Munchkin Gas-Fired Hot Water Boiler Operations Instructions download pdf (Page 33)

PIPING

Standard Munchkin boiler

Preferred piping

(multiple boilers / zoning with circulators)

Domestic water heating mode

NOTES:

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.

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

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 2F

make-up water

closely

spaced

tees

space heating zone circuit

purging

valves

Munchkin boiler

T/P

PB1

Super Stor

indirect DHW tank

anti-scald

mixing valve

Munchkin boiler

T/P

PB2

zone

circulators

cold

water

Fig. 5-10

NOTE: FOR VISION PIPING APPLICATIONS, REFER TO THE VISION INSTALLATION PIPING DIAGRAMS.

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 47 48

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Munchkin Gas-Fired Hot Water Boiler Operations Instructions Page 33