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3.4.
DESCRIPTION AND CHOICE OF THE UNIT
1 2 3
4 5 6 7
8
9
10
11
12
13
14
15
NXW
0650
°
°
°
°
°
°
°
°
Field:
1 2 3
Code
NXW
4 5 6 7
Size:
0500, 0550, 0600, 0650, 0700, 0750, 0800, 0900, 1000, 1250, 1400
8
Field of use:
°
Standard mechanical thermostatic valve up to +4°C
Y
Low water temperature mechanical thermostatic valve down to -8°C
X
Electronic thermostatic valve also for low water temperature (down to -8°C)
9
Model:
°
heat pump with water side inversion
H
heat pump with gas side cycle inversion
10
Version:
°
standard
L
silenced
11
Evaporator:
°
standard
E
condenserless
12
Heat recovery
°
without recovery units
D
with desuperheater
T
with total heat recovery
13
Power supply
°
400V 3 50Hz with thermomagnetic switches
4
230V 3 50Hz with thermomagnetic switches*
5
500V 3 50Hz with thermomagnetic switches**
14
Evaporator side pumps
°
without pumping assembly
M
low-head pump
N
low-head pump and reserve pump
O
high-head pump
P
high-head pump and reserve pump
15
Condenser side pumps
°
without pumping assembly
U
low-head pump
V
low-head pump and reserve pump
W
high-head pump
Z
high-head pump and reserve pump
J
low-head inverter pump
K
high-head inverter pump
– the standard options are shown by the symbol °;
– these combinations are not possible: YD, YT HE, HT, ET, T with evaporator or condenser side pumps
* available only for sizes 0500 to 0700
** available only for sizes 0600 - 0650 and 0800 to 1400
*** "evaporator" is the heat exchanger that works as such in cooling mode; "condenser" is the heat exchanger
that
works
as
such
in
heating
mode
8
INXWPY. 1004. 4438805_00
Содержание NXW 0500
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