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- Zehnder Rittling
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- FVA series
- Installation, Operation And Maintenance Manual
Zehnder Rittling FVA series Installation, Operation And Maintenance Manual
Summary of FVA series
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I cooling fresh air clean air heating vertical hi-stack fan coil installation, operation and maintenance.
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Airflow arrangements 1 general data 2 dimensions and data 3 general information 10 safety considerations 10 receiving 11 unpacking and preparation 12 installation 13 ductwork connections 16 wiring diagram 17 electrical connections 19 enclosing unit 20 start-up 22 water systems 23 ec motor 25 control...
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Airflow arrangements top back front right left notes: return air always in front of unit. Access to internal components always through front panel. Sight and sound baffles provided as required, ordered separately. Sight and sound baffle not available with top outlet configurations. The above arrange...
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Notes: airflow under dry conditions. Inlet air 70-80 °f db, 0.05" esp. Cooling capacity based on inlet air 80 °f db, 67 °f wb, 45 °f entering water, 55 °f leaving water, high fan speed. Heating capacity based on inlet air 60 °f db, 180 °f entering water, 160 °f leaving water, high fan speed. Pressur...
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63-5/8" 2-11/16" a b 2-1/4" c f 1-1/4" d e throwaway filter swage front view 3-1/2" 3" 57-1/8" 88" 104" - 115" 2-11/16" 5" 1-3/8" 5" 1-1/4" 18" 37-1/2" 5-3/4" 55-3/16" (door 53-3/4") 13" - 24" piping range control box front access panel “p” trap outside air damper motor blower valve package cooling/...
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Dimensions and data model fvm, master 63-5/8" 2-11/16" a b 2-1/4" c f 1-1/4" d e throwaway filter front view 3-1/2" 3" 57-1/8" 88" 104"- 115" 2-11/16" 5" 1-3/8" 5" 1-1/4" 18" 37-1/2" 5-3/4" 55-3/16" (door 53-3/4") 13" - 24" piping range control box front access panel “p” trap outside air damper moto...
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Dimensions and data 63-5/8" 2-11/16" a b 2-1/4" c f 1-1/4" d e throwaway filter front view 3-1/2" 57-1/8" 88" 2-11/16" 5" 1-3/8" 5" 1-1/4" 18" 37-1/2" 5-3/4" 55-3/16" (door 53-3/4") control box front access panel “p” trap outside air damper motor blower valve package cooling/ heating coil heating co...
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Support frame support frame support frame support frame 63-5/8" 2-11/16" a b 2-1/4" c e d 1-1/4" f 1-1/4" d e 3" throwaway filter swage front view 3-1/2" 3" 57-1/8" 88" 104" -115" 2-11/16" 5" 1-3/8" 5" 1-1/4" 18" 37 1/2" 5-3/4" 55-3/16" (door 53-3/4") 13" - 24" piping range control box front access ...
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Dimensions and data single deflection grille dimensions and data double deflection grille notes dimensions are in inches all dimensions are +/- 1/4 discharge grilles are shipped loose for field installation construction is roll formed aluminum frame and blades standard finish is powder coated and wi...
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Dimensions and data aluminum discharge grille, double deflection with opposed blade damper notes all dimensions are in inches all dimensions are ± 1/4 discharge grilles are shipped loose for field installation vertical blades in the front, horizontal blades in the back, both individually adjustable ...
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*53-9/16" 15-13/16" 2-11/16" 2-1/4" 41-1/16" optional ada thermostat location *55-3/16" 17-5/16" *53-3/4" 16" 1-1/16" *53-9/16" 21-13/16" 2-11/16" 2-1/4" 41-1/16" optional ada thermostat location *55-3/16" 23-5/16" *53-3/4" 22" 1-1/16" *55-11/16" 17-11/16" 8-7/8" 4-7/8" 4-7/8" 1/2" Ø3/16 mounting ho...
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Safety considerations general information this installation and start-up instructions literature is for vertical hi-stack fan coil units. Fan coils are hydronic terminal units designed for year-round cooling or cooling/ heating. Your equipment is initially protected under the zehnder rittling standa...
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General information safety considerations receiving identifies the most serious hazards which will result in severe personal injury or death. Signifies hazards that could result in personal injury or death. Used to identify unsafe practices, which would result in minor personal injury or product and...
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Unpacking and preparation all units are carefully inspected at the factory throughout the entire fabrication and assembly processes under zehnder rittling’s stringent quality assurance program. All major components and subassemblies such as motors, blowers, coils, controls, valve packages and paint ...
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Handling and installation while all equipment is designed for durability and fabricated with heavy gauge materials and may present a robust appearance, great care must be taken to assure that no undue force is applied to the coil, piping, drain connection or other delicate components such as control...
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14 installation positioning, fastening and testing each riser is supplied with a 3-inch swaged portion on the top and sufficient extension at the bottom for an inserted length of approximately 2 inches. This unit-to-unit joint is not intended for full bottoming in the joint. When installing the vert...
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15 of risers must be provided by installing contractors. Once all field riser joints are completed and the riser assembly is properly anchored, a hydrostatic test for leaks should be made, but test pressure must not exceed 250 psi, measured at the bottom of the riser. At this time, prior to insulati...
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16 ductwork connections flexible duct connections should be used on all air handling equipment to minimize vibration transmissions. Insulation and ductwork should be installed to allow servicing of equipment. It is recommended to have sight/ sound baffles installed on dual, opposite side, discharge ...
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Wiring schematics blower motor blue blue *brown terminated if no damper motor ( optional ) *brown blac k blue red damper motor 3-speed switch control package ( optional ) h l m motor quick connect ( optional ) l1 hot (yellow) l2 neutral (whtie) 120v l1 hot 120v l2 neutral gfci receptacle ( optional ...
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Caution: not following proper wiring procedure can cause injury or death wire termination factory wire, not connected wire connection factory wired 16awg factory wired 18awg field wired black blower motor black *brown terminated *brown black blue red 3-speed switch h l m motor quick connect see wire...
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Electrical 19 the electrical service to the unit should be compared to the unit nameplate to verify compatibility. The type and sizing of all wiring and other electrical components such as circuit breakers, disconnect switches, etc. Should be determined by the individual job requirements and should ...
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20 enclosing unit all wall framing is the responsibility of others. Normally the units are enclosed in the field-furnished drywall enclosure. The enclosure can be furred out from the unit with studs or the drywall can be attached directly to the sheet- metal cabinet. For maximum sound attenuation, u...
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Back-to-back (fva/fvb) installation the wall studs may be mechanically fastened to the back-to-back fan coil within the riser chase plate recess. Install studs from top of unit to ceiling at all four corners (see figure 1:c). Care should be taken, however, not to penetrate the supply or return water...
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22 after installation and prior to start-up, be sure filter is clean and free of any construction dirt, etc. If not, the filter should be replaced. Failure to do so could result in damage to the equipment or building while voiding all manufacturer’s warranties. If the unit is installed during the wi...
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23 water system prior to water system start-up and balancing, the chilled and hot water systems should be flushed to clean out dirt and debris which may have collected in the piping during construction. All unit service valves should be in the closed position during this procedure to prevent debris ...
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24 water system balancing a complete knowledge of the hydronic system, including its components and controls, is essential to proper water system balancing and should only be completed by a qualified expert. The system must be complete, and all components must be in operating condition before beginn...
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25 ec motor if the unit is equipped with an ec motor, additional steps may be required during the air balancing process. Review project submittals or order acknowledgment to determine what type of ec motor control is provided. Alternatively, match the control board to the illustrations. The unit has...
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26 maintenance general each unit on a project will have its own unique operating environment and conditions which dictate a maintenance schedule for that unit that may be different from other equipment on the project. A formal regular maintenance schedule and an individual unit log should be establi...
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27 periodically using a brush and vacuum cleaner, taking care not to dislodge the factory applied balancing weights on the blower wheel blades. Clean the blower at every inspection. Any blower or motor that is not properly maintained will not be covered under the manufacturer’s warranty. Electric he...
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28 maintenance associated with these types of filters, negatively affecting unit performance. Cleanable filters these types of filters should be inspected and cleaned on a regular basis, similar to the maintenance schedule used for throwaway filters. The time interval between cleaning is dependent u...
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29 symptom possible cause corrective action unit not operating no power to unit. Apply proper power to unit. Incorrect power to unit. Apply correct power to unit and check for damaged components and/or blown fuses, if furnished. Power distribution panel switch or circuit breaker in “off” position. T...
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30 symptom possible cause corrective action fan motor hums and/or gets hot, but operates at reduced speed or not at all incorrect power applied to unit. Apply correct power to unit. Defective motor capacitor. Replace with known good capacitor. Defective fan motor. Replace defective motor. Blower whe...
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Troubleshooting symptom possible cause corrective action fan operates but no heating (electric heating units) no power to electric heating circuit on units with dual point power. Establish power to electric heating circuit. Loose or improper wiring from thermostat to electric heating contactor. Veri...
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32 equipment start-up checklist receiving and inspection unit received undamaged unit received complete as ordered unit arrangement and handing is correct unit structural support is complete and correct handling and installation mounting grommets/isolators are used unit mounted level and square prop...
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33 warranty zehnder rittling guarantees its products to be free from defects in material and workmanship for a period of two years from date of shipment from our factory. Should there be any defects in the good(s), the purchaser should promptly notify zehnder rittling. Upon receipt of written consen...
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Zehnder rittling · 100 rittling boulevard · buffalo, ny usa 14220 t 844-934-6337 (844-zehnder) · f 716-827-6523 sales@zehnder-rittling.Com · www.Zehnder-rittling.Com © zehnder rittling may 2015, english, subject to change without notice.