t.a.c. Satchwell Climatronic CSC5352 User Manual

4.5.1. Entering and Exiting The Fine Tune Mode
The Fine Tune Mode is used by Commissioning Engineers and the more advanced
users to set the Fine Tune parameters.
The overlay card must be placed on the CSC to use the Fine Tune mode.
1. Press and hold the button and then the button, keeping both buttons
pressed down until “SEC” appears on the display. This means that mode
selection has been accessed.
2. Press the ‘tuning’ button three times. The display will show “CARD 1” and
all the arrows will flash simultaneously on the screen to show that the Fine Tune
Mode is being entered. Place the overlay card on the display. The overlay card
has a different set of symbols for the arrows to point to. Press the ‘enter’
button.
3. The display will show a flashing arrow pointing towards the tuning graphic
on the left side of the display.
4. Parameters are set in the same way as in Quick Set Mode.
5. To exit Fine Tune Mode at any time press the ‘tuning key’ button. If no
keys are pressed within a period of 30 seconds then the product will return to the
Review mode.
The user parameters that can be viewed and/or adjusted in the Fine Tune Mode are:
Symbol Description Used In Default Range
Tuning Key
Indicates that you are in Fine Tune
Mode if the arrow is flashing.
Fine Tune
Mode
––
IA Set Integral Time
Usually how long the actuator will
take to run from fully closed to fully
open given a continuous demand
signal.
Fine Tune
Mode
120 0 to 999
PB
Controller Tuning (°C)
Used to tune the controller to the
control system.
Fine Tune
Mode
50 0 to 255
Select NSB action. (CSC 5352 only)
Setting this to 0 allows the CSC clock
to switch plant off at night or a setting
of 1 allows control to the night set
back values as will the external NSB
contact. The plant will be overridden
in the event of Frost or ECO. Setting
this to 2 allows the CSC to control to
NSB during the 1st off period but turn
off during the 2nd off period.
Fine Tune
Mode
1 0 = Plant Off
1 = Control
to NSB
2 = NSB
then Off
CSC USER GUIDE October, 03
27 of 42

t.a.c. Satchwell Climatronic CSC5352 Specifications

General

Brand	t.a.c.
Model	Satchwell Climatronic CSC5352
Category	Thermostat
Language	English