Nortek B64EM Series User Manual

2
TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION ......................... 3
REQUIREMENTS & CODES
......................................... 3
GENERAL INFORMATION
............................................ 4
Before You Install this Unit
......................................... 4
Locating the Air Handler
............................................. 4
Minimum Clearances
.................................................. 4
Installation in a Garage
............................................... 4
Plenums & Air Ducts
................................................... 4
Unconditioned Spaces
............................................ 5
Air Filters
.................................................................. 5
Acoustical Duct Work
.............................................. 5
AIR HANDLER INSTALLATION
................................... 5
Packaging Removal
.................................................... 5
Mounting Applications
................................................ 5
Upflow Installations
..................................................... 5
Downflow Installations
................................................ 5
Horizontal Installations
................................................ 5
Horizontal Left Installations:
.................................... 6
Horizontal Right Installations:
.................................. 6
Circuit Breaker Cover Installation
............................... 7
Refrigerant Line Connections
..................................... 7
Connecting the Linesets
.......................................... 7
Condensate Drainage
................................................. 8
ELECTRICAL CONNECTIONS
..................................... 9
Pre-Electrical Checklist
............................................... 9
Line Voltage
................................................................ 9
Thermostat Connections
............................................ 9
Grounding
................................................................... 10
Control Board
............................................................. 10
Twinning
...................................................................... 10
Line & Low Voltage Connections
............................ 10
Heater Kits
.................................................................. 10
Humidifier
.................................................................... 10
Dehumidification Options
........................................... 10
Electronic Air Cleaner (EAC)
....................................... 10
STARTUP & ADJUSTMENTS
....................................... 10
Before You Start the Unit
............................................ 10
Air Circulation
.............................................................. 11
Running the Blower Continuously
........................... 11
Selecting Continuous Low Speed Fan Operation
... 11
Turning the Blower Off
............................................ 11
System Cooling
....................................................... 11
System Heating
....................................................... 11
Selecting Minimum Electric Heat Airflow
................ 11
Blower Configurations
................................................ 11
Determining Nominal System Capacity
................... 11
High Efficiency Units (Variable & Fixed Speed)
....... 11
Basic Heating Airflow for Variable & Fixed Speed
... 11
Basic Cooling / Heat Pump Airflow for Variable &
Fixed Speed
............................................................ 12
TROUBLESHOOTING
................................................... 12
UNIT MAINTENANCE
.................................................... 12
REFRIGERANT CHARGING
......................................... 13
FIGURES & TABLES
..................................................... 14
Figure 8. B64 Series Physical Dimensions
.............. 14
Figure 9. Air Handler Components
.......................... 15
Airflow Data
................................................................. 16
Table 6. B64EM (FSHE) Airflow Data........................16
Table 7. Recommended Cooling Airflow Settings ... 17
Table 8. B64VM (VSHE) Airflow Data
...................... 18
Electrical Data & Diagrams
......................................... 19
Table 9. Control Board Operation
........................... 19
Table 9. Control Board Operation continued .......... 20
Figure 10. Typical Thermostat Connections
............ 21
Figure 11. Low Voltage Wiring For Twinning
........... 21
Figure 12. Single Stage Control Board
.................... 22
Figure 13. Two - Stage Control Board
.................... 22
Figure 14. Fixed Speed Motor Control Board
......... 23
Figure 15. Variable Speed Motor Control Board
..... 23
Figure 16. B64EM Wiring Diagram
.......................... 24
Figure 17. B64VM Wiring Diagram
.......................... 25
INSTALLATION CHECKLIST ........................................ 28

Nortek B64EM Series Specifications

General

Brand	Nortek
Model	B64EM Series
Category	Air Handlers
Language	English