Mounting; Opening And Closing The Housing - ABB TTF300 Operating Instruction

28 TTF300 FIELD-MOUNT TEMPERATURE TRANSMITTER | OI/TTF300-EN REV. I
... 7 Installation

Mounting

1
2
1 Wall / Pipe
2 Bracket
Figure 17: Installation variants
CAUTION
Risk of injury!
There is a risk of injury if the transmitter falls out due to
improper mounting.
• Make sure that transmitter is securely fastened.
Wall mounting:
Fasten the wall bracket to the wall using 4 screws (Ø 10 mm)
Pipe mounting:
Attach the pipe mount to the pipe using 2 pipe clamps
(Ø 10 mm). The pipe mount can be fastened to a pipe with a
maximum diameter of 62 mm (2.4 in)
1
3
2
4
3 Transmitter
4 Locking screw

Opening and closing the housing

DANGER
Danger of explosion if the device is operated with the
transmitter housing or terminal box open!
While using the device in potentially explosive atmospheres
before opening the transmitter housing or the terminal box,
note the following points:
• A valid fire permit must be present.
• Make sure that no flammable or hazardous atmospheres
A10268
are present.
Figure 18: Cover lock (example)
To open the housing, release the cover lock by screwing in the
Allen screw 1 .
After closing the housing, lock the housing cover by unscrewing
the Allen screw 1
NOTICE
Potential adverse effect on the IP rating
• Check the O-ring gasket for damage and replace it if
necessary before closing the housing cover.
• Check that the O-ring gasket is properly seated when
closing the housing cover.
.