Installing the water heater.
fig.12
STAND OFF TILT MOUNT
UPS15-5BFC/LC, 115 volt. The pump shall be prewired with a 6’ line cord so that it can be plugged directly into the 115 volt receptacle on the side of the differential control. Two way ball valves must be installed on either side of the circulating pump (Nos.12 and 14) so that the pump can be isolated from the collector loop. Repairs or routine system maintenance can be completed without introducing air into the system or draining the HTF.
The expansion tank shall have a minimum 150 PSIG working pressure and have a total volume of not less than 4.4 gallons. The standard factory charge should be 40 PSIG. The expansion tank shall be Rheem/Ruud Therm-X-Guard Model RRT- 12 or equal (No. 8).
A high quality thermostatic mixing valve is a required
component in all OG-300 certified systems and should be plumbed in line with brass union connections for ease of future repair or replacment (No. 32). The specified mixing valve shall be the Heatguard model HGBASE or equal and shall have an operating range between 95°F and 140°F. The mixing valve shall be set to 120°F.
The temperatures generated by your Rheem system will vary throughout the year. In the Northern Hemisphere the water temperature will be hottest in the spring and summer months while cooler temperatures are to be expect from November through March. On sunny days system temperatures may range between 110ºF to 180ºF depending upon the season and hot water demand. The mixing valve described above blends the hot and cold water
