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GAS-FIRED BOILER Boiler Manual
PART 6. BOILER PIPING WITH VISION I SYSTEM (DHW PRIORITY WITH OUTDOOR RESET)
A. VISION I SYSTEM PIPING
It is important that the system piping is done
correctly when using the Vision 1 System.
Follow the piping diagrams 2A through 3G when
piping your Munchkin Boiler with Vision I. All
general piping practices should still be main-
tained.
B. ZONING WITH ZONE VALVES USING VISION I
1. Connect the boiler to the system as shown in
piping details 3A through 3C.
2. Connect the DHW circulator (P2) directly to
the boiler as shown as shown in the piping
details. The boiler circulator (P1) will shut
down when there is a DHW demand.
C. ZONING WITH CIRCULATORS USING VISION I
1. Connect the boiler to the system as shown in
piping details 4A through 4G.
2. Connect the DHW circulator (P2) directly to
the boiler as shown in the piping details. The
boiler circulator (P1) will shut down when
there is a DHW demand.