Solar heating with an open loop system, Figure 3 – solar heating with an open loop system – Bradford White S-2-TW75T6BN User Manual
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Figure 2 – Thermostatic Mixing Valve Piping Diagram for Tempered Water (100-Gallon)
SOLAR HEATING WITH AN OPEN LOOP SYSTEM
1) Pipe the system as shown in figure 3.
2) The temperature and pressure relief valve should be piped to discharge within 6 inches from the floor.
3) The circulator should be installed to pump toward the collector(s) as shown.
4) Purge all air from the filled, open loop system.
Figure 3 – Solar Heating with an Open Loop System
THERMOSTATIC
MIXING VALVE
SHUT-OFF
POTABLE
TEMPERE
COLD
SUPPL
VACUUM BREAKER
SUPPLIED
BUSHINGS & NIPPLES
FROM
DRAIN
VALVE
FLOW CONTROL
VALVE
CIRCULATOR
PRESSURE RELIEF
VALVE (30 PSI)
TEMPERATURE AND
PRESSURE GAUGE
UNION
"TO SOLAR
COLLECTOR"
"FROM SOLAR
COLLECTOR"
TEMPERATURE AND
PRESSURE GAUGE
UNION
FULL PORT
BALL VALVE
FULL PORT
BALL VALVE
6" FROM
FLOOR
POTABLE WATER
CONNECTION
POTABLE WATER
CONNECTION