Hisense YXE-A03U Technical & Service Manual page 102

Control Box (B543(E))
4.
2 Checking accessories
Check and confirm that in addition to the central control box product the following accessories are included
in the packaging box.
Installation
Connecting
instructions
cable
(505mm)
Qty.: 1 Qty.: 1
3 How to install
Selecting the location where the appliance is to be installed. Please install it in the ceiling and
1
.
close to the electrical control box of indoor unit.
2. Wiring connection
Connection with indoor unit by connecting cable.
①
Connect the central control box with the indoor unit using the connecting cable (attached with the
product), as shown in Figure 1. To prevent looseness of connector due to tensioning, use the clamp
(attached with the product) to bind connecting cable, and fasten it to the hook, as shown in Fig. 1.
Fig. 1 Connection with indoor unit by connecting cable
② Connection of central control communication line.
As shown in fig. 2, press the connection terminal for central control and insert the communication line
for central control into the connecting hole. Then release the terminal until the communication line is
properly inserted.
NOTE:
1. The above requirement for wiring is the minimum;
2. The central control communication line should be provided by users;
3. Correct polarity of the communication line should be ensured during connection;
4. The cable should be reliably secured after connection is completed.
Double-sided
Clamp
tape
Qty.: 2 Qty.: 1
Connector for connecting
cable of indoor unit
Hook for fastening
of wiring harness
Central control
communication line
A+
A+
Fig. 2 Connection of central control communication line
Type Minimum Specifications
Shielded Cross-sectional area:
twisted pairs 2×0.75 mm
100
Central control commu-
-nication line pressure
wire terminal
Central control
communication line
B- B-
2