PREVENTATIVE MAINTENANCE
12
L20-292, rev. 1 (05/11)
WARNING
The power supply must be
disconnected before cleaning
and servicing this appliance!
3.2. MONTHLY PREVENTATIVE MAINTENANCE
Water can leave mineral deposits inside the tank. Performing the monthly preventative maintenance
steps below will keep your equipment safe and at peak performance. It may be necessary to clean
these components more then once a month.
3.2.1. DELIMING
1. Read the “operation” section of this manual prior to filling or operating the appliance.
2. Following the manufacturer’s deliming instructions, remove deposits from the tank’s interior.
3. When cleaning is complete, rinse the inside of the tank and its components thoroughly with
cool water. Continue to rinse at least twice or until the cleaner has been completely and
thoroughly rinsed from the tank.
4. Using a clean dry cloth, wipe out all of the water.
3.3. ANNUAL/PERIODIC
PREVENTATIVE MAINTENANCE AND INSPECTION
This section should ONLY be performed by a qualified service technician as part of a regular kitchen
maintenance program. This inspection should take place a minimum of once a year by an Authorized
Service Technician recommended by Pitco. It may be
necessary perform this inspection more then once a year.
3.3.1. HEATING
ELEMENT
Check if the element is mechanically strong and in
good condition. Look for scale build up and inspect for
signs of repeated dry firing.
Verify element wires are in good working condition. Look for damage to wires or frayed
insulation. Check that the insulation is dry.
Verify that bulkhead connections/nut is tight and leak free. Look for water stains and wet
surfaces.
Verify amp-draw is within range as compared to the information on the data plate.
3.3.2. TEMPERATURE PROBE & HIGH LIMIT PROBE
Verify probes are in good working condition. Check for damage and that the fasteners are
tightly secured to the tank.
Verify compression fittings are leak free.
Check wiring for loose electrical connections.
3.3.3. CONTROLLER
Perform the following inspection if the appliance is equipped with a temperature controller.
Verify that the controller is in good mechanical condition. Check all lights, displays and
switches to assure that they are working properly. Examine overlay for damage that could
allow moisture to enter.
Check for loose electrical connections.
Verify simmer temperature. Check temperature 1” above controller probe, if necessary check
probe resistance.
Check drain valve interlock (if provided) to ensure that the appliance stops heating when the
drain valve is open.
3.3.4. CONTROL BOX & ELECTRICAL COMPONENTS
Verify that heating contactors are in good condition. Check for worn or pitted contacts. Verify
that wires are tight and in good condition.
Verify that all components (transformer, terminal block, relays, drain switches, etc…) are in
good condition. Verify that wires are tight and in good condition.
Verify enclosures are free of leaks. Check for water stains and wet surfaces.
Verify that the covers and panels are in tact and provide a safe condition. Check for loose
parts.
Verify power cord is in good condition. Check for frayed or exposed wires. Verify that the
insulation is in good condition and the attachment to the appliance is tight.