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14.3. Electrical components box
a A1P: main PCB
b A3P: control PCB
c A4P: optional demand PCB
d X2M: terminal strip
e X1M: terminal strip
14.4. Operation range HXY(080/125)
Cooling operation
a
e
43/(37)
35/30
10/8
(5*) 10
a Outdoor Ta (°CDB/WB)
b Indoor (LWE°C)
c Pull down area
d Normal operation range
(*) Depending on operation conditions and only possible after field setting
activation (influence on DX cooling (cold draft) and total efficiency).
NOTICE
When LWE is selected <18°C; optional drain pan has to be
used for Hydrobox.
Installation and operation manual
42
a
b
c
d
e
d
c
20
25
b
Heating operation
a
20/16
7/6
2/1
c
-7/-8
-20/X
5
25
a Outdoor Ta (°CDB/WB)
b Indoor (LWC°C)
c Warming up zone
d Normal operation range
14.5. ESP curve
95.0
90.0
85.0
80.0
75.0
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
15
17.5
20
22.5
ESP External Static Pressure
Flow Waterflow through the unit
Unit ESP at 4000 rpm (∆T=5°C)
Unit ESP at 3800 rpm (∆T=8°C)
Maximum ESP if ∆T=5°C (heating nominal)
Maximum ESP if ∆T=5°C (cooling nominal)
d
45
b
25
27.5
30
32.5
35
37.5
Flow (l/min)
HXY080+125A8V1B
VRV IV System indoor unit
4P405267-1B – 2016.02
40
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