Karma 622 User manual

MODEL 622
LIQUID COFFEE DISPENSER
For use with shelf stable liquid coffee
GENERAL DESCRIPTION
This model 622 - two flavor dispenser is designed for use with liquid concen-
trate of various ratios (80:1-5:1). The model 622 uses peristaltic pumps to
deliver the coffee concentrate and vend valves that deliver the water. The dis-
pense ratio is 1 to 1.5 ounces per second. The dispensers efficient hot water
tank produces portion sizes up to 60 ounces from cold water lines. If high vol-
umes are needed, a hot water line connection can be made, or the dispenser
can be connected to 240v. MODEL 622
SPECIFICATIONS
DIMENSIONS:
Overall 9⁄” W x 26”D x 28 ⁄”H
CONSTRUCTION:
All Stainless Steel Cabinetry
ELECTRICAL:
115 V 50/60 HZ 12amps or 208/240 V 50/60 HZ
12 amps @ 240V
PLUMBING:
1/4” Waterline Filters
WATER RESERVOIR:
1 3/4 Gallons
DISPENSE SPOUTS:
2 independent mechanism for product
1 spout for hot water (center)
OPERATION:
Timed for each flavor
DISPENSE RATE:
1.5 ounces per second
PRODUCT COMPARTMENT SIZE:
8”H x 8”W x 9”D
SHIPPING WEIGHT:
68 lbs.
P.O. Box 433
Watertown, WI 53094 USA
920-261-1424
800-558-9565
Fax [phone]
800-257-6806
Internet Web Page
http://www.karma-inc.com
E-mail - [email protected]
Producers of dependable dispensing equipment
for the food and beverage industries.
KARMA dispensers are covered by one or more U.S. patents and applications and corresponding foreign patents and applications.

CAUTION: THE HOT WATER IN WATER
TANK CAN CAUSE SEVERE BURNS. WHEN
SERVICING OR CLEANING DO NOT TIP
OR MOVE MACHINE CAUSING WATER
TO SPILL.
DO NOT ATTEMPT TO REPAIR, ADJUST
OR REPLACE COMPONENTS WITHOUT
UNPLUGGING ELECTRICAL CORD.
CAUTION: WATER PIPE CONNECTIONS AND FIXTURES DIRECTLY CONNECTED TO A
PORTABLE WATER SUPPLY SHALL BE SIZED, INSTALLED AND MAINTAINED ACCORDING
TO FEDERAL, STATE, AND LOCAL LAWS.
TABLE OF CONTENTS
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Timer Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Exploded Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-12
Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

1
16
INSTALLATION
1. Connect a 1/4” waterline from a filtered source that provides a minimum flow rate of 1 GPM.
2. The electrical connection on the 115 V model requires a minimum 15 amp outlet for the line cord to be plugged into.
3. To connect this machine to 240V, cut the current plug off and replace with 240V plug or hard wire. Hook black and red
wires to “HOT”, white wire to neutral and green wire to ground.
- NOTES -
OPTIONAL
STEP SIDE
WARMER
FIG. 1
WATERLINE
CONNECTION

215
START UP
1. Press the POWER SWITCH to the ON position after connecting
the electrical source and plumbing source. The tank will auto-
matically fill and the heater will come on when the water level
covers the heater and reaches the lower sensor probe.
NOTE: YOUR MODEL 622 IS SHIPPED WITH PUMP ROTORS IN
THE UNLOCKED POSITION. PRIOR TO PRIMING, LOCK BOTH
PUMP ROTORS (See Figure 2).
2. Open the door and load both product packs into the dispenser.
Assemble the fitment to each product pack.
3. To prime, press the water switch to the OFF position and put
the product switch to the ON position. To prime each side,
press dispense for each side until the product is visually
through all the tubing to the dispense spout. Turn the water
on. (Fig. 3)
Fig. 2
Fig. 3
- NOTES -

314
TIMER ADJUSTMENT
1. Remove plugs from correct hole on front of dispenser. (See Fig. 4)
Note: Four Timer holes; On the left the small one is on top, the large one is on bottom
On the right the small one is on top, the large one is on bottom
2. Adjust by using a small flat blade screwdriver . Turn timer stems clockwise to increase or
counterclockwise to decrease the time range. (See Fig. 5)
WARRANTY
Karma warrants, except as hereinafter provided, as follows:
1. That each product sold hereunder which is manufactured by KARMA shall be free of defects in materials or workmanship
for a period of 1 year after shipment thereof. This warranty is void in cases of damage in transit, negligence, faulty
installation, abuse, abnormal usage, misuse, accidents, or failure to maintain the product according to the instruction
manual provided. This warranty does not cover malfunctions due to dirty or clogged waterlines, lime-related conditions or
other conditions related to the local water supply. THERE IS NO OTHER EXPRESS WARRANTY; KARMA HERBY
DISCLAIMS ALL IMPLIED WARRANTIES INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY AND
FITNESS FOR ANY PARTICULAR PURPOSE INDICATED BY PURCHASER TO KARMA.
2. The sole obligation of KARMA hereunder shall be limited to repair or replacement, at the option of KARMA, of any
defective products expressly warranted under the terms of this Agreement. This obligation does not include the cost or
expense of travel time by service personnel, but does include the cost or expense of actual time spent to remove and
replace a defective part or product. This obligation shall be conditioned upon receipt of KARMA of written notice
specifically describing any defect promptly after discovery. KARMA reserves the right or inspect products claimed to be
defective and covered by warranty, either at Purchaser’s location or at KARMA’s principal place of business in
Watertown, Wisconsin, freight pre-paid; the place of such inspection to be determined solely at the option of KARMA.
Final determination as to whether a product is actually defective rests with KARMA. A defective product shall not be
otherwise returned to KARMA unless specifically authorized by KARMA.
3. KARMA will not assume responsibility, pay expenses or accept invoices for unauthorized service, repairs, or replacement
with respect to its products, even if defective. KARMA assumes no liablity for labor charges incidental to the adjustment,
service, repairing, removal or replacement of its products, or for the expense of repairs or any other direct or indirect
costs incurred by Purchaser with respect to such products, except when approved in advance by KARMA.
LIMITATION OF LIABILITY
NO CLAIMS MADE HEREUNDER BY THE PURCHASER, WHETHER AS TO GOODS DELIVERED OR FOR NONDELIVERY
SHALL BE GREATER THAN THE PURCHASE PRICE OF THE GOODS IN RESPECT OF WHICH SUCH CLAIM IS MADE.
KARMA SHALL UNDER NO CIRCUMSTANCES BE LIABLE FOR ANY LOSS OF PROFITS OR ANY OTHER INCIDENTAL
OR CONSEQUENTIAL DAMAGES, OR FOR DAMAGES IN THE NATURE OF PENALTIES.
365 DAYS/24 HOUR FAX BACK SERVICE
TO QUICKLY OBTAIN COPIES OF ONE OR MORE OF THE PAGES OF THIS MANUAL, CALL 1-800-
558-9565 OR 920-261-1424 AND SELECT EXT.152 ON KARMA’S GREETING MENU. THEN FOLLOW
THE VOICE PROMPT INSTRUCTION TO HAVE THE DESIRED INFORMATION AUTOMATICALLY
FAXED BACK TO YOU.
Fig. 4
Fig. 5
NOTE:
1.The standard time ranges allow for vessel sizes from 25 ozs. to 75 ozs.
2. Partial vessel sizes can be obtained simply by depressing the brew switch
during a brew cycle.
TIMER
HOLES

134
CALIBRATION
The calibration can be adjusted by removing the small panel on the right side of machine (See Fig. 6). Depending on the
tubing size that is through the peristaltic pumps. Follow the chart located around speed dials (See Fig. 7).
The machine has been factory set to the ratio defined at time of ordering. To change this ratio, you must first slow thr awa-
ter flow by turning the adjustment knob clockwise. This knob may be found insude the dispenser. You must take off either
side panel and locate on water tube that is in-line with dispense valve. Once you have acheived the taste profile, you may
need to reset times. See page 3.
Fig.7
Fig.6
OPTIONAL
STANDARD

5
12
CLEANING
ONCE DAILY:
1. Open the door and turn OFF the concentrate switch.
2. Using large vessel, dispense approximately 1 liter of water on each side.
3. Turn the concentrate switch ON and close door.
4. Clean the drip tray and the tray insert with a solution of mild dishwashing detergent and rinse
with hot water.
5. Wipe down the exterior cabinetry with a clean damp cloth.
WEEKLY:
1. Open front door and disassemble each fitment from the BIB’s and remove the fitment from the syrup lines.
2. Place each syrup line in at least 2 liters of a solution of 100° F water and dishwashing soap.
3. Turn the concentrate switch OFF and turn the concentrate switch ON.
4. Press each dispense handle until solution has flushed all concentrate from each syrup line.
5. Rinse each syrup line with at least 1 liter of 100°F water.
6. Mix a solution of US Chemical Sanitizer or equivalent equal to 100 parts per million chlorine into one gallon
of 100°F water.
7. Press each handle and dispense one half gallon of sanitizer per syrup line.
8. Wash the fitments in a solution of 100°F water dishwashing detergent.
9. Rinse the fitment and soak for 3 minutes in a solution of US Chemical Sanitizer or equivalent equal to 100
parts per million chlorine into one gallon of 100°F water.
10. Allow pars to air dry before reassembling fitments to tubing.
11. Reassemble fitments to B.I.B. packs.
12. Dispense each product until concentrate is primed thru each spout.
13. Turn the water switch to the ON position and close the door.
EVERY 6 MONTHS REPLACE THE CONCENTRATE TUBING.

611
TROUBLESHOOTING / CORRECTIVE ACTION
PROBLEM CORRECTIVE ACTIONPROBABLE CAUSE
1. Dispenser dispenses water
only - no concentrate (with
concentrate pump working).
2. Finished drink too strong.
3. Finished drink too weak.
4. Finished drink too cold.
5. Air bubble visible in syrup
line BIB not empty.
6.Dispenses concentrate
only.
A. Concentrate motor turned off.
B. Tubing fed through pump incorrectly.
C. Out of concentrate.
D. Pump rollers not in the locked closed position.
A. Water flow or concentrate pump speed
requires adjustment.
B. Incorrect pump tubing.
A. Water and/or concentrate pump sped adjust-
ment required.
B. Incorrect pump tubing used.
A. If the dispenser was shut off, a 25 minute
heat up time is required.
A. Syrup line has loose connection or
is damaged.
A. Water switch in “off” position.
A. Position the switches to “ON”
position.
B. Feed tubing correctly.
C. Be sure quick connect is properly
engaged to BIB.
D. Rotate pump rollers to the closed
position.
A. Adjust pump speeds.
B. Call factory.
A. Adjust pump speeds.
B. Call factory at 1-800-558-9565
A. Allow dispenser to heat water-wait
for resady light.
B. Insure water source is on.
A. Secure loose connection or replace.
A. Position switch to “on”.
FOR PROBLEMS OTHER THAN THE ABOVE,
CALL 1-800-558-9565 AND ASK FOR THE
SERVICE DEPARTMENT

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