Dover HYDRO DM-500 Manuale d'uso - Pagina 10
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2.OO installation (continued)
2.O5 Setting Dosing Parameters (continued)
Standard CE Model (continued)
Detergent Pump
Connect the initial charge signal cable to the main power
supply for the dish machine. When the signal is activated
by powering the machine on, the pump will run for the
time programmed (0 to 240 seconds) on the upper left
potentiometer. After the initial charge has run, the signal
should remain on to continue powering the dispenser. To
dose another initial charge, the dish machine's power must
be cycled.
To dispense a top-up dose of detergent during the rinse
cycle of each rack, connect the rinse signal cable to the
appropriate terminal in the dish machine or directly to the
rinse solenoid. When the signal is activated, the pump will
run at a programmable speed (0%-100%) using the right
potentiometer. The pump will run at this speed for the
duration that the signal is present. For this model, when
the detergent pump runs at max speed, the flow rate
specification is 3.4 oz/min (100 mL/min).
Rinse Pump
Similarly, the left potentiometer on the rinse pump will control
the run time during the initial charge.
In most applications, the operator will want to minimize
the rinse-aid dispensed during an initial charge, so the left
potentiometer should be turned fully counterclockwise.
When the rinse signal is activated, the pump will run at a
programmable speed (0%-100%) set by using the right
potentiometer. The pump will run at this speed for the
duration that the rinse signal is present.
For this model, when the rinse-aid pump runs at max speed,
the flow rate specification is 0.6 oz/min (17 ml/min).
3.OO operation
3.O1 Priming the Pumps
All DM-500 models have two prime buttons (one each for the Detergent and Rinse Aid pump) that can be used to prime
the inlet and outlet tubing. To use the prime buttons, however, the initial charge signal connected to the dish machine main
power must be active (e.g. the dispenser must have power). Additionally, the power/stand-by switch on the bottom of the
dispenser must be set to standby mode.
Power/Standby Switch Operation
Found on the bottom of pump body, the switch has 2
positions:
Switch to: The pump is active (ON). The pump runs normally.
Right
If no signal is present, the pump's LED will be off.
Switch to: The pump is in standby (OFF).
Left
The pump's LED will be flashing orange
10
Initial Charge
Potentiometer
0 to 240 seconds
LED
0
240s
D2TV Initial Charge Time and Pump Speed
Initial Charge
Potentiometer
0 to 240 seconds
LED
0
240s
R2TV Initial Charge Time and Pump Speed
Standby
DM-500 Power / Standby Switch
Pump Speed
Potentiometer
0 to 100 percent
0
100%
Pump Speed
Potentiometer
0 to 100 percent
0
100%
ON