Munchkin 399M Instructions d'exploitation télécharger pdf (Page 21)

PIPING

Standard Munchkin boiler

Retrofit piping (zoning with valves)

Space heating mode

Munchkin boiler

Super Stor

indirect DHW tank

T/P

Drawing 1A

make-up water

zone valves

purging

valves

NOTES:

This drawing is meant to show system piping concept only.

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

2. Adjust flow bypass valve for the following minimum boiler flow rates in any operating mode:

Munchkin model 399M: 16 gpm

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

The minimum pipe size for connecting a Munchkin boiler is 2.00 inches.

5. All pumps are shown with isolation flanges. The alternative is standard flanges with full port ball valves.

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

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

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

flow

bypass

valve

anti-scald

mixing valve

cold

water

OFF

Fig. 5-3

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Munchkin 399M Instructions d'exploitation Page 21