25
Figure 7 – Cascaded System
NOTES:
1. This drawing is meant to show system piping concept only.
Installer is responsible for all equipment & detailing required by local codes.
2. The
minimum
pipe size for connecting a SuperStor Ultra Indirect Water Heater is 1-inch.
3. The
minimum
pipe size for connecting the heater is 1.25-inch
4. Circulators are shown with isolation flanges and integral check valves. The alternative is standard flanges with full port ball valves
and a separate flow check valve. Purge valves can be used with the circulator flanges as an alternative.
5. The anti-scald mixing valve is recommended if the DHW temperature is set above the factory setting of 119°F.
6. Install a minimum of 12 diameters of straight pipe upstream of all circulators.
7.
Winterization:
When winterizing, put a drain valve on both the supply and return between the union and the shut-off connection.
Summary of Contents for PHR100-55
Page 12: ...12 PART 3 DIMENSIONS AND CLEARANCES Figure 1 LP 325 L ...
Page 59: ...59 Figure 22 ...
Page 60: ...60 Figure 23 ...
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Page 63: ...63 ...
Page 64: ...64 MAINTENANCE NOTES ...
