
Chemical Connections
NOTE:
Consult a qualified chemical supplier for your chemical needs.
Models U-H1 and U-HB
1.
Labeled connection points (See Fig. 3) are provided inside the
control cabinet for chemical dispensing equipment (supplied by others).
Connection points include:
• Detergent signal 208-240VAC
between Wire #7 and Wire #2 .
(1 Amp Max Amperage Draw)
• Rinse aid signal 208-240VAC
between Wire #8 and Wire #2
(1 Amp Max Amperage Draw)
Figure 3
U-H1/U-HB Chemical Connection Points
2.
Detergent injection point and location of conductivity cell must be provided
by a qualified chemical supplier.
3.
Detergent may be added manually for U-H1/U-HB models not equipped with dispensing
systems. Consult your local chemical supplier for the correct amount
of non-chlorinated automatic dishwashing liquid detergent.
4.
U-H1 and U-HB models do not require chemical sanitizing agents.
5.
Rinse aid injection point is provided via a 1/2” NPT plug located in the fill manifold
piping The manifold is located after the fill solenoid valve on the center right side of the
machine base behind the gauges.
Model U-LD
1.
Equipped with three built-in dispensing pumps for detergent, sanitizer, and rinse aid.
Pump Priming switches are located on the front of the control cabinet.
(See U-LD Initial Start-up for pump priming instructions, (Pg. 13, Step 10).
(See U-LD Service for timer cam settings and adjustments, (Pg. 21)
2.
Chemical pick-up tubes are color coded.
• Red = detergent
Blue = Rinse aid
Clear = Sanitizer
Chemicals are supplied by others.
3.
Use an automatic commercial grade liquid detergent.
Use a sodium hypochlorite (Chlorine) based sanitizer at a minimum concentration of
50PPM in the final rinse.
Use chlorine test papers to verify and monitor the 50PPM chlorine level.
4.
Use a liquid rinse aid.
WARNING:
Never premix rinse aid with the sanitizing agent. Mixing may cause hazardous gases to form.
CAUTION:
Some metal, including silver, aluminum, and pewter are attacked by sodium hypochlorite
(chlorine sanitizer). Avoid cleaning these metals in a U-LD dishwasher.
12
INSTALLATION
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Rinse Aid
Detergent
Содержание U-H1
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