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0901133 Rev: A (11/13) 

 

INTRODUCTION 

The On-Premise Pro was designed to meet today’s 
laundry chemical injection needs with economy and 
flexibility in mind. Advanced microprocessor technology 
makes the OP-Pro one of Knight’s least expensive 
laundry injectors, yet has all the features to meet every 
type of on-premise laundry condition. 

The On-Premise Pro is a three component system, with 
each component performing a specific function. See 
diagram below for illustration of the following: 

(1)  The 

Signal Interface Module

 (SIB) receives supply 

signals from the washmachine. 

(2)  Signals are routed to the 

Remote Control

 which 

controls all timing and programming functions. 
Pump run times and delay times are activated for 
the selected formula number. 

(3)  The output circuit board located inside the pump 

cabinet then runs the pumps for the correct amount 
of time. 

 

FEATURES 

 

8 formula capability for various soil conditions 

 

Independent pump run times to provide specific 
volume injections 

 

Individual delay times for all wash formulas gives 
greater flexibility with ―fixed‖ timer washwheels 

 

Programmed data is stored in non-volatile memory 
and not affected by voltage spikes or power outages 

 

Optional Drain Mode and Relay Mode 

 

Optional Auto Formula Select 

 

Formula and level enable/disable capability 

 

Flush mode can be used with all modes of operation 

 

Optional flush manifold with solenoid provides single 
line diluted chemical injection 

 

LED display on the remote control lets the user know 
which pump is running, and which formula is active 

 

The signal input circuitry will accept and verify a 
signal that is in the range of 24 to 240 volts 

QUICK-REFERENCE 

Listed below is a guide for quickly setting features that are explained in detail throughout this manual. As a reminder, 
you must have access (enter access code) to change any of the settings. 

Setting   

 

 

Formula # 

Pump #  

Range/Choice   

 

Access code 

 

 

 

 

0 – 255 

Signal lockout time 

 

 

 

0 – 75 minutes 

Delay units 

 

 

 

 

1 = seconds 

60 = minutes 

Pump 7 & 8 enable 

 

 

 

0 = disabled 

1 = enabled 

Drain mode 

 

 

 

 

0 = disabled 

1 = enabled 

Invert drain signal  

 

 

 

0 = normal 

1 = inverted 

Levels disable 

 

 

 

 

0 = levels 

1 = no levels 

System reset timer 

 

 

 

0 – 75 minutes 

Auto formula select time   

 

 

0 = disabled 

1 — 5 to select time 

Auto formula select mode   

 

 

0 = micro 

1 = chart 

* Formula disable  

 

Various   

 

0 = enable 

1 = disable 

NOTE: The pump time LED must be flashing when setting all features above, except formula disable. 
* Delay time LED must be flashing when setting the formula disable feature (only). 

Summary of Contents for Knight On-Premise Pro

Page 1: ...0901133 Rev A 11 13 Page 1 of 20 On Premise Pro Instruction Manual...

Page 2: ...C 2 0 A 50 60 Hz 6 Indoor use only 7 Temperature 5 C to 40 C 8 Mains supply voltage fluctuations are not to exceed 10 percent of the nominal supply voltage Electrical Ratings Chemical dispensing pumps...

Page 3: ...ump F on all formulas to set flush time 5 Press formula SELECT until desired formula number appears 6 Use to input the pump time or flush time or delay time in seconds 7 Press ENTER the display will f...

Page 4: ...ected by voltage spikes or power outages Optional Drain Mode and Relay Mode Optional Auto Formula Select Formula and level enable disable capability Flush mode can be used with all modes of operation...

Page 5: ...voltage cables do not require conduit 5 Install and wire the Signal Interface Module SIB per notes to the right 6 For each pump cut the suction tube to length and insert one end into the appropriate...

Page 6: ...r contact at the flow switch terminals see wiring diagram to verify proper flush If a flow switch is not used jumper JP1 should be in place A flush error happens when no contact is detected switch or...

Page 7: ...tinue where you left off Entering the access code Do not access the system while pumps are being signaled from the washer Use whichever of the following two procedures that applies If the system is ne...

Page 8: ...ump time LED is flashing If the delay time LED is flashing press MODE to choose pump time 4 Choose the desired pump and formula using their respective SELECT buttons 5 Position your container below th...

Page 9: ...y advance the numbers 6 Press ENTER and the display will flash briefly indicating that the delay time was accepted NOTE During delay time countdown will display indicating a countdown in one minute in...

Page 10: ...this is normal 4 After a few seconds the pump time LED will return indicating the pump number was accepted 5 If the pump time LED returns before the desired pump has been chosen repeat steps 2 3 To vi...

Page 11: ...ula A 3 Use to choose 000 disable or 001 enable on the 3 digit display then ENTER 4 The display will flash briefly indicating that the enable disable status was accepted Assigning drain numbers 1 Ente...

Page 12: ...A new dispenser from the factory will already have these pumps disabled Also when clearing the memory pumps 7 8 are disabled by default 1 Enter the access code if you do not already have access to th...

Page 13: ...ontrol This makes the remote control more user friendly to the operators and eliminates the chance of missed chemical injections due to inadvertently choosing an unused formula By default for a new di...

Page 14: ...turned off disabled 4 The display will flash briefly indicating that the auto formula select time was accepted NOTE If AFS is enabled the system is limited to 5 chemical pumps as pump 6 is dedicated...

Page 15: ...se pump motor wires Check for voltage from circuit board to motor Check for mechanical binding of moving parts Flush errors keep occurring Check to see if a flush manifold is used if so is it operatin...

Page 16: ...Page 16 of 20 0901133 Rev A 11 13 SYSTEM WIRING DIAGRAM...

Page 17: ...0901133 Rev A 11 13 Page 17 of 20 SYSTEM PARTS DIAGRAM...

Page 18: ...Page 18 of 20 0901133 Rev A 11 13 SYSTEM PARTS DIAGRAM...

Page 19: ...0901133 Rev A 11 13 Page 19 of 20...

Page 20: ...tory authorized inspection Bearings and pump seals or rubber and synthetic rubber parts such as O rings diaphragms squeeze tubing and gaskets are considered expendable and are not covered under warran...

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