ERV+DX coi
l
(10)Try to avoid using it if the resistance difference of pipeline at both sides of air outlet of fresh air unit is big.
Pa %
300 78
76
cu
rva
d
i e
ffic
ien
z
a
74
25
0
72
20
0
15
0
100 m
80 m
10
0
60 m
40 m
50
20 m
0
200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500 520 540 560 m3/h
Figure 5-16 The flow/pressure diagram for GMV-VDR5PH/SA-
S
Temp
.
°C
Mattin
a
Giorn
o
Temp
.
°
C
Giorno
Giorn
o
Notte
Notte
Temp
.
Mattin
a
Giorno
°C
Notte
Figure 5-17 The flow/pressure diagram for GMV-VDR8PH/SA-S/GMV-VDR10PH/SA-
S
Temperatura
esterna
Free Coolin
g
possibile
Free Cooling possibil
e
Esempio di raffreddamento in estate
238
Temp
.
Temp
.
impo
-
impo
-
stata
stata
Temperatura
impostata
(1)The length of duct type on the curve is equal to that of straight pipe when friction coefficient is 0.02.
Temperatura
(2)Before connecting air ducts, please finish the installation of the drainage system and test whether the drainage is normal.
intern
a
Free Cooling possibile
Free Cooling
possibile
Esempio di raffreddamento nelle stagioni intermedie
set two control methods for unit, which are operating control mode and linkage control mode.
When conducting operating control mode, the unit will operate according to the command input by the wired controller.
When conducting linkage control mode, the unit should be connected into the control network of multi VRF unit, then the unit
will conduct linkage operation according to the operating status of multi VRF unit.
Qualità dell’aria indoor
Frequenza Lavaggio
Frequenza Sostituzion
e
eccellente
6 mesi
18 mes
i
According to the actual using working conditions, and protect the internal components at the same time, this unit has multiple
buona
6 mesi
18 mes
i
operating modes for satisfying the using demands under different environmental conditions.
leggermente inquinata
4 mesi
12 mes
i
(1)Heat exchange mode: when the unit detects that the indoor and outdoor ambient temperature difference is large and the
mediamente inquinata
2 mesi
6 mes
i
outdoor humidity is lower, the unit will activate heat exchange mode. Under such mode, fresh air and exhaust air conduct
molto inquinata
1 mese
3 mes
i
normal heat exchange.
severamente inquinata
15 giorni
1 mese
(2)By-pass mode: when the unit detects that the indoor and outdoor ambient temperature difference is small and the outdoor
humidity is lower, the unit will activate by-pass mode. Under such mode, the unit will not conduct heat exchange.
(
3
)
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