42/23-51 EN Rev. 3
SCC-F Sample gas feed unit Operator’s manual
13
Installing the sample gas feed unit and sample gas cooler
side-by-side,
continued
Install the sample
gas feed unit and
sample gas cooler
side-by-side
(continued)
Step Action
Connect electrical leads:
13
Connect the signal, control and power supply leads.
SCC-F without I/O card: see instructions on page 15,
SCC-F with I/O card: see instructions on page 18.
Close casings of sample gas feed unit and sample gas cooler:
14
Replace and secure the sample gas cooler’s covering hood as well as
the sample gas feed unit’s left-hand casing panel and casing cover; in
the course of this operation, the cable lugs of the protective leads
should be pushed back onto the quick terminals. Close and secure the
front panels.
Take care not to squash any cables or hoses.
Installing the sample gas feed unit/sample gas cooler combination:
15
Two people are required to transport and install the feed/cooler
unit combination.
Fitting in a 19-inch cabinet/rack:
Unscrew the fixing brackets from the rear of the side panels and screw
them securely at the front of the side panels using the drill holes
provided for this purpose. Fit the feed/cooler unit combination to the
wall using 4 M6 screws (not supplied).
Fitting to a mounting plate:
Fit the feed/cooler unit combination using 4 M6 screws (not supplied).
The fixing brackets required for this purpose are screwed securely on
the rear of the side panels in the factory.
To enable the cooling air to pass unobstructed out of the sample
gas feed unit and sample gas cooler to the rear, the projection of
the fixing brackets of around 2.5 cm to the rear wall, which is set
up in the factory, must not be reduced.
Release the diaphragm pumps and compressor transportation restraints
16
Use a Ph2 crosshead screwdriver to loosen the two M6x25 screws in
the sample gas feed unit’s base plate.
Retain the screws in case the unit needs to be transported again
in the future.
17
Using a Ph2 crosshead screwdriver, turn the two screws counter-
clockwise through the sample gas cooler’s base plate up to the point at
which resistance can be felt.