The ECM motor used with this product contains two parts: the control module and motor winding section. Do not assume the motor or module
is defective if it will not start. Go through the steps described below before replacing control module, Easy Select Board or entire motor. The
control module is available as a replacement part.
Table 2—CFM Range for FV4B Units
FAN COIL SIZE
SYSTEM SIZES
CFM RANGE
FV4BNF002
024, 030, 036
450-1275
FV4BNF003
024, 030, 036, 042
525-1475
FV4BNF005
036, 042, 048
550-1700
FV4BNB006
042, 048, 060
550-2150
Table 3—FV4B Fan Coil Airflow Delivery (CFM) in Cooling Mode
UNIT
SIZE
OUTDOOR
UNIT
CAPACITY
OPERATING MODE
FAN ONLY
LO/MED/HI
Single-Speed
Application
Two-Speed
Application
High Speed
Low Speed
Nominal
A/C
Cooling
A/C
Cooling
Dehumidity
Nominal
A/C
Cooling
A/C
Cooling
Dehumidity
Nominal
A/C
Cooling
A/C
Cooling
Dehumidity
002
018
024
030
036
525
700
875
1050
420
560
700
840
—
735
—
1100
—
590
—
880
—
440
—
660
—
350
—
530
350/350/525
350/440/700
440/550/875
525/660/1050
003
024
030
036
042
700
875
1050
1225
560
700
840
980
735
—
1100
—
590
—
880
—
440
—
660
—
415
—
530
—
415/440/700
440/550/875
525/660/1050
610/770/1225
005
030
036
042
048
875
1050
1225
1400
700
840
980
1120
—
1100
—
1470
—
880
—
1175
—
660
—
880
—
530
—
705
440/550/875
525/660/1050
610/770/1225
700/880/1400
006
036
042
048
060
1050
1225
1400
1750
840
980
1120
1400
1100
—
1470
1835
880
—
1175
1470
660
—
880
1100
530
—
705
880
525/660/1050
610/770/1225
700/880/1400
875/1100/1750
NOTE
1. The above airflows result with the AC/HP CFM ADJUST select jumper set on NOM.
2. Airflow can be ad15 percent or -10 percent by selecting HI or LO respectively for all modes except fan only.
3. Dry coil at 230 volts and with 10kw heater and filter installed.
4. Airflows shown are at standard air conditions.
Table 4—FV4B Fan Coil Airflow Delivery (CFM) in Heat Pump Only Heating Mode
UNIT
SIZE
OUTDOOR
UNIT
CAPACITY
OPERATING MODE
FAN ONLY
LO/MED/HI
Single-Speed
Application
Two-Speed
Application
High Speed
Low Speed
Heat Pump
Comfort
Heat Pump
Efficiency
Heat Pump
Comfort
Heat Pump
Efficiency
Heat Pump
Comfort
Heat Pump
Efficiency
002
018
024
030
036
420
560
700
840
525
700
875
1050
—
660
—
990
—
735
—
1100
—
395
—
595
—
440
—
660
350/350/470
350/395/630
440/520/785
525/595/945
003
024
030
036
042
560
700
840
980
700
875
1050
1225
660
—
990
—
735
—
1100
—
415
—
595
—
440
—
660
—
415/415/630
440/520/785
525/595/945
610/695/1100
005
030
036
042
048
700
840
980
1120
875
1050
1225
1400
—
990
—
1320
—
1100
—
1470
—
595
—
795
—
660
—
880
440/520/785
525/595/945
610/695/1100
700/795/1260
006
036
042
048
060
840
980
1120
1400
1050
1225
1400
1750
990
—
1325
1655
1100
—
1470
1835
595
—
795
990
660
—
880
1100
525/595/945
610/695/1100
700/795/1260
875/990/1575
NOTE
1. The above airflows result with the AC/HP CFM ADJUST select jumper set on NOM.
2. Airflow can be ad15 percent or -10 percent by selecting HI or LO respectively for all modes except fan only.
3. Dry coil at 230 volts and with 10kw heater and filter installed.
4. Airflows shown are at standard air conditions.
—16—
