Danfoss DSA1 MINI Installation Manual page 12

Danfoss District Energy
9.1.2 Danfoss Controller OPR 0020 Wiring diagram
Pump 1 Heating
circuit 1 or boiler 2
Motor 1 Mix Heating
A = Off
Z = On
Pump 2 heating
circuit 2
Motor 2 Mix Heating
A = Off
Z = On
Pump 3 Heating
circuit 3
Motor 3 Mix Heating
A = Off
Z = On
Pump 4 heating circuit 4
or boilerpump boiler 1
Motor 3 Mix Heating
ZU = ON; Domestic hot water pump
Boiler 1 for chargingmodule
AUF = Off,
Glass tube fuse 3.15A
Supply heat meter 230VAC
(Is NOT powered via the glass fuse)
Mains 230VAC
PE = Protecting earth
N = Null
L = phase
OPR 0020 Factory-setting:
Circuit 1: Heating circuit, radiators or high temperatures (fans)
Circuit 2: Mixing circuit for radiators
Circuit 3: Mixing circuit for under floor heating
Circuit 4: Boiler
12 DEN-SMT/PL
DSA 1 MINI -
K3
K4
K5
K6
K7
K8
K9
K10
XL2
F4
K1
K2
Nopro Cemote control
Jumper
Adress
3 1
4 2
Use Jumpers to address heating circuit
(Visible on circuit board)
Note:
Do not connect temperature sensors to other connectors than the intended.
Use only PT 1000 temperature sensors. Use only shielded wires for the communication
cabels. Ensure correct polarity + and - for the display and remote control.
Do not connect other secondary modules than Nopro modules
VM.HE.B2.02
Wiring diagram
Connection for
Communication
LON, TCP/IP or GPRS
XL1
XL4
Lon-service
Lon-reset
BAT1
Controller reset
XL19
XL3
Seriel connector
TR1
Nopro expansion
module
4-20mA
0-10V
Reserve
GND
Controller
B02 +
Controller
B02 -
XL1
AB LonBus IN
AB LonBus OUT
K3
FB; Remote control - 2pole shielded
K3
(max. 4 pc)
DISP; Display (max 2 pc/on FB)
K3
MB; Mbus - Heat meter (2pole shielded)
K3
AT; Outdoor temperature sensor
K3
RL; Return temperature sensor
K3
VL1; Secondary Supply temperature
K3
sensor
VL2; Supply temperature sensor 2.
K3
circuit
VL3; Supply temperature sensor 3.
K3
circuit
BO1; Boiler sensor Boiler 1 top, or
K3
supply temp. circuit 4
BO2; Boiler sensor Boiler 2 bottom,
K3
or potintial free relay
PE; Pe for cable shield
K3
OK4
Ok; OUT open collector output
K3
OK3
12V
OK2
Ok; OUT open collector output
K3
OK1
12V
4-20mA
0-10V jumper
Danfoss District Energy