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State GS6 75 YRVHTL User Manual

Page 8

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• If your water heater will be installed in the Commonwealth of Massachusetts, refer to the following

graphic during installation and during modifications to the water supply system.

IN

REMOVE A

MUST BE VERTICAL TO

IR BUBBLES

E

OUT

COIL

AIR

HANDLER

TO

AIR

HANDLER

SHUT-OFF

VALVE

*

EXPANSION TANK

VACUUM
RELIEF
VALVE

COLD WATER INLET

VA

FLOW CONTROL

LV

PUMP

*

SHUT-OFF

CHECK VALVE

(1/8” HOLE

DRILLED IN CLAPPER)

VALVE

CHECK

VALVE

TEMP/

PRESSURE

RELIEF

VALVE

TEMPERED WATER
TO FIXTURES
(MUST MEET TEMPS LISTED
IN MASS. CODE 248 CMR

)

MIXING VALVE
(MUST BE INSTALLED BELOW
TOP OF WATER HEATER
AS PER MANUFACTURER’S
RECOMMENDATIONS)

UNION

UNION

HOT

WATER

OUT

*

MASSACHUSETTS INSTALLATION REQUIREMENTS:

1.) CONNECT ELECTRONICALLY-CONTROLLED TIMER TO AN ALL-BRONZE PUMP. PUMP MUST ACTIVATE EVERY 6 HOURS

FOR 60 SECONDS. TURN PUMP TIMER OFF BEFORE CLOSING PIPING LOOP SHUT-OFF VALVE.

2.) ALL WATER PIPING MUST BE INSTALLED AND INSULATED IN ACCORDANCE WITH MASSACHUSETTS CODE (248 CMR

& 780 CMR).

3.) PIPING LOOP BETWEEN WATER HEATER AND AIR HANDLER MUST BE INSTALLED IN COMPLIANCE WITH 248 CMR.

† REQUIRED FOR MASSACHUSETTS.

‡ PIPING FROM THE TOP OF THE WATER HEATER WITH TEES IS ACCEPTABLE.

WATER HEATER ACCEPTED
BY THE BOARD FOR
INSTALLATION IN
MASSACHUSETTS.

TYPICAL MIXING VALVE INSTALLATION

COMBINATION SPACE HEATING / POTABLE WATER HEATING SYSTEM

SEE
NOTE ‡

INSTALLATION GRAPHIC: GAS-FIRED POTABLE

WATER HEATING/SPACE HEATING SYSTEM

100’-0” MAXIMUM DISTANCE

FROM WATER HEATER TO FAN
COIL AND BACK. (DEVELOPED
LENGTH) NOT INCLUDING COIL

IN HEATING UNIT

8 www.statewaterheaters.com

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