Thermo Technologies USDT 3002 - Manual (Page 6)

USDT 3002
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1
3
2
backwards forward
SET
(selection / adjustment mode)
The system monitoring display consists of 3 blocks: indica-
tion of the channel, tool bar and system screen (active
system scheme).
The indication channel consists of two lines. The upper
line is an alphanumeric 16-segment indication. This displays
the channel names / menu items. In the lower 7-segment
indication, the channel values and the adjustment parameter
are indicated.
Temperatures and temperature differences are indicated
in or .
2.2.1 Channel indication
only channel indication
2.2.2 Tool bar
The additional symbols of the tool bar indicate the current
system status.
only tool bar
2. Operation
2.1 Pushbuttons for adjustment
The controller is operated by the 3 buttons below the
display.
The forward-key (1) is used for scrolling forward
through the indication menu or to increase the adjustment
values. The backwards-key (2) is accordingly used for the
reverse function.
Select a channel channel using the forward/back keys (1
and 2). Briefly press the center key, so that „SEt“ flashes
Adjust the value using the foward/back keys
then briefly press the center key, so that „SEt“
permanently appearsThe adjusted value is now saved.
Additional channels (i.e. manual operation of pump,
activation of 2nd relay, cooling etc.) become available by
holding down the forward key (1) for two seconds
2.2 System monitoring display
!



Complete Monitoring-Display
Symbol standard flashing
relay 1 active
relay 2 active
maximum tank temperature
active / maximum tank
temperature exceeded
collector cooling function or
reccoling function active
antifreeze- function activated
collector minimum limitation
or antifreeze function active
collector security shutdown or
tank securtiy shutdown active
+
sensor defect
+
manual operation active
an adjustment channel is
changed SET-mode