ELECTRICAL HOOK-UP
WARNING
HAZARD OF ELECTRICAL SHOCK! BEFORE BEGINNING ANY WORK ON THE
INSTALLATION, MAKE SURE THE ELECTRICAL SUPPLY TO THE HEATER IS TURNED
“OFF”. FAILURE TO DO THIS COULD RESULT IN DEATH, SERIOUS BODILY INJURY,
OR PROPERTY DAMAGE.
WARNING
WATER HEATERS EQUIPPED FOR ONE VOLTAGE ONLY: CHECK THE RATING PLATE
ON THE FRONT OF THE UNIT. DO NOT USE THIS WATER HEATER WITH ANY VOLTAGE
OTHER THAN THE ONE SHOWN ON THE MODEL RATING PLATE. FAILURE TO DO SO
CAN RESULT IN DEATH, SERIOUS BODILY INJURY, OR PROPERTY DAMAGE. IF YOU
HAVE ANY QUESTIONS OR DOUBTS CONSULT YOUR ELECTRIC COMPANY.
This heater must have its own independent circuit using four wires; three live and one ground,
of the appropriate rating protected by the correctly rated three pole breaker
DANGER
FAILURE TO GROUND THE SYSTEM MAY RESULT IN DEATH OR SERIOUS INJURY
IMPORTANT
BEFORE SWITCHING “ON” THE POWER AT THE MAIN CIRCUIT BREAKER PANEL MAKE
SURE THAT THE HOT WATER CIRCUIT IS FREE OF AIR POCKETS OR PREMATURE
FAILURE OF THE ELEMENT WILL OCCUR. TO DO THIS OPEN ALL HOT WATER OUTLETS
ONE AT A TIME FOR A MINUTE OR TWO UNTIL THE WATER FLOW IS CONTINUOUS AND
FREE FROM “GULPING” AND FROM VISIBLE AIR POCKETS.
RATINGS OF “EX” THREE PHASE MODELS
MODEL
MAX. OUTPUT
CURRENT
TEMPERATURE RISE (F)
@ 208V
PER PHASE 1.5gpm 2.0gpm 2.5gpm 3.0gpm 3.5gpm 4.0gpm
EX 240
24 KW
67
109
82
65
54
47
41
EX 180
18 KW
50
82
61
49
41
35
31
THIS UNIT MUST NOT BE CONNECTED IN STAR CONFIGURATION
5
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