Application Diagrams - heat-timer Mini-Extension Installation And Operations

Sequencing modulating control for hydronic heating systems

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Heat-Timer Corp.

MULTIPLE MODULATING BOILERS

DIRECT HEATING PIPING DIAGRAM

System:

The Mini-MOD provides 4 modulating boilers using a 4 - 20mA modulating signal. The boilers are piped in Reverse

Return on the primary loop. The System output is controlling the System Pump.

Heat-Timer Corp. is aware that each installation is unique. Thus, Heat-Timer Corp. is not responsible for any installation

related to any electrical or plumbing diagram generated by Heat-Timer Corp.. The provided illustrations are to

demonstrate Heat-Timer Corp.'s control operating concept only.

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