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YORK Commercial Heat Pump VRF JTOH
(C)2015 Johnson Controls - Hitachi Air Conditioning
Index
Contents
 Expand Line-up
Base unit (Single module) range
Standard type: Add 56HP to 96HP
 Top class EER Performance
Greater efficiency ratio in EER/COP
New Advanced Technology
 Improved Design Flexibility
Less Installation Space
Standard Model (JTOH series)
1
 Adaptability
“Smooth Drive Control”
Quiet Operation
Johnson Controls - Hitachi Air Conditioning
1. Expanded Line-up
Standard Model (JTOH series)
2
Johnson Controls - Hitachi Air Conditioning
1. Expanded Line-up
Sum-up
 Standard type
Single Module (Base Unit)
8HP to 96HP

56-72HP:
STD 8-12HP
STD 14-18HP
STD 20-24HP
Width : 950mm
Width : 1210mm
Width : 1600mm
(Max. combination 3 units)

74-96HP:
(Max. combination 4 units)
3
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1. Expanded Line-up
Single Module Configuration
Capacity
Standard Model (JTOH series)
5HP
6HP
8HP
10HP
12HP
14HP
16HP
18HP
20HP
22HP
24HP
Old
Standard
Structure
N/A
Dimension
(W x D x H)
HEX
950 x 765 x 1720
2 rows
INV 50cc
Compressor
Capacity
5HP
6HP
8HP
Combination of Base units
1210 x 765 x 1720
3 rows
INV 65cc
10HP
12HP
3 rows
INV 65cc + Fix
14HP
16HP
18HP
20HP
22HP
24HP
Standard
Structure
4
NEW
Dimension
(W*D*H)
HEX
Compressor
NEW
NEW
N/A
950 x 765 x 1675
NEW
2 rows
INV 50cc
3 rows
INV 80cc
NEW
1210 x 765 x 1675
3 rows
NEW
1600 x 765 x 1675
3 rows
INV 50cc x 2Johnson
INV
x2
ControlsNEW
- Hitachi
Air80cc
Conditioning
Johnson Controls - Hitachi Air Conditioning
1. Expanded Line-up
Standard Model (JTOH series)
Combination Configuration
HP
8-16
18-24
26-32
34-48
50-54
3 Units
4 Units
34-48
50-54
56-72
74-96
56-72
74-96
Old
Cabinet
Single
Module
HP
8-16
2 Units
18-24
26-32
NEW
NEW
NEW
Cabinet
5
Single Module
2 Units
3 Units
Johnson3-4
Controls
- Hitachi Air Conditioning
Units
Johnson Controls
- Hitachi Air Conditioning
2. High Efficiency
Standard Model (JTOH series)
6
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
Sum-up
 Standard type
8HP to 96HP



7
EER performance: Top in class
EER (up to 5.21)
COP (up to 5.34)
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
EER comparison
Standard Model (JTOH series)
Efficiency Comparison (EER)
5,50
 Top class EER on the market
Standard Model (JTOH series)
5,21
5,00
Standard Model
(JTOH series)
4,91
4,90
4,50
4,46
4,21
4,15
4,12
4,00
Average efficiency EER
3,98
3,75
3,70
Current Gen1 series
30% improved
3,55
3,50
3,30
3,16
3,24
3,00
Current Gen1
series
2,50
2,00
8
8
10
12
14
16
18
20
22
24
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
New Technology to achieve “Higher Performance”
NEW
Selling Point
 Compressor Control
“Smooth Drive Control”
NEW
Selling Point
 Compressor
Improve efficiency
at low load operation
9
NEW
Selling Point
 Bell-mouth
Long Bell-mouth
NEW
Selling Point
 Heat Exchanger
・
Σ Shape Heat Exchanger
(STD>14HP)
・
Improve path structure
for better efficiency
at low load operation
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
10
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
11
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
Expansion of Air-inlet area
12
Improvement of Air flow
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
13
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
14
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
Expansion of Air-inlet area
15
Improvement of Air flow
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
New DC
Inverter
Compressor
16
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
17
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
Smooth Drive
System calculates the appropriate
refrigerant amount according to each
indoors’ load.
Control the inverter compressor precisely
through the smooth operation control
technology
Supplies proper refrigerant to indoor units
according to required load.
System Saving energy efficiently by optimize
control compressor at low-load operation.
18
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-2. High Performance
19
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
3. Design Flexibility
Standard Model (JTOH series)
20
Johnson Controls - Hitachi Air Conditioning
1-3. Design Flexibility
Sum-up
 Standard type
8HP to 96HP

Smaller footprint
(-11% on average compared to Current)

Lighter cabinet
(-16% on average compared to Current)

Higher ESP
(Up to 80 Pa)

Better piping application
(Height difference between IDU & ODU up to 110M)

Wider operation temperature range
(Up to 48℃)

Wider IDU combination range
(Up to 130%)
21
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-3. Design Flexibility
Compact
22
Standard Model (JTOH series)
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-3. Design Flexibility
Compact
Standard Model (JTOH series)
Smaller
Can be
transported in an
elevator by pallet
jack (up to 18HP
class(50.0kW))
Lift
Lighter
Crane
800
New
New package
design to be
craned
more easily
1350
23
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-3. Design Flexibility
Higher ESP
24
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-3. Design Flexibility
Better Piping Limit
25
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-3. Design Flexibility
Piping Direction
4 directions
→←↓↑
For Piping from Front cover
For Piping from Bottom base to Left, Right and Rear side
Control Wiring
Cover gaps
with packings.
(field-supplied)
Transition Wiring
Gas Pipe
ControlWiring
Piping Cover
Power Source
Wiring
Liquid Pipe
Power Source
Wiring
Transition
Wiring
Liquid Pipe
Gas Pipe
Cover gaps with
packings
(field-supplied)
For more
service space
in front.
26
image: front
image: bottom
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-3. Design Flexibility
Wider operation range in Cooling
109°F
23°F
-5°C
0
43°C
0
48°C
-5°C
113°F
23°F
(※ -10)
※ With Low Ambient Setting
Current Model
27
Standard Model (JTOH series)
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-3. Design Flexibility
Indoor Unit
combination range
Up to
130%
38HP class(106.0kW)
Outdoor Unit Capacity_HP class
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38-54
Cooling Capacity_kW
22.4
28.0
33.5
40.0
45.0
50.0
56.0
61.5
67.0
73.0
77.5
85.0
90.0
95.0
100.0
106.0150.0
Range of combination
capacity
28
64 units at maximum
Standard Type (JTOH) : 50 to 130% (In case the combination ratio exceed 130%)
Maximum Connectable IDU
Quantity
13
16
19
23
26
26
33
36
40
43
47
50
53
56
59
64
Recommended Connectable IDU
Quantity
8
10
10
16
16
16
18
20
26
26
32
32
32
32
32
38
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
4. Adaptability
Standard Model (JTOH series)
29
Johnson Controls - Hitachi Air Conditioning
1-4. Adaptability
Sum-up
 Standard type
8HP to 96HP
30





Low noise operation
Silent mode
To prevent failure
Back-up function
Maintenance ease
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-4. Adaptability
Low Noise operation
Thanks to 2
New Designs
31
New metal shielding cover for compressor
New air blower
to suppress the fan noise
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-4. Adaptability
Silent Mode
Noise
Reduction
Mode
18HP
Nominal
86
89
Step 1
82.5
86
Step 2
77.5
81
Step 3
72.5
76
42HP
Sound Power Level (dB(A))
Decrease
Up to -14 dB(A)
32
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-4. Adaptability
To prevent failure
Balance each outdoors’ running
time to extend system life
cycle.
33
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-4. Adaptability
Back-up function
Preventing total system failure.
Even one outdoor unit fault,
other model can continue run.
34
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning
1-4. Adaptability
Maintenance Ease
New Structure:
In upper section, all PCB
visible and easily
accessible
Newly adopted window
for 7-segment display:
Adopting access door to the
electrical box in the upper
panel, which leads to easy
access to 7-segment
display, Press switch &
Dip switch and so on.
NewPanel:
The upper panel (on the side of an
electric box) can be independently
detached from the lower panel (on
35compressor chamber side)
the
New Dip switch setting for
Refrigerant pump-down: Refrigerant
evacuation: Enforced operation to open
outdoor Expansion valve/ By-pass Expansion
valve, Indoor Expansion valve, and Hi/Low
pressure By- pass valve
NewStructure:
More Space in lower section,
access to compressors or valves
easy
Johnson Controls - Hitachi Air Conditioning
Johnson Controls - Hitachi Air Conditioning