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P/N 42-9470 11/07 Copyright 2007 Mestek, Inc.
Cast iron condensing boiler
Cast iron condensing boiler
— Installation and operation manual
Figure A3
Indoor Air Reset wiring to IAR terminals, Heat Demand and DHW Demand using typical zone controller for
either circulators or zone valves
(see Figure 21a for terminal block
2
and
6
locations)
Appendix A — suggested wiring
(continued)
16