Nova LM-700 Prime Pump P-1, Clear Load Counter CLr, Operating Parameters oP, Lockout Period LP

Models: LM-700

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THEORY OF

OPERATION

MECHANICAL

INSTALLATION

ELECTRICAL

INSTALLATION

PROGRAMMING

USER MODE

OPERATION

TROUBLESHOOTING

SPARE PARTS

LISTING

MAINTENANCE & SPECIFICATIONS

INDEX

5.3Prime Pump “P-1”

Press the Scroll Key to select pump number. Press the Enter Key to turn pump on. Press the Enter Key again to turn the pump off. Pump prime automatically ends after 5 minutes, if pump is left on.

5.4Clear Load Counter “CLr”

Every two seconds, the screen alternates between CLr and load count (all formulas). Press and hold the Enter key for two seconds to reset the Load Counter.

5.5Operating Parameters “oP”

Every two seconds, the screen alternates between oP and the current selection. Press the Enter key to select the desired mode of operation: Au (Automatic), Pb (Push Button), oc (Occurrence), or r (Relay).

NOTE:

The four operating modes, Lockout

 

Period, and other related operational

 

details are described in more detail

 

under Theory Of Operation.

5.6Lockout Period “LP”

Press the Enter key to display/edit Lockout Period value in minutes. Input method is the same as Password input. 00.0 = Lockout off. The range of adjustment is 00.0-99.9 minutes.

NOTE:

In Occurrence and Push Button

 

Modes, the programmed Lockout

 

Period must be longer than the total

 

time of all programmed pump run

 

times and delay times. The Lockout

 

Period should approximate the

 

washer cycle time for a complete load

5.7Formula Program “F-1”

Press Scroll key to select the formula number (1-4) you wish to program. Press the Enter Key to move to the Program Formulas menu loop for the selected formula number. This menu loop is not available in Relay Mode. If data is input in this loop and Relay Mode is later selected, all values will be retained for later use if Relay Mode is cancelled. Use the Next key to step through all available menu screens in this loop.

5.7.1 Pump Amount “P1A”

Every two seconds, the screen alternates between the stored run time (in seconds) for the selected pump number and Pxx. Press the Scroll key to select the desired pump number (P1A, P1B, P2A, P2B, and P3 are the available pump numbers).

To set a pump run time, press and hold the Enter key for two seconds to start the pump (display will increment seconds and pump will run). When desired time/volume is reached, press the Enter key again to stop the pump and set the value. Repeat for all desired pumps. The adjustment range is 000-240 seconds.

5.7.2 Delay Time “D1A”

Press the Scroll key to select the pump number (P1A, P1B, P2A, P2B, and P3) to be delayed. Press the Enter key and input delay time in the same manner as Password input. In Push Button Mode, program Delay Times in minutes (display will read 00.0). In all other modes, Delay Times are seconds (display will read 000).

5.7.3Assign Pump “A1A”

(only in Occurrence Mode)

Assigns pump numbers to signal sequence occur- rences. At the A1A screen, press the Scroll key to select the pump number (P1A, P1B, P2A, P2B, and P3) you wish to assign to a machine step occurrence. Press the Enter key to access occurrence input screen (oc). Press the Scroll key to assign the previously selected pump number to the machine step occur- rence (1-9) in which you desire that pump to run. Press the Enter key to set this assignment and return to the formula programming sub-menu loop. Repeat for all pumps/occurrences.

5.7.3 Finish Program “Fin”

Press the Enter key at this screen to return to the F-1 formula number selection screen in the main menu loop.

5.8Filter Duration “Fd”

Press the Enter key to view/set Signal Filter Duration (same input method as Password input). The avail- able range is 0-19 seconds; the default is 3 seconds).

NOTE:

In Occurrence Mode, set the Filter

 

Duration time long enough to filter out

 

excess fill valve signals that may occur

 

as the washer level control calls for

 

more water, etc. Automatic and Relay

 

modes typically use the default setting.

5.9User Prime “uPr”

Every 2 seconds, the screen alternates between UPr and current User Prime setting (on or off). Press the Enter Key to change this setting.

5.10 Password Edit “Pin”

Any three-digit number may be input. Press the Scroll Key to change the blinking digit to the desired value. Press the Next Key to move the blinking digit. Repeat for all digits and press the Enter Key when the desired password is present.

NOTE:

Note any password changes! Access

 

to Program Mode is not available if

 

the password is lost!

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P/N 20-07121-00 Rev. C

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Nova LM-700 manual Prime Pump P-1, Clear Load Counter CLr, Operating Parameters oP, Lockout Period LP, Formula Program F-1