First Operations 300-1200 CFM user manual

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VFB Series
Application
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 .......................... 3
1 Row Heating Data .............................................. 4
Typical Connection Diagrams ........

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3 Row Performance Data C H ILL E D W A T ER CO OLI N G CA P A C I TY - 3 R O W 4 5° F E NTE RIN G W A T E R 4 2° F E N TER I N G W A T E R U N I T P .D . 80° F DB/67 ° F WB 7 5 ° F DB / 6 3 °F W B 8 0°F D B / 67 ° F W B 7 5 °F D B /6 3° F W B S I Z E CF M GP M ( FT . EN T ERING AI R E NTERI N G AIR ENT E RIN G A IR ENTER I N G A I R ( AL L W T R. ) T O T A L S EN S . T EM P . T O T A L SE N S . TE M P . T O T A L SE N S . T EM P . T O T A L S E NS . TE M P . MODE L S ) MBH M B H R I SE MB H MB H

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4 Row Performance Data C HIL L E D W A T E R CO O LIN G C A P A C ITY - 4 R O W 45 °F ENT E R IN G W A TER 4 2° F EN TERI NG W A T E R U N I T P . D . 80° F DB/6 7°F W B 7 5 ° F DB/63 ° F WB 8 0 °F D B /6 7° F WB 7 5 ° F D B/ 6 3 °F W B S I ZE CF M GP M (F T . E NT ERIN G AIR E NT ERIN G A I R E NT E RIN G AIR E N T E R I N G A IR ( A LL WT R .) T O T AL SEN S . T E M P . T O T A L SE NS . T E M P . T O T AL S E N S. T EMP . T O T A L S E NS . T E MP . M ODEL S ) M BH M BH RISE MBH MBH RI SE M

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1 Row Performance Data H O T W A T E R H E A T I N G C A P A C IT Y - 1 R O W H E A TIN G B T UH ( 10 0 0 ) H E A T I N G B T U H ( 1 000 ) U NI T U N I T P .D . P .D . A T E NT ERIN G W A TER A T E N T E RING W A TER S IZ E SI Z E C F M GP M (F T . C F M GP M ( F T . T E MP ER A T U RE T E M P E R A T U RE (A L L (A L L WT R .) W TR. ) M O D E LS ) M O DE L S ) 14 0°F 16 0 °F 18 0° F 140 ° F 160 ° F 18 0 ° F 1.0 3 . 4 8.2 1 0.6 1 2.9 1.0 5. 7 17 . 6 22. 7 27. 7 2 80 80 0 1 .75 9 .3 8 .9 1 1.4 1

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Model Number Nomenclature 12 VC B 0 - 126 - 31 R - 2B - N1 CFM (100'S) Control Options(see below) 3,4,6,8,10,12 NC = No Controls Unit Style Valve Package VCB - Concealed See page 6 & 7 VSB - Cabinet slope top VFB - Cabinet flat top Coil Connection WCB - Recessed wall R - Right Hand L - Left Hand Vintage Coil Type 3 - 3 row Electric Heat (KW) 4 - 4 row 31 - 3 row cool, 1 row heat 41 - 4 row cool, 1 row heat Unit Voltage 126 - 120V-1PH-60Hz 246 - 208/240V-1PH-60Hz 225 - 220V-1PH-50Hz CONT