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WaterFurnace NDZ User Manual
36 pages
Manual
Specs
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Installation Informa
tion
W
ater Piping C
onnections
Hot W
ater Gener
ation Connections
Electrical
Startup Proc
edur
es
T
r
oubleshooting
Pre
ventiv
e Maintenanc
e
IM1003SN 05/10
NSZ/ND
Z Ins
tallation Manual
Geothermal/W
at
er Sour
ce Indoor Split Hea
t Pump
2 to 6 T
ons Single Speed
2 to 6 T
ons Dual Capacity
2
Table of Contents
Table of Contents
3
Model Nomenclature
4
Physical Characteristics
4
Physical Dimensions
5
General Installation Information
6
General Installation Information
9
Physical Data - Envision Air Handler
9
Open Loop - Well Water Systems
10
Open Loop - Well Water Systems
11
Water Quality
11
Closed Loop - Ground Source Systems
12
Hot Water Generator Connections
13
Hot Water Generator Connections
14
Electrical Data
15
Thermostat Wiring
15
Wiring Schematics
16
Microprocessor Control
18
Cooling Operation
19
Operation Logic Data
22
DIP Switch Settings
22
Refrigeration
23
Refrigeration
25
Line Set Sizes
25
Pressure/Temperature Conversion Chart for R-410A
26
Operating Parameters
27
Pressure Drop and Recommended Flow Rates
29
Unit Startup and Troubleshooting
31
Troubleshooting
32
Preventative Maintenance
33
Replacement Procedures
33
Service Parts List
34
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WaterFurnace NDZ Specifications
General
Model
NDZ
Category
Heat Pump
Type
Geothermal
Refrigerant
R-410A
Warranty
10 years limited warranty
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