4
NXW REVERSIBLE CHILLER INSTALLATION MANUAL
NXW REVERSIBLE CHILLER
Model Nomenclature
1-3
4-6
7
8
9
10
11
12
13
14-15
16
NXW 360
R
4
P
F
8
N
N
SS
A
Family
NXW = Envision Series
Water-to-Water
Capacity
MBTUH
see model size table
Operation
R = Reversible
Voltage
3 = 208-230/60/3*
4 = 460/60/3
5 = 575/60/3
8 = 380/60/3
Phase protection
P = Phase Guard
Chassis
E = Enclosed
F = Open Frame
*208-230/60/3 is not available on NXW540.
Vintage
A = Current
B = 360 & 540
Non-Standard Options
SS = Non-Standard
Future Use
N = Future Use
Future Use
N = Future Use
Controls
8 = FX10 without communication,
with User Interface
9 = FX10 w/ Open N2 Com Card,
w/ User Interface
0 = FX10 w/ Lonworks Com Card,
with User Interface
3 = FX10 w/ BacNet Com Card,
w/ User Interface
Model Size
096
108
120
140
180
210
240
360
540
Nominal Tons
8
9
10
12
15
18
20
30
50
04/10/09
