Toshiba Air to Air Heat Exchanger with DX Coil
This Toshiba VRF indoor unit is crafted to precondition incoming air, reducing the heating and cooling load and creating a positive pressure to ensure comfortable air supply while protecting against outside grit and dust. Here’s a mechanism that ensures a reduction in the overall system size.
Features
DX coil to precondition the incoming air, reducing the heating and cooling load
Comfortable air supply, creating positive pressure to prevent inflow of grits and dust from outside
Outdoor and indoor air passs through the heat exchanger by exchanging temperature and humidity
Specifications
|
Model Name
|
MMD-
|
Without humidifier
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
|
VN502HEX1E
|
VN802HEX1E
|
VN1002HEX1E
|
VN1002HEX1E2
|
||||||
|
Cooling Capacity
|
kW
|
4.10(1.30)
|
6.56(2.06)
|
8.25(2.32)
|
8.25(2.32)
|
||||
|
Heating capacity
|
kW
|
5.53(2.33)
|
8.61(3.61)
|
10.92(4.32)
|
10.92(4.32)
|
||||
|
Power supply
|
1 phase 50Hz 230V (220-240V) / 1 phase 60Hz 220V
|
1 phase 50Hz 230V(220V-240V)
|
1 phase 60Hz 220V
|
||||||
|
Temperature exchange efficiency
|
Extra high/High/Low
|
%
|
70.5/71.5/72.0
|
70.5/72.5/73.0
|
65.5/67.5/68.0
|
65.5/67.5/68.0
|
|||
|
Enthalpy exchange effiency (%)
|
Cooling (Extra high/High/Low)
|
%
|
56.5/57.5/58.0
|
56.0/59.0/59.5
|
52.0/54.0/55.0
|
52.0/54.0/55.0
|
|||
|
Heating (Extra high/High/Low)
|
%
|
68.5/69.0/69.0
|
70.0/73.0/73.5
|
66.0/68.5/69.0
|
66.0/68.5/69.0
|
||||
|
Power input (Heat exchange mode)
|
Extra high
|
kw
|
0.300/0.365
|
0.505/0.595
|
0.550
|
0.720
|
|||
|
High
|
kw
|
0.280/0.350
|
0.465/0.555
|
0.545
|
0.665
|
||||
|
Low
|
kw
|
0.235/0.250
|
0.335/0.390
|
0.485
|
0.530
|
||||
|
Running current
|
Extra high
|
A
|
1.30/1.65
|
2.25/2.77
|
2.46
|
3.38
|
|||
|
High
|
A
|
1.21/1.62
|
2.07/2.59
|
2.43
|
3.11
|
||||
|
Low
|
A
|
1.01/1.14
|
1.46/1.79
|
2.16
|
2.45
|
||||
|
Fan unit
|
|||||||||
|
Standard air flow
|
|||||||||
|
Extra high
|
m3/h
|
500/
|
800/-
|
950
|
950
|
||||
|
High
|
m3/h
|
500/-
|
800/-
|
950
|
950
|
||||
|
Low
|
m3/h
|
440/410
|
640/600
|
820
|
800
|
||||
|
External static pressure
|
Extra high
|
Pa
|
120/200
|
120/190
|
135
|
195
|
|||
|
High
|
Pa
|
105/170
|
100/155
|
120
|
160
|
||||
|
Low
|
Pa
|
115/150
|
100/130
|
105
|
130
|
||||
|
Air flow limit
|
Lower limit
|
m3 /h
|
330
|
480
|
640
|
640
|
|||
|
Upper limit
|
m3 /h
|
600
|
960
|
1140
|
1140
|
||||
|
Humidifier
|
|||||||||
|
System
|
-
|
-
|
-
|
-
|
|||||
|
Amount
|
-
|
-
|
-
|
-
|
|||||
|
Feed water pressure
|
-
|
-
|
-
|
-
|
|||||
|
Sound pressure level
|
Extra high
|
dB(A)
|
37.5/40
|
41/43
|
43
|
43.5
|
|||
|
High
|
dB(A)
|
36.5/38
|
40/42
|
42
|
42
|
||||
|
Low
|
dB(A)
|
34.5/36.5
|
38/37
|
40
|
40
|
||||
|
Appearance
|
Zinc hot dipping steel plate
|
||||||||
|
Dimensions (HxWxD)
|
mm
|
430x1140x1690
|
430x1189x1739
|
430x1189x1789
|
430x1189x1789
|
||||
|
Weight
|
kg
|
84
|
100
|
101
|
101
|
||||
|
Heat exchanger / Heat-insulating material
|
Finned tube / Flexible urethane foam
|
||||||||
|
Air Filter
|
Standard filter & High efficiency filter
|
||||||||
|
Controller
|
Remote controller (Separately sold parts)
|
||||||||
|
Connecting pipe
|
|||||||||
|
Gas side / Liquid side
|
mm
|
9.5 / 6.4
|
12.7 / 6.4
|
12.7 / 6.4
|
12.7 / 6.4
|
||||
|
Drain port (nominal dia)
|
mm
|
25 (Polyvinyl chloride tube)
|
|||||||
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