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APEX Installation, Operating, & Service Instructions APEX Installation, Operating, & Service Instructions
Sequencer Master
(Boiler 1)
Boiler 2
Wiring locations:
Enable/Disable X
DHW Demand X
System pump X
DHW pump X
Boiler Pump X X
Sequencer Master Parameter Selections:
Sequencer Master Enabled
Indirect Water
Heater
“Primary Piped”
Pump Parameter Selections:
System Pump = Any demand Never
Boiler Pump = Any demand Any demand
DHW Pump =
Primary Loop
Piped IWH
Never
Explanation:
This piping arrangement requires the system pump to be running for any calls for heat. Also the boiler pump
must run for any call for heat.
Example Pump Parameter selections (continued)
Multiple Boilers, Primary Piped Indirect Water Heater, System Pump Run for Any Demand
7. Service Contacts
This information may be entered from a USB thumb drive or from the screen. Refer to Paragraph K. “USB
Thumb Drive Parameter Transfer”. USB Port Parameter Transfer for thumb drive instructions.
Select
to access the following parameters.
Parameter and Description Factory Setting
Contractor
Select the line of information to
edit. Use key pad to input data
and press ENT to enter data into
Contractor Info.
Enter name
Enter address line 1
Enter address line 2
Enter phone number
Enter email
Service Company
Select the line of information to
edit. Use key pad to input data
and press ENT to enter data into
Service Company Info.
Enter name
Enter address line 1
Enter address line 2
Enter phone number
Enter email
Sales Representative
Select the line of information to
edit. Use key pad to input data
and press ENT to enter data into
Sales Representative Info.
Enter name
Enter address line 1
Enter address line 2
Enter phone number
Enter email
10 Operation (continued)
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