Diamond GGN-1 User manual

Mod: GGN-1
Production code: TMG10S
02/2017

MANUALE DI MANUTENZIONE
SERVICE MANUAL • MANUEL D’ENTRETIEN
WARTUNGSHANDBUCH • MANUAL DE MANTENIMIENTO
PARETE VINO

PROBLEM SOLUTION GUIDE
Problem Potential cause Solution
The unit display does not turn on
The unit is disconnected Check the connection to wall socket
Check the power on the socket
General switch deactivated Turn on main switch under the unit display
Fautly thermoregulator Replace the thermoregulator (G)
The unit display does not cool enough
The Ambient temperature is too high Excise cause
The doors get frequently opened Excise cause
The doors are not completely well closed Pay attention closing the shuttersto the frame
The lateral grids are obstructed Leave 10cm gap on the right and left side of the external units of the assembly
The temperature controller isn’t set in correctly Check the set point of the temperature controller
The Energy Saving is active Deactivate Energy Saving from the temperature controller
The condesator fan is broken Replace condesator fan (L)
Lack of gas in the cooling system Check level of gas and type
Cooling system broken Replace completely the wiring or a part of it (M)
The top side isn’t cold The inner fans are switched o Activate inner fans switch on the temperature controller
The inner fans are broken Replace inner fans (I)
Mist appears on the doors The ambient humidity is very high Excise cause or switch onthe anti-fog device (optional)
The inside temperature is too low Turn up the unit display temperature
Doors don’t close properly The unit display isn’t on an even surface Level the unit display on a straight surfaceadjustingthe pins
None of the led light are turning on
The switch on the temperature controller is o Activate the light switch
A cable has disconnected from the wiring Check the wiring
The power supply is broken Replace the power supply
The RGB controller is broken Replace the RGB receptor (F)
Part or one strip of led lightsis not turning on The led strip is broken Repace the broken led strip (E)
The maintenance and repair must be performed by qualied personnel only. Before any operation unplug the unit.
A. OPENING THE TECHNICAL BASIN
B. EXTRACTION / REPLACEMENT DOORS
A2. Move towards left 3rowsof rods
or unscrew them ( Depends on
the model)
A3. Remove the alluminium panel A4. Remove the lids underneath
unscrewingthe screws
A1. Extract the plastic clipfrom
the right hand side on the
alluminium rods
B1. Unscrew the upper hinge on the
top of the unit
B2. Pull the door outward B3. Lift the door to realease from
the lower hinge
ENGLISH

C. REFRIGERATING UNIT EXTRACTION (OPERATIONS ON POINTS A - B TO BE ACCOMPLISHED FIRST)
C1. Move all the alluminium rods
towards left or unscrew them
(depends on the model)
C2. Unscrew all the bolts and
remove central alluminium
pannel right side
C3. After removing all the
plastic clips extract all the
alluminium rods from the right
compartment of the unit display
C4. Unscrew the screws holding
the alluminium trayfor the
condensation drip.
C5. Extract the alluminium tray C6. Unscrew the screws holding it
and extract thecooling unit
D. POWER SUPPLY REPLACEMENT (OPERATION A TO B ACCOMPLISHED FIRST)
D1. Extract the defective power
supply (secured on the tank’s
innerlining)
D2. Disconnect the power supply
from the wiring
D3. Connect the new power supply
as above
E. LEDS REPLACEMENT (OPERATION ON POINT A TO BE ACCOMPLISHED FIRST)
RGB LED LIGHTS
E1. Loosen terminal screws to
connect the LEDS from the
controller
E2. Extract the broken LED strips
from the guide, using a
screwdriver
E3. Insert the new LED strips in the
aluminium proles and extract
the 4 cables from the holes in
the basin
E4. Connect the new LEDS to the
receptor cable as they were
before matching the colors
ENGLISH
BROWN ➡PHASE ( L )
BLUE ➡NEUTRAL ( N )
YELLOW-GREEN ➡
BLACK ➡12 V - ( - V )
RED ➡12 V + ( + V )

F. RGB RECEPTOR REPLACEMENT (OPERATIONS ON POINT A ARE TO BE ACCOMPLISHED FIRST)
INFRARED RECEPTOR
RADIO RECEPTOR
G. THERMOREGULATOR REPLACEMENT
G1. Extract the metal
coverunfasteningthe lateral
spring (use a small at
screwdriver)
G2. Unscrew , extract the
thermoregulator and
disconnect the cables
G3. Connect the cables to the new
thermoregulator in the same
positions orrefer towiring table
G4. Install the new thermoregulator
and apply the cover lid xing
one spring at a time
WHITE LEDS
E5. Disconnect the broken LED
strips from the power supply
E6. Extract the broken LED strips
from the guide, operating with
a screwdriver
E7. Insert the new LED strips in the
aluminium proles and extract
the 4 cables from the holes in
the basin
E8. Reconnect to the power supply
matching the polarity
F1. Unscrew the screws holding the
receptor to the tank
F2. Disconnect thepower supply,
the leds connector andextract
the infrared receiver from
thespecic hole
F3. Reposition the new receptor
and connect the power supply
and the LEDS
F4. Disconnect the power supply
wires and the leds connector
F5. Repositionthe new receptor
and reconnect
ENGLISH

H. PROBE REPLACEMENT (OPERATIONS ON POINT A ARE TO BE ACCOMPLISHED FIRST)
H1. After extracting the
thermoregulator disconnect the
probe from the terminal
H2. Unscrew the protection carter
of the probe ( unit display’s left
compartment) and disconnect
H3. Fasten the probe and
carterpassing along the lead
from the suitable hole on the
bottom crossbeam
H4. Reconnect the probe to the
thermoregulator
I. FAN REPLACEMENT
L. CONDENSATOR FAN REPLACEMENT (OPERATIONS ON POINT A ARE TO BE ACCOMPLISHED FIRST)
I1. Unscrew the fans carter and
extract
I2. Disconnect the electric cables
and unscrew the carter fans
I3. Reconnect the fans, tighten
them andreassemble the carter
M. CONDENSATOR REPLACEMENT / COMPRESSOR / COOLING COIL
(OPERATIONS ON POINT A - B ARE TO BE ACCOMPLISHED FIRST)
After extracting the unit display cooling system , retrieve the
refrigerating gas following the legislation in force.
Proceed to the compressor/condensator replacementcarefully replacing
the dehydrating lter.
Once the refrigerating circuit in reconnected test the tightness of
thecooling system. Empty the circuit using a vacuum pump, at this stage
reload the cooling system using the same type of refrigerating gas and
the same amountrecommendedon the plate placed on the external
metallic tank.
The following documents are available on the internet website www.exposrl.com
Document Type Browser link File Name
Exploded view www.exposrl.com >> technical area >> Spare parts and exploded views P#AR1#
P#R2#
Wiring diagram www.exposrl.com >> technical area >> electric wiring PV-CV (SE)
PC-S-G (SE)
Usernstruction Manual www.exposrl.com >> technical area >> user instructions PCV (MI)
L1. Unscrew thespecic screw
placed on the fan protection
grid
L2. Extract the fan rotating it
counterclockwise
L3. Assemble the new fan,screw
back and reconnect to the
electrical wiring
ENGLISH