Installation Guide and Manual

8
WARNING
MUST FLUSH OUT WATER HEATER FOR MINIMUM 5 MINUTES AT A MINIMUM 15
GPM ON INITIAL START UP OR AFTER ANY SERVICE WORK HAS BEEN PERFORMED.
CLOSE AND OPEN DRAIN VALVE 3 TIMES TO REMOVE ANY LODGED AIR BUBBLES.
FAILURE TO DO SO MAY DAMAGE THE HEATER.
MINIMUM INLET WATER PRESSURE 35 PSI DYNAMIC.
MAXIMUM WATER PRESSURE NOT TO EXCEED 150 PSI. RECOMMENDED
OPERATING PRESSURE 60 – 90 PSI.
USE OF A PRESSURE REGULATOR RECOMMENDED.
Water supply inlet piping must be a minimum 1 ¼” pipe diameter and it must be a
dedicated supply line. 2 ½” minimum pipe diameter on trunk main when part of a
branch system.
THE USE OF DI-ELECTRIC UNIONS MUST BE USED ON THE INLET AND OUTLET
PORTS OF THE WATER HEATER. RECOMMENDED 40 MESH Y STRAINER BE INSTALLED
IN COLD WATER INLET TO PREVENT DEBRIS FROM ENTERING THE WATER CHAMBERS.
BLOCKAGE CAUSED BY DEBRIS MAY CAUSE ELEMENT FAILURE. ISOLATION VALVES
RECOMMENDED FOR SERVICING
In applications where a long duty cycle is needed (more than 3 hours continuous
run time), or a short duty cycle (less than 30 sec. on time with less than minute off
time) please contact applications department. 1-800-543-6163
HAMMER ARRESTOR: SYSTEMS WITH A LARGE WATER VOLUME, OR LONG
LENGTHS OF PIPING CAN BE SUSCEPTIBLE TO WATER HAMMER. THE USE OF SLOW
ACTING VALVES ALONG WITH THE INSTALLATION OF A WATER HAMMER ARRESTOR IS
HIGHLY RECOMMENDED ON ALL UNITS. FAILURE TO INSTALL A WATER HAMMER
ARRESTOR CAN CAUSE DAMAGE TO WATER HEATER AND VOID WARRANTY- Refer to
manufacturer’s installation manual for proper size and installation location.