11 About the box
Installation and operation manual
20
REMA5+REYA8~20A7Y1B
VRV 5 heat recovery
4P684060-1 – 2022.02
For the installer
11
About the box
11.1
To remove the accessories from
the outdoor unit
Make sure that all accessories are available in the unit.
a
d
1×
1×
e
1×
3P328191-1
BE SURE TO FILL OUT THE BLANKS, WHICH ARE NEEDED FOR AFTER-SALE SERVICES.
REQUEST FOR THE INDICATION OF INSTALLATION INFORMATION
1. RECORD OF INDOOR UNIT MODEL AND INSTALLATION SITE
2. RECORD FOR SETTINGS (CONTENTS SEE INSTALLATION MANUAL)
SETTING
40
30
10
20
19
9
29
39
38
28
8
18
17
7
27
37
36
26
6
16
15
5
25
35
34
23
24
4
3
2
1
INSTALLATION
MODELNAME
No.
12
13
14
50
49
48
47
46
45
60
59
58
57
56
64
63
62
61
11
22
21
33
32
31
44
43
42
41
55
54
53
52
51
SITE
INSTALLATION
MODELNAME
No.
SITE
INSTALLATION
MODELNAME
No.
SITE
INSTALLATION
MODELNAME
No.
SITE
INSTALLATION
MODELNAME
No.
SITE
INSTALLATION
MODELNAME
No.
SITE
INSTALLATION
MODELNAME
No.
SITE
3. RECORD OF INSTALLATION DATE
6. AFTER EQUIPPING, PLEASE PUT IT ON THE BACK SIDE OF THE FRONT PLATE.
DAY MONTH YEAR
4. MODEL NAME
5. MANUFACTURING NUMBER
VALUE
REMARK
DATE
SETTING
VALUE
REMARK
DATE
3P328192-1
3. FOR DETAILS CONCERNING PIPING SELECTION AND CALCULATION OR HOW TO OPERATE THE LEAK DETECTION FUNCTION, PLEASE REFER TO THE INSTALLATION MANUAL.
2. RECORD OF ADDITIONAL REFRIGERANT CHARGE AMOUNT AND RESULT OF LEAK CHECK OPERATION
REQUEST FOR THE INDICATION OF ADDITIONAL REFRIGERANT CHARGING AND LEAK DETECTION OPERATION RESULT
BE SURE TO FILL OUT THE BLANKS, WHICH ARE NEEDED FOR AFTER-SALE SERVICES.
1. CALCULATION OF ADDITIONAL REFRIGERANT CHARGING AMOUNT
4. AFTER FILLING IN THIS TABLE, PLEASE PUT IT ON THE SWITCH BOX COVER.
(m) x 0.18
(m) x 0.37
kg
OUTDOOR
UNIT
(m) x 0.26
(m) x 0.12
(m) x 0.059
(m) x 0.022
ADDITIONAL CHARGING
AMOUNT
TOTAL LENGTH OF LIQUID
PIPE SIZE O22.2 x 0.37
TOTAL LENGTH OF LIQUID
PIPE SIZE O19.1 x 0.26
TOTAL LENGTH OF LIQUID
PIPE SIZE O15.9 x 0.18
TOTAL LENGTH OF LIQUID
PIPE SIZE O12.7 x 0.12
TOTAL LENGTH OF LIQUID
PIPE SIZE O9.5 x 0.059
TOTAL LENGTH OF LIQUID
PIPE SIZE O6.4 x 0.022
105%< CR < 130%
50%< CR < 105%
50%< CR < 70%
70%< CR < 85%
85%< CR < 105%
105%< CR < 130%
8HP
Total indoor unit
capacity connection
ratio (CR)
10-12HP 14-16HP 18-20HP
2.0
1.5
1.5
1.2
1.5
1
1
0.7
1.0
0.5
0.5
0.3
0.5
0
0
0
1.0
0.5
0.5
0.5
0.5
0
0
0
Total indoor unit capacity
when piping length <30m
Total indoor unit capacity
when piping length >30m
kg
1.3
1.1
0.9
RYYQ18-20
RYYQ14-16
RYYQ8~12
kg
ONLY FOR RYYQ8~20 MODELS
DATE
AMOUNT
CALCULATE THE ADDITIONAL REFRIGERANT CHARGING AMOUNT BASED ON THE FORMULA BELOW BEFORE CHARGING.
SHIPMENT (INDICATED ON THE MACHINE NAMEPLATE) AND THE ADDITIONAL AMOUNT SHOWN AS FOLLOWS :
WHEN RE-CHARGING TOTAL AMOUNT OF REFRIGERANT , CHARGE THE TOTAL OF THE AMOUNT CHARGED AT
RESULT LEAK CHECK
DATE
AMOUNT
RESULT LEAK CHECK
DATE
AMOUNT
RESULT LEAK CHECK
DATE
AMOUNT
RESULT LEAK CHECK
c
1×
b
1×
f
g
1×
1×
a
General safety precautions
b
Installation manual and operation manual
c
Additional refrigerant charge label
d
Installation information sticker
e
Fluorinated greenhouse gases label
f
Multilingual fluorinated greenhouse gases label
g
Piping accessory bag
11.2
Accessory pipes: Diameters
Accessory pipes
HP
Øa [mm] Øb [mm]
Gas pipe
▪ Front connection
ID Øa
ID Øb
▪ Bottom connection
ID Øa
OD Øb
5
25.4
19.1
8
10
12
22.2
14
16
18
20
28.6
Liquid pipe
▪ Front connection
ID Øb
ID Øa
▪ Bottom connection
ID Øb
ID Øa
5
9.5
9.5
8
10
12
12.7
14
12.7
16
18
20
High pressure/low pressure gas
pipe
▪ Front connection
ID Øa
ID Øb
▪ Bottom connection
ID Øa
OD Øb
5
19.1
15.9
8
10
12
19.1
14
16
18
20
22.2
11.3
To remove the transportation stay
(only for 5~12 HP)
NOTICE
If the unit is operated with the transportation stay attached,
abnormal vibration or noise may be generated.
The transportation stay for protecting the unit during transport must
be removed. Proceed as shown in the figure and procedure below.
1
Remove the bolt (a) and washers.
2
Remove the transportation stay (b) as shown in the figure
below.
1
2
(12.3 N·m)
a
b
a
Bolt
b
Transportation stay
12
About the units and options
12.1
About the outdoor unit
This installation manual concerns the VRV 5, full inverter driven,
heat recovery system.
Model line up:
Model
Description
REYA8~20
Heat recovery model for single or multi-use
REMA5
Heat recovery model for multi-use only
Depending on the type of outdoor unit which is chosen, some
functionality will or will not exist. It will be indicated throughout this
installation manual and brought to your attention. Certain features
have exclusive model rights.
These units are intended for outdoor installation and aimed for heat
pump applications including air to air applications.
These units have (in single use) heating capacities ranging from 25
to 63 kW and cooling capacities rating from 22.4 to 56 kW. In multi
combination the heating capacity can go up to 90 kW and in cooling
to 80 kW.
The outdoor unit is designed to work in heating mode at ambient
temperatures from –20°C WB to 15.5°C WB and in cooling mode at
ambient temperatures from –5°C DB to 46°C DB.
