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
FLUEING ..................................................................................................................................... 10
GAS INLET .................................................................................................................................. 12
PUMP SELECTION ..................................................................................................................... 13
PLUMBING CONNECTIONS ...................................................................................................... 15
ELECTRICAL SUPPLY ............................................................................................................... 20
AMBIENT AIR COMPENSATION ............................................................................................... 25
COMMISSIONING .......................................................................................................................... 26
OPERATION ................................................................................................................................... 28
LIGHTING PROCEDURE ............................................................................................................ 28
ADJUSTMENT ................................................................................................................................ 30
THERMOSTATS ......................................................................................................................... 30
TEMPERATURE RISE ................................................................................................................ 34
FLOW SWITCH ........................................................................................................................... 34
HIGH LIMIT ................................................................................................................................. 34
AIR PRESSURE SWITCH ........................................................................................................... 35
FAN SPEED ADJUSTMENT ....................................................................................................... 36
TROUBLESHOOTING .................................................................................................................... 37
SERVICING .................................................................................................................................... 38
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.
CONTENTS
3
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