First Operations 300-1200 CFM User Manual
Application
VFB Series
VSB Series
Guide
VCB Series
WCB Series
Vertical Console
Fan Coils
300-1200 CFM
This application guide includes expanded cooling and heating data as well as
typical connection diagrams and standard valve/piping package configurations.
Table of Contents
3 Row Cooling and Heating Data .......................... 2
4 Row Cooling and Heating Data ..........................
1 Row Heating Data ..............................................
Typical Connection Diagrams ................................
Valve/Piping Packages ...................................
Model Nomenclature ............................................. 8
FIRST OPERATIONS, LP - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com
3
4
5
6 & 7
3 Row Performance Data
WOR3-YTICAPACGNILOOCRETAWDELLIHC
TINU
EZIS
LLA(
)SLEDOM
MFC MPG
.D.P
.TF(
).RTW
RETAWGNIRETNEF°54 RETAWGNIRETNEF°24
BWF°76/BDF°08
RIAGNIRETNE
BWF°36/BDF°57
RIAGNIRETNE
BWF°76/BDF°08
RIAGNIRETNE
BWF°36/BDF°57
RIAGNIRETNE
LATOT
HBM
.SNES
HBM
.PMET
ESIR
LATOT
HBM
.SNES
HBM
.PMET
ESIR
LATOT
HBM
.SNES
HBM
.PMET
ESIR
LATOT
HBM
.SNES
HBM
.PMET
ESIR
3
082
)HGIH(
0.1
0.2
0.3
1.2
3.6
0.21
7.6
9.8
8.9
6.5
5.6
8.6
4.31
0.9
5.6
6.5
8.6
5.7
6.5
7.5
9.5
2.11
8.6
0.5
3.7
8.9
7.01
9.5
8.6
1.7
7.41
8.9
1.7
6.5
4.7
2.8
2.5
9.5
2.6
2.11
5.7
5.5
042
)DEM(
0.1
0.2
0.3
1.2
3.6
0.21
5.6
3.8
1.9
2.5
9.5
1.6
1.31
3.8
0.6
0.5
4.6
9.6
6.4
1.5
3.5
0.01
4.6
6.4
1.7
1.9
9.9
4.5
1.6
5.6
2.41
1.9
6.6
4.5
9.6
6.7
7.4
3.5
6.5
9.01
9.6
0.5
4
004
HGIH(
5.1
2.2
0.3
9.3
9.7
1.41
5.01
3.21
4.31
4.8
0.9
5.9
0.41
1.11
9.8
0.9
4.9
2.01
4.7
9.7
3.8
7.01
5.8
8.6
4.11
4.31
6.41
8.8
5.9
9.9
2.51
1.21
7.9
7.8
2.01
1.11
7.7
3.8
6.8
6.11
3.9
4.7
023
)DEM(
5.1
2.2
0.3
9.3
9.7
1.41
8.9
1.11
0.21
3.7
8.7
2.8
1.31
1.01
0.8
5.7
5.8
1.9
4.6
8.6
1.7
0.01
7.7
1.6
7.01
1.21
0.31
7.7
2.8
6.8
3.41
0.11
7.8
2.8
2.9
0.01
7.6
1.7
4.7
9.01
4.8
6.6
6
006
)HGIH(
0.3
0.4
0.5
5.6
3.11
4.71
0.71
6.81
6.91
9.21
5.31
9.31
4.11
3.9
9.7
0.31
2.41
0.51
4.11
9.11
2.21
7.8
1.7
0.6
6.81
3.02
4.12
5.31
2.41
6.41
4.21
1.01
6.8
2.41
5.51
4.61
9.11
4.21
7.21
5.9
7.7
6.6
034
)DEM(
0.3
0.4
0.5
5.6
3.11
4.71
7.41
8.51
5.61
4.01
9.01
1.11
8.9
9.7
6.6
2.11
1.21
6.21
1.9
4.9
7.9
5.7
0.6
1.5
1.61
2.71
0.81
0.11
4.11
7.11
7.01
6.8
2.7
3.21
2.31
8.31
5.9
9.9
1.01
2.8
6.6
5.5
8
008
)HGIH(
0.4
0.5
0.6
2.7
9.01
3.51
1.22
8.32
1.52
9.61
6.71
0.81
1.11
5.9
4.8
9.61
2.81
1.91
9.41
4.51
8.51
4.8
3.7
4.6
1.42
0.62
3.72
7.71
4.81
9.81
1.21
4.01
1.9
4.81
8.91
8.02
5.51
1.61
5.61
2.9
9.7
0.7
086
)DEM(
0.4
0.5
0.6
2.7
9.01
3.51
7.02
0.22
9.22
3.51
8.51
1.61
3.01
8.8
6.7
8.51
8.61
5.71
4.31
8.31
1.41
9.7
7.6
8.5
5.22
0.42
0.52
0.61
5.61
9.61
3.11
6.9
3.8
2.71
3.81
1.91
9.31
4.41
7.41
6.8
3.7
4.6
01
0001
)HGIH(
0.6
0.7
0.8
0.9
9.11
3.51
7.92
0.13
1.23
2.32
7.32
1.42
9.9
9.8
0.8
7.22
7.32
5.42
5.02
8.02
2.12
6.7
8.6
1.6
4.23
8.33
9.43
2.42
8.42
2.52
8.01
7.9
7.8
7.42
8.52
7.62
3.12
7.12
0.22
2.8
4.7
7.6
088
)DEM(
0.6
0.7
0.8
0.9
9.11
3.51
6.72
8.82
7.92
1.12
5.12
9.12
2.9
2.8
4.7
1.12
0.22
7.22
5.81
9.81
2.91
0.7
3.6
7.5
1.03
4.13
4.23
0.22
5.22
9.22
0.01
0.9
1.8
0.32
0.42
8.42
3.91
6.91
0.02
7.7
8.6
2.6
21
0021
)HGIH(
5.6
5.7
5.8
4.01
6.31
1.71
8.43
3.63
6.73
6.72
1.82
6.82
7.01
7.9
8.8
6.62
8.72
7.82
3.42
7.42
1.52
2.8
4.7
8.6
0.83
6.93
0.14
7.82
3.92
9.92
7.11
6.01
6.9
0.92
2.03
3.13
2.52
7.52
1.62
9.8
1.8
4.7
0301
)DEM(
5.6
5.7
5.8
4.01
6.31
1.71
0.23
3.33
4.43
6.42
1.52
5.52
8.9
9.8
1.8
4.42
4.52
3.62
6.12
0.22
3.22
5.7
8.6
2.6
9.43
3.63
5.73
6.52
2.62
6.62
7.01
7.9
8.8
6.61
8.71
7.82
4.22
9.22
2.32
2.8
4.7
7.6
WOR3-YTICAPACGNITAEHRETAWTOH
TINU
EZIS
LLA(
)SLEDOM
MFC MPG
.D.P
.TF(
).RTW
)0001(HUTBGNITAEH
RETAWGNIRETNETA
ERUTAREPMET
TINU
EZIS
LLA(
)SLEDOM
MFC MPG
.D.P
.TF(
).RTW
)0001(HUTBGNITAEH
RETAWGNIRETNETA
ERUTAREPMET
F°041 F°061 F°081 F°041 F°061 F°081
3
082
)HGIH(
5.1
5.2
5.3
0.4
0.9
3.51
8.41
7.51
2.61
0.91
2.02
7.02
3.32
7.42
4.52
8
008
)HGIH(
0.4
0.5
0.6
2.7
9.01
3.51
6.04
8.14
6.24
3.25
8.35
8.45
9.36
7.56
0.76
042
)DEM(
5.1
5.2
5.3
0.4
0.9
3.51
4.31
0.41
4.41
2.71
0.81
5.81
0.12
1.22
6.22
086
)DEM(
0.4
0.5
0.6
2.7
9.01
3.51
5.63
4.73
1.83
9.64
1.84
9.84
3.75
8.85
8.95
4
004
)HGIH(
5.1
5.2
5.3
9.3
0.01
7.81
4.02
0.22
8.22
3.62
3.82
3.92
1.23
6.43
8.53
01
0001
)HGIH(
0.5
5.6
0.8
4.6
4.01
3.51
3.45
1.65
4.75
8.96
2.27
8.37
3.58
2.88
2.09
023
)DEM(
5.1
5.2
5.3
9.3
0.01
7.81
7.71
8.81
3.91
8.22
1.42
8.42
8.72
5.92
3.03
088
)DEM(
0.5
5.6
0.8
4.6
4.01
3.51
7.94
4.15
4.25
9.36
0.66
4.76
1.87
7.08
4.28
6
006
)HGIH(
0.3
0.4
0.5
5.6
3.11
4.71
1.13
2.23
9.23
9.93
4.14
3.24
8.84
6.05
7.15
21
0021
)HGIH(
5.5
0.7
5.8
7.7
0.21
1.71
4.46
5.66
9.76
8.28
5.58
3.78
2.101
5.401
8.601
034
)DEM(
0.3
0.4
0.5
5.6
3.11
4.71
7.42
4.52
8.52
8.13
6.23
2.33
9.83
9.93
6.04
0301
)DEM(
5.5
0.7
5.8
7.7
0.21
1.71
1.85
8.95
0.16
8.47
9.67
5.87
4.19
0.49
9.59
Note: Ratings at 70°F entering air temperature
-2-
4 Row Performance Data
WOR4-YTICAPACGNILOOCRETAWDELLIHC
TINU
EZIS
LLA(
)SLEDOM
MFC MPG
.D.P
.TF(
).RTW
RETAWGNIRETNEF°54 RETAWGNIRETNEF°24
BWF°76/BDF°08
RIAGNIRETNE
BWF°36/BDF°57
RIAGNIRETNE
BWF°76/BDF°08
RIAGNIRETNE
BWF°36/BDF°57
RIAGNIRETNE
LATOT
HBM
.SNES
HBM
.PMET
ESIR
LATOT
HBM
.SNES
HBM
.PMET
ESIR
LATOT
HBM
.SNES
HBM
.PMET
ESIR
LATOT
HBM
.SNES
HBM
.PMET
ESIR
3
082
)HGIH(
0.1
0.2
0.3
8.1
5.6
9.31
7.6
9.8
8.9
1.6
0.7
3.7
8.41
9.9
2.7
7.5
5.7
3.8
4.5
1.6
4.6
3.11
5.7
5.5
1.8
8.01
8.11
3.6
3.7
7.7
2.61
8.01
9.7
2.6
2.8
0.9
5.5
4.6
7.6
3.21
2.8
0.6
042
)DEM(
0.1
0.2
0.3
8.1
5.6
9.31
5.6
3.8
1.9
5.5
3.6
6.6
4.41
2.9
7.6
5.5
0.7
6.7
9.4
5.5
7.5
0.11
0.7
1.5
8.7
0.01
9.01
8.5
6.6
0.7
6.51
0.01
2.7
0.6
6.7
3.8
1.5
7.5
0.6
0.21
6.7
5.5
4
004
HGIH(
0.1
0.2
0.3
4.2
2.8
8.61
5.01
3.21
4.31
1.8
6.9
2.01
1.81
1.31
8.9
1.8
0.01
3.11
1.8
4.8
9.8
1.61
0.01
5.7
9.9
3.41
1.61
4.8
0.01
7.01
7.91
3.41
7.01
9.8
9.01
3.21
4.8
7.8
3.9
8.71
9.01
2.8
023
)DEM(
0.1
0.2
0.3
4.2
2.8
8.61
8.9
1.11
0.21
1.7
3.8
8.8
5.71
9.11
8.8
7.6
1.9
0.01
3.6
2.7
6.7
4.31
1.9
7.6
5.9
9.21
3.41
4.7
7.8
2.9
1.91
9.21
6.9
3.7
9.9
9.01
5.6
5.7
9.7
6.41
9.9
3.7
6
006
)HGIH(
5.2
5.3
5.4
6.5
2.01
0.61
0.71
6.81
6.91
2.31
1.41
7.41
4.31
0.11
2.9
8.21
7.41
8.51
6.11
4.21
8.21
2.01
4.8
0.7
2.81
0.12
6.22
7.31
8.41
4.51
6.41
0.21
0.01
931
1.61
3.71
1.21
9.21
4.31
1.11
2.9
7.7
034
)DEM(
5.2
5.3
5.4
6.5
2.01
0.61
7.41
8.51
5.61
7.01
3.11
7.11
9.11
4.9
7.7
3.11
6.21
3.31
3.9
8.9
1.01
1.9
2.7
9.5
2.61
0.81
0.91
2.11
9.11
3.21
0.31
3.01
4.8
4.21
7.31
5.41
7.9
3.01
6.01
9.9
8.7
4.6
8
008
)HGIH(
0.4
0.5
0.6
9.8
3.31
4.81
1.22
8.32
1.52
3.81
0.91
6.91
3.21
6.01
3.9
7.81
2.02
2.12
1.61
6.61
1.71
4.9
1.8
1.7
7.62
8.82
3.03
2.91
9.91
5.02
4.31
5.11
1.01
4.02
0.22
1.32
7.61
4.71
8.71
2.01
8.8
7.7
086
)DEM(
0.4
0.5
0.6
9.8
3.31
4.81
7.02
0.22
9.22
5.61
0.71
4.71
4.11
7.9
4.8
4.71
5.81
3.91
4.41
8.41
2.51
7.8
4.7
4.6
8.42
4.62
6.72
2.71
9.71
3.81
4.21
6.01
2.9
0.91
2.02
1.12
0.51
5.51
8.51
5.9
1.8
0.7
01
0001
)HGIH(
5.5
5.7
5.9
9.5
2.01
4.51
7.92
0.13
1.23
8.32
0.52
8.52
1.11
0.9
6.7
4.32
9.52
4.72
9.02
9.12
5.22
5.8
9.6
8.5
3.33
0.73
1.93
8.42
2.62
0.72
1.21
9.9
2.8
5.51
2.82
9.92
7.12
9.22
5.32
3.9
5.7
3.6
088
)DEM(
5.5
5.7
5.9
9.5
2.01
4.51
6.72
8.82
7.92
6.12
7.22
4.32
4.01
4.8
0.7
7.12
0.42
4.52
9.81
8.91
4.02
9.7
4.6
3.5
0.13
3.43
2.63
6.22
8.32
6.42
3.11
1.9
6.7
7.32
2.62
7.72
7.91
7.02
3.12
6.8
0.7
8.5
21
0021
)HGIH(
5.7
5.8
5.9
7.01
7.31
0.71
8.43
3.63
6.73
4.92
9.92
4.03
4.01
5.9
8.8
9.92
9.03
8.13
8.52
2.62
6.62
0.8
3.7
7.6
6.24
1.44
4.54
8.03
3.13
8.13
4.11
4.01
6.9
6.23
7.33
7.43
9.62
3.72
7.72
7.8
9.7
3.7
0301
)DEM(
5.7
5.8
5.9
7.01
7.31
0.71
8.53
0.73
0.83
2.62
7.62
0.72
5.9
7.8
0.8
4.72
3.82
0.92
9.22
3.32
6.32
3.7
7.6
1.6
0.93
3.04
4.14
4.72
9.72
4.82
4.01
5.9
7.8
8.92
8.03
7.13
9.32
3.42
6.42
9.7
2.7
7.6
WOR4-YTICAPACGNITAEHRETAWTOH
TINU
EZIS
LLA(
)SLEDOM
MFC MPG
.D.P
.TF(
).RTW
)0001(HUTBGNITAEH
RETAWGNIRETNETA
ERUTAREPMET
TINU
EZIS
LLA(
)SLEDOM
MFC MPG
.D.P
.TF(
).RTW
)0001(HUTBGNITAEH
RETAWGNIRETNETA
ERUTAREPMET
F°041 F°061 F°081 F°041 F°061 F°081
3
082
)HGIH(
5.1
5.2
5.3
8.3
9.9
5.81
8.51
7.61
2.71
3.02
5.12
1.22
8.42
3.62
0.72
8
008
)HGIH(
0.3
5.4
0.6
4.5
0.11
4.81
5.14
2.44
6.54
3.35
8.65
6.85
2.56
4.96
7.17
042
)DEM(
5.1
5.2
5.3
8.3
9.9
5.81
2.41
9.41
2.51
2.81
1.91
6.91
3.22
4.32
0.42
086
)DEM(
0.3
5.4
0.6
4.5
0.11
4.81
3.73
4.93
6.04
9.74
7.05
2.25
6.84
9.16
7.36
4
004
)HGIH(
0.1
0.2
0.3
4.2
2.8
8.61
9.91
8.22
9.32
6.52
3.92
7.03
3.13
8.53
6.73
01
0001
)HGIH(
0.6
0.8
0.01
9.6
4.11
9.61
6.85
7.06
0.26
3.57
0.87
8.97
0.29
3.59
4.79
023
)DEM(
0.1
0.2
0.3
4.2
2.8
8.61
4.71
5.91
2.02
4.22
0.52
0.62
4.72
6.03
8.13
088
)DEM(
0.6
0.8
0.01
9.6
4.11
9.61
5.35
3.55
4.65
8.86
1.17
5.27
1.48
9.68
6.88
6
006
)HGIH(
5.2
5.3
5.4
6.5
2.01
0.61
7.13
4.33
4.43
7.04
0.34
2.44
8.94
5.25
0.45
21
0021
)HGIH(
0.6
0.8
0.01
0.7
2.21
7.81
7.86
4.17
1.37
3.88
8.19
0.49
0.801
2.211
9.411
034
)DEM(
5.2
5.3
5.4
6.5
2.01
0.61
3.52
3.62
9.62
5.23
8.33
6.43
8.93
4.14
3.24
0301
)DEM(
0.6
0.8
0.01
0.7
2.21
7.81
8.16
0.46
4.56
5.97
3.28
1.48
2.79
3.001
8.201
Note: Ratings at 70°F entering air temperature
-3-
Loading...