Envision NDS072 Series Manuals

Manuals and User Guides for Envision NDS072 Series. We have 1 Envision NDS072 Series manual available for free PDF download: Installation Manual

Envision NDS072 Series Installation Manual

Envision NDS072 Series Installation Manual (36 pages)

Geothermal/Water Source Outdoor Split Heat Pump 2 to 6 Tons Dual Capacity

Brand: Envision | Category: Heat Pump | Size: 1.71 MB

Table of Contents

Table of Contents
3
Model Nomenclature
4
- Safety Considerations
  5
- Condensate Drain
  5
- Duct System
  5
- Equipment Selection
  5
General Installation Information
5
Water Quality
8
Water Piping
9
Electrical Data
10
Thermostat Wiring
10
Dimensional Data
11
Physical Data
11
Model Nomenclature - Air Handler
12
Coil Data - Air Handler
12
Physical Data - Air Handler
13
Model Nomenclature - Coil
13
Refrigerant Coil Compatibility
13
Wiring Schematics
14
- Wiring Schematics
  17
- Cooling Operation
  18
- Heating Operation
  18
Microprocessor Control
18
Microprocessor Control
21
Operation Logic Data
22
DIP Switch Settings
22
Refrigeration
23
Line Set Sizes
24
Pressure/Temperature Conversion Chart for R-410A
24
Operating Parameters
26
Compressor Resistance
27
Pressure Drop
27
Compressor and Thermistor Resistance
27
Refrigerant Circuit Guideline
28
Heat of Extraction/Rejection Data
28
Reference Calculations
29
Legend
29
Operating Limits
29
Startup and Troubleshooting
31
- Troubleshooting
  32
- Water Coil Maintenance
  33
Preventive Maintenance
33
Replacement Procedures
33
Service Parts List
34

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