Washtech GM Operator's Manual - Installation
Installation
WARNING
Installer must be suitably qualified and ensure compliance with all local codes and
standards including AS/NZS 3500.1.
Failure to comply even partially with installation instructions may void the
warranty.
Positioning
Unpack machine, check for damage and complete delivery. Install machine on
sound waterproof self-draining floor and use adjustable feet to level machine.
Adjacent surfaces should be heat resistant and moisture proof, especially benchtop
lower surfaces above undercounter machines. Allow room for detergent to one
side of machine or in adjacent cupboard. 20litre container requires about 450H x
250W x 350D, but smaller containers are available from many suppliers.
Hot Water Supply
Temperature
65°C ± 5°C
Pressure
200 KPa = 30 Psi.
Connection
20 mm (3/4” BSP) male
Flow rate minimum
20 litres per minute
Water consumption
2.6 litres per cycle approximately
Backflow prevention
DCV = Dual Check Valve supplied with machine
Pressure limiter may be required. Don’t use small diameter plastic supply lines.
FLUSH supply line before connection. Connect supplied DCV to water supply.
Poor quality supply or excessive water hardness may affect performance or damage
machine – filtration and/or softening is recommended.
Waste
Drain pump is fitted – refer installation diagram.
Power
Electrical supply required is 15A 240V 50Hz via switched outlet adjacent to
machine, which is supplied with cord set including 15A plug.
Detergent
Insert detergent pump inlet hose into container of commercial low foam detergent.
The detergent hoses will be primed during filling of the wash tank.
Detergent pump is set to operate for 12 seconds at the beginning of the wash
cycle. This time can be adjusted in User Settings of the keypad controller. Press
both Up and Down keys on the keypad for a few seconds to access the User
Setting menu and follow onscreen instructions.
Commercial detergents can be hazardous – read instructions and handle with care.
Rinse Aid
Insert injector inlet hose into rinse aid container. Check amount of fluid rising up
inside pipe during pulse at start of rinse cycle. Rotate Adjusting screw clockwise to
reduce flow and anticlockwise to increase flow.
Installation Checklist
Complete attached Installation Checklist to ensure machine is installed and
running correctly, and operator is familiar with operating procedures.
Troubleshooting
If machine doesn’t fill after switching on power, check and ensure that hot water
supply tap is open, water supply pressure is not below specification and Dual
Check Valve is correctly installed (arrows on the dual check valve’s body specify
water flow direction).
!