Knight Equipment Multi-Flow Installation Manual
Multi-Flow
Installation & Programming
Instruction Manual
0900455 Rev: F (06/02) Page1of20
TABLE OF CONTENTS
Menu Map.............................................................................................................3
Introduction........................................................................................................... 4
System Overview..................................................................................................4
Operation.............................................................................................................. 5
Pre-Installation .....................................................................................................6
Installation............................................................................................................6
Keypad Diagram................................................................................................... 7
Display Window....................................................................................................8
Access Codes ...................................................................................................... 8
Dispenser Setup Menu.........................................................................................9
Calibrate Pumps Menu.......................................................................................14
Formula Settings Menu ......................................................................................15
User Menu..........................................................................................................16
Data Transfer Menu............................................................................................ 17
System Wiring Diagram ..................................................................................... 18
Warranty Information.......................................................................................... 20
Knight Locations................................................................................................. 20
CAUTION: The Multi-Flow laundry system has high voltage connected to the pump circuit board. Always
disconnect main power when servicing the unit.
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MENU MAP
1
2
DISPENSER
SETUP
CALIBRATE
PUMPS
• Clear settings
• Set bleach defeat
• Set load count pump
• Select unit of m easure
• Select delay time units
• Set signal lockout
• Set system lockout
• Set auto formula select
• Set flush mode
• Choose relay mode
• Select display type
• Change formula names
• Change main access code
• Change user access code
• Change display name
• Enable/disable pumps 7 & 8
• Drain mode
• DC pump compensation
• Signal qualify time
• Prime pumps
• Choose volume or time calibration
• Calibrate pumps
• Manually enter flow rates
3
4
5
0900455 Rev: F (06/02) Page3of20
FORMULA
SETTINGS
USER
MENU
DATA
TRANSFER
• Program formula amounts
• Program pump delay times
• Program drains
• Set multiple volume levels
• Clear load counts
• Prime pumps
• Receive setup from another dispenser
INTRODUCTION
Please read this manual before attempting to program the dispenser — it will save you time.
The Multi-Flow dispenser features a user-friendly remote control, 16 formula capability, and available pump flow
rates of 8 oz/min, 23 oz/min, 40 oz/min, 155 oz/min and 226 oz/min. Many other outstanding features, including
integrated Flush mode, Drain mode, Relay mode and automatic programming, make this dispenser a good choice
for any small or large volume laundry.
Before connecting signal wires to the Multi-Flow, always check the schematic of the washwheel controller. These
schematics can be obtained in the instruction manual of the machine or by the machine manufacturer.
SYSTEM OVERVIEW
The Multi-Flow i s a two component system, with each component performing a specific function. The circuit board
located inside the pump housing, receives the supply signals from the washmachine. Signals are then routed to the
Remote (hand-held) Control, which is responsible for all timing and programming functions. Pump run times and
delay times are activated, based on what formula number has been selected — the pumps then run for the correct
amount of time (or volume). Accessories for installation and other optional components, such as flush manifolds, are
available. Contact your nearest Knight location for details.
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OPERATION
NORMAL OPERATION: The system is capable of 16 user selectable formulas with each formula having unique
run times and delay times for each pump. Signals from the washer trigger the pumps, then the Multi-Flow’s
microprocessor takes control to count down delay times and run times with up to 3 individual “levels” (explained
below) for each pump. The s upervisor of the facility, or the machine operator, will select the formula using
FORMULAor FORMULAbuttons to choose the appropriate wash formula.
Programming "levels" allows a pump to inject different amounts of chemical for multiple signals to the same pump
during a formula. For example, pump 1 could inject 8 ounces of chemical on its first signal, then later inject 12
ounces of chemical on its second signal. Up to three levels are available for any pump on any formula, except for the
load count pump. ONLY 1 LEVEL CAN BE PROGRAMMED FOR THE LOAD COUNT PUMP (and any other pump
that may be signaled simultaneously with the load count pump's signal). The level feature can also be used to “skip
over” an injection. Simply do not program any volume or delay time for that level.
When a formula begins (after the RESET button has been pushed or
from the previous formula) the first signal to a pump will activate level 1. The signal has to be present for at least the
signal qualify time to be recognized. The second signal to the pump during the formula will activate level 2. The third
signal to the pump during the formula will activate level 3. Any further signals will be disregarded once level 3 has
been activated. The load count pump signal must be received to reset levels in preparation for the next formula.
DRAIN MODE OPERATION: This mode is similar to normal operation but requires only one signal source from
the washer and works by counting the number of drains during a wash c ycle. When programming the Multi-flow
dispenser for Drain Mode, each chemical pump is assigned a specific drain occurrence to inject product on. This
feature only affects how the pumps are triggered – all other functions such as pump run times, delay times, and flush
mode, will still operate in their normal fashion.
During a wash formula, each drain signal is counted and the pumps inject chemical according to the drain number
they are assigned. Drain mode is similar to normal operation, in that the pumps are programmed with run times (and
delay times if necessary) and the flush mode works the same way it does in normal operation.
The “multiple level” feature works slightly different in drain mode, because of the way drain mode counts the number
of signals to pump #1 input. If a second injection level is required, it should be programmed to inject on a later drain
number (occurrence) than the first level for that pump.
the “Load Count” pump has been triggered
• Using signal lockout is not recommended for drain mode operation.
• During a formula, when pumps are idle, the display will show the current drain count and the formula name.
• The reset button can be used to reset the drain count.
• Auto Formula Select works with drain mode, but chart mode is not recommended.
• Auto Formula Select resets drain count.
RELAY MODE OPERATION: This type of operation is typically used with a microprocessor controlled washer.
When set to relay mode, the Multi-Flow system will run its pumps as long as their respective signals are present. To
accomplish this, the system “by-passes” its run time and delay time capabilities for the chemical pumps, however
bleach defeat and flush mode are still available, with no change in the way they’re set or used. Choosing a load
count pump is still required — load counts are tallied as a cumulative number and viewed in the typical manner.
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PRE-
INSTALLATION
Before the equipment is installed, you should survey the installation site thoroughly. At the very least, your survey
should include the following:
(1) Check to m ake sure that all functions of the laundry machine are operating properly. Such functions may
include: drain valve, hot/cold water solenoids, flush down valves, water level switch, card reader or timer, and
machine motor.
(2) Check the proposed location for a 115 or 230 VAC power source.
(3) Check the signal voltage output from the laundry machine. Measure the voltage between control signal and
signal common, NOT control signal and case ground.
(4) Measure the distance(s) from chemical supply container to pump housing and from pump housing to injection
point inside the washmachine.
INSTALLATION
(1) Mount the injector in a convenient location on a wall near the supply containers — no higher than 8’ above, and
within 10’ horizontally, of the supply containers. This location is usually near the washmachine, however,
dispenser can be mounted as a remote pumping system.
(2) Mount the Remote Control using the included bracket. The Remote Control should be mounted to the front of
the washer, near the washer’s controls where the operators can access it easily.
(3) Ensure that the voltage of the system matches the main power voltage.
(4) It’s very important to measure signal voltage between the signal wire and signal common (NOT case ground).
This measurement must be taken when the washmachine is operating and when products are being called for.
If the washmachine has 2 commons for product signals, the Multi-Flow can accommodate this by removing a
resistor to “split” commons A and B on the circuit board (see the wiring diagram on page 18 for details).
(5) BEFORE CONTINUING, DISCONNECT ALL ELECTRICAL CONNECTIONS TO THE WASHMACHINE, CARD
READER (IF SO EQUIPPED), AND INJECTOR. VERIFY THIS WITH A VOLTMETER.
(6) Run all electrical wires through suitable c onduit. Check any applicable electrical wiring codes.
(7) Inspect the wiring diagram of the washmachine and card reader (if so equipped). They are available from the
manufacturer upon request.
(8) Insert one end of the suction tube into the left side of the squeeze tube in the peristaltic pump(s).
(9) Cut suction tube to length and insert other end into the appropriate supply container using PVC pipe as a
support.
(10)Insert one end of the discharge tubing into the right side of the squeeze tube in the peristaltic pump(s).
(11)Form an anti-siphon loop (with the loop pointing “down“) with the other end of the discharge tubing and insert
the end into the supply pocket of the machine.
(12)Connect the 115 VAC or 230 VAC supply voltage to the system.
(13)Program the system via the PROGRAMMING instructions in this manual.
(14)Make any adjustments to programming which can be due to product viscosity, distance pumped, etc.
(15)Energize washmachine and card reader (if so equipped). The system should now be operational and service
free.
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