Del ozone MPI-300, Installation & Operation Manual

4

MPI-300 

Installation & Operations Manual

Sanitation Recommendations

STEP 1 

Hot Water

STEP 2 

Ozone Enriched 

Cold Water

1. Total reduction of Aceto-

bacter (which contributes 
to Volatile Activity)

2. Total Reduction of Brettan-

omyces (or all wild yeasts)

3. Overall barrel freshning

None

1.0-3.0 MInutes

4. Light

1.0 Minute 1.5 MInute

5. Heavy

2.0 MIn-
utes

2.0 Minutes

3D-3. Direct Food Contact - Spray Nozzles
Applications vary. Please contact DEL Ozone for 
advice/consultation at 800-676-1335.

3D-4. Testing Dissolved Ozone Level (HACH) in 
System Effluent Water Flow
Materials Required

1.  HACH Indigo Blue AccuVac high range dis-

solved ozone test kit (DEL P/N 6-0116)

2.  5 gallon plastic pail (pre-cleaned)
3.  Cold potable supply water for MPI-300

Procedure

1.  Familiarize self with HACH AccuVac test kit.

2.  Start-up MPI-300, place and hold spray wand in 

5 gallon pail, and allow to flow for three to four 

minutes (NOTE: ensure the tip of the spray  

wand is approximately two inches above the    

bottom of the pail).

3.  Thoroughly rinse hands, ampule, and plunger 

under the pail’s overflow for one minute.

4.  Immediately take a water sample using the 

ampule (following the HACH instructions) from 

the middle of the pail at least one inch below    

the water surface.

5.  Gently shake the ampule.
6.  Immediately compare the color of the ampule to 
7.  the supplied color wheel with thumb covering 

the numerical readings. Once a color match is 
determined, move thumb and take numerical 
reading.

SECTION 4 MAINTENANCE AND 
SERVICE

4A.   Preventative Maintenance Schedule

DAILY:

1.  Check ozone generator for proper operation.

- Make sure green indicator lights are lit during 

operation.

MONTHLY:

1.  Turn off system, unplug from power.
2.  Remove and clean air filter located under “dry 

section.”

    - Remove plastic cover.
  - 

Rinse filter in warm, soapy water and allow to dry.

    - Replace filter. (DEL P/N 7-1153)

3.  Perform general cleaning of cabinet exterior.
4.  Using clean/dry compressed air, blow out the 

interior of cabinet, taking special care around 
small components and wiring.

5.  Check for debris in the debris screen located in   

the source water inlet fitting. Clean & reinstall.

6.  Check air in the tires and their general 

condition.

ANNUALLY:

1.  Remove and replace compressor air filter 

cartridge using DEL P/N 7-1132.

EVERY 10,000 HOURS:

1.  Rebuild compressor.

    - Purchase compressor rebuild kit. (DEL P/N           

    2-1007 - See Section 5B for ordering infor- 

            mation)
    - Follow instructions in compressor rebuild kit.

EVERY 18,000 HOURS:

1.  Replace ozone generation cell. (DEL P/N 9-0925)

4B. Trouble Shooting

Knowledge of electrical applications is required 
for trouble shooting. Contact a certified electrician 
if you are unsure of your ability to service the 
equipment. If any condition persists, call 800-676-
1335 or for international call 805-541-1601 for 
technical assistance.

Symptom: “OZONE ON” green indicator light out 
when switch is in the “ON” position and “PUMP ON” 
light is on.

1.  Check inside control panel for fault lights.

a.  See Low Vac & Hi Temp fault light sections.

2.  Check internal fuse.

a.  Replace if blown. (3 amp - AGC 3)

3.  Cabinet door ajar.

a.  Close and latch door.