24
LP- 325 REV. 3.3.15
Figure 6
– 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 Appliance is 1-inch.
3. The
minimum
pipe size for connecting the appliance 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.
M. PIPING INTO THE DHW PACK ON THE VERSA-FLAME
DO NOT pipe the domestic water connections on this appliance with black iron, galvanized steel, steel, or lead pipe. Doing so will result
in premature product failure and property damage, and WILL VOID the product warranty.
Domestic water connections must be installed in accordance with all local and national plumbing codes or any applicable prevailing
standards. The domestic inlet and outlet ports on the brazed plate heat exchanger are
¾” NPT connections. We recommend the
installation of shut-off valves and unions on both the inlet and outlet ports to isolate the appliance for future service. It is important that
the connections on the inlet and outlet are brass or copper. Never use dielectric unions or galvanized steel fittings. Teflon thread
sealant must be used to seal all appliance connections.
An approved ASSE 1017 mixing valve is provided with every appliance and must be installed on the domestic outlet to assure that hot
water temperature does not vary more than +/
– 5°F to protect the user from scalding temperatures. This valve reduces the point of
discharge temperature by mixing the hot and cold water from the discharge outlet or mixed outlet port. This device alone will not protect
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