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Model GGH2O
®
NOTE
If the GGH2O is being used with the Melink Intelli-
Hood system, there will be two keypads. The Melink
Keypad will control the fans and lights. The GGH2O
Keypad will control the wash system.
NOTE
For information on PLC programming, please
consult the factory.
NOTE
If the GGH2O is being used with the Vari-Flow Air
Management system, there will be an additional
FAN 100% button for sending fan speeds to 100%.
For detailed information on the Vari-Flow Air
Management system, please refer to the Greenheck
website, www.greenheck.com
Graphic Keypad
The graphic keypad is the interface between the
control functions of the GGH2O hood and the user.
This keypad is typically mounted on the Grease
Grabber H
2
O control cabinet, but can also be shipped
loose for remote mounting. The keypad consists
of three main buttons: hood lights, fan on/off and
clean hood. The keypad also has system fault and fill
detergent indicator lights to alert of any fault in the
system or when the detergent tank is low.
GGH2O Keypad
CLEAN
HOOD
472619
SYSTEM
FAULT
FILL
DETERGENT
After pressing “CLEAN HOOD”, Fans will automatically stop.
In case of emergency, the wash cycle can be stopped by pressing “CLEAN HOOD”.
HOOD
LIGHTS
FAN
ON/OFF
GGH2O and Vari-Flow Keypad
SYSTEM
FAULT
FILL
DETERGENT
After pressing “CLEAN HOOD”, Fans will automatically stop.
472620
In case of emergency, the wash cycle can be stopped by pressing “CLEAN HOOD”.
CLEAN
HOOD
HOOD
LIGHTS
FAN
ON/OFF
FAN
100%
SYSTEM
FAULT
FILL
DETERGENT
After pressing “CLEAN HOOD”, Fans will automatically stop.
In case of emergency, the wash cycle can be stopped by pressing “CLEAN HOOD”.
CLEAN
HOOD
GGH2O and Melink® Intelli-Hood® Keypad
SETUP
%
100%
Listed 33 x 7
LUCES
VENTILADORES
FANS
LIGHTS
CLEAN
FAULT
RESET
HOOD
Melink Customer Service USA: 877-477-4190
System Components
Hood
The hood is shipped from the factory pre-piped and
ready to install. All wash components within the hood
are complete and ready for connection to hot water,
sanitary sewer drain and the electrical sources. Wiring
from the control panel to the hood (for lights) is by
Greenheck. All plumbing and wiring must conform to
plumbing and electrical codes. Duct collars are factory
mounted unless specified otherwise.
Grease Grabber H
2
O Control Cabinet
The control cabinet contains all of the water and
electrical components, and connections including
the Programmable Logic Controller (PLC), that
controls the wash sequencing and operations. The
control cabinet also includes the detergent reservoir,
detergent pump, recirculation pump, solenoid valves
and other water piping.
NOTE
The recirculation pump is shipped loose with the
hood. See pages 16 for installation details.
NOTE
Filters are shipped loose with the hood and installed
in the field. See page 25 for installation details.