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WARNING
1. Improper installation, adjustment, alteration,
service or maintenance can cause property
damage, injury or death, and could cause
exposure to substances which have been
determined by various state agencies to cause
cancer, birth defects or other reproductive
harm. Read the installation, operating and
maintenance instructions thoroughly before
installing or servicing this equipment.
2. Units with DX evaporator coils (Model
Digit 10=5) contain R-410A high pressure
refrigerant. Hazards exist that could result
in personal injury or death. Installation,
maintenance, and service must only be
performed by an HVAC technician qualified
in R-410A refrigerant and using proper tools
and equipment. Due to much higher pressure
of R-410A refrigerant, DO NOT USE service
equipment or tools designed for refrigerants
other than R410A.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
INSTALLATION AND SERVICE MANUAL
Floor and Ceiling Mounted Unit Ventilator
THIS MANUAL IS THE PROPERTY OF THE OWNER.
Models VFV, VFF, VCV, and VCF
Models ZFV, ZFF, ZCV, and ZCF
AVERTISSEMENT
1. Une installation, un réglage, une altération,
une réparation ou une maintenance
impropre risque de causer des dommages,
des blessures ou la mort, et d'engendrer
une exposition à des substances dont
certains États ont déterminé qu'elles
étaient cancérogènes ou pouvaient causer
des malformations à la naissance et des
problèmes de reproduction. Lisez bien les
instructions d'installation, d'utilisation et de
maintenance avant d'installer ou de réparer
cet appareil.
2. Les unités munies de serpentins évaporateurs
DX (reportez-vous à la nomenclature du
modèle) contiennent du fluide frigorigène
à haute pression R-410A. Des dangers
existent qui, s'ils se matérialisent, pourraient
entraîner des blessures ou la mort.
L'installation, l'entretien et le service ne
doivent être effectués que par un technicien
de CVC qualifié quant à l'usage du fluide
frigorigène R-410A en utilisant les outils et
l'équipement appropriés. En raison de la
pression beaucoup plus élevée du fluide
frigorigène R-410A, N'utilisez PAS des outils
ou de l'équipement de service qui ne sont pas
conçus spécifiquement pour le R-410A.
14-500.7
5H1034420001
September, 2023
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Summary of Contents for Modine Manufacturing VFV Series
- Page 1 14-500.7 5H1034420001 September, 2023 INSTALLATION AND SERVICE MANUAL Floor and Ceiling Mounted Unit Ventilator Models VFV, VFF, VCV, and VCF Models ZFV, ZFF, ZCV, and ZCF AVERTISSEMENT 1. Une installation, un réglage, une altération, une réparation ou une maintenance impropre risque de causer des dommages, des blessures ou la mort, et d'engendrer une exposition à...
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Page 2: Table Of Contents
TABLE OF CONTENTS IMPORTANT Special Precautions .............3 Unit Location ................5 1. The use of this manual is specifically intended Installation ................6 for a qualified installation and service agency. Start-Up Procedure ............10 Dimensional Data ...............15 A qualified installation and service agency must Cooling Piping Locations - Floor Units Only .... -
Page 3: Special Precautions
SPECIAL PRECAUTIONS SPECIAL PRECAUTIONS WARNING THE INSTALLATION AND MAINTENANCE INSTRUCTIONS IN THIS MANUAL MUST BE FOLLOWED TO PROVIDE 1. Disconnect power supply before making wiring connections SAFE, EFFICIENT, AND TROUBLE-FREE OPERATION. IN or working on this equipment. Follow all applicable safety ADDITION, PARTICULAR CARE MUST BE EXERCISED procedures to prevent accidental power up. - Page 4 SPECIAL PRECAUTIONS CAUTION IMPORTANT 1. Ensure that the supply voltage to the appliance, as 1. Start up and adjustment procedures, installation, and indicated on the serial plate, is not 5% less than the rated service of these appliances must be performed by a voltage.
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Page 5: Unit Location
UNIT LOCATION Table 5.1 - SI (Metric) Conversion Factors HANDLING Each unit will be shipped to the site secured to a wood skid using metal brackets. Whenever possible, all lifting and handling Convert Multiply By Obtain Convert Multiply By Obtain of the unit should be done with the packing and skid in position. -
Page 6: Installation
INSTALLATION INSTALLATION - FLOOR MOUNTED INSTALLATION - CEILING MOUNTED (MODEL DIGIT 2=F) UNITS (MODEL DIGIT 2=C) UNITS The instructions detailed below are for the Installation of a Note: (Ceiling Mounted Units proceed to the next section.) “Standard” unit. Accommodations and adjustments will be The instructions detailed below are for the Installation of a required for the usage of additional unit accessories. - Page 7 INSTALLATION Figure 7.1 - Recommended Service Clearance for See Figure 19.1, Figure 19.2, Figure 21.1 & Figure 21.2 for Ceiling Mounted Units supply and return connections . Units with Piping Package (Digit 21=D or H and 22=D or H) Chilled water and hot water piping packages are supplied factory assembled and installed to the coil.
- Page 8 INSTALLATION Piping Installation – Direct Expansion (DX) Piping Installation - Steam Coils Coils CAUTION IMPORTANT Do not operate the units within steam pressure greater than 10 psig (68.9 kPa). Steam pressure must be 10 psig 1. Units with DX evaporator coils contain the refrigerant (68.9 kPa) or lower to avoid excessive discharge air R-410A.
- Page 9 INSTALLATION WIRING Electrical Code. A wiring diagram is provided with each unit. Refer to this WARNING diagram for all wiring connections. Electric wiring and circuit protection must be sized to carry the full load amp draw of the motor, starter and any controls that are used with the 1.
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Page 10: Start-Up Procedure
START-UP PROCEDURE START-UP PROCEDURE UNIT START-UP PROCEDURE Note: For models with DX Cooling, see the installation and IMPORTANT maintenance manual provided with the condensing unit for start-up information. 1. Start up and adjustment procedures, installation, and (DX Cooling models only) Ensure that the condensing unit service of these appliances must be performed by a start-up procedure has been carried out, as detailed in the qualified installation and service agency. - Page 11 SEQUENCE OF OPERATION Chilled Water with Face & Bypass Control TYPICAL SEQUENCE OF OPERATION Units equipped with a chilled water coil and face & bypass The supply fan shall run at all times when unit is in occupied control shall modulate the face & bypass damper via a spring mode.
- Page 12 SEQUENCE OF OPERATION Hot Water and Chilled Water (2-Pipe) with The 2-position valve used on a 2-pipe changeover system shall operate like the 2-position chilled water valve in cooling mode, Valve Control and like the 2-position hot water valve in heating mode. Units with valve control to provide heating and cooling on Condensate Pump (Optional) a single water coil (2-pipe system) and not using Carel...
- Page 13 START-UP SHEET - EXAMPLE Figure 13.1 - Start-Up Sheet - EXAMPLE Page 1 14-500.7...
- Page 14 START-UP SHEET - EXAMPLE Figure 14.1 - Start-Up Sheet - EXAMPLE Page 2 14-500.7...
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Page 15: Dimensional Data
DIMENSIONAL DATA Figure 15.1 - Dimensions - 16-5/8" Depth - Floor Mounted Unit 10.00 ( 254 ) REMOVABLE BOTTOM PANEL (TYP) 1.02 (EACH END) ( 25.9 ) (TYP) 11.50 16.63 ( 292.1 ) ( 422.4 ) (TYP) 2.66 ( 67.4 ) 6.60 TOP VIEW 1.79... - Page 16 DIMENSIONAL DATA Figure 16.1 - Dimensions - 21-7/8" Depth - Floor Mounted Unit 10.00 6.36 5.36 ( 254 ) REMOVABLE BOTTOM PANEL ( 161.7 ) ( 136 ) (TYP) (EACH END) (TYP) 21.83 11.50 ( 292.1 ) (554.5) (TYP) 2.66 ( 67.4 ) TOP VIEW 6.60...
- Page 17 DIMENSIONAL DATA Figure 17.1 - Dimensions - Front Discharge - Ceiling Mounted Unit 1.14 14.00 ( 8 ) ( 28.9 ) OUTSIDE AIR 4.50 16.75 ( 114.3 ) ( 425.4 ) 11.11 ( 282.2 ) REAR VIEW LEFT END VIEW 7.70 ( 195.6 ) Ø1.00 (25.4)
- Page 18 DIMENSIONAL DATA Figure 18.1 - Dimensions - Down Discharge - Ceiling Mounted Unit 1.14 14.00 ( 8 ) ( 28.9 ) ( 355.6 ) OUTSIDE AIR 16.75 4.50 ( 114.3 ) ( 425.4 ) 11.11 ( 282.2 ) ( 6.4 ) REAR VIEW 7.70 ( 195.6 )
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Page 19: Cooling Piping Locations - Floor Units Only
COOLING PIPING LOCATIONS - FLOOR UNITS ONLY CHILLED WATER - NO PIPING PACKAGE Figure 19.2 - Chilled Water Coil with Pre-Heat Coil Figure 19.1 - Chilled Water Coil with or without Option- al Reheat Coil LEFT HAND CONNECTIONS RIGHT HAND CONNECTIONS LEFT HAND CONNECTIONS RIGHT HAND CONNECTIONS AIR FLOW... - Page 20 COOLING PIPING LOCATIONS - FLOOR UNITS ONLY DIRECT EXPANSION (DX) SIZE 750 ONLY - NO PIPING PACKAGE Figure 20.1 - DX Cooling (Size 750) with or without Figure 20.2 - DX Cooling (Size 750) with Pre-Heat Coil Optional Reheat Coil LEFT HAND CONNECTIONS RIGHT HAND CONNECTIONS LEFT HAND CONNECTIONS...
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Page 21: Heating Piping Locations - Floor Units Only
HEATING PIPING LOCATIONS - FLOOR UNITS ONLY HOT WATER HEATING COIL - NO PIPING PACKAGE Figure 21.1 - Hot Water Only or Chilled Water/DX Cooling Coil with Hot Water Pre-Heat Coil LEFT HAND CONNECTIONS RIGHT HAND CONNECTIONS AIR FLOW AIR FLOW COND. -
Page 22: Heating Piping Locations - Floor Units Only
HEATING PIPING LOCATIONS - FLOOR UNITS ONLY STEAM HEATING COIL - NO PIPING PACKAGE Figure 22.1 - Steam Heating Coil Only or Chilled Figure 20.2 Figure 20.4 location see Water/DX Cooling Coil with Steam Pre-Heat Coil Figure 22.2 - Steam Reheat Coil with Chilled Water/DX Cooling Coil LEFT HAND CONNECTIONS RIGHT HAND CONNECTIONS... -
Page 23: Cooling Piping Locations - Floor Units Only
COOLING PIPING LOCATIONS - FLOOR UNITS ONLY CHILLED WATER - WITH PIPING PACKAGE Figure 23.1 - Chilled Water Coil with or without Option- Figure 23.2 - Chilled Water Coil with Pre-Heat Coil al Reheat Coil j Condensate drain connection located in right end compartment. j Condensate drain connection located in right end compartment. - Page 24 COOLING PIPING LOCATIONS - FLOOR UNITS ONLY DIRECT EXPANSION (DX) SIZE 750 ONLY - WITH PIPING PACKAGE Figure 24.1 - DX Cooling Coil Only or DX Cooling with Figure 24.2 - DX Cooling Coil with Pre-Heat Coil Only Reheat Coil Unit Size: 750 Unit Size: 750 Table 20.1...
- Page 25 HEATING PIPING LOCATIONS - FLOOR UNITS ONLY HOT WATER HEATING COIL - WITH PIPING PACKAGE Figure 25.1 - Hot Water Heating Coil Only or Chilled Figure 25.2 - Chilled Water/DX Cooling Coil with Hot Water/DX Cooling Coil with Hot Water Pre-Heat Coil Water Reheat Coil j Condensate drain connection located in right end compartment when unit is j Condensate drain connection located in right end compartment when unit is...
- Page 26 HEATING PIPING LOCATIONS - FLOOR UNITS ONLY STEAM HEATING COIL - WITH PIPING PACKAGE Figure 26.2 - Chilled Water/DX Cooling Coil with Steam Figure 26.1 - Steam Heating Coil Only or Chilled Reheat Coil Water/DX Cooling Coil with Steam Pre-Heat Coil j Condensate drain connection located in right end compartment when unit is j Condensate drain connection located in right end compartment when unit is equipped with a cooling coil.
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Page 27: Technical Data
TECHNICAL DATA Table 27.1 - Technical Data Model Size DESCRIPTION UNITS 1000 1250 1500 Fan Type Direct Drive Centrifugal Fan Quantity Fan Diameter 8.06 8.06 8.06 8.06 SUPPLY FAN Fan Width 7.15 7.15 7.15 7.15 750/650/500 1000/750/600 1250/900/750 1500/1100/900 Airflow (High/Medium/Low) 354/307/236 472/354/283 590/425/354... -
Page 28: Component Layout - Floor Mounted Units
COMPONENT LAYOUT - FLOOR MOUNTED UNITS Figure 28.1 - Exploded View Figure 28.2 - Component Layout Control Panel Blower Motor Freeze Stat (Optional) Face & Bypass Damper Actuator (Optional) Field Installed Piping Outside Air/Return Air Face & Bypass Filters Blowers Electrical Box with Power Damper Actuator Damper... -
Page 29: Component Layout - Ceiling Mounted Units
COMPONENT LAYOUT - CEILING MOUNTED UNITS Figure 29.1 - Exploded View PIPING TOP ACCESS PANELS BASE ASSEMBLY DAMPER ASSEMBLY CONTROL PANEL FILTER COIL ASSEMBLY BLOWER ASSEMBLY PANELS BOTTOM ACCESS PANELS DISCHARGE AIR PANEL ASSEMBLY 14-500.7... -
Page 30: Maintenance
MAINTENANCE MAINTENANCE ATTENTION WARNING 1. Ne tentez pas de réutiliser un composant mécanique ou électrique qui a été mouillé. Ces composants doivent être 1. Disconnect power supply before making wiring connections remplacés. or working on this equipment. Follow all applicable safety 2. -
Page 31: Replacement Parts
MAINTENANCE Maintenance Schedule Every ONE (1) MONTH With the Disconnect in the “OFF” position: check the filter(s) and replace if necessary. Slide the filter(s) out of the track and replace with new filter(s). See Figure 32.1 & Figure 32.3. The filters are positioned under the coil assembly. - Page 32 MAINTENANCE - COMPONENT LOCATION Figure 32.3 - Filter Location - Ceiling Mounted Units Figure 32.1 - Filter Location - Floor Mounted Units FILTER FILTER SUPPORT FILTER/DAMPER BRACKET ACCESS PANEL Figure 32.4 - End Shaft Bearing Cup Location Figure 32.2 - End Shaft Bearing Cup Location FAN SHAFT BEARING 14-500.7...
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Page 33: Troubleshooting
TROUBLESHOOTING Table 33.1 - Troubleshooting - General Trouble Possible Cause Possible Remedy A. Unit Not Operating - Power 1. Unit mounted disconnect in the “OFF” position. 1. Turn the disconnect switch to the “ON” position. 2. Unit mounted 3-speed selector switch in the “0” 2. - Page 34 TROUBLESHOOTING Table 34.1 - Troubleshooting - Continued Trouble Possible Cause Possible Remedy E. DX Split Units Only: Low 1. Low refrigeration charge. 1. Measure unit operating pressures. Add charge and check for leaks. Suction Pressure (LP Switch Tripped) 2. Clogged filter(s). 2.
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Page 35: Model Nomenclature
MODEL NOMENCLATURE Table 35.1 - Model Nomenclature 1 - Product Type (PT) 11 - Heating Option (HO) 21 - Cooling Pipe Package (PC) (Floor Mounted Unit Only) V or Z Ventilator 0 - Hot Water/Chilled Water 2-Pipe 2 - Style (S) 1 - 1-Row Hot Water Coil D - 2-Way Valve, All Components F - Floor Mounted... - Page 36 As Modine Manufacturing Company has a continuous product improvement program, it reserves the right to change design and specifications without notice. Modine Manufacturing Company 1500 DeKoven Avenue Racine, WI 53403 Phone: 1.866.823.1631 www.modinehvac.com 14-500.7 © Modine Manufacturing Company 2023...
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