READ THIS MANUAL before attempting installation or operation.
CODES: The unit should be installed in accordance with national and local electrical codes.
TECHN1ICIANS: The installation is to be performed only by experienced technicians who understand our
HEAT TRANSFER FLUIDS: Use only CEI approved. Do not mix parrafin-based oils (approved) with
aromatic type oil. Refer to Section 2 for a list of approved heat transfer fluids.
HEATER BY-PASS VALVE: This valve must be open while operating. If this valve is closed and
circulation of oil in the system heated should stop, then circulation thru Hot Oil Heater will stop. This will
cause severe damage to heat exchanger and causes possible fire hazard.
WATER IN HOT OIL: Any water contacting hot oil is explosive. On initial start-up, or after the heater has
been idle for more than 30 days, or if heater is connected to a new (or idle) piping circuit, or if heat transfer
fluid is being added to the system, always follow the procedure in Section 4.1 to eliminate any water from
HOT WET-WELLS: Hot Oil will run out and burn if certain items are removed without draining hot oil
below the level of that item. Beware of HOT WET-WELLS. Typical items are temperature control
element, high limit switch, pump pressure switch, low oil level control and thermometers.
PREVENTIVE MAINTENNCE: Follow scheduled preventive maintenance checklist. At least one time
each year, verify operation of High Temperature Limit Switch and accuracy of Temperature Control, and
operation of Low Oil Level Control. Refer to Section 8 for a Preventive Maintenance Schedule.
CEI NEW INSTALLATION SERVICE
A CEI Service Engineer is available to inspect the installation, make final burner adjustments, and
review operating and maintenance procedures. Before the CEI Engineer arrives, complete the
following: (1) All piping connected, (2) Electric power connected, (3) Fuel connected, (4) System filled
with CEI approved heat transfer fluid. Minimum notice of four days is required. Insurance restrictions
do not allow CEI personnel to make electrical connections to the primary source of power or to make
any connections to the gas supply.