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Routing through
Choose one of the 3 possibilities:
the frame
1
b
a
a Power supply cable
b Transmission wiring cable
Connecting to the
When cables are routed from the unit, a
frame
protection sleeve for the conduits (PG
insertions) can be inserted at the knockout
hole.
When you do not use a wire conduit,
protect the wires with vinyl tubes to
prevent the edge of the knockout hole from
cutting the wires.
A Inside of the outdoor unit
B Outside of the outdoor unit
a Wire
b Bush
c Nut
d Frame
e Hose
7 Reattach the service cover. See
unit" on
page 27.
8 Connect an earth leakage circuit breaker and fuse to the power
supply line.
6.9
Finishing the outdoor unit
installation
6.9.1
To finish the transmission wiring
After installing the transmission wires inside the unit, wrap them
along with the on-site refrigerant pipes using finishing tape, as
shown in figure below.
a
c
b
e
d
a
Liquid pipe
b
Gas pipe
c
Insulator
d
Transmission wiring (F1/F2)
e
Finishing tape
RXYSQ4~6TAY1B
VRV IV-S system air conditioner
4P482257-1 – 2017.03
3
b
a
2
b
a
A B
a b c
d
e
"6.9.2 To close the outdoor
6.9.2
To close the outdoor unit
NOTICE
When closing the outdoor unit cover, make sure that the
tightening torque does NOT exceed 4.1 N•m.
2×
7
Configuration
7.1
Overview: Configuration
This chapter describes what you have to do and know to configure
the system after it is installed.
It contains information about:
▪ Making field settings
▪ Energy saving and optimum operation
INFORMATION
It is important that all information in this chapter is read
sequentially by the installer and that the system is
configured as applicable.
DANGER: RISK OF ELECTROCUTION
7.2
Making field settings
7.2.1
About making field settings
To configure the heat pump system, you must give input to the
outdoor unit's main PCB (A1P). This involves the following field
setting components:
▪ Push buttons to give input to the PCB
▪ A display to read feedback from the PCB
Field settings are defined by their mode, setting and value. Example:
[2‑8]=4.
Mode 1 and 2
Mode
Mode 1
Mode 1 can be used to monitor the current
situation of the outdoor unit. Some field setting
(monitoring
contents can be monitored as well.
settings)
7 Configuration
Description
Installer and user reference guide
27
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