Evoqua WALLACE & TIERNAN GMS PLUS, Оригинальное руководство пользователя

Страница: 46 / 116

46
WT.050.455.000.DE.IM.0319
Installation
GMS
plus
5.
Opening the housing 1 Remove the housing cover of the GMS plus unit by pressing
gently on the two release buttons at the top of the housing.
2 Unscrew the six screws on the housing cover of the GMS plus
unit.
Attention!
The indicators and operator controls on the cover of the GMS plus
unit are connected to the housing by wires.
3 Carefully remove the housing cover of the GMS plus unit,
making sure that the cover is not connected to the ribbon
cable, unplugging the ribbon cable if necessary.
Connecting the gas monitoring
system GMS plus
Connect the GMS plus to the following:
• A separate and autonomous power supply (e. g. 24 V battery
supply, see 5.2.4 “Electrically install battery supply (optional)”
on page 46) or
• In the case of mains supply, a separate fuse protection
through which only the GMS plus will be supplied.
Connect system components to the GMS plus according to the
wiring diagrams.
1 Connect sensor cable, switch, valves and printer line to the
terminals in the bottom section of the housing.
2 Protect the mains supply and/or battery supply of the gas
monitoring system GMS
plus externally by fuse (max. 6 A).
5.2.4 Electrically install battery supply (optional)
A battery supply is available as an option for the 24 V GMS plus .
Power is switched from the mains to the battery without
interruption.
Please note
A power failure of at least 10 hours can be bridged with a charged
battery.
This ensures that the GMS
plus will continue to function.
Charging the battery The battery is automatically charged during mains operation.
The charging current is limited so that the battery can remain
continuously connected.
The battery supply is connected to the GMS
plus with an 8-pin
connector cable combination (length: 1.5 m).
Please note
See 9. “Wiring diagrams” on page 103.