Daikin LRMEQ4BY1, Инструкция по установке и эксплуатации

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6 Installation
Installer and user reference guide
14
LRMEQ+4BY1
Air-cooled refrigeration condensing unit
4P500362-1A – 2018.09
The operation switch is located in the switchbox (see illustration
below).
REMOTE
OFF
ON
The operation switch can be set to the following three positions:
Operation switch setting Function
OFF Unit operation turned OFF
ON Unit operation turned ON
Remote Unit controlled (ON/OFF) with remote
operation switch
NOTICE
Low-noise switch . If you want to remotely turn ON/OFF
low-noise operation (see setting [2‑18]), you must install a
low-noise switch. Use a voltage-free contact for
microcurrent (≤1 mA, 12 V DC). Connect to X2M/A+B.
NOTICE
Output signals . The outdoor unit is provided with a
terminal (X3M) that can output 4 different signals. The
signal is 220~240 V AC. The maximum load for all signals
is 0.5 A. The unit outputs a signal in the following
situations:
▪ C/C1: caution signal – connection recommended –
when an error occurs that does not stop unit operation.
▪ C/W1: warning signal – connection recommended –
when an error occurs that causes unit operation to
stop.
▪ R/P2: run signal – connection optional – when the
compressor is running.
▪ P1/P2: operation signal – connection mandatory –
when the indoor unit solenoid valve is being controlled.
Wiring Sheathed cable (2 wires)
Vinyl cords
0.75~1.25 mm²
Maximum wiring length 130 m
6 Installation
6.1 Overview: Installation
This chapter describes what you have to do and know on-site to
install the system.
Typical workflow
Installation typically consists of the following stages:
▪ Mounting the outdoor unit.
▪ Mounting the indoor units.
▪ Connecting the refrigerant piping.
▪ Checking the refrigerant piping.
▪ Charging refrigerant.
▪ Connecting the electrical wiring.
▪ Finishing the outdoor installation.
▪ Finishing the indoor installation.
INFORMATION
For installation of the indoor unit (mounting the indoor unit,
connecting the refrigerant piping to the indoor unit,
connecting the electrical wiring to the indoor unit …), see
the installation manual of the indoor unit.
6.2 Opening the units
6.2.1 About opening the units
At certain times, you have to open the unit. Example:
▪ When connecting the refrigerant piping
▪ When connecting the electrical wiring
▪ When maintaining or servicing the unit
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover
is removed.
6.2.2 To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
1×
1
2
6.3 Mounting the outdoor unit
6.3.1 About mounting the outdoor unit
Typical workflow
Mounting the outdoor unit typically consists of the following stages:
1 Providing the installation structure.
2 Installing the outdoor unit.
3 Preventing the unit from falling over.
4 Protecting the unit against snow and wind by installing a snow
cover and baffle plates. See "Preparing installation site" in
"5 Preparation" on page 9 .
6.3.2 Precautions when mounting the outdoor
unit
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation