provided the system will calculate a pressure differential by subtracting Pump In PSI from the value of this
sensor. The target Setpoint #160 must reflect the target as a differential.
Starting Pump Proof: Select the sensor from a dropdown list that will indicate the status of a pump that has
been turned on. If used, there must be one input per pump. If the pump is on and the associated digital input is
OFF a boiler fault has occurred.
Pump VFD Fault: Select the sensor from a dropdown list that will indicate when a pump VFD has occurred. If
no sensor is selected this safety will not be checked.
Starting Pump Fault: Select the sensor from a drop down list that will indicate the status of a pump that has
been turned on. If used, there must be one input per pump. If the associated pump is on and this digital input
is ON a fault has occurred.
Pump Amps: Select the sensor from a drop down list that will indicate the amp draw of the associated pump.
If selected, there must be one sensor per pump. If no sensor is selected, the amp safety will not be checked.
7.75.1.4. Boiler
# of Boilers: Indicates the number of boilers that will be controlled (Maximum of 12).
Starting Boiler RO: Select the starting boiler relay output from a drop down list. There must be one Relay
Output for each boiler.
Max Boilers Allowed: Indicate the maximum number of boilers that can be turned on concurrently.
Starting Boiler Proof: Select the sensor from a dropdown list that will indicate the status of a boiler that has
been turned on. If used, there must be one input per boiler. If the associated boiler is on and this digital input is
OFF a boiler fault has occurred.
Starting Boiler Fault: Select the sensor from a dropdown list that will indicate the status of a boiler that has
been turned on. If used, there must be one input per boiler. If the associated boiler is on and this digital input is
ON a fault has occurred.
The following set points are required by the Boiler Logic
7.75.2.
# Name
Typical
Value
Description
157 B-PUMP DELAY 30 The time delay expressed as seconds between making decisions as to pump
settings.
158 B-STAGE DELY 60 The time delay expressed as seconds between making decisions as to boiler
stage settings.