Compound and condenser controller with operating modes for compressors with FC
DCC-BL_V1.1.0_PI_2019-04_EN 3
Subject to technical modifications
DCC-BL
Software revision and validity of documentation
Any software versions not listed are special solutions for individual projects and are not described in detail in this
document. This document automatically ceases to be valid if a new technical description is issued.
Manufacturer: Wurm GmbH & Co. KG Elektronische Systeme, Morsbachtalstraße 30, D-42857 Remscheid
You can find more information on our website at www.wurm.de
.
1.4 Connection diagram
Fig. 2: DCC-BL connection diagram
Software version
V1.1.0 – 2019-04 Documentation status
Pos. Designation Function
1 C-BUS interface Data communication (H = CAN high, S = shield, L = CAN low)
2 Service socket For connecting a CAN USB adapter
3 ADSP No function yet
4 Output relays K1...K4
Compressor connection, depending on operating mode, potential-free
contact, 230V~, 4(2)A
5 Power supply L 230V~/50Hz
6 X-tra interface No function yet
7 Power supply for N Neutral conductor
8 Digital inputs
Inputs for potential-free contacts: setpoint increase (ΔT
0
|ΔT
C
), fast
return (FR), peak load shedding (I and II)
9 Analogue output Uout2 Fan control (direct or through ADC module)
10 Pressure sensors Suction pressure and condensation pressure (DAR7...120)
11 Analogue output Uout1 Constant compressor connection
12 Sensor input S2 or 0...10V
input
Suction gas temperature sensor (TRK277) or output control in the
voltage control operating mode
13 Sensor input S1 Outside temperature sensor (TRK277)
1
4
7
9
5
8
10
2
GND
Uout1
GND
P
0
P
c
I
U+
Uin
S1
22
23
24
25 26
27
28 29
21
38
37 36 35 34 33 32 31
39
4
3
21
22
23
24
25 26
27
28 29
21
38
37 36 35 34 33 32 31
39
DCC-BL
Frigoentry Blueline
2sec.
74451213
d
c
GND
FR
N
ΔT T
0 C
Δ
L
K1
K2
K3
K4
Service
ADSP
H
0V
S
L
18 19
17161514131211
Uout2
GND
II
U+
S2
11
1213
6
3
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