User Guide
10
Operation Instructions
Setup Instructions
System overview
The GX™ 850 can handle up to 2 independent areas, in any of the following
combinations:
• Single roof system
(1 system, 1-4 roof sensors)
• Single ground system
(1 system, 1-4 roof sensors)
• 1 ground system and 1 roof system (combi system)
(2 systems, 2-4 sensors total, minimum 1 sensor per system)
• 2 roof systems (dual system)
(2 systems, 2-4 sensors total, minimum 1 sensor per system)
• 2 ground systems (dual system)
(2 systems, 2-4 sensors total, minimum 1 sensor per system)
Zone A is used for single system. When two zones are utilized, Zone A is always the
priority.
A typical ice and snow melting system consists of:
• GX™ 850
•
Only 1 GX™ 850 is allowed on the Devibus™
• Power supply
•
More power supplies can be connected in parallel (if needed)
•
Be aware of maximum number of sensors on each power supply
(Refer to Technical Specifi cation for power demand of sensors)
• Ground and/or roof sensor(s)
•
Be aware of maximum number and cable length of sensors on each power supply
(Refer to sensor manual for a more detailed description)
Setup Instructions Appendix
23
Appendix
A: Menu system
Main menu
System
B
System
A
A:Roof˜
ÚStandby
B:Ground¯ˆı
ÚMelting
Selectsystem A:
Roof
Selectsystem B:
Ground
Viewalarm
menu
5s
A:Roof˜
B:Ground¯ˆı
5s
Viewandset
operatingmode
Viewsensor
measurements
Viewandset
operatingmode
Viewsensor
measurements
Only visible when System B is installed!
System menu
Viewandset
operatingmode
Viewsensor
measurements
Viewsystem
parameters
Currentmode:
Automatic
Selectmode:
Automatic
Selectmode:
ConstantOFF
Selectmode:
ConstantON
Leavethismenu:
PressÛ
Installer
site
Proceed?
ÛÛÛYesΩNo
Installer menu
Leavethismenu:
PressÛ
View sensor measurements
View system parameters
System menu (A / B)
Return to main
Appendix A