APPENDIX C
PRESSURE RELIEF VALVE (COMPONENT #9)
THE PRV WILL AUTOMATICALLY OPEN AND DISCHARGE FLUID OR AIR IN THE EVENT OF THE COLLECTOR
LOOP PRESSURE EXCEEDING THE MAXIMUM WORKING PRESSURE OF THE SYSTEM.
WHEN FILLING OR DRAINING THE SYSTEM THROUGH BD, THE PRV IS MANUALLY OPENED OR REMOVED
FROM THE COLLECTOR LOOP IN ORDER TO ALLOW AIR TO FLOW IN OR OUT OF THE COLLECTOR LOOP.
VALVE NO. 7 – COLD FEED TO SOLAR TANK ISOLATION VALVE
THIS VALVE IS NORMALLY OPEN. WHEN CLOSED IN CONJUNCTION WITH VALVE NO. 6 IT WILL ISOLATE
THE SOLAR STORAGE TANK FROM THE POTABLE WATER SYSTEM.
VALVE NO. 6 – HOT OUTLET FROM SOLAR TANK ISOLATION VALVE
THIS VALVE IS NORMALLY OPEN. WHEN CLOSED IN CONJUNCTION WITH VALVE NO. 7 IT WILL ISOLATE
THE SOLAR STORAGE TANK FROM THE POTABLE WATER SYSTEM.
VALVE NO. 5 – SOLAR TANK BYPASS VALVE
THIS VALVE IS NORMALLY CLOSED. WHEN OPENED IN CONJUNCTION WITH CLOSING VALVES NO. 6 & 7 IT
WILL ALLOW COLD WATER TO BYPASS THE SOLAR SYSTEM AND FEED DIRECTLY INTO THE AUXILLIARY WA-
TER HEATER.
Содержание CASCADE 2
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