SEISCO residential heaters are designed to take in cold or pre-‐heated water and heat it to
temperatures suitable for normal domestic usage up to a maximum of 130
°
F.
To obtain optimum performance and energy savings, the unit should be located as near as
possible to the point of use.
The unit is supplied with ¾” NPT plumbing connections. Do not use a torch on any pipe
connected to the heater, as serious damage will result. Use Teflon tape, ensuring no debris
enters the heater. Do not use any petroleum based pipe dope or PVC primers or glue on the
unit or any fittings connected to the unit.
Ensure that the plumbing lines are clear of installation debris before connecting the unit.
VERIFY THAT THE HEATER HAS THE CORRECT NUMBER OF DEDICATED UNIQUE
208/240V CIRCUITS, USING CORRECTLY RATED WIRES AND CIRCUIT BREAKERS AND
THAT CIRCUIT BOARD JUMPERS ARE INSTALLED WHERE NECESSARY. FAILURE TO
GROUND THE SYSTEM
MAY RESULT IN DEATH OR SERIOUS INJURY
IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE CAN
CAUSE
DEATH, SERIOUS BODILY INJURY OR PROPERTY DAMAGE
. REFER TO THIS
MANUAL FOR ASSISTANCE OR CONSULT QUALIFIED PERSONNEL.
HAZARD OF ELECTRICAL SHOCK!
BEFORE REMOVING THE COVER OR SERVICING THE
UNIT, MAKE SURE THE ELECTRICAL SUPPLY TO THE WATER HEATER IS DISCONNECTED.
FAILURE TO DO THIS COULD RESULT IN DEATH, SERIOUS BODILY INJURY, OR PROPERTY
DAMAGE. DEPENDING ON YOUR INSTALLATION, IT MAY BE NECESSARY TO TURN OFF
MULTIPLE BREAKERS
TO COMPLETELY POWER DOWN YOUR UNIT.
WHEN INSTALLING THE UNIT IN ANY AREA WHERE LEAKS OF ANY NATURE COULD
CAUSE PROPERTY DAMAGE, A
DRAIN PAN
AND DRAIN LINE SUFFICIENT TO CONTAIN
THE FLOW OF WATER PROVIDED BY THE SUPPLY LINE
MUST
BE INSTALLED.
WHEN INSTALLING THE UNIT IN ANY AREA WHERE LEAKS OF ANY NATURE COULD
CAUSE PROPERTY DAMAGE OR ANY OTHER AREAS THAT ARE NOT READILY VISIBLE OR
ROUTINELY MONITORED INCLUDING CLOSETS, CABINETS AND ATTICS: A
150-‐PSI
MAXIMUM PRESSURE RELIEF VALVE
WITH DRAIN LINE
MUST
BE INSTALLED.
WARNING
WARNING
WARNING
WARNING
GENERAL SAFETY