Daikin LRYEN10A7Y1, Installation And Operation Manual

12 Unit installation

Installation and operation manual

12

LRYELRNUN5A7Y1

CO

₂

 Conveni-Pack outdoor unit and capacity up unit

4P605461-1 – 2020.04

NOTICE

These  units  (LRYEN10*  and  LRNUN5*)  are  only  parts  of
an  air  conditioner  system,  complying  with  partial  unit
requirements 

of 

the 

International 

Standard 

IEC

60335-2-40:2018. As such, they must ONLY be connected
to  other  units  that  have  been  confirmed  as  complying  to
corresponding partial unit requirements of this International
Standard.

General name and product name

In this manual, we use the following names:

General name

Product name

Outdoor unit

LRYEN10A7Y1

Capacity up unit

LRNUN5A7Y1

Temperature range

Refrigeration

A/C cooling

A/C heating

Outdoor
temperature

–20~43°C DB

–5~43°C DB

–20~16°C WB

Indoor
temperature

—

14~24°C WB

15~27°C DB

11.2

System layout

a

b

e

e

d

c

f

g

h

i

j

g

k

h

i

j

k

a

Main outdoor unit (LRYEN10*)

b

Capacity up unit (LRNUN5*)

c

Communication box (BRR9B1V1)

d

Fan (indoor unit for air conditioning)

e

Showcase (indoor unit for refrigeration)

f

Blower coil (indoor unit for refrigeration)

g

CO

2

 control panel

h

CO

2

 detector

i

CO

2

 alarm

j

CO

2

 ventilator

k

Shut off valve

11.3

Indoor unit constraints

NOTICE

The  design  pressure  of  the  connected  refrigeration  parts
should  be  9  MPa  (90  bar)  or  more.  If  this  is  not  the  case,
please contact your dealer for assistance.

WARNING

Only the refrigeration parts that are also designed to work
with CO

2

 shall be connected to the system.

Individual control with a remote controller

In case of a system with several air conditioners that are controlled
with the same remote controller in the same space:

Capacity class

Individual control with a

remote controller

50

NOT allowed

71~112

Allowed

Restrictions

Keep  the  following  restrictions  in  mind  when  you  connect  indoor
units:

Restriction

Minimum/maximum

Minimum air conditioning total
capacity class

162

Maximum air conditioning total
capacity class

233

Maximum indoor units that can
be connected

≤4

For  more  information  about  the  possible  combinations,  see  the
installer and user reference guide of the outdoor unit.

12

Unit installation

12.1

Preparing the installation site

12.1.1

Installation site requirements of the
outdoor unit

Mind  the  spacing  guidelines.  See  figure  1  on  the  inside  of  the  front
cover.

Description of text on figure 1:

Item

Description

A

Maintenance space

B

Possible patterns with installation
spaces in case of a single
outdoor unit

(a)(b)(c)(d)

C

Possible patterns with installation
spaces in case of an outdoor unit
connected to a capacity up unit

(a)

(b)(c)(d)

h1

H1 (actual height) –1500 mm

h2

H2 (actual height) –500 mm

X

Front side = 500 mm + ≥h1/2

Y (for patterns B)

Air inlet side = 300 mm +≥h2/2

Y (for patterns C)

Air inlet side = 100 mm +≥h2/2

(a)

Wall height front side: ≤1500 mm.

(b)

Wall height air inlet side: ≤500 mm.

(c)

Wall height other sides: no limit.