TAC AB, Feb 2000
2:4
General
TAC 200 User’s Manual
There are two types of on/off control (selected by the DIP-switch settings, see
2.4).
On/off in two steps: Step 1 Step 2
Stage 1 ••
Stage 2 •
On/off in three steps: Step 1 Step 2 Step 3
Stage 1 ••
Stage 2 ••
Connections on the terminal unit.
TAC 200 has six knock-out holes for cable entries:
– 2 knock-outs in the rear part for conduit fitting Pr 18.6 (Pg 11)
– 2 knock-outs (for cables with rubber bushings) on the upper side of
the case
– 2 knock-outs (for cables with rubber bushings) on the lower side of
the case
High voltage cables must be kept well separated from the low voltage
cables.
Connections (also any connections of 24 V to the actuators) must be
performed according to the high voltage regulations.
1 230 V/L Supply voltage, live
2 230V/N Supply voltage, neutral
3 PE Protective earth
4 KC1 Voltage supply, relay K1 and K2
5 K1 Relay K1: increase / stage 1
6 K2 Relay K2: decrease / stage 2
7 KC2 Voltage supply, relay K3 and K4
8 K3 Relay K3: pump
9 K4 Relay K4: universal, time program 2, output
10 M Signal earth (Measuring ground)
11 B1 Supply temperature sensor, EGWS/EGA
12 B2 Outdoor sensor, EGU
13 B3 Room sensor EGRL or EGF1
(wire 1 or 2; the other, 2 or 1, to M)
14 M Signal earth
15 X1 Forced day time operation (short-circuited to M)
16 X2 Forced night time operation (short-circuited to M)
17 X3 Digital input, pulse counter
18 M Signal earth
Cable length
Up to 200 m, area 0.5 mm
2
to B1-B3 and X1-X3.
Up to 100 m, area 1.5 mm
2
to other terminals.
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