Cofman DW - 80 User manual

Welcome to the world of
코프맨(Cofman) 커피기계에 대한 신뢰에 깊이 감사 드립니다.
구입하신 코프맨(Coftman) 커피장비는 올바르게 사용하실 경우 매우 안전하고, 높은 신뢰도를 제공 하도록 설계되
었습니다. 커피장비를 사용하시기 전에 주의 깊게 메뉴얼을 읽는 것은 편리하고 안전한 운전을 보증하며, 좋은 품질
의 음료(커피)를 서비스하기 위하여 매우 중요합니다.
구입하신 커피장비는 엄격한 품질보증 시스템을 적용하여 제작되었으며, 장시간 사용하는 소비자를 위하여 편의
성과 높은 내구성을 갖도록 설계된 업무(소)용 제품 입니다.
이 매뉴얼에는 설치,사용,보수,청소등 코프맨(Cofman) 커피장비에 대하여 필요한 전반적인 기술 자료를 포함하고
있습니다. 따라서 오랫동안 좋은 성능을 유지하기 위해서는, 본 메뉴얼을 숙지 하시고 필요시 참고하실 수 있도록
보관 하십시오.
만약 메뉴얼의 내용에 대해서 궁금한 사항이 있으시면, 다원식품㈜ 기술팀에 연락을 주십시오.
We want to thank you for your trust in「Cofman」coffee equipments, manufactured by DAONE FOOD INC.
「Cofman」coffee equipments are designed to provide safe, durable and reliable operation if used correctly.
Therefore, it is very important to read this instruction manual carefully before using the coffee equipment for
the first time.
The coffee equipment which you have just bought is manufactured to strict quality control standards, and has
been designed applying ergonomical principles, so that you will have no problems whatsoever using it and so
that it will provide comfortable and safe operation.
In this manual you will find all the information necessary for installing, using, maintaining and cleaning your
coffee equipments. Follow all of these instructions carefully to ensure a long, trouble-free life for your coffee
equipment. Store this manual in a safe place for future reference.
If any problem arises or you have doubts as to the contents of this manual, please don't hesitate to consult
our Technical Service Team.
상표설명 (Trademark Information)
다원식품㈜의 등록상표입니다.
is the trademark of DAONE FOODS INC. in Korea.
다원식품㈜의 커피메이커는 [우수디자인상품]으로 선정되었습니다.
Cofmam Coffee Maker is to certifity that Good Design Selection by Korean Government

8.1 리터의 보온서버 (1회 4리터 추출)
보온서버(Zojirushi-일본)는 추출 후 분리하여
이동이 용이합니다. (회의장, 휴게실, 호텔 등)
수출품에 대하여는 전기적인 조정가능
* 추출후 서버의 보증온도 : 78℃ 이상 - 6시간
THERMAL SERVER COFFEE MAKER
MODEL : DW - 80
8.1 liter thermal server. (4 Liter per Cycle)
Thermal servers are easily transported to remote
meeting rooms, breakfast bars, banquet hall, etc.
International electrical configurations available.
＊
Responsibility temperature for Thermal Server
 78℃above6hours
REV. NAME CODE
DOCUMENT 설치시운전 (INSTALLATION)
추출방법 (OPERATING INSTRUCTIONS)
8.1L 보온서버 청소 (CLEANING - THERMAL SERVER 8.1L)
01 . 60
02 . 00
02 . 20
PARTS & DRAWING DIMENSIONS & TECHNICAL DATA
PART ASSEMBLY
BODY
HEATING TANK
WATER FILLING
THERMAL SERVER 8.1L
ELECTRIC WIRING
03 . 00
05 . 00
06 . 00
07 . 00
08 . 00
09 . 00
12 . 00

Water connection
1. The coffee maker can be connected to a cold water line, and
that the water pressure is between 1~5 bar.
Flush the water supply line and filter before connection it to the
coffee maker .
2. Must be used the water filter, it should be installed after the off
valve and in a position to facilitate filter replacement.
DW 80 - Installation
Installation DW 80
01 . 60
Successful Installation
If not installed correctly by qualified personnel, the coffee maker may operate properly any
damage may result. Damages resulting from improper installation are not covered by the warranty.
Here are the key points to consider before installation.
Electrical Connection
1. Verify that the actual voltage at the electrical service connection is compatible with the
specifications on the coffee maker's label.
2. All Cofman coffee makers require NEUTRAL. Ground is not an acceptable substitute.
Installation without neutral may cause the electronic components to damage.
3. Power cords and plugs are shipped your national electrical configurations.
Coffee Maker (DW 80) Setup
1. Turn on the incoming water supply line and inspect both inside and
outside of the coffee maker for leaks in all fittings and tubes.
2. Turn off the Security Thermostat (EGO).
3. Turn on the coffee maker 's main power switch.
4. As SOLENOID VALVE opens, water is filled to water tank. The heaters
will be disabled by the Security Thermostat (EGO) until the tank is full.
5. As shown in the figure, please dial according to the specified location.
[CAUTION] If the thermostat is set higher temperature than standard, it can cause boiling
and mechanical problems.

InstallationInstallation
DW 80 - Installation
DW 80
01 . 60
6. The coffee maker will be stand-by for operation as soon as the stand-
by light comes on to signify that the water tank is up to temperature.
7. The coffee maker will be stand-by for operation as soon as the stand-
by light comes on to signify that the water tank is up to temperature.
8. Brew one batch (water only) to confirm proper fill levels.
Quantity of brewing can control increase-decrease by Timer.
9. Re-attach the covers after one final inspection for leaks.
Look closely in the top of the brewer at the dispense fitting during
this inspection.
Troubleshooting
< BREWING PROBLEM >
DIVISION POSSIBLE CAUSE SOLUTION
Shot brew levels (Every Brew)
One or half batch are affected
and levels are consistent.
Spray-cap clogged. - Clean and replace the spray-cap.
Timers are set too low. - Advance timers to proper level.
Water filter clogged. - Change water filter.
Incoming Voltage is too low for timers
to function at proper time sequences. - Call an electrician in the building.
Shot brew levels (Some Brews)
One or half batch are affected
and levels are erratic.
Water pressure or flow rate is too low
or fluctuates too much to support a full
brew. (Problem is worse in simultaneous
brews.)
- Make sure Maker has a dedicated water line.
- Increase the diameter of the water line to the Maker
or stable source.
Water filter clogged. (Problem is worse
during simultaneous brews.) - Change water filter.
High brew levels (Every Brew)
Overfills but does stop Timer(s) are set too high. - Adjust timers down to appropriate level.
High brew levels (Some Brews) Glass Decanter not empty. - Empty the Glass Decanter and try again.
Maker basket or filter overflows Water pressure increase. - Adjust – Timer.
- Pressure more than 5 Bar: Install Regulator.
Maker won't stop brewing Bad or stuck fill Solenoid Valve. - Replace or rebuild the fill Solenoid valve.
Do not install Water-filter. - Install the water-filter system and replace or rebuild the
fill solenoid valve.
< TEMPERATURE PROBLEM >
DIVISION POSSIBLE CAUSE SOLUTION
Brew water is cold /
not hot enough,
Stand-by light is OFF.
No power to brewer - Make sure power switch is on.
- Check power connection. (plug or wire)
- Check building circuit breaker
Bad heater element - Check amperage draw on heater wires.
Brew water is cold /
not hot enough,
Stand-by light is ON.
Bad Thermostat (the thermostat
Belive that it is at set temperature) - Change the new Thermostat
Low brew temperature setting on EGO. - Adjust thermost (Set it to 'BEST' sign)
Slower to recover temperature. One heater fail or water tank limed up - Check amperage and inspect for lime.
Glass Decanter (Not hot ) Bad heater element - Change the new warmer heater
Boiling Thermostat set too high for altitude - Reduce temperature setting to 5℃ below
Defective thermostat (EGO) - Replace the thermostat

Place a paper filter carefully inside the maker basket and then fill it with
the appropriate an amount of coffee.
Maximum extract is 4000cc at one time, it's possible to extract two
times continuosly. (Thermal Server 8.1 L)
- In case of input water 4000cc, we recommend coffee 200g ±30g
Make sure that "Stand-By" lamp is on, maker basket is in place,
and the Thermal Server is.
Thermal Server is in position under the maker basket.
Press the "Brew" switch. If you want, can change a coffee quantity.
You use timer in coffee maker inside and coffee quantity control is
available.
Before removing the maker basket or thermal server, verify visually
that dripping has stopped.
Coffee extraction was ended. This coffee warrants temperature of
about 78℃ for 6 hours in server.
Put your coffee cup. If you press valve downward, coffee drops to cup.
Operating Instructions
DW 80 - Operating Instructions
DW 80
02 . 00
[ CAUTION ]
Before starting the initial brew, preheating of the Thermal Server is strongly recommended
to avoid brewing into a cold or room temperature by accelerating heat loss.
This can be done either at night during cleanup or first thing in the morning.

These cleaning and sanitizing instructions are only a guideline to be
used for the cleaning and sanitizing of the Thermal Server.
Before cleaning, be sure that all residual coffee in the server has been
emptied out.
Next, fill the dispenser 1/4 to 1/2 full with hot water.
If desired, an appropriate cleaning solution may also be used.
Never immerse the dispenser completely in water or run through any
dishwasher.
Then, using a cleaning brush, scrub out the liner thoroughly, loosening
coffee oils into the water.
Empty out the dirty water, either through the faucet or simply by
tipping the dispenser over and dumping out through the top opening.
[WEEKLY CLEANING]
Remove the cap of sight glass tube and clean with water or cleaning
solution, using the small brush included with the dispenser.
[WEEKLY CLEANING]
Unscrew the faucet and remove the silicone seat cup.
Clean using the small brush included with the dispenser.
Cleaning of Thermal Server (8.1L)
DW 80 - Cleaning of Thermal Server(8.1L)
DW 80
02 . 20

HEAT READY
POWER
228
95
510
194
427
780
90
175
DIMENSIONS & TECHNICAL DATA DW 80
03 . 00
TECHNICAL DETAILS (DW 80)
MODEL : DW 80
WATER FILLING : AUTO
DIMENSIONS (WxDxH) : 228 x 427 x 760
ELECTRICAL CONNECTION : 110V / 220V
POWER CONSUMPTION : 2500 W
BREWING TIME PER 4 LITER : ±7 Min
THERMAL SERVER
CAPACITY : 30 Cup / Cycle
: 250 Cup / Hr
STORAGE VOLUME : 8.1L (65 Cup)
MAXIMUM BREWING QUANTITY : ½ POT(4 Liter)
STANDARD EQUIPMENT : 1 THERMAL SERVER
: 1 BASKET
FILTER PAPER : 13 inch (134ø x100h)

PARTS ASSEMBLY DW 80
05 . 00

BODY DW 80
06 . 00
NO DISCRIPSION PART NO. REMARKS
1HOSE NIPPLE (O.D10) 83315
2 SOLENOID VALVE ASS'Y 87300
3NIPPLE (8A x 15A) 83318
4 SUS FLEXIBLE HOSE (15A x 600L) 83610
5SECURITY THERMOSTAT (EGO 16A 110℃) 87200
6 KNOB, EGO 84400
7 PCB BOARD 86300
8 PCB BOARD BRACKET 85236
9 TK SUPPORT BRACKET 85231
10 TOP FRAME 85223
11 MIDDLE FRAME 85124
12 PILOT LAMP (RED) 87203
13 PILOT LAMP (GREEN) 87202
14 POWER S/W 87400
15 BREWING S/W 87432
16 BACK COVER 85122
17 SCREW M4 X 10 81301
18 FUSE BREAKER (15A 250V) 87600
DW 80 - BODY

BODY DW 80
06 . 00

HEATING TANK DW 80
07 . 00
NO DISCRIPSION PART NO. REMARKS
1TANK COVER ASS'Y 82190
2 NUT M12 (HEATER) 81318
3 WASHER (I.D15 x O.D19) 81320
4SECURITY THERMOSTAT (EGO 16A 110℃) 87200
5 TEMPERATURE PROTECTOR 87208
6 BRACKET, TEMPERATURE PROTECTOR
7 TANK COVER 82110
8 SUS PIPE (I.D12.8 X O.D15 X L145) 83211
9SILICONE TUBE (I.D13 X O.D17 L95) 84272
10 TEFLON PACKING (I.D14 x O.D21 2t) 84200
11 HEATER ELEMENT 220V 2000W 87510
HEATER ELEMENT 220V 2500W 87512
HEATER ELEMENT 110V 2500W 87516
12 BOLT M5 X 25 81150
13 ADJUSTMENT BAR 85235
14 O-RING (I.D125 x O.D139 8t) 84206
15 HOT WATER TANK (4L) 82105
16 ADJUSTMENT PLATE (145 X 145 R125) 85107
17 INSULATION COVER Φ120 84910
18 CORD GLAND 87901
19 DW 80 FRAME - BASE 85321
20 DW 80 FRAME - 8.1L SERVER 85322
21 RUBBER LEG,S 84281
22 SCREW M4 X 20 81302
23 POWER CORD 87700
24 SILICONE TUBE ( I.D7.5 x O.D11.5 ) 84222
25 HOSE CLAMP 81351
DW 80 - HEATING TANK

HEATING TANK DW 80
07 . 00

WATER FILLING DW 80
08 . 00
NO DISCRIPSION PART NO. REMARKS
1 SUS WIRE 1.2ψx 200 83200
2 COVER, WATER FILLING 85204
3 TOP PLATE COVER 85221
4 SCREW M4 X 20 81302
5 HEAD & FILLING BASKET 84406
6 EMBLEM 82141
7 SILICONE TUBE ( I.D7.5 x O.D11.5 L 220 ) 84222
8 SILICONE TUBE ( I.D7.5 x O.D11.5 L 110 ) 84222
9SILICONE TUBE ( I.D14 x O.D18 L 110 ) 84225
10 SHOWER PLATE 85222
11 SUS PIPE (I.D6.2 X O.D8 X L60) 83212
12 SPRAY CAP 82500
13 BOLT M4 X 6 81102
14 BOLT M3 X 6 81107
15 BREWER BASKET, SUS - 2012 84121
16 WIRE BASKET - 2012 84120
17 O-RING , SPRAY CAP 84212
DW 80 - WATER FILLING

WATER FILLING DW 80
08 . 00

THERMAL SERVER (8.1L) DW 80
09 . 00
NO DISCRIPSION PART NO. REMARKS
1 COMPLETE LID ASSEMBLY 84465 56-7375
2~6 LID COVER 84466
7~9 LID BODY 84467
10~11 PIPE (SUS 9Ø) 84468
12 UPPER BODY 84469
13 O-RING 84470 56-7377
14 BOLT M4x8 84471
15 BOLT COVER 84472 56-7378
16 GRIP 84473
17 WASHER 84474
18 NUT 84475
19 BODY, SUS 84476 56-7379
20 BASE BODY 84477 56-7381
21 LEG, RUBBER 84478 56-7631
23 BASE COVER 84479
24 BOLT M4x8 84480
25 INSULATION COVER 84481
26 L – SHAPED TUBE 84482 56-7382
27 SPRING CLAMP 84483
29 CAP, SIGHT GLASS 84484 56-7633
30 PLATE 84485
31 COVER, SIGHT GLASS 84486
35 SIGHT GLASS 84487 56-7635
36 NUT 84488 56-7636
37 O-RING 84489 56-7637
38 RING 84490 56-7638
39 PACKING 84491 56-7639
40 LEVER FOR SG-CB80 84492 56-7641
41 FAUCET FOR SG-CB80 84493 56-7642
42 GUARD 84494 56-7643
43 SCREW M4 84495
46 BRUSH 84496 56-7644
DW 80 - THERMAL SERVER

THERMAL SERVER (8.1L) DW 80
09 . 00

ELECTRIC COMPONMENTS DW 80
12 . 00
COMPONENT PART NO. MODEL TESTED BY
SECURITY THERMOSTAT (EGO 16A 110℃) 87200 55.18 UL, VDE
TEMPERATURE PROTECTOR (7.5A 110℃) 87208 MS-1 UL, CSA
HEATER ELEMENT 220V 2000 W 87510 KS
HEATER ELEMENT 220V 2500 W 87512 KS
HEATER ELEMENT 110V 2000 W 87516 KS
POWER S/W (DAJEON 15A 250V) 87400 DWL KS
PILOT LAMP (GREEN) 87202 DAJEON F-2 KS
PILOT LAMP (RED) 87203 DAJEON F-2 KS
FUSE BREAKER (15A 250V) 87600 ZE-700S-15 UL
POWER CORD (250V 15A) 87700 DONG YANG KS
BREWING S/W (DAJEON 15A 250V) 87432 DWL KS
PCB BOARD 86300 DWPCB KS
*TIMER (SUNGHO 220V 3MIN) 87228 SH-MT1 KS
*RELAY (GSR 5A 250V) 87225 GPM2L CE
SOLENOID VALVE ASSY (Parker) 87300 WV121S222JV CE
SOLENOID VALVE BODY (Parker, Ø2.0 x 1/4") 87310 WV121S222JV CE
SOLENOID VALVE COIL (Parker, 8W) 87320 CE
DW 80 - ELECTRIC COMPONENTS