Samson 430 Series, Mounting And Operating Instructions

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44 EB 7030 EN
Conversion
9.2 Exchanging the transmitter
module
The Type 3435 and Type 3436 Transmitter
Modules are fastened to the Type 3432 Con
-
troller Station using six screws.
Two silicone hoses are used to connect the
supply air Z and the controlled variable x.
The transmitter module can be replaced if the
measuring unit is defective or to change the
measuring range.
Contact SAMSON to order the new module
specifying the sensor version and required
measuring range. Also specify the data writ
-
ten on the nameplate of the old transmitter
module.
1. Unscrew the front plant underneath the
display. Detach the wiring in modules
with electric additional units.
2. Pull the hoses for controlled variable x
and supply air Z off the connecting plate
of the housing.
3. Loosen the six fastening screws on the
bottom of the controller station and lift off
the transmitter module.
4. Mount the new transmitter in reverse or -
der.
Do not confuse the hoses at x and Z on con -
necting the hoses.
The supply air hose is fitted with a grommet
(order no. 1590-6410) with restriction and
filter.
Controlled variable
Hose grommet
Supply air Z
Fig. 24: Connecting plate
9.3 Checking the controller
function
To check the controller, the controlled vari -
able x and the output y must be bypassed at
ports x and y on the controller station.
Perform the following settings:
Î
Turnboard A to increasing/decreasing
> <
Î
Fully open Tn restriction (0.03 min)
Î
Fully close Tv restriction (0.01 min)
Î
Turn the set point adjuster to change the
set point through its whole range.
The controlled variable pointer (red) and
the output reading (small dial) follow the
set point over the whole range when the
controller functions properly.