Space Heating Mode - Munchkin HIGH EFFICIENCY HEATER with the "925" Controller Operating Instructions Manual

High efficiency heater with the “925” controller
Table of Contents

Advertisement

Standard Munchkin boiler
Retrofit piping (zoning with valves)

Space heating mode

make-up water
purging
valves
NOTES:
This drawing is meant to show system piping concept only.
1.
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 T50M: 3 gpm
Munchkin model T80M: 3 gpm
Munchkin model 80M: 3 gpm
Munchkin model 140M: 5 gpm
Munchkin model 199M: 7 gpm
3.
The minimum pipe size for connecting a Super Stor water heater is 1 inch.
4.
The minimum pipe size for connecting a Munchkin boiler is 1.25 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.
8.
A purging valve may be used in lieu of the ball valve / hose bib combination shown
NOTE: FOR VISION PIPING APPLICATIONS, REFER TO THE VISION INSTALLATION PIPING DIAGRAMS.
Fig. 5-3
26
zone valves
P1
T/P
Munchkin boiler
.
V1
OFF
anti-scald
mixing valve
Super Stor
indirect DHW tank
PIPING
Drawing 1A
flow
bypass
valve
cold
water

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Munchkin

Table of Contents