Welbilt CREM ONE User manual

ONE
Technical Manual
TM_EN
Part No.: 1964224_02

ONE
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CONTENTS
CONTENTS 2
CONTENTS 4
MANUAL REVISIONS 5
TECHNICAL SPECIFICATIONS 6
· Explanation of descriptions 6
· Machine data 7
· Accessories 7
· Machine description 8
· External dimensions 8
ROUTINE MAINTENANCE SCHEDULE 9
· Service intervals 9
CHANGING THE GROUP GASKET 10
· All versions 10
BUTTONS AND CONTROLS 11
· 1B Version 11
· 2B Version 11
SERVICE PROGRAMMING_1B 12
· User interface 1B 12
· Factory preset 12
· Service menu – Access & browsing 12
· F.01 – Boiler lling time-out alarm 13
· F.02 – Brewing mode 13
· F.03 – Level probe sensitivity 13
· F.04 – Enabling/Disabling shot timer 13
· A.01 – Enabling/Disabling water tank alarms 14
· A.02 – Water tank lling time-out alarm 14
· A.03 – Water tank lling delay 14
· h.02 – Temperature units 15
· Kp, Kd and Ki parameters 15
· Kb – Steam boiler PID control band 15
· E – Display temperature oset 15

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CONTENTS
SERVICE PROGRAMMING_2B 16
· User interface 2B 16
· Stand-by status (OFF) 16
· Factory preset 17
· Service menu – Access & browsing 17
· Programming home screen name 18
· Enabling / Disabling ECO mode 18
· Adjusting ECO mode temperature setting 19
· Programming group boiler dispensing temperature oset 19
· Enabling / disabling Pressure Proling 20
· Adjusting GSP (Gradual Soft Preinfusion) starting pump voltage 20
· Programming lter and service/cleaning alarms 21
· Programming the boiler heating priority 21
· Enabling / disabling water tank alarms 22
· Adjusting water tank lling time-out 23
· Adjusting water tank lling delay 23
· Programming steam boiler level probe sensitivity 24
· Enabling / Disabling installation start-up program 24
· Programming service menu password 25
HYDRAULIC DIAGRAMS 26
· ONE 1B PID VP 26
· ONE 2B PID VP 27
· ONE 2B PID RP-GSP 28
· ONE 2B PID RP-LFPP 29
ELECTRICAL DIAGRAMS 30
· ONE 1B Dual - 240V 30
· ONE 2B Dual - 240V 32
· ONE 2B Dual R-GSP - 240V 34
· ONE 2B Dual R-LFPP - 240V 36
· ONE 1B Dual - 110V 38
· ONE 2B Dual - 110V 40
· ONE 2B Dual R-GSP - 110 42
· ONE 2B Dual R-LFPP - 110 44
MACHINE ALERTS 46
Thank you for choosing an ONE espresso machine. We hope you enjoy it!

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CONTENTS
· Alarms and warnings 46
TROUBLESHOOTING 47
· Machine faults 47
· Brewing faults 47
· Limescale faults 47

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MANUAL REVISIONS
Rev. # Date TSB# Description
01 July 25, 2019 none Release first draft for technical review.
02 Jan 22, 2020 none Update technical specifications and electrical diagrams
03
04
05

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TECHNICAL SPECIFICATIONS
· Explanation of descriptions
i
There are ve dierent levels of notication intensity within this manual, as identied by the signal
words DANGER, WARNING, IMPORTANT, NOTE and PRO TIP. The level of risk and importance of the
notication is determined by the following denitions. Always observe the warnings to ensure safety
and prevent potential injury and product damage.
Important:
Alerts against unsafe practices. Observe Important notications to ensure food safety,
prevent possible minor personal injury, or damage to the machine.
WARNING:
Indicates a potentially hazardous situation which, if the WARNING is ignored, could result
in serious injury or even death.
DANGER:
INDICATES AN IMMINENTLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED,
WILL LIKELY RESULT IN SERIOUS INJURY AND EVEN DEATH.
Note:
Gives additional information which may be helpful during the operation, routine
maintenance, and cleaning of the machine.
Pro Tip:
Gives helpful hints and suggestions from the manufacturer that take the guesswork out of
choosing settings and care intervals.

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TECHNICAL SPECIFICATIONS
· Machine data
· Accessories
ONE 1B Dual ONE 2B Dual ONE 2B Dual
R-GSP
ONE 2B Dual
R-LFPP
EU Compliance codes: EAEB-I91F-13AP EEEB-I91F-13AP EEEB-I91G-13AP EEEB-I94G-13AP
US Compliance codes: EAJB-K91F-13BP EEJB-K91F-13BP EEJB-K91G-13BP EEJB-K94G-13BP
Temperature control: PID control PID control PID control PID control
Dispensing
control system: Manual Group lever Manual Group lever Manual Group lever + GSP
Manual Group lever
+ GSP + LFPP
Steam wand: 1 unit 1 unit 1 unit 1 unit
Hot water outlet: 1 unit 1 unit 1 unit 1 unit
Boiler system: 1 steam boiler
Dual boiler:
1 steam boiler
+ 1 group boiler
Dual boiler:
1 steam boiler
+ 1 group boiler
Dual boiler:
1 steam boiler
+ 1 group boiler
Boiler operating pres-
sure:
0.8 to 1.2 bar /
12-17 psi
0.8 to 1.2 bar /
12-17 psi
0.8 to 1.2 bar /
12-17 psi
0.8 to 1.2 bar /
12-17 psi
Steam boiler volume: 1.7L / 0.45 gal. 1.7L / 0.45 gal. 1.7L / 0.45 gal. 1.7L / 0.45 gal.
Group boiler volume: N/A 1.5L / 0.40 gal. 1.5L / 0.40 gal. 1.5L / 0.40 gal.
EU Power rating: 220-240V~ 50-
60Hz 1800W
220-240V~ 50-
60Hz 1800W
220-240V~ 50-
60Hz 1800W
220-240V~ 50-
60Hz 1800W
US Power rating: 110-127V~ 50-
60Hz 1300W
110-127V~ 50-
60Hz 1300W
110-127V~ 50-
60Hz 1300W
110-127V~ 50-
60Hz 1300W
Water connection: 3/8” Internal thread 3/8” Internal thread 3/8” Internal thread 3/8” Internal thread
Height, width, depth: 420, 300, 458mm /
17, 12, 18in.
420, 300, 458mm /
17, 12, 18in.
420, 300, 458mm /
17, 12, 18in.
420, 311, 458mm /
17, 12, 18in.
Machine weight: 30kg / 66 lb 35kg / 77 lb 35kg / 77 lb 35kg / 77 lb
Ambient noise: < 70 db < 70 db < 70 db < 70 db
For 1B
versions
2-spouts
portalter Filter basket Filter blind Tamper Brush Cleaning tablets
Units 1 unit 1 of each 1 unit 1 unit 1 unit 1 unit
14 gr.
7 gr.
For 2B
versions
2-spouts
portalter
Filter
basket
Filter
blind Tamper Nozzle Steam tap Brush Milk Jar Cleaning tablets
Units 1 unit 1 of each 1 unit 1 unit 1 unit 1 unit 1 unit 1 unit
14 gr.
18 gr.
7 gr.

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TECHNICAL SPECIFICATIONS
· Machine description
· External dimensions
1. Water tank lid
2. Steam knob
3. Power switch
4. Steam wand
5. Brewing group
6. Double pressure gauge
7. Drip tray
8. Drain connection
9. Brewing lever
10. Hot water tap
11. Hot water knob
12. Digital display
(1B version)
13. OLED display
(2B versions)
14. Water connection selector
15. Pressure proling knob
(2B PID R-LFPP)
1 1
11 11
14
13
15
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
12
1B version 2B version
B1 C
A
D1 / D2*
Dimensions A B1 / B2 C D1 / D2
Length 420mm / 17in. 300mm / 311mm
12in. / 12in.
458mm /
18in.
88mm / 102mm
3in. / 4in,
B2
C
2B PID R-LFPP
1B/2B PID
2B PID R-GSP All models
* Measurement without the middle grid.

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ROUTINE MAINTENANCE SCHEDULE
· Service intervals
Main components Part No.
Months (Cycles)
12 (12500) 24 (25000) 36 (37500) 48 (50000)
Boiler
Vaccum valve 65000210 Check Check Check Replace
Boiler lling solenoid
valve
60000126
(230V)
60000127
(115V)
Replace
Boiler upper raccord 30000200 Check Check
Boiler lower raccord 30000203 Check Check
Safety Valve 65000115 Check Check
Brewing group
Shower 75000010 Replace Replace Replace Replace
Group head gasket 75000081
75000083 Replace Replace Replace Replace
Taps
Steam tap 15000401 Clean Replace
Water tap 15000411 Replace
Motor-pump
Vibration Pump
10036421
(230V)
60000047
(110V)
Replace
Rotary Pump 60000021 Replace
Non return valve 65000011 Replace
Pump Bypass Condor 30400055 Check
Important:
Always conduct the 6 month service intervals without delay to ensure excellent performance
of the machine and to ensure full warranty coverage.

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CHANGING THE GROUP GASKET
· All versions
1. To remove the porta-lter, use
a straight-blade screwdriver to
release the shower by prying
down with medium force.
4. Remove the lter basket(A),
then place the new gasket
and shower(B) into the porta-
lter(C).
2. Remove the shower and
gasket.
5. Preheat the gasket to soften the rubber. A - heat the gasket
for 15 seconds using the water from the hot water outlet, or
B - place the gasket, shower, and porta-lter in hot water for 30
seconds.
3. Remove and discard the old
gasket. Insert the new gasket
(chamfer and EXPOBAR logo
facing up) into the shower.
15s
30s
99OC
> 65 OC
A
A
B B
C
WARNING!
The water from the water tap is very hot! Handle with care to
prevent scalding or burns.