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Dual Fluid System - Mitsubishi Electric t-NEXT DF DX 011 P1 S Manual

Air conditioners for it cooling with dual fluid system.to be matched with remote air-cooled condenser.
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t-NEXT DF DX

DUAL FLUID SYSTEM

TECHNICAL DATA
VERSION (1)
MODEL
SIZE
COOLING CAPACITY (2)
Total
Sensible
SHR (3)
COOLING COIL
Water flow rate (2)
dP coil + valve (2)
Water volume
HYDRAULIC CONNECTIONS
WATER INLET / OUTLET ISO 7/1 - R
VERSION (1)
MODEL
SIZE
COOLING CAPACITY (2)
Total
Sensible
SHR (3)
COOLING COIL
Water flow rate (2)
dP coil + valve (2)
Water volume
HYDRAULIC CONNECTIONS
WATER INLET / OUTLET ISO 7/1 - R
THE COOLING CAPACITY DOES NOT CONSIDER THE SUPPLY FAN MOTOR THERMAL LOAD
1.
U = Under, downflow / O = Over, upflow
2.
Characteristics referred to entering air at 26°C-40%RH with chilled water temperature 7-12°C - 0% glycol
3.
SHR = Sensible cooling capacity / Total cooling capacity.
T_tNEXTDFDX_0719_EN
DUAL FLUID system on the machine allows to obtain two independent cooling systems:
Chilled water coil
Direct expansion coil
Air conditioner
The microprocessor control system automatically manages the system, by activating the cooling circuit
more convenient according to the parameters set.
With this system, it is possible, with a limited use of space, to solve several plant problems such as:
Chilled water coil fed with chilled water or mains water as a stand-by of the main cooling
circuit.
Double chilled water feeding with two independent circuit. This solution is used when you
need to ensure redundancy of the cooling system.
The temperature control is performed with the same logic of the main coil.
U / O
011 P1 S
E1
kW
12,2
kW
11,8
0,97
m
3
/h
2,12
kPa
15
l
4,2
Ø
1"
U / O
026 P1 S
E3
kW
27,4
kW
26,8
0,98
m
/h
4,71
3
kPa
28,3
l
7,8
Ø
1+1/4"
18
U / O
U / O
014 P1 S
016 P1 S
E2
E2
17,8
18,4
17,2
18
0,97
0,98
3,06
3,16
33,5
35,6
5,3
5,3
1"
1"
U / O
U / O
032 P1 S
037 P1 S
E4
E4
39
43,4
38,3
42
0,98
0,97
6,69
7,45
14,2
17,1
13,8
13,8
1+1/2"
1+1/2"
Liquid chiller
Remote
condenser
U / O
U / O
020 P1 S
022 P1 S
E3
E3
25,4
26,5
24,6
25,6
0,97
0,97
4,35
4,57
24,7
26,6
7,8
7,8
1+1/4"
1+1/4"
U / O
U / O
041 P1 S
045 P1 S
E4
E4
46
46
44,9
44,9
0,98
0,98
7,92
7,92
19
19
13,8
13,8
1+1/2"
1+1/2"
MEHITS S.p.A.
DATA BOOK

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