4
2.3 SELECTION
NRA 1650 ° ° D L ° ° ° 00
0800 - 0900 - 1000 - 1250 - 1400 - 1500 - 1650 - 1800
Refrigerant
° Standard
Y Version for low temperature of processed water, down to -6°C
Model
° Cooling only
H Heat pump
Heat recoverers
° Without recoverers
D Desuperheater
T Total recovery
Version
° Standard
A High temperature
L Standard in Silenced operation
Coils
° - Aluminium
R - Copper
S - Tinned copper
V - Varnished aluminium copper
Evaporator
° According to PED standards
C Condensing (without evap.)
Power supply
° 3~400V-50Hz with thermomagnetic switches
4 3~230V-50Hz with thermomagnetic switches
9 3~500V-50Hz with thermomagnetic switches
1,2,3 4,5,6,7 8 9 10 11 12 13 14 15,16
HYDRONIC KIT
00
Without accumulation
01 Accumulation and low pressure pump
02 Accumulation, low pressure pump and
reserve pump
03 Accumulation and high pressure pump
04
Accumulation, high pressure pump and reserve
pump
05 Accumulation with holes for integrative
resistance, and low pressure pump
06
Accumulation with holes for integrative resistance,
low pressure pump and reserve pump
07 Accumulation with holes for integrative
resistance, high pressure pump
08
Accumulation with holes for integrative resistance,
high pressure pump and reserve pump
P1 Only low pressure pump
P2
Low pressure pump and reserve pump
P3
Only high pressure pump
P4
High pressure pump and reserve pump
fields 4 - 5 - 6 - 7
fields 8
fields 9
fields 10
fields 11
fields 12
fields 13
fields 14
fields 15 - 16