4 About the units
Installer and user reference guide
8
LRMEQ+4BY1
Air-cooled refrigeration condensing unit
4P500362-1A – 2018.09
(10.1 N·m)
2
a
b
c
4
3
1
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
Explanation
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.
This unit is intended for outdoor installation and aimed for air to air
cooling applications.
Specification
LRMEQ3 LRMEQ4
LRLEQ3
LRLEQ4
Capacity (cooling)
5.90 kW
(a)
8.40 kW
(a)
2.78 kW
(b)
3.62 kW
(b)
Ambient design
temperature (cooling)
–20~43°C DB
(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
c
b
d
a
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
Model name
Refnet header
KHRQ22M29H
Refnet joint
KHRQ22M20T
KHRQ22M29T9
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
is
available
on
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:
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