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FOR YOUR SAFETY ........................................................................................................................ 4
ABOUT THE WATER HEATER ........................................................................................................ 5
WATER SUPPLIES .......................................................................................................................... 6
WATER QUALITY ......................................................................................................................... 6
INSTALLATION ................................................................................................................................ 7
WATER HEATER LOCATION ....................................................................................................... 8
RAISED OR MESH PLATFORM ................................................................................................... 8
HIGH WIND CONDITIONS ........................................................................................................... 8
WATER HEATER DIMENSIONS .................................................................................................. 9
CLEARANCES .............................................................................................................................. 9
COMBUSTION/VENTILATION AIR ............................................................................................... 9
FLUEING ..................................................................................................................................... 10
GAS INLET .................................................................................................................................. 12
PUMP SELECTION ..................................................................................................................... 13
COLD WATER SUPPLY / MAKE-UP .......................................................................................... 14
PLUMBING CONNECTIONS ...................................................................................................... 15
ELECTRICAL SUPPLY ............................................................................................................... 20
AMBIENT AIR COMPENSATION ............................................................................................... 25
COMMISSIONING .......................................................................................................................... 26
OPERATION ................................................................................................................................... 28
LIGHTING PROCEDURE ............................................................................................................ 28
TO TURN OFF THE WATER HEATER ....................................................................................... 29
ADJUSTMENT ................................................................................................................................ 30
THERMOSTATS ......................................................................................................................... 30
BURNER GAS PRESSURE ADJUSTMENT ............................................................................... 33
TEMPERATURE RISE ................................................................................................................ 34
FLOW SWITCH ........................................................................................................................... 34
HIGH LIMIT ................................................................................................................................. 34
AIR PRESSURE SWITCH ........................................................................................................... 35
FAN SPEED ADJUSTMENT ....................................................................................................... 36
TROUBLESHOOTING .................................................................................................................... 37
SERVICING .................................................................................................................................... 38
RAYPAK COMMERCIAL WATER HEATER WARRANTY ............................................................. 40
Upon completion of the installation and commissioning of the water heater, leave this guide
with the householder or responsible officer. DO NOT leave this guide inside of the cover of
the water heater, as it may interfere with the safe operation of the water heater or ignite
when the water heater is turned on.
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