Hoffman Media EDD-4C manual Operation, Controls and Indicators

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Section 3: Operation

Controls and Indicators

Button and indicator locations on the Dripmaster control panel are shown below.

Presence of oil

2

Dripmaster window

area

 

 

Lack of oil 1

Display switch 17

Freeze 16

12-second timer 15

Drip rate display 14

Timing toggle 13 switches

3Pre-lube (pump off) mode

4Drip rate

5 Valve opening

6

Open Valve

7

Valve fully open

8Control Mode

9 Manual Operation

10 Close Valve

11Valve Closing

12Drip Rate toggle switches

Figure 6: Dripmaster control panel

Table 3: Control panel—controls and indicators

Item

Name

Control or

number

 

Indicator

(Figure 6)

 

 

1

Oil

Red LED

 

 

 

Function

Lights if the valve is completely closed, indicating a complete absence of oil.

A corresponding relay contact closes when this LED is on. The terminal for this contact is called LL (Lower Limit) and appears in Figure 5 on page 10.

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Contents Patent No ,996,739 & other countries Dripmaster EDD-4CRevision Section Revision HistoryContents List of Tables List of FiguresOverview IntroductionEnd of section General InstallationWell Site Requirements Installation requirements Mounting the Dripmaster Installation KitConnection box cable routing Wiring the Power and Control Cables24VAC/DC S.B. Pre-lube Connection box-power and control linesPump On/Off conditions Setting the Drip RateOperation Controls and IndicatorsOpen Name Control or Number Indicator Automatic Control Setting Normal pump on Mode Drip RatesManual Control Pre-lube pump off ModeDripmaster EDD-4C Needle Valve Assembly Resetting the DripmasterHourstime Elapsed Theory of OperationControl Circuitry Overflow/vent hose Search FeaturePush-Down and Push-up Features Routine Maintenance Task Maintenance and TroubleshootingTroubleshooting Problem Possible Cause Solution FrequencyProblem Possible Cause Solution Dripmaster EDD-4C specifications SpecificationsDripmaster dimensions Overall DimensionsInstallation Dripmaster Service PolicyRepair procedure Product Out-of-Warranty Period Product within the Warranty PeriodReturn Instructions Shipping Terms & Conditions on reverse