Rittal SK 3378.200, Assembly And Operating Instructions Manual

Page: 17 / 32

Rittal air/water heat exchanger 17
6 Operation
EN
Fig. 18: Connection example: Master-slave operation
Key
1 Serial interface
2 Serial interface cable
3 Master-slave bus cable (Model No. 3124.100)
RTT Rittal TopTherm air/water heat exchanger
X1
Supply connection/Door limit switch/Alarms
X2 Master-slave connection Sub-D, 9-pole
X3 Serial interface Sub-D, 9-pole
St. Sub-D connector, 9-pole
Bu. Sub-D jack, 9-pole
Adr. Address
Fig. 19: Connection example: Door limit switch and master-slave operation
Key
1 Master air/water heat exchanger
2 Slave air/water heat exchanger
3 2-door enclosure with two door limit switches
4 Enclosure with door limit switch
CMC
RTT
Master Adr.: 09 Adr.: 11
X1
X2
X2 X3
X3
X1
X2
X2 X2 X2 X2
X2
X3
X1
X2
X2
X3
X1
X2
X2
X2
X3
St. St. St. Bu.
St. Bu.
RTT
Slave Adr.: 12 RTT
Slave Adr.: 19 RTT
Slave
St. Bu.
St.
Bu.
3
2
1
X10
L1
L2
N
PE 1 2 3 4 5
1
X10 X10 X10 X10 X10
X2 X2 X2 X2 X2 X2
X2
L1 PE 1 2 3 4 5 L1 L2
N
PE 1 2 3 4 5
L2 L3 L1
PE 1 2 3 4 5
L2 L3 L1 PE 1 2 3 4 5 L2 L3 L1 PE 1 2 3 4 5 L2 L3
L1
L2 N
PE
1
23
4
5
X10
2 3 4 5 6
1
Adr.: 06 Adr.: 11 Adr.: 12 Adr.: 13 Adr.: 14 Adr.: 15
2 2 2 2 2
3 4 4 3 2
Adr.: 16