Avantco Equipment RDM-32 User manual

User ManualUser Manual
2& 3Bowl Juice Dispenser
Models: RDM-32 , RDM-33
Please read and keep these instructions. Indoor use only
WWW.AvantcoEquipment.com 1
02/2022

User Manual
Index
General information .............................................. 3
WWW.AvantcoEquipment.com 2
Parts overview and technical data ....................... 4
Operating instructions ..................................... 5 - 6
Cleaning and maintenance .......................... 7 - 8
Wiring diagram ................................................... 9
Trouble shooting ..................................................10

User Manual
Important Safeguards
1. When using electrical appliances, basic safety precautions should always be
followed including the following:
2. Read all instructions
3. Close supervision is necessary when any appliance is used by or near children.
4. Make sure the appliance is OFF when not in use, before putting on or taking off
parts, and before cleaning.
5. Do not operate any appliance with a damaged cord or plug or after the appliance
malfunctions, or is dropped or damaged in any manner. Return appliance to the
nearest authorized service facility for examination, repair or electrical or mechanical
adjustment.
6. Do not use outdoors.
SAVE THESE INSTRUCTIONS
WWW.AvantcoEquipment.com 3
Useful instruction for transport
,QRUGHUWRSUHYHQWWKHRLOFRQWDLQHGLQWKHKHUPHWLFFRPSUHVVRUIURPÀRZLQJLQWR
the cooling circuit, it is necessary to always carry, store and handle the machine in
a vertical position, following the instructions found on the packaging.
2. If the machine was accidentally or purposely placed in a non-vertical position during
transport, before operating the machine, it should be kept in a straight position for
DSSUR[LPDWHO\PLQXWHVWRDOORZWKHRLOWRÀRZEDFNLQWRWKHFRPSUHVVRU
Unpacking: Remove cardboard and plastic covering. Make sure that the machine
KDVQRWEHHQGDPDJHG5HPRYHWKHSODVWLF¿OPIURPDOOWKHVWDLQOHVVVWHHOSDQHOV
Important: The various packaging should be kept from Children since they are
potentially dangerous. Dispose the Packaging according to the regulations from the
local authorities.

User Manual
Parts Overview
and
Technical data
WWW.AvantcoEquipment.com 4
Model Capacity Voltage (V)
(Hz) Power (W) Dimension
(Inch) Gas
RDM-32 2 x 3 Gal 120/60 265 17x18x25 R134a
RDM-33 2 x 3 Gal 120/60 272 24x18x25 R134a
1Cover
2Stainless steel valve
3Tap gasket
4Tank
5Tap lever
6footstock
7Motor mounting plate
8Motor
9Control panel sticker
10 Controller
11 ABS Side panel(Controller side)
12 Corner Plug
13 Front panel
14 Lid of water tray
15 Water tray
16 Compressor
17 Adjustable leg
18 Condenser
19 Switch side fan plate
20 Power switch SC767
21 Switch for mixing motor SC791
22 Cover for switches
23 Axial flow ventilator
24 Transformer
25 Main box
26 Back panel
27 Fan cover
28 Electrical panel
29 coupler
30 Aluminum shaft
31 Rotor
32 Rotor positioning plate
33 Washer of Evaporator
34 Paddle
35 Tank Evaporator
36 Gasket for bowl

User Manual
Operating Instructions
WWW.AvantcoEquipment.com 5
Positioning
1. Do not install the appliance in the area where
a water jet could be used.
2. Place machine on a horizontal and sturdy
surface.
3. Please install the appliance in locations
where it can be overseen by trained
personnel.
4. For good ventilation, keep a distance of
7 inches, between unit and walls or
other objects. Increase the distance if the
obstacles are a heating source. When the
dispenser is in place, adjust the legs in order
to keep it level. (FIG.1)
Assembling
1. Remove the cover from the tank.
2. Hang the waste liquid container to hanging
holes on front panel.
3. Insert the taps (with gasket) to the tank and
through the tap lever
Electrical connection
Before inserting the plug into the electrical
socket, carefully read the following precautions:
1. Make sure that the machine is properly
FRQQHFWHGWRDQHI¿FLHQWJURXQGLQJV\VWHP
in compliance with current safety standards.
2. Make sure that the voltage is in accordance
with what indicated on the “serial number“
label applied on the chassis.
7KHFXUUHQWDYDLODEOHLVVXI¿FLHQWIRUWKH
maximum required by the machine.
4. If necessary, use only approved multiple
outlets, in compliance with current safety
standards.
If in doubt, consult only specialized technicians.
By law, the machine must always be
grounded.
Fig. 1

User Manual
Operating Instructions
WWW.AvantcoEquipment.com 6
How To Use:
Before using, the tanks and taps of the
appliance should be cleaned carefully
Filling
To ensure correct usage of the machine ensure
that the liquid level of the tank does not go
below 3-4 Qt (please use the level lines on the
tank for reference).
1. Mix product in a separate container (FIG. 2).
2. Make sure to unplug the appliance before
¿OOLQJXSWKHFRQWDLQHU
'RQRW¿OOWKHFRQWDLQHUZLWKKRWSURGXFW
4. Do not let liquid level exceed the “MAX” level
line (FIG. 3).
Beverage Temperature Adjustment (FIG.5)
To adjust the temperature of each individual bowl,
lift up the plastic cover on left side of
the unit. Bowl 1 is on the left hand side of the unit
when looking from the front.
1. Turn on the main switch on the right hand of the
unit. The main power light (A) will now
indicate on the digital control.
2. To set the temperature of bowl no.1
press the button marked 1 twice. The indicator
lamp under bowl 1 at the top of the display will now
LOOXPLQDWHDQGWKHFXUUHQWVHWWHPSHUDWXUHZLOOÀDVK
Adjust the arrow keys to set the desired temperature
and then press “set”. The temperature range may
be set between 32°F and 50°F.
The control temperature for bowl 1 is now set.
Repeat the process using the buttons marked 2
and 3 to set the temperature of the remaining
bowls.
3. When in operation the unit will automatically
display the actual temperature of each bowl for 2
seconds as indicated by the lamp beneath the bowl
symbols.
Fig. 5
A

User Manual
Cleaning and Maintenance
WWW.AvantcoEquipment.com 7
Observe the ambient temperature
The appliance is suitable for an ambient temperature ranging between 16°C - 32°C.
Cleaning
For health standard and good quality of beverages, clean tanks, lids and the mixing paddles / pumps
as often as possible.
Caution: Do not clean the appliance by water jet.
%HIRUHFDUU\LQJRXWFOHDQLQJDQGUH¿OOLQJUHPRYHWKHSRZHUSOXJ
'RQRWXVHDEUDVLYHSRZGHUVWKDWPLJKWLPSDLUWKHWDQNVDQGOLG¶VSROLVKHGJORVV\¿QLVK
3. Use neutral soap and a little warm water to wash container, lid, mixing paddles/pump, refrigerator
tank and tap. Rinse carefully with water in order to remove any soap residue.
7RPDLQWDLQDKLJKVWDQGDUGRIÀDYRUOHDYHWKHGLVSHQVHUWXUQHGRQQLJKWDQGGD\LQRUGHUWRDYRLG
deposits forming.
5. Pour out the waste water in waste liquid reservoir and clean it as often as possible.
Caution:
Do not use any organic solvents (petrol, alcohol, etc.) for cleaning the appliance. The case of the
appliance may be damaged and explosive vapours may develop. Do not use any sharp edged
objects for cleaning.
The appliance may be cleaned with a damp towel, but may never be immersed in water.
After cleaning the appliance make sure that it will be dried completely.
Beverage Temperature Adjustment (FIG.5)
4. The motor and stirrer for each bowl can be operated
independently using the relevant switch on the right hand
side of the unit.
5. To switch off the cooling to a selected bowl, press the
relevant bowl number on the control panel for 3 seconds.
The letters “OFF” will display for the bowl number selected.
To turn on the cooling press and hold for 3 seconds.

User Manual
Cleaning and Maintenance
WWW.AvantcoEquipment.com 8
Disassembling and Assembling the tanks:
To disassemble and assemble the tanks or to
change the rubber tank gaskets :
1. Disconnect the unit by removing the plug.
2. Remove the cover from the tank.
3. Remove the mixing paddle from its shaft. For
the pump disassembling follow the instructions
reported on the diagram (Fig.6).
4. Lift container with both hands by a light,
VZLQJLQJPRWLRQ,IWKHUHLVGLI¿FXOW\SOHDVH
wet the cooling column and gasket.
5. To remove tap, lift it from its setting.
6. Change the gaskets for tanks and taps only
with the genuine gaskets that are supplied by
an authorised supplier.
To reassemble the unit, repeat the above
operations in reverse.
Fig. 6

User Manual
WWW.AvantcoEquipment.com 9
Wiring diagram
c Compressor
C Condenser
F Filter
Bc Boiler
E1 Evaporator
E2 Evaporator
E3 Evaporator
D Distributor
Ca Capillary coils
1 High Pressure Side
2 Liquid Line
3 Low Pressure Side
YV1 Solenoid valve
YV2 Solenoid valve
YV3 Solenoid valve
Item Description
NTC1
NTC2
NTC3
wx
YV1
YV2
YV3
N
L
120V / 60Hz
LEGEND DESCRIPTION
SH1 POWER SWITCH
SH2 / SH3 / SH4 MOTOR SWITCH
M3 / M4 / M5 PUMP MOTOR
WX TEMPERA
NTC1 /NTC2 / NTC3 BOWL TEMPERA
M1 COMPRESSOR
YV1 / YV2 VALVE
FA OVERLOAD PROTECTOR
M2 CONDENSER FAN MOTOR
3 BOWL JUICER
/ YV3 SOLENOID VALVE
PLEASE NOTE:
Switch SH4, Solenoid valve YV3, Probe NTC3
are only used on RBD-33 3 Bowl model
NTC1 NTC2 NTC3
YV1 YV2 YV3
SCHEMATIC: 3 BOWL VERSION SHOWN.
LEGEND DESCRIPTION
SH1 POWER SWITCH
SH2 / SH3 / SH4 MOTOR SWITCH
M3 / M4 / M5 PUMP MOTOR
WX TEMPERATURE DISPLAY
NTC1 /NTC2 / NTC3 BOWL TEMPERATURE SENSOR
M1 COMPRESSOR
YV1 / YV2 VALVE
FA OVERLOAD PROTECTOR
M2 CONDENSER FAN MOTOR
/ YV3 SOLENOID VALVE
PLEASE NOTE:
Switch SH4, Solenoid valve YV3, Probe NTC3
are only used on RDM-33 3 Bowl model
T1 TRANSFORMER

User Manual
Troubleshooting
WWW.AvantcoEquipment.com 10
Symptom
Possible reasons
Solution
Remark
No power to
machine
Plug is not in.
Insert plug into mains socket
Main switch is not on the “I”
position.
Switch main switch to “I” position.

Power cord is broken.

Replace power cord
Ask for
authorized
service
department
to check and
repair it.
Main switch is broken.
Replace main switch
Machine is
not cooling

Compressor does not start

See “compressor does not start”
section.
Gas leak into the cooling
circuit.
Find leak, filter it out and re-charge
the cooling circuit
Condenser is clogged.
Clean the condenser

Fan motor is burnt.

Replace fan motor
Lack of air flow
Increase distance between the
machine and other obstacles /
heating sources
Compressor
does not
start
Main switch is broken
Replace main switch
Ask for
authorized
service
department
to check and
repair it.

Compressor protector is
broken.

Replace compressor protector

Compressor relay is broken

Replace compressor relay

Compressor motor is broken

Replace motor
One tank is
not cooling
Gas leak into the cooling
circuit
Find leak, filter it out and re-charge
the cooling circuit
Condenser is clogged
Clean the condenser
Lack of air flow
Increase distance between the
machine and other obstacles /
heating sources

Tube of the cooling circuit is
clogged.

Cut the tube, eliminate clog,
re-charge the cooling circuit
Filter is clogged
Replace the filter
The mixing
paddles are
not working

The mixing motor is broken

Replace the mixing motor


 
Trouble Possible causes Solution