ROOM CONTROL UNIT
20 Inputs 24 Outputs
INSTALLATION MANUAL
MODEL: RCU-24R20Z
TIS CONTROL LIMITED
RM 1502-p9 Easey CommBldg
253-261 Hennessy Rd Wanchai
Hong Kong
TEXAS INTELLIGENT SYSTEM LLC
SUITE# 610. 860 NORTH DOROTHY DR
RICHARDSON
TX 75081.USA
Copyright © 2020 TIS, All Rights Reserved
TIS Logo is a Registered Trademark of Texas Intelligent System LLC in the
United States of America. This company takes TIS Control Ltd. in other
countries. All of the Specifications are subject to change without notice.
w w w . t i s c o n t r o l . c o m
INSTALLATION STEPS
Turn off the main electrical source before
installation.
1
WARNING! HIGH VOLTAGE
Mount the device on a DIN Rail inside an
approved enclosure. The device can also
be installed without the use of DIN Rail
by two mounting screw holes.
2
Connect RS485 data cable to the TIS-
BUS port as per the connection diagram.
No need to loop the TIS-bus cable if 2
DIN Rail modules are connected together
from the side bus train terminal.
3
To the TIS BUS Network
Cat5e
1
2
3
4
5
6
7
8
9
10
11
12
13
com
14
15
16
com
17
18
19
com
20
21
22
com
23
24
GND D-
D+ +24V
PRG
E1
E2
TIS-BUS
WARNING! HIGH VOLTAGE!
RCU-24R20Z
GND(white-orange)&(white-brown)
D-(white-green)&(white-blue)
D+(blue-green)
+24V(brown-orange)
Cat5e connection
Complete the load connection, light, floor
heating, and shutter, and FCU as per the
following steps:
LIGHTS / APPLIANCES /
FLOOR-HEATING CONNECTION
Connect the load electrical wires to
outputs 1-24. Each channel from 1-12
can control a maximum of 10A loads,
and each channel from 13-24 can control
a maximum of 5A loads. The installer
should make sure not to overload the
channels.
Load neutral wire should be linked to the
neutral connection in DB enclosure.
4
GND(white-orange)&(white-brown)
D-(white-green)&(white-blue)
D+(blue-green)
+24V(brown-orange)
Cat5e connection
1.5 mm Electric Cable
1.5 mm Electric Cable
2.5 mm Electric Cable
O-OFF
I-ON
MCB
Connect To L
Connect To N
To the TIS BUS Network
Cat5e
1
2
3
4
5
6
7
8
9
10
11
12
13
com
14
15
16
com
17
18
19
com
20
21
22
com
23
24
GND D-
D+ +24V
PRG
E1
E2
TIS-BUS
WARNING! HIGH VOLTAGE!
RCU-24R20Z