About The Units; Overview: About The Units; Identification; Identification Label: Outdoor Unit - Daikin LRMEQ4BY1 Installer And User Manual

4 About the units

4
1
a
b
2
3
c
4 About the units
4.1

Overview: About the units

This chapter contains information about:
▪ Identification of the outdoor unit.
▪ Where the outdoor unit fits in the system layout.

▪ Possible options for the outdoor unit.

▪ With which indoor units you can combine the outdoor units.
4.2

Identification

NOTICE
When installing or servicing several units at the same time,
make sure NOT to switch the service panels between
different models.
4.2.1

Identification label: Outdoor unit

Location
Model identification
Example: LR ME Q 4 B Y1 [*]
Code
LR ZEAS condensing unit
ME/LE Medium temperature refrigeration / Low
temperature refrigeration
Q Refrigerant R410A
3+4 Capacity class
B Model series
Y1 Power supply
[*] Minor model change indication
4.3

About the outdoor unit

This installation manual concerns the ZEAS condensing unit.
Installer and user reference guide
8
(10.1 N·m)
Explanation
This unit is intended for outdoor installation and aimed for air to air
cooling applications.
Specification LRMEQ3 LRMEQ4 LRLEQ3
Capacity (cooling) 5.90 kW
Ambient design
temperature (cooling)
(a) Capacity measured at the following conditions: ambient
temperature 32°C, evaporating temperature –10°C,
superheat 10 K.
(b) Capacity measured at the following conditions: ambient
temperature 32°C, evaporating temperature –35°C,
superheat 10 K.
4.4

System layout

a b c
a Outdoor unit (ZEAS condensing unit)
b Refrigerant piping
c Indoor unit (Blower coil)
d Indoor unit (Showcase)
4.5

Combining units and options

4.5.1 Possible options for the outdoor unit
INFORMATION
Refer to the technical engineering data for the latest option
names.
Refrigerant branching kit
Description
Refnet header
Refnet joint
Modbus communication box (BRR9A1V1)
Interface that provides a two-way communication possibility with
third-party monitoring systems (BMS), via Modbus. Allows remote
access to all operating parameters, while at the same time provides
the possibility to control the refrigeration units from a distance:
setting the target evaporating temperature, resetting error codes, ...
PC configurator cable (EKPCCAB)
You can make several commissioning field settings through a
personal computer interface. For this option EKPCCAB is required
which is a dedicated cable to communicate with the outdoor unit.
The user interface software
www.daikineurope.com/support-and-manuals/software-downloads/.
4.5.2

About the indoor units

NOTICE
To be sure your system setup (outdoor unit+indoor unit(s))
will work, you have to consult the latest technical
engineering data for ZEAS condensing unit.
The ZEAS condensing unit can be combined with several types of
third party indoor units and is intended for R410A use only.
When installing indoor units, mind the following:
LRLEQ4
(a) (a) (b)
8.40 kW 2.78 kW 3.62 kW
–20~43°C DB
d
Model name
KHRQ22M29H
KHRQ22M20T
KHRQ22M29T9
is available on http://
LRMEQ+LRLEQ3+4BY1
Air-cooled refrigeration condensing unit
4P500362-1A – 2018.09
(b)