Munchkin 399M Instructions d'exploitation télécharger pdf (Page 30)

GAS-FIRED BOILER Boiler Manual

Munchkin VISION 1 system

(zoning with circulators)

Space heating mode

NOTES:

1. This drawing is meant to show system piping concept only.

Installer is responsible for all equipment & detailing required by local codes.

2. All closely spaced tees shall be within 4 pipe diameter center to center spacing.

A minimum of 6 pipe diameters of straight pipe shall be installed upstream and downstream

of all closely spaced tees.

The minimum pipe size for connecting a Super Stor water heater is 1 inch.

5. The minimum pipe size for connecting a Munchkin boiler shall be 1.25 inches and 2 inches for the 399M.

All pumps are shown with isolation flanges and integral flow check valves.

The alternative is standard flanges with full port ball valves and a separate flow check valve.

7. The anti-scald mixing valve is recommended if the DHW temperature is set above the factory setting of 119˚F.

Install a minimum of 12 diameters of straight pipe upstream of all circulators.

9. A purging valve may be used in lieu of the ball valve / hose bib combination shown.

Drawing 4A

Munchkin boiler

DHW

temperature

sensor

closely spaced tees

purge

make-up water

high limit safety

zone

circulators

Super Stor

indirect DHW tank

anti-scald mixing valve

outdoor

temperature

sensor

thermal trap

(w/ drain plug)

T/P

OFF

purge

make-up water

cold

water

purge

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 75 76

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Munchkin 399M Instructions d'exploitation Page 30

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