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SOLARAY AC OG-300 SYSTEM LABELS
Labels containing the text below shall be attached to the appropriate valves on all SRCC
OG-300 certified systems.
FLUID IDENTIFICATION:
THE HEAT TRANSFER FLUID USED IN THIS SYSTEM IS INHIBITED
PROPYLENE GLYCOL. IT MUST BE HANDLED AND DISPOSED OF IN
ACCORDANCE WITH THE MANUFACTURERS RECOMMENDATIONS.
BE EXTREMELY CARFUL WHEN DRAINING THIS FLUID. IT MAY BE
DISCHARGED AT A VERY HIGH TEMPERATURE AND PRESSURE.
THE HEAT TRANFER FLUID USED IN THIS SYSTEM SHALL BE FDA
GENERALY RECOGNIZED AS SAFE (GRAS). NO OTHER FLUID SHALL BE
USED THAT WOULD CHANGE THE ORIGINAL CLASSIFICATION OF THIS
SYSTEM. UNAUTHORIZED ALTERATIONS TO THIS SYSTEM COULD RESULT
IN A HAZARDOUS HEALTH CONDITION.
PLEASE CONSULT SECTION 8 OF YOUR INSTALLATION
MANUAL FOR INSTRUCTION ON SHUTTING DOWN AND
DRAINING THE SYSTEM.
HEAT EXCHANGER
THE HEAT EXCHANGER USED IN THIS SYSTEM IS DOUBLE WALL VENTED
TO ATMOSPHERE. THE HEAT EXCHANGER IS INTEGRAL TO THE SOLAR
STORAGE TANK.
FREEZE LABEL:
A 60% CONCENTRATION OF PROPYLENE GLYCOL AND DISTILLED WATER
CAN PROTECT YOUR SOLARAY SYSTEM TO TEMPERATURES AS LOW AS
-60 F. LESSER CONCENTRATIONS OF DOWFROST HD AND DISTILLED
WATER WILL PROVIDE A LOWER LEVEL OF FREEZE PROTECTION.
PLEASE CONSULT SECTION 4.13.4 OF YOUR INSTALLATION
MANUAL FOR SPECIFIC FREEZE TOLERANCE INFORMATION.
VALVE NO. 23 - COLD WATER SUPPLY ISOLATION VALVE
THIS VALVE IS NORMALLY OPEN AND ALLOWS POTABLE WATER TO FILL
THE SOLAR STORAGE TANK. WHEN CLOSED THE SOLAR STORAGE TANK IS
ISOLATED FROM THE PRESSURIZED CITY COLD WATER SUPPLY LINE
PIPING.
VALVE NO. 5
–
TANK ISOLATION VALVE
VALVE 5 IS NORMALLY OPEN. WHEN CLOSED IN CONJUNCTION WITH
VALVE 14 THE SOLAR COLLECTOR LOOP PIPING IS ISOLATED FROM THE
SOLAR STORAGE TANK.
Appendix C