Global-Tek GT-CR1/BU Instruction & Installation Manual
Global-Tek (Singapore) Pte Ltd
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Single-Tank Conveyor Type
Dish Washing Machine
Model - GT-CR1/BU
Instruction & Installation Manual
Global-Tek (Singapore) Pte Ltd
Page
2
CONTENTS
GENERAL……………………………..…………….. 3
Technical Data..…………………….………….……..
3
Standard Equipment……..………………..…………
3-6
INSTALLATION……………………..……………….
7
Unpacking……………………………………………..
7
Assembly………..……………………………….……
7
Plumbing Connections……………..…………….….
7
Drain Connections………………………..…….……
7
Fill Connection……………………………..…..……..
8
ELECTRICAL CONNECTIONS…..…….………… 9-10
OPERATION………….………………………………
11
Preparation………………………………..………….
11
Operating The Machine………..……………………
11-12
CLEANING………….……………………………….
13
MAINTIANANCE……..….…………………………..
14
TROUBLESHOOTING……………………………...
15-17
CIRCUIT DIAGRAMS……………………………….
18-20
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Model : GT-CR-1/BU
GENERAL
GT-CR1/BU dishwasher is a fully automatic, rack-type single-tank conveyor
machine. It has a stainless tank and chamber with welded stainless steel angle frame,
stainless steel legs, and stainless steel adjustable feet. Front inspection door provide
ready access to the interior of the wash chambers. This machine has 4x9Kw
booster heater, and is available with either steam or electric heat supply.
TECHNICAL DATA
Dimensions (W x D x H) : 1150 mm x 695 mm x 1640 mm
Maximum Capacity (racks/hour) : 225
Max height for washing : 450 mm
Tank heat : 7.5 Kw
Total power supply (Kw) : 38 Kw
Water consumption/hour (L) : 450 L
Water consumption/rack (L) : 2 L
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STANDARD EQUIPMENT
The control panel and booster are mounted on the top of the chamber. There are
three operational control switches housed in the control panel : POWER
(ON -OFF ); MOTOR (START -STOP );and TIMER
(MANUAL -AUTO ).
Mechanical thermostat for wash is located outside the tank, rinse thermostats are
located inside the control panel. Suggested temperature range for wash is 55-65℃,
and final rinse is 82-95℃.
Motor and Pump Units
The 2 horse power wash pump and motor are centrifugal-type cast stainless steel
with stainless steel impeller.
Motor is available in the following voltages:
Volts Hz Phase
380 50 3
The conveyor motor is a 0.22 Kw gear motor with the same voltage as the wash
pump motor with built-in overloaded protection system.
Clutch/Rack Transport Protection
The conveyor motor transfers power to the rack transport system through the clutch.
When the machine is overloaded or the racks jam the clutch sends a signal to stop
the conveyor motor to protect the machine, rack transport mechanism and motor.
Heater Protection
A float switch located in the wash tank automatically turns off the heat supply if the
water level is too low. Once the water returns to a required level, the heating circuit
becomes operational if heat is demanded.
An over-heat protector is also provided for electric heat. If overheating occurred, the
heat supply will be turned off . Turn the POWER switch OFF and contact your
authorized service office.
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Booster Protection
The booster water temperature is regulated by the thermostats to keep the rinse water
temperature between 82-95℃. Thermostats are preset at the factory and no
adjustment is needed. If necessary, contact your local authorized service office.
WARNING: The breaker is preset to “OFF” at the factory. Do not turn on the
breaker until all the tanks and boosters filled with water by activating the machine
auto fill. Only turn the breaker on after all tanks are filled, otherwise, the booster
tank & its heating elements will be damaged !!
Rinse Booster
Boosterheaterisequippedwith4x9Kwheatingelements.
Wash/Auto-timerActuator and Rinse Actuator
Wash actuator, which is located at the entrance of the machine, works only when the
timer is turned to AUTO. When the rack enters into the machine, wash begins. When
timer is on MANUAL the switch does not function.
The rinse actuator is located at the exit of the machine. Rack contact with the rinse
actuator activates the final rinse.
Door Interlock
Door interlock switches will prevent machine operation while an inspection door is
open during machine is operating, the wash motor and conveyor motor will
automatically turn off. After the door is closed, the machine must be restart by
pushing the MOTOR switch to ON.
Wash/Rinse Arms
Wash and rinse arms are removable for daily cleaning purpose.
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Auto Fill
Close door and push the POWER switch to ON. The machine fills automatically
from two different areas, final rinse & fill valve. Water is heated in booster, and then
flows into wash tank. After the tank is filled with required level, fill will stop
automatically.
Auto Timer
The Auto Timer switch is located on the left hand side of the control box. Designed
to save electrical power, it is adjusted to shut off pump and drive motors and optional
exhaust vent fan control after the last rack exits the dishwasher. To restart, slide a
rack into the machine or push MOTOR switch to ON. To change the time setting,
contact your local authorized service office.
Front Panel
Stainless steel front panel conceals motors, pumps and plumbing.
Common Water Connection
A single water connection for Fill and Final Rinse is standard. Maximum feed
temperature to the machine is 65C with 15 - 20 psi incoming water pressure. Excess
water pressure or temperature will cause damage to booster heater tank.
INSTALLATION
UNPACKING
Immediately a fter unpacking the dishwasher, check it for possible shipping damage.
If this machine is found to be damaged after unpacking, save the packaging material
and contact the carrier within 3 days from date of delivery.
Prior to installation, verify that the electrical service agrees with the specifications
on the machine data plate, which refer to the operation and services manual
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