4
NSZ/NDZ INSTALLATION MANUAL
Model Nomenclature
1
2
3
4-6
7
8
9
10
11
N
D
Z
049
A
1
1
A
C
Model Type
N = Envision
Coax Options
C = Copper
Compressor Type
N = Cupronickel
D = Dual Capacity
S = Single Speed
Future Option
A = Standard
Cabinet Configuration
Z = Indoor Split
Hot Water Option
0 = No Hot Water Generator,
No IntelliStart
1 = Hot Water Generator with
factory installed pump,
No IntelliStart
3 = No Hot Water Generator,
IntelliStart
4 = Hot Water Generator with
factory installed pump,
IntelliStart
Unit Capacity
Vintage
A = Current
Voltage
1 = 208-230/60/1
Physical Characteristics
Model
022
030
036
042
048
060
070
026
038
049
064
72
Compressor (1 each)
Single Speed Scroll
Dual Capacity Scroll
Factory Charge R410a, oz [kg]
56
[1.59]
56
[1.59]
56
[1.59]
74
[2.1]
90
[2.55]
92
[2.61]
108
[3.06]
52
[1.47]
56
[1.59]
90
[2.55]
92
[2.61]
104
[2.95]
Coax and Water Piping
Water Connections Size - Swivel- in [mm]
1 [25.4]
1 [25.4]
HWG Connection Size - Swivel - in [mm]
1 [25.4]
1 [25.4]
Brass Service Valve - Liquid Line - in [mm]
3/8”
[9.525]
1/2”
[12.7]
3/8”
[9.525]
1/2”
[12.7]
Brass Service Valve - Suction Line - in [mm]
5/8”
[15.875]
3/4”
[19.05]
7/8”
[22.225]
5/8”
[15.875]
3/4”
[19.05]
7/8”
[22.225]
Coax and Piping Water Volume - gal [l]
0.7
[2.6]
1.0
[3.8]
1.3
[4.9]
1.3
[4.9]
1.6
[6.1]
1.6
[6.1]
2.3
[8.7]
0.7
[2.6]
1.3
[4.9]
1.6
[6.1]
1.6
[6.1]
2.3
[8.7]
Weight - Operating, lb [kg]
164
[74]
174
[79]
212
[96]
213
[97]
246
[112]
251
[114]
292
[132]
189
[186]
236
[107]
250
[113]
271
[123]
290
[132]
Weight - Packaged, lb [kg]
184
[83]
194
[88]
232
[105]
233
[106]
266
[121]
271
[123]
312
[142]
209
[95]
256
[116]
270
[122]
291
[132]
310
[141]
10/29/08
NOTES:
All units have TXV expansion devices, and 1/2 in. [12.2 mm] and 3/4 in. [19.1 mm] electrical knockouts.
Brass service valves are sweat type valves.
