Connecting The Outdoor Unit; Connection As Twin Combination; Connecting External Accessories; On-Site Configuration - Bosch Climate 5000 L Installation Instructions Manual

On-site configuration

NOTICE
Damage due to overvoltage
The wired room controller is designed for low voltage.
▶ Never bring the communication cable into contact with high voltages.
Use the cable provided.
▶ If necessary, route an extension cable between the indoor unit and
installation location of the wired room controller.
▶ Connect the communication cable to the indoor unit.
▶ Where applicable, connect the communication cable with the wired
room controller via an extension cable. In doing so, insulate each
push fit connection with plastic hose and cable ties ( Fig. 27).
▶ Fit the magnet ring.
▶ Connect the earthing terminal lug.
▶ Insert the button battery into the holder [1].
3.7.5

Connecting the outdoor unit

A power supply cable (3-wire) and the communication cable of the
indoor unit (4-wire) are connected to the outdoor unit. Use cables of the
type H07RN-F with sufficient conductor cross-section and protect the
mains power supply with a fuse.
▶ Secure the communication cable to the strain relief and connect to
the terminals 1(L), 2(N), S and
same as indoor unit) ( Fig. 17 und 18).
▶ Attach 1 magnetic ring to the communication cable, as close as
possible to the outdoor unit.
▶ Secure power cable to the strain relief and connect.
– CL5000L ... E: terminals L, N and
– CL5000L ... E-3: terminals L1, L2, L3, N and
▶ Fasten cover for connections.
3.7.6

Connection as twin combination

With the twin combination, two indoor units are connected in series.
With the slave unit, terminal S is omitted. Instead of that, communication
takes place between he indoor units via terminals X, Y and E.
Key to Fig. 30 and 31:
IDU-M Master unit (indoor unit 1)
IDU-S Slave unit (indoor unit 2)
▶ Connect master unit as described in chapter 3.7.2.
▶ Connect save unit to the master unit via terminals L, N and
▶ Connect master unit and slave unit additionally to terminals X, Y and
E via a communication cable. In doing so, earth the shield.
The central controller and twin combination both use the X/Y/E terminal.
For this reason, a decision must be made in advance if a twin
combination or central controller is installed.
1) L=1(L) and N=2(N).
56
(assignment of wires to terminals
1)
.
3.7.7

Connecting external accessories

External accessories can be connected to the terminals listed below.
Connection Description / special features
CN23 On / Off contact switch
• Volt free terminal
• When using jumper connector, remove J6 next to
the connection.
• Open contact:
– Indoor unit off
– Remote control / room controller inactive (CP
in the display)
• Closed contact:
– Indoor unit on
– Remote control / room controller active
CN33 Alarm signal output
• Volt free terminal
• Connection, maximum 24 V DC, 500 mA
• Open contact: Alarm off
• Closed contact: Alarm on
CN40 Connection for room controller
CN43 External fan for supply of fresh air
• Integrated power supply for maximum 200 W or
1 A (relay recommended).
• External fan switches on / off simultaneously with
the fan of the indoor unit.
• In test mode or manual operation, the external
fan remains off.
Table 77
To connect a gateway, observe the technical documentation of the
gateway and the connection accessories.
4 On-site configuration
4.1

DIP switch setting

WARNING
Risk to life from electric shock!
Touching live electrical parts can cause an electric shock.
▶ Before working on electrical parts, disconnect all phases of the
power supply (fuse/circuit breaker) and lock the isolator switch to
prevent unintentional reconnection.
All DIP switches have been configured before delivery. The default
setting is highlighted bold.
▶ Only professional maintenance personnel should change these
settings.
▶ Improper DIP switch settings may cause condensation, noise, or
unexpected system malfunction.
Climate 5000 L • Climate 5000i U/L – 6721841493 (2023/05)