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DUALAIR
®
HEATING AND COOLING UNITS INSTALLATION OPERATION AND SERVICE MANUAL
6
4.2 General Technical Data Table
Electrical load at 230v 50Hz measured by calculating from total run current of appliance.
* Do not exceed the maximum length of flue stated or heater may not operate properly.
Reduce the maximum length stated by 1 m for each 90° bend installed.
**If minimum air flow requirements are not met then temperature limit devices will shut down the heater.
Model
Designed Air Flow # with Clean Filters
m
3
/sec
Min Air Flow at Coil
m
3
/sec
Max Air Flow at Coil
m
3
/sec
Fan Unit
Fan Pulley mm PCD
Motor Pulley mm PCD
Vee Belts
Total Electrical Load kW
Motor Size kW
Full Load Current A
Run Current at Designed Air Flow # A
Start Current A
Inlet Connection in
Outlet Connection in
Condensate Connection ISO 7-R
Refrigerant
°C Dry Bulb
°C Wet Bulb
°C Dry Bulb
°C Wet Bulb
All Models
Initial Pressure Loss
mbar
Max. Recommended Pressure Loss
mbar
Weight kg
NR dB(A)
SPL dB(A)
NR dB(A)
SPL dB(A)
NR dB(A)
SPL dB(A)
68
68
73
75
5.4
1
23.0 24.0
7.0 / 7.5
57.74 71.54
2.88
1.66
3.71
2A x 112 / 2A x 118
115
3.7
2.60
5.34
75 90
2 x A 63
2A x 180 / 2A x 200
2A x 100 / 2A x 95
Fan Data
457-486 Double Inlet Belt Drive
2A x 180
2 x A 64
100
kW
Max Cooling Load Split into Two Equal
Circuits
Design Temp. ON
Design Temp. OFF
27
R407C
612 621
1 5/8 copper
638 647
65
0.4
1.5
Qty. 6 - Farr 30/30 grade 100 x 635 x 406
Filters - All Models
7/8 copper
1 3/8 copper
18.07
14.66
Electrical Data - All models need 400v 50Hz 3N supply. Single phase supply output for control circuit
230v 50Hz fused at 5 Amp. All alarm and status signals 230v 50Hz. Modulation input 0-10vDC.
Cooling Coil - DX
4.0
7.5
2.2
4.45
4.0 / 4.5
3.3
Physical Data
Noise from Cabinet at 1 m 67.5
72
13.72
13
12.3
19.4
25
Noise from Air Inlet at 1 m
77
75
Noise from Air Outlet at 1 m
81
7776