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WARNING
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.
IMPORTANT
1. The use of this manual is specifically intended
for a qualified installation and service agency.
A qualified installation and service agency must
perform all installation and service of these
appliances.
2. VFV, VFF, VSV and VSF units with DX
evaporator coils contain the refrigerant R-410A.
Review the R-410A Material Safety Data Sheet
(MSDS) for hazards and first aid measures.
3. Refrigerant charging should only be carried out
by an EPA-certified air conditioning contractor.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
INSTALLATION AND SERVICE MANUAL
Valedictorian
THIS MANUAL IS THE PROPERTY OF THE OWNER.
Vertical Unit Ventilator
TM
Models VFV, VFF, VSV, and VSF
WARNING
This unit contains 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.
Inspection On Arrival
1. Inspect unit upon arrival. In case of damage, report it
immediately to transportation company and your local factory
sales representative.
2. Check rating plate on unit to verify that power supply meets
available electric power at the point of installation.
3. Inspect unit received for conformance with description of
product ordered (including specifications where applicable).
14-500.4
5H1034420001
August, 2020
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Summary of Contents for Modine Manufacturing Valedictorian VFV
- Page 1 14-500.4 5H1034420001 August, 2020 INSTALLATION AND SERVICE MANUAL Valedictorian Vertical Unit Ventilator Models VFV, VFF, VSV, and VSF WARNING WARNING Improper installation, adjustment, alteration, This unit contains R-410A high pressure refrigerant. service or maintenance can cause property Hazards exist that could result in personal injury damage, injury or death, and could cause or death.
- Page 2 SPECIAL PRECAUTIONS SPECIAL PRECAUTIONS CAUTION THE INSTALLATION AND MAINTENANCE INSTRUCTIONS IN THIS MANUAL MUST BE FOLLOWED TO PROVIDE 4. Do not operate the units within steam pressure greater SAFE, EFFICIENT, AND TROUBLE-FREE OPERATION. IN than 10 PSIG. Steam pressure must be 10 PSIG or lower ADDITION, PARTICULAR CARE MUST BE EXERCISED to avoid excessive discharge air temperatures that could REGARDING THE SPECIAL PRECAUTIONS LISTED BELOW.
- Page 3 UNIT LOCATION Table 3.1 - SI (Metric) Conversion Factors Drainage Units with cooling coils have a condensate drain pan connection To Convert Multiply By To Obtain To Convert Multiply By To Obtain and 3/4" ID condensate line. The condensate drain pan "W.C.
- Page 4 START-UP PROCEDURE Figure 4.2 - Typical 2-Way Piping Installation Figure 4.1 - Leveling Leg Location Figure 4.3 - Typical 3-Way Piping Installation Piping Installation - Chilled/Hot Water Coils CAUTION 1. Units not approved for use in potable water systems. 2. Hot water supplied to the hot water heating option must not exceed 200°F temperature or 125 PSIG pressure.
- Page 5 INSTALLATION Piping Installation - Steam Coils Installation of wiring must conform with local building codes, or in the absence of local codes, with the National Electric CAUTION Code ANSI/NFPA 70 - Latest Edition. Unit must be electrically grounded in conformance to this code. In Canada, wiring must comply with CSA C22.1, Part 1, Electrical Code.
- Page 6 START-UP PROCEDURE START-UP PROCEDURE 9. During the unit operation, measure and record all the information that is required to complete the Start-Up Sheets that are supplied with the unit. Copy the information onto the IMPORTANT Start-Up Sheets (Figures 9.1 and 10.1) in this manual for your records.
- Page 7 START-UP PROCEDURE Typical Sequence of Operation Hot Water or Steam with Valve Control Units with a hot water or steam coil and non-Carel controls desiring valve control shall use a spring-return, normally open Supply Fan modulating valve operated by a proportional signal (2-10VDC) The supply fan shall run at all times when unit is in occupied or a tri-state (24VAC) signal.
- Page 8 SEQUENCE OF OPERATION Condensate Pump (Optional) shall open proportionally based on how many degrees the room temperature is from the setpoint. The adjustable proportional On units equipped with a condensate pump, the pump shall band on the Carel controller is set to a default 1˚F (example: begin to run once the condensate reaches a set level.
- Page 9 START-UP SHEET - EXAMPLE Figure 9.1 - Start-Up Sheet - EXAMPLE Page 1 14-500.4...
- Page 10 START-UP SHEET - EXAMPLE Figure 10.1 - Start-Up Sheet - EXAMPLE Page 2 14-500.4...
- Page 11 DIMENSIONAL DATA Figure 11.1 - Dimensions - 16-5/8" Depth - Flat Top Unit Table 11.1 - Unit Width Dimensions Dimensions (inches) Model Size 1000 1250 1500 14-500.4...
- Page 12 DIMENSIONAL DATA Figure 12.1 - Dimensions - 21-7/8" Depth - Flat Top Unit Table 12.1 - Unit Width Dimensions Dimensions (inches) Model Size 1000 1250 1500 14-500.4...
- Page 13 DIMENSIONAL DATA Figure 13.1 - Dimensions - 16-5/8" Depth - Slope Top Unit Table 13.1 - Unit Width Dimensions Dimensions (inches) Model Size 1000 1250 1500 14-500.4...
- Page 14 DIMENSIONAL DATA Figure 14.1 - Dimensions - 21-7/8" Depth - Slope Top Unit Table 14.1 - Unit Width Dimensions Dimensions (inches) Model Size 1000 1250 1500 14-500.4...
- Page 15 PIPING LOCATIONS Figure 15.1 - Chilled Water Coil with Optional Figure 15.2 - Chilled Water Coil with Pre-Heat Reheat Piping Locations Piping Locations Chilled Water Coil Only, 2-Pipe Chilled Water/Hot Chilled Water Coil with Pre-Heat Coil Only Water, or Chilled Water Coil with Reheat Coil Note: Supply and Return connection locations represent counterflow orientation (recommended). Unit should be piped up in accordance with good plumbing practices.
- Page 16 PIPING LOCATIONS Figure 16.1 - DX Cooling (Size 750 Only) with Optional Reheat Piping Locations Size 750 DX Cooling Coil Only or DX Cooling Coil with Reheat Coil Table 16.1 - DX Cooling Coil Piping Locations j Dimensions (inches) Unit Depth Model Size 16 5/8 14.25...
- Page 17 PIPING LOCATIONS Figure 17.1 - DX Cooling with Optional Reheat Piping Locations Size 1000, 1250, 1500 DX Cooling Coil Only or DX Cooling Coil with Reheat Coil Table 17.1 - DX Cooling Coil Piping Locations j Dimensions (inches) Unit Depth Model Size 16 5/8 1000, 1250, 1500...
- Page 18 PIPING LOCATIONS Figure 18.1 - Hot Water Heating Coil Piping Locations Hot Water Heating Coil Only or Chilled Water/DX Cooling Coil with Hot Water Pre-Heat Coil Note: Supply and Return connection locations represent counterflow orientation (recommended). Unit should be piped up in accordance with good plumbing practices. Table 18.1 - Hot Water Heating Coil Piping Locations j Dimensions (inches) Unit Depth Coil Rows 1-Row...
- Page 19 PIPING LOCATIONS Figure 19.1 - Steam Heating Coil Piping Locations Steam Heating Coil Only or Chilled Water/DX Cooling Coil with Steam Pre-Heat Coil Table 19.1 - Steam Heating Coil Piping Locations j Dimensions (inches) Unit Depth Coil Rows 16 5/8 1-Row 12.25 4.00...
- Page 20 PIPING LOCATIONS Figure 20.1 - Chilled Water Piping Package with Optional Reheat Piping Locations Chilled Water Coil Only, 2-Pipe Chilled Water/Hot Water, or Chilled Water Coil with Reheat Coil j Condensate drain connection located in right end compartment. Figure 20.2 - Chilled Water Piping Package with Pre-Heat Piping Locations Chilled Water Coil with Pre-Heat Coil Only j Condensate drain connection located in right end compartment.
- Page 21 PIPING LOCATIONS Figures 21.1 & 21.2 - DX Cooling Piping Package with Optional Reheat Piping Locations DX Cooling Coil Only or DX Cooling with Reheat Coil Unit Size: 750 Unit Size: 1000 / 1250 / 1500 j For Dimensions C and D refer to Tables 31.1 and 31.2. k Condensate drain connection located in right end compartment.
- Page 22 PIPING LOCATIONS Figure 22.1 - Hot Water Piping Package with Optional Cooling Coil Piping Locations Hot Water Heating Coil Only or Chilled Water/DX Cooling Coil with Hot Water Pre-Heat Coil j Condensate drain connection located in right end compartment when unit is equipped with a cooling coil. Figure 22.2 - Hot Water Reheat Piping Package Piping Locations Chilled Water/DX Cooling Coil with Hot Water Reheat Coil j Condensate drain connection located in right end compartment.
- Page 23 PIPING LOCATIONS Figure 23.1 - Steam Heating Piping Package with Optional Cooling Coil Piping Locations Steam Heating Coil Only or Chilled Water/DX Cooling Coil with Steam Pre-Heat Coil j For Dimensions A and B refer to Table 33.1. k Condensate drain connection located in right end compartment when unit is equipped with a cooling coil. Figure 23.2 - Steam Reheat Piping Package Piping Locations Chilled Water/DX Cooling Coil with Steam Reheat Coil j For Dimensions A and B refer to Tabe 33.2.
- Page 24 TECHNICAL DATA Table 24.1 - Technical Data VFF, VSF, VFV, & VSV Units 1000 1250 1500 SUPPLY FAN Direct Drive Centrifugal Fan Quantity Fan Diameter 8.06 8.06 8.06 8.06 Fan Width 7.15 7.15 7.15 7.15 Motor Type (Standard PSC with Thermal Overload Protection Motor Size (Qty 1) Airflow (High/Medium/Low) 750/650/500...
- Page 25 COMPONENT LAYOUT Figure 25.1 - Exploded View Figure 25.2 - 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 Connection, Disconnect Switch and...
- Page 26 When servicing or repairing this equipment, use only factory- Maintenance Schedule approved service replacement parts. A complete replacement parts list may be obtained by contacting Modine Manufacturing Every ONE (1) MONTH Company. Refer to the rating plate on the appliance for With the Disconnect in the “OFF”...
- Page 27 TROUBLESHOOTING Table 27.1 - Troubleshooting - General Trouble Possible Cause Possible Remedy 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 2. Turn the 3-speed selector switch to the “1, 2, or 3” position. “0”...
- Page 28 TROUBLESHOOTING Table 28.1 - Troubleshooting - General Trouble Possible Cause Possible Remedy 1. Low refrigeration charge. 1. Measure unit operating pressures. Add charge and check for leaks. F. DX Split Units Only: 2. Faulty compressor. 2. Replace compressor. Low Discharge Pressure 3.
- Page 29 REPLACEMENT PARTS REPLACEMENT PARTS 1. Full description of part required, including Unit’s part number, if known. For ease of identification when ordering replacement parts or 2. The original equipment serial number. contacting the factory about your unit, please quote the unit type and unit serial number.
- Page 30 SERIAL PLATE Figure 30.1 - Serial Plate EXAMPLE 14-500.4...
- Page 31 THIS PAGE LEFT BLANK INTENTIONALLY 14-500.4...
- Page 32 Burners High Intensity Infrared Units Sheet Metal Parts All Products As Modine Manufacturing Company has a continuous product improvement program, it reserves the right to change design and specifications without notice. Building HVAC Systems Modine Manufacturing Company 1500 DeKoven Avenue Racine, WI 53403 Phone: 1.866.823.1631 (toll free)
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