AERMEC NXW 0900 User Manual

2
0
2
5
3
0
3
5
4
0
4
5
5
0
5
5
6
0
-10 -5 0 5 10 15 20
°, XY, X
°
,
X
Standard operation
Operation with glycol
KEY:
7. OPERATING LIMITS
Evaporator outlet water temperature °C
Standard
Condenser outlet water temperature °C
HIGH PRESSURE
SIDE
LOW PRESSURE
SIDE
Maximum allowable pressure bar 45
30
Maximum setting allowable °C 120 51
Minimum temperature allowable °C -30 -30
8.3 DESIGN DATA
DIR 97/23/EC
7.1. OPERATING LIMITS
STANDARD VERSION
Reference should be made to the
diagram below for the operating
limits. (see table 7.1.1)
The diagram for the operating
limits is relative to aIl Δt
on the evaporator and on the
condenser of 5 °C.
Inlet (Δtc) Output
condenser:
min: 5
max: 15
Inlet (Δte) output difference
Evaporator:
min: 3
max: 10
7.2. OPERATING LIMIT VERSION E
(CONDENSERLESS)
Reference should be made to the
diagram below for the operating
limits. (see table 7.1.1)
° = with standard mechanical thermostatic valve up to +4°C
Y = Low water temperature mechanical thermostatic valve down to -6°C
X = Electronic thermostatic valve also for low water temperature (down to -6°C)
Tab. 7.1.1
Tab. 7.2.1
18
INXWPY. 1004. 4438805_00
Condenserless
Evaporator outlet water temperature °C
-10 -5 0 5 10 15 20
25
30
35
40
45
50
55
60
58°C
53°C
Y, X °, X
Condensing temperature °C

AERMEC NXW 0900 Specifications

General

Brand	AERMEC
Model	NXW 0900
Category	Chiller
Language	English