the pinnacle of world technology in all aspects of efficiency, durability, and
New large diameter propeller fan
(Flash wing fan)
Reversed circular blade
Enlarged fan diameter
The reversed circular form reduces the
interference of the flow between the blades,
and the backward vortex.
High efficiency heat transfer pipe
R410A
3
AI dual inverter system
High speed calculation vector
control inverter
World,s first core technology: each module (singular outdoor unit) is installed with two (dual)
DC twin rotary compressors that work effectively with the highly efficient refrigerant R410A.
The system operates in the most optimum pattern for both energy saving and reliability.
-Installation Work:
Less Piping Material and Higher Efficiency
Smaller piping diameters than ever before.
This is due to the all inverter type dual compressors,
Automatic configuration of outdoor unit.
Improved reliability with identical casing
Each outdoor unit (1 module)
is of the same size and
design. Therefore the basic
installation work will be
identical.
The unit has been designed
for your convenience, so it is
possible to fit the unit
comfortably into a standard
size elevator.
* All our compressors are inverter type
High efficiency DC twin rotary
compressor
Cost Saving of Piping Material
Less piping work
Efficient Installation Work
Automatic low-noise mode, only possible where
dual inverter type compressors are used.
Froom the weather data of the Japanese Mechanical and
Electrical Engineers building in the year 2000.
Tokyo (8:00 21:00) remote control temperature setting at 27
Time generated(Hours/year)
300
250
200
150
100
50
Time generated
Outdoor unit noise
203038352517
Outside temperature(
Outside noise(dB)
Automatic
low noise mode
Configuration of heat transfer pipe
60
55
50
45
40
35
o
)
C
Numbers used are expected numbers.
5
3
High efficiency DC twin rotary compressor
DC twin rotary compressors are most congenial with R410A and are used within
the outdoor units. (Conversion to all inverter type)
DC
fan motor
COP
Super-MMS (410A)
10HP System 3.80
20HP System 3.55
Leading the world with high efficiency and high COP
in both 1:1 system and VRF system.
*1
DC twin rotary compressor installed on all the outdoor
units for combined use!(Conversion to all inverter type)
Active oil control
Oil control is the key to the reliability.
Top
Top
Outlet
disk
compressor
unit
Bottom
oil
Compression structure by the rotation of the rollers inside
the fixed cylinder allows the easy supply of oil to the
swaying surface. The compressing rollers move in the
same direction as the rotary shaft. This creates a force in
the direction of compression even at high compression.
Thus high efficiency and reliability are attained.
Weight
(Compared with the conventional unit)
Volume
(Compared with the conventional unit)
Congenial with high
pressure refrigerant R410A
Range of rotation
Compressor efficiency
Oil discharge
(ratio)
Large space
motor
roller
oil flow
67%
61%
Force on the vertical shaft
(roller) is small.
15-120rps
See diagram on
the right
1/40
(of the conventional unit)
High-speed
Calculation Vector
Control Inverter
Comparison of compressor efficiencies
This difference is
the energy saving
Twin rotary
Scroll
Total compressor efficiency (%)
20406080 100
Rotation(rps)
Therefore, all the compressor units can operate equally.
e.g. in case of a workload
of 2 compressor units;
Master/Follower
Part load COP
Compressor start
Super MMS
ONON
OFF
ON
1 2
INV
INV
Comp
Comp
Comp
No Need
Higher COP
Equal start chance
INV
ON
3 4
OFF
INV
Comp
As both heat exchangers on the
2 outdoor units are usable,
higher energy-saving
(higher efficiency) can be achieved.
The sequence of the first
compressors start up, changes
whenever switching on.
4
3
1
today
tomorrow
the day
after
tomorrow
3
4
2
2
1
3
Super-MMS (8HP)
4.10
*1
high-level
-Design Work:
Flexible to meet the sophisticated condition of
buildings or various customer requirements
The longest piping in the industry enabling
a flexible floor design.
2)Height Difference - Upper Outdoor Unit
- Lower Outdoor Unit
3)Max Indoors Difference
50m
30m
Super MMS
Super MMS enable flexible branching.
You may change branching at installation sites.
"Header branch after Y joint"
according to original plan, but ....
High level, Energy saving VRF System
Super MMS will offer the best solution for the
customers requirements as well as consideration of
ecology, with the unique technologies and advantages.
2
1
4
1) Max Equivalent Length
(Max Actual Length 150m)
1)2)3)4)
Max
Equivalent
Length
175m 150m 50m 40m 30m 65m 300m 48units
Y joint
Header branch
175m
8 storey building can be
4)Max from 1st Branch
covered by one piping system.
65m
Height Difference
Max
Actual
Upper
Length
Lower
Outdoor Unit
Outdoor Unit
Super MMS can quickly satisfy such
a requirement as addition of extra
indoor unit(s)...
Easy "Y joint branch after header
branch" solution in this example.
TOSHIBA
1 Piping
System,
30m
(8 floors)
Max
Indoors
Difference
Y joint
Max
from 1st
Branch
Header
branch
Total
Extension
Unique
technology
Y joint
Addition of extra
indoor unit
Max
Connectable
Indoor Units
Through avoiding concentration of the load at an individual unit,
prevention of failure and improvement of reliability are achieved.
6
4
System overview
7
8
4
System overview
Foreword
1. OUTLINE OF TOSHIBA SUPER MMS
(Super Modular Multi System)
Shortest route design by free branching
The Combination of line and header branching is highly flexible.
Following the shortest design route possible, thereby saving
on installation time and cost. Line/header branching after the
header branching is only available with TOSHIBA Super MMS.
Line branching
Outdoor unit
Branching joint
Indoor unit
8F
4
Header branching
Outdoor unit
Branching
header
Indoor unit
Line + Header branching
Outdoor unit
Branching joint
Indoor
unit
Header
Line branching after header branching
Outdoor unit
Branching joint
Super MMS
MMS Only
Only
Header
7F
2F
1F
Indoor unit
Header branching after header branching
Outdoor unit
Header
Super MMS
Only
Header
Indoor unit
9
4
Non-polarized control wiring
between the outdoor and indoor units
8F
7F
Outdoor unit
Indoor unit
U1 U2
U1 U2U1 U2U1 U2
Wiring diagnosis system
Use the switches on the micro processor
P.C.B of the outdoor unit.
Detect wiring to the indoor unit b4 which
should not be in system A.
b4 is missing in the system B.
Piping
A
system
B
system
Outdoor
unit
a1a2a3a4
WiringIndoor unit
Outdoor
unit
b1b2b3b4
Outdoor
unit
Allowable pipe length :
175m equivalent length
2F
1F
1st branching
section
Height difference between indoor
unit and outdoor unit : 50m
Height difference between indoor
unit and indoor unit : 30m
From 1st branching to the
furthest indoor unit : 65m
10
Compact design
The design of the modular TOSHIBA Super MMS outdoor unit allows for easy manoeuvering of the unit.
The unit will fit into any standard size lift.
The compactness of the unit allows for it to be installed into a limited space.
Largest system capacity
TOSHIBA Super MMS can be combined up to 48 HP (135kW) as one refrigerant system.
Energy saving
No. 1 COP in VRF industry. Compared with a conventional chiller fan coil system a large energy
saving can be achieved.
Advanced bus communication system
Wiring between indoor and outdoor units is a simple 2 core wire system.
Communication of addresses is also automatically configured.
A default test mode operation is available.
Self diagnostics system
Comprehensive troubleshooting codes allows for a timely identification of possible problems arising.
High lift design
Equivalent pipe length of 175m and vertical lift of 50m is possible with TOSHIBA Super MMS.
The maximum vertical lift between indoor units is 30m, this being the highest in the industry.
This allows for greater flexibility within the building design of the system.
4
Multiplied indoor units
Indoor units with different capacities and configurations can be combined up to a maximum of
135% of the outdoor units capacity.
A maximum of 48 indoor units can be combined with the 30 _ 48 HP outdoor units.
Intelligent control
TOSHIBA Super MMS intelligent controls and modulating valves deliver the required capacity,
according to the load variation from 50% to 100%.
The intelligent controls and modulating valves limit or increase the cooling capacity dynamically so
humidity and temperature are kept within the comfort zone.
Conforms to building control law
IAQ (Indoor Air Quality) is also achieved by combining various accessories required by the Building
Control Law.
Wide control applications
Artificial Intelligence Network system.
Central control and monitoring system available.
Weekly schedule operation through weekly timer.
Integration with Building Management System (BMS) is available.
1 ‘‘Capacity code’’ can be obtained. (Capacity code is not actual capacity)
2 If total capacity code value of indoor unit exceeds that of outdoor unit, apply capacity code of outdoor unit.
3 When using Y-shape branching joint for 1st branching, select according to the capacity code of the outdoor unit.
4 Max. capacity code of 6.0 in total can be connected.
5 If capacity code of outdoor unit is 26 or more, it is not used for 1st branching.
6 Model names for outdoor and indoor units described in this guide are shortened because of the space constraint.
Indoor unit capacity code (*1) : Total below 6.4
Indoor unit capacity code (*1) : Total 6.4 or more and below 14.2 (*2)
Indoor unit capacity code (*1) : Total 14.2 or more and below 25.2 (*2)
Indoor unit capacity code (*1) : Total 25.2 or more (*2)
Indoor unit capacity code (*1) : Total below 14.2
Indoor unit capacity code (*1) : Total 14.2 or more and below 25.2
Indoor unit capacity code (*1) : Total below 14.2
Indoor unit capacity code (*1) : Total 14.2 or more and below 25.2
1 set of 3 types of T-shape joint pipes as described below:
The required quantity is arranged and they are combined at the site.
Usage
Max.4
branches
Max.8
branches
Connection pipingCorresponded dia. (mm)Qty
Balance pipe
Piping at liquid side
Piping at gas side
o/9.51
o/9.5 to o/22.21
o/15.9 to o/41.31
Appearance
Cooling Only model
Super Modular Multi System Outdoor Unit :
List of Product and Combined Model Name
50Hz
HP
(Capacity
code)
5HP ( 5)
6HP ( 6)
8HP ( 8)
10HP (10)
12HP (12)
14HP (14)
16HP (16)
18HP (18)
20HP (20)
22HP (22)
22HP (22)
24HP (24)
24HP (24)
26HP (26)
28HP (28)
30HP (30)
32HP (32)
32HP (32)
34HP (34)
34HP (34)
36HP (36)
36HP (36)
38HP (38)
40HP (40)
42HP (42)
44HP (44)
46HP (46)
48HP (48)
Model name
MMY-
MAP0501T8
MAP0601T8
MAP0801T8
MAP1001T8
MAP1201T8
AP1401T8
AP1601T8
AP1801T8
AP2001T8
AP2201T8
AP2211T8
AP2401T8
AP2411T8
AP2601T8
AP2801T8
AP3001T8
AP3201T8
AP3211T8
AP3401T8
AP3411T8
AP3601T8
AP3611T8
AP3801T8
AP4001T8
AP4201T8
AP4401T8
AP4601T8
AP4801T8
No. of
combined
units
1
1
1
1
1
2
2
2
2
3
2
3
2
3
3
3
4
3
4
3
4
3
4
4
4
4
4
4
Inverter
5 HP
MMY-
MAP0501T81
Used
Qty
Inverter
6 HP
MMY-
MAP0601T8
MAP0601T8
MAP0601T8
Used
Qty
1
1
1
Inverter
8HP
MMY-
MAP0801T8
MAP0801T8
MAP0801T8
MAP0801T8
MAP0801T8
MAP0801T8
MAP0801T8
MAP0801T8
MAP0801T8
MAP0801T8
MAP0801T8
MAP0801T8
Used
Qty
1
1
2
1
2
3
2
1
4
3
2
1
Inverter
10HP
MMY-
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
MAP1001T8
Used
Qty
1
1
2
1
1
2
3
2
1
1
2
3
4
3
2
1
Inverter
12HP
MMY-
MAP1201T8
MAP1201T8
MAP1201T8
MAP1201T8
MAP1201T8
MAP1201T8
MAP1201T8
MAP1201T8
MAP1201T8
MAP1201T8
Used
Qty
1
1
2
1
2
3
1
2
3
4
4
1. Allocation standard of model name
MMY_MAPT 8
O
Power supply specifications, 3
T : Capacity variable unit
Development series No.
Capacity rank HP x 10
New refrigerant R410A
M : Single module unit, No mark : Combined Model name
Modular Multi
380_415 V, 50Hz ....... 8
/
2. Range of combined capacity
No. of combined units: 1 to 4 units
Capacity of combined units: 14 HP (140 type) to 48 HP (480 type)
3. Rated conditions (Rated mode : Condition)
Cooling: Indoor air temperature 27oC DB/19oC WB, Outdoor air temperature 35oC DB
13
Heat Pump model
50Hz
4
HP
(Capacity
code)
5HP ( 5)
6HP ( 6)
8HP ( 8)
10HP (10)
12HP (12)
14HP (14)
16HP (16)
18HP (18)
20HP (20)
22HP (22)
22HP (22)
24HP (24)
24HP (24)
26HP (26)
28HP (28)
30HP (30)
32HP (32)
32HP (32)
34HP (34)
34HP (34)
36HP (36)
36HP (36)
38HP (38)
40HP (40)
42HP (42)
44HP (44)
46HP (46)
48HP (48)
Model name
MMY-
MAP0501HT8
MAP0601HT8
MAP0801HT8
MAP1001HT8
MAP1201HT8
AP1401HT8
AP1601HT8
AP1801HT8
AP2001HT8
AP2201HT8
AP2211HT8
AP2401HT8
AP2411HT8
AP2601HT8
AP2801HT8
AP3001HT8
AP3201HT8
AP3211HT8
AP3401HT8
AP3411HT8
AP3601HT8
AP3611HT8
AP3801HT8
AP4001HT8
AP4201HT8
AP4401HT8
AP4601HT8
AP4801HT8
No. of
combined
units
11
11
11
11
11
211
22
211
22
312
211
33
22
321
312
33
44
321
431
312
422
33
413
44
431
4
413
44
Inverter
5 HP
MMY-
MAP0501HT8
Used
Qty
Inverter
6 HP
MMY-
MAP0601HT8
MAP0601HT8
MAP0601HT8
Used
Qty
Inverter
8 HP
MMY-
MAP0801HT8
MAP0801HT8
MAP0801HT8
MAP0801HT8
MAP0801HT8
MAP0801HT8
MAP0801HT8
MAP0801HT8
MAP0801HT8
MAP0801HT8
MAP0801HT8
MAP0801HT8
Used
Qty
Inverter
10 HP
MMY-
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
MAP1001HT8
Used
Inverter
Qty
12 HP
MMY-
MAP1201HT8
MAP1201HT8
MAP1201HT8
MAP1201HT8
MAP1201HT8
MAP1201HT8
MAP1201HT8
MAP1201HT8
22
MAP1201HT8
MAP1201HT8
Used
Qty
14
1. Allocation standard of model name
MMY_MAPT 8H
Power supply specifications, 3O/ 380_415 V, 50Hz ....... 8
T : Capacity variable unit
H : Heat pump
Development series No.
Capacity rank HP x 10
New refrigerant R410A
M : Single module unit, No mark : Combined Model name
Modular Multi
2. Range of combined capacity
No. of combined units: 1 to 4 units
Capacity of combined units: 14 HP (140 type) to 48 HP (480 type)
3. Rated conditions (Rated mode : Condition)
Cooling : Indoor air temperature 27oC DB/19oC WB, Outdoor air temperature 35oC DB
Heating : Indoor air temperature 20
o
C DB, Outdoor air temperature 7oC DB/6oC WB
Heat Pump model
Super Modular Multi System Outdoor Unit :
List of Product and Combined Model Name
60Hz
HP
(Capacity
code)
5HP ( 5)
6HP ( 6)
8HP ( 8)
10HP (10)
12HP (12)
14HP (14)
16HP (16)
18HP (18)
20HP (20)
22HP (22)
22HP (22)
24HP (24)
24HP (24)
26HP (26)
28HP (28)
30HP (30)
32HP (32)
32HP (32)
34HP (34)
34HP (34)
36HP (36)
36HP (36)
38HP (38)
40HP (40)
42HP (42)
44HP (44)
46HP (46)
48HP (48)
Model name
MMY-
MAP0501HT7
MAP0601HT7
MAP0801HT7
MAP1001HT7
MAP1201HT7
AP1401HT7
AP1601HT7
AP1801HT7
AP2001HT7
AP2201HT7
AP2211HT7
AP2401HT7
AP2411HT7
AP2601HT7
AP2801HT7
AP3001HT7
AP3201HT7
AP3211HT7
AP3401HT7
AP3411HT7
AP3601HT7
AP3611HT7
AP3801HT7
AP4001HT7
AP4201HT7
AP4401HT7
AP4601HT7
AP4801HT7
No. of
combined
units
11
11
11
11
11
211
22
211
22
312
211
33
22
321
312
33
44
321
431
312
422
33
413
44
431
422
413
44
Inverter
5 HP
MMY-
MAP0501HT7
Used
Qty
Inverter
6 HP
MMY-
MAP0601HT7
MAP0601HT7
MAP0601HT7
Used
Qty
Inverter
8 HP
MMY-
MAP0801HT7
MAP0801HT7
MAP0801HT7
MAP0801HT7
MAP0801HT7
MAP0801HT7
MAP0801HT7
MAP0801HT7
MAP0801HT7
MAP0801HT7
MAP0801HT7
MAP0801HT7
Used
Qty
Inverter
10 HP
MMY-
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
MAP1001HT7
Used
Qty
Inverter
12 HP
MMY-
MAP1201HT7
MAP1201HT7
MAP1201HT7
MAP1201HT7
MAP1201HT7
MAP1201HT7
MAP1201HT7
MAP1201HT7
MAP1201HT7
MAP1201HT7
Used
Qty
4
1. Allocation standard of model name
MMY_MAPT 7H
Power supply specifications, 3O/ 380 V, 60Hz ....... 7
T : Capacity variable unit
H : Heat pump
Development series No.
Capacity rank HP x 10
New refrigerant R410A
M : Single module unit, No mark : Combined Model name
Modular Multi
2. Range of combined capacity
No. of combined units: 1 to 4 units
Capacity of combined units: 14 HP (140 type) to 48 HP (480 type)
3. Rated conditions (Rated mode : Condition)
Cooling : Indoor air temperature 27oC DB/19oC WB, Outdoor air temperature 35oC DB
Heating : Indoor air temperature 20
o
C DB, Outdoor air temperature 7oC DB/6oC WB
15
4
4. Indoor unit
*1) China market only *2) European market only *3) Korea market only
009 type
012 type
015 type
018 type
024 type
027 type
030 type
036 type
048 type
056 type
007 type
009 type
012 type
015 type
018 type
024 type
027 type
030 type
1)
048 type
007 type
009 type
012 type
015 type
018 type
024 type
015 type
018 type
024 type
007 type
009 type
012 type
015 type
018 type
1)
007 type
*
1)
009 type
*
1)
012 type
*
1)
015 type
*
1)
018 type
*
3)
007 type
*
3)
009 type
*
3)
012 type
*
3)
015 type
*
3)
018 type
*
007 type
009 type
012 type
015 type
018 type
024 type
027 type
030 type
036 type
048 type
056 type
018 type
024 type
027 type
036 type
048 type
072 type
096 type
015 type
018 type
024 type
027 type
036 type
048 type
007 type
009 type
012 type
015 type
018 type
024 type
2)
007 type
2)
009 type
2)
012 type
007 type
009 type
012 type
015 type
018 type
024 type
007 type
009 type
012 type
015 type
018 type
024 type
015 type
018 type
024 type
027 type
036 type
048 type
056 type
Wired remote controller
(In case of control by
2 remote controllers)
Start / Stop
Mode Change
Temperature setting
Change of air flow
Timer function
1
On or off timer operation, setting in 30
minute increments.
Automatic Off function.
2
Combined with the weekly timer, weekly
schedule operation can be operated.
Filter sign
Displays automatically maintenance time of
indoor filter.
Filter sign flashes.
Self-diagnosis function
Pressing‘‘CHECK’’ button displays cause of
fault on the check code.
Control by 2 remote controllers is available.
Two remote controllers can be connected to
one indoor unit. The indoor unit can be
separately operated from a different location.
TEST
SETTING
ûC
ûF
RBC-AS21E/RBC-AS21E2RBC-AMT21E/RBC-AMT31E
Simple wired remote controller
TCB-AX21U(W)-E
TCB-AX21U(W)-E2
RBC-AX22CE
RBC-AX22CE2
Wireless remote controller kit
Connected to indoor unit
Simple remote controller
Connected to indoor unit
Start / Stop
Temperature setting
Change of air flow
Check code display
Start / Stop
Mode change
Temperature setting
Change of air flow
Timer function
On or off timer operation, setting in 30 minute
increments.
Automatic Off function.
Control by 2 remote controllers is available.
Two wireless remote controllers can operate
one indoor unit. The indoor unit can be
separately operated from a different location.
Check code display
TCB-AX21U(W)-E
(for 4-way airdischarge cassette)
RBC-AX22CE
(for under ceiling)
TCB-AX21-E
(for other units except for the concealsed duct
high static pressure)
18
16-3
TCB-AX21E
TCB-AX21E2
Name
Model
name
AppearanceApplicationPerformance
Weekly timer
RBC-EXW21E
RBC-EXW21E2
PROGRAM1
PROGRAM2
PROGRAM3
WEEKLY TIMER
SuMoTuWeThFr Sa
ERROR
Connected to central
remote controller or
wired remote controller
Wired
remote controller
Outdoor unit
Central
remote controller
Weekly
timer
Weekly
timer
Weekly schedule operation
1
Setting different start / stop time for
each day of the week
2
ON / OFF can be set 3 times a day.
ON
8:0012:00 13:00 18:00 19:00 21:00
3
‘‘CHECK’’ ‘‘PROGRAM’’ ‘‘DAY’’
OFFOFFONONOFF
button copying of setting easy.
4
Two different schedules for a
week can be specified.
(Summer schedule and winter
schedule, etc.)
Indoor air dry bulb temperature vs. capacity correction value
1.2
1.1
1.0
0.9
0.8
152024
Capacity correction value
Indoor air dry bulb temp. ()
5
2
Outdoor air wet bulb temperature vs. capacity correction value
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
-
15
Capacity correction value
-
10
-
50 51015
Outdoor air wet bulb temp. ()
3
Air flow variation ratio of indoor unit vs. capacity correction (For concealed duct type only)
1.1
1.0
0.9
8090100110120
Capacity correction value
1 : Coefficient to use for the correction of the outdoor unit capacity when the total capacity of
*
Air flow variation ratio (%)
the indoor units are not equal to the outdoor unit capacity.
2 : Refer to item 3
*
23
Outdoor unit
Indoor unit
L' is the longest one of
(l'o + l'a, l'o + l'b, l'o + l'c)
H = ho +
(Largest one of ha, hb, and hc)
A
ha
hb
hc
hol'o
l'a
l'b
l'c
B
C
0
80
60
40
20
20406080100120 135
120
100
1002030405060708090
100 110 120 130 140 150 160 170
-
40
-
20
-
10
0
10
20
30
40
50
-
30
100%
92
93
94
96
97
98
9
91
90
89
95
4
Connecting pipe length and lift difference between indoor and outdoor units vs. capacity correction value
5
Outdoor unit (5 to 48HP)
Height of outdoor unit H (m)
Pipe length (Equivalent length) L (m)
5
Correction of outdoor unit diversity
Correction (%)
Standard capacity ratio
Indoor units total capacity ratio (%)
1 : Coefficient to use for the correction of the outdoor unit capacity when the total capacity of
*
the indoor units are not equal to the outdoor unit capacity.
24
3. Capacity correction in case of frost on the outdoor heat exchanger when in heating
Correct the heating capacity when frost can be found on the outdoor heat exchanger.
Heating capacity = Capacity after correction of outdoor unit x Correction value of capacity resulted from frost
(Capacity after correction of outdoor unit : Heating capacity calculated in the above item 2.)
6
Capacity correction in case of frost on the outdoor heat exchanger
1.0
0.9
0.8
Capacity correction value
-
15
-
10
Outdoor air wet bulb temp. ( )
-
50 510
4. Capacity calculation for each indoor unit
Capacity for each indoor unit
= Capacity after correction of outdoor unit
x
5. Operating temperature range
In cooling time
45
40
35
30
25
20
15
10
5
0
Outdoor air dry bulb temp. ( )
-
5
-
10
Indoor air wet bulb temp. ( )
Continuously
operable
range
Usable range
(in pull down)
302528201510
Required standard capacity of indoor unit
Total value of standard indoor unit capacity
In heating time
20
15
10
5
0
-
5
-
10
Outdoor air wet bulb temp. ( )
-
15
-
20
5 1015202530
Indoor air dry bulb temp. ( )
Continuously
operable
range
Usable range
(in warming-up)
5
The unit can be operated even if outdoor tem-
*
perature gets down to
the warranty covers only up to
operation beyond that temperature is out of
specification.
When outdoor air temperature falls below
*
-
15 , it may cause shortening of the products
6. Rated conditions
lifetime.
Cooling : Indoor air temperature 27 DB/19.0 WB, Outdoor air temperature 35 DB
Heating : Indoor air temperature 20
DB, Outdoor air temperature 7 DB/6 WB
-
20 . However, note that
-
15 because
25
26
6
Piping requirements
27
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