AERCO SWDW68 U-Tube Double-Wall Heaters w/ECS - Manual (Page 6)

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− SAFETY
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SAFETY PRECAUTIONS
Personnel involved in the installation, operation and maintenance of the SmartPlate Water Heater must,
at all times, observe all safety regulations. The following Warnings are general and must be given the
same attention as specific Warnings and Cautions appearing throughout this Instruction Manual.
WARNING
FLUIDS UNDER PRESSURE MAY CAUSE INJURY TO
PERSONNEL OR DAMAGE TO EQUIPMENT WHEN RELEASED.
BE SURE TO SHUT OFF ALL INCOMING AND OUTGOING
WATER SHUTOFF VALVES. CAREFULLY DECREASE ALL
TRAPPED PRESSURES TO ZERO BEFORE PERFORMING
MAINTENANCE.
WARNING
ELECTRICAL VOLTAGES UP TO 240 VAC MAY BE USED IN
THIS EQUIPMENT. DEATH ON CONTACT OR SERIOUS
PERSONAL INJURY MAY RESULT IF EXPOSED CONNECTIONS
ARE TOUCHED.
WARNING
CLOSE ALL SHUT-OFF VALVES AND CAREFULLY DECREASE
TRAPPED PRESSURES TO ZERO BEFORE PERFORMING ANY
MAINTENANCE TASKS. TAG THE UNIT “OUT OF SERVICE”
WHILE PERFORMING MAINTENANCE TASKS.