Related Manuals for Zehnder Rittling FVH series
Summary of Contents for Zehnder Rittling FVH series
- Page 1 Vertical Hi-Stack Fan Coil Installation, Operation and Maintenance Heating Cooling Fresh Air Clean Air...
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Page 2: Table Of Contents
Airflow arrangements General data Dimensions and data General information Safety considerations Receiving Unpacking and preparation Installation Ductwork connections Wiring diagram Electrical connections Enclosing unit Start-up Water systems EC Motor Control operations Maintenance Replacement parts Troubleshooting IMPORTANT: Approved submittal documentation, Equipment start-up checklist specific to each project, supersedes the general Warranty guidelines contained within this document. -
Page 3: Airflow Arrangements
Airflow arrangements BACK Riser and supply air discharge designations LEFT RIGHT Example: BFNN B = Riser location O.A. O.A. F = Supply air 1 location N = Supply air 2 location FRONT N = Outside air location Back Front Left Right None Single supply... -
Page 4: General Data
General data Unit size Total MBH 11.6 15.3 18.7 24.0 29.4 31.6 Sensible MBH 11.2 14.2 17.2 22.6 24.8 Certified cooling capacity (3 row main coil) PD, ft. of H 10.2 14.8 27.8 16.1 19.2 Total MBH 13.5 18.2 23.0 27.3 36.8 39.5... -
Page 5: Dimensions And Data
„ Risers available from 3/4" to 2-1/2" diameter with 1/2" or 3/4" thick „ All listed dimensions are approximate and are subject to change insulation without notice. Modifications to the product specifications must be „ Riser length is 104"-115" standard accepted by Zehnder Rittling at its base office. Dimensions and data... - Page 6 „ Risers available from 3/4" to 2-1/2" diameter with 1/2" or 3/4" thick „ All listed dimensions are approximate and are subject to change insulation without notice. Modifications to the product specifications must be „ Riser length is 104"-115" standard accepted by Zehnder Rittling at its base office.
- Page 7 „ Outside air damper opening is located on left or right side of unit „ All listed dimensions are approximate and are subject to change without notice. Modifications to the product specifications must be accepted by Zehnder Rittling at its base office. Dimensions and data...
- Page 8 „ Risers available from 3/4" to 2-1/2" diameter with 1/2" or 3/4" thick „ All listed dimensions are approximate and are subject to change insulation without notice. Modifications to the product specifications must be „ Riser length is 104"-115" standard accepted by Zehnder Rittling at its base office.
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Page 9: Dimensional Data
Dimensions and data Single deflection grille Dimensional data Individually adjustable blades Grille size 14" x 16" 17-11/16" 15-11/16" 15-11/16" 13-11/16" 1-1/4" 12" x 14" 15-11/16" 13-11/16" 13-11/16" 11-11/16" 7" x 16" 17-11/16" 15-11/16" 8-11/16" 6-11/16" 6" x 14" 15-11/16" 13-11/16" 7-11/16"... - Page 10 Dimensions and data Aluminum discharge grille, double deflection with opposed blade damper 5/32" Individually adjustable blades on 2/3" spacing 1-1/4" Slide operator 5/8" 2-13/16" 2/3" One piece extruded frame Dimensional data Grille size 14" x 16" 17-11/16" 15-11/16" 15-11/16" 13-11/16" 12"...
- Page 11 Modifications to the product specifications must be „ Optional grille does not come with a frame accepted by Zehnder Rittling at its base office. „ Contact the factory regarding extended front panels for additional „ * Add 8-1/4" when ordering electric heat option control panel access and/or ADA mounting of thermostats „...
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Page 12: General Information
Your equipment is initially of all authorities having protected under the Zehnder Rittling jurisdiction and must conform to All power must be disconnected standard 2-year warranty provided all applicable codes. Only trained... -
Page 13: Receiving
Concealed work is begun. Zehnder Rittling is to offer added protection during damage not discovered during not responsible for any repairs or shipment and job site storage. -
Page 14: Unpacking And Preparation
Unpacking and All units are carefully inspected Once the equipment is properly at the factory throughout the positioned on the job site, cover preparation entire fabrication and assembly the unit openings with either a processes under Zehnder shipping carton, vinyl film, or an Rittling’s stringent quality equivalent protective covering. -
Page 15: Installation
Handling and Preliminary installation installation While all equipment is designed Although Zehnder Rittling does Zehnder Rittling assumes no not become involved with the for durability and fabricated responsibility for personal injury with heavy gauge materials design and selection of support... - Page 16 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 Make sure that the drain pan cover is in place prior to an inserted length of approximately 2 inches. This start-up.
- Page 17 Installation of risers must be provided by installing contractors. positioning, fastening The riser connection joints should be hydrostatically tested and testing Once all field riser joints for leaks before furring in the are completed and the riser unit. assembly is properly anchored, a hydrostatic test for leaks should be made, but test pressure must Pressure of water column alone...
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Page 18: Ductwork Connections
These and installed damper in the top discharge duct. units may be damaged by operation without the proper Zehnder Rittling assumes no ductwork connected. Consult the approved submittals and the responsibility for undesirable system operation due to improper product catalog for unit external static pressure limitations. -
Page 19: Wiring Diagram
Wiring diagram 120V MANUAL MOTOR STARTER PSC MOTOR ( OPTIONAL ) ( OPTION ) WHITE WHITE WHITE BLOWER MOTOR SEE MOTOR CHART FOR WIRE COLORS YELLOW YELLOW MOTOR QUICK CONNECT ( OPTIONAL ) DAMPER MOTOR *BROWN *BROWN TERMINATED 3-SPEED SWITCH IF NO DAMPER MOTOR CONTROL PACKAGE ( OPTIONAL ) - Page 20 Wiring schematic 208V/240V/277V BLACK BLACK BLACK BLOWER MOTOR MOTOR QUICK CONNECT BLACK BLACK SEE WIRE CHART FOR WIRE COLORS BLACK BLACK BLACK BLOWER MOTOR MOTOR QUICK CONNECT CONTROL PACKAGE LOCATION BLACK BLACK SEE WIRE CHART IF A CONTROL PACKAGE IS ORDERED, FOR WIRE COLORS REFER TO CORRESPONDING SCHEMATIC FOR WIRING LAYOUT...
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Page 21: Electrical Connections
Only qualified personnel should perform service and installation. All field wiring connecting to this type of unit must be 105 °F Zehnder Rittling assumes no rated copper conductor and responsibility for any damages should be in accordance with and/or injuries from improper the National Electrical Code field installation and/or wiring. -
Page 22: Enclosing Unit
Enclosing unit The units should not be operated Extreme care is necessary when at anytime without complete driving screws in the vicinity of All wall framing is the enclosure, supply grille, return the control box, heat exchange responsibility of others. air grille, and filter in place. - Page 23 Back-to-back (FVA/FVB) installation The installation instructions included in this manual are provided to meet the requirements of UL1479. Riser chase Some jurisdictions may require additional or different plate installation methods; therefore, consult with the authority having jurisdiction for specific differences. For these cases, the requirements defined by the 2"...
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Page 24: Start-Up
Start-up Before beginning any start- After installation and prior to up, the start-up personnel start-up, be sure filter is clean should take the time to and free of any construction familiarize themselves with dirt, etc. If not, the filter should the unit, options, accessories be replaced. -
Page 25: Water Systems
300 – 500 ppm alkalinity Particulate quantity < 10 ppm All Zehnder Rittling water coils are Particulate size 800 micron max constructed of copper tubes and headers while multiple brass and bronze alloys may be present in the valve packages. -
Page 26: Water System
Water system A complete knowledge of the After the proper system hydronic system, including its operation is established, the balancing components and controls, is appropriate operating conditions essential to proper water system such as water temperatures, flow balancing and should only be rates and pressure drops should completed by a qualified expert. -
Page 27: Ec Motor
EC Motor 3-speed control 0-10 VDC control card card If the unit is equipped with an EC motor, additional steps may be The unit has been factory The 0-10 VDC control card is required during the air balancing configured to produce the same not configured at the factory process. -
Page 28: Maintenance
Zehnder Rittling recommends using from the line, or the drain tube unit log should be established neutral pH cleaners. Avoid the use may be removed through the and maintained. - Page 29 Maintenance and ANY condition that causes the use only the exact type, size high limit cutout to operate MUST and voltage component as be corrected immediately. High furnished from the factory. Any periodically using a brush and supply voltage also causes excessive deviation from this could result vacuum cleaner, taking care not amperage draw and may trip the...
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Page 30: Replacement Parts
Complete unit model number „ „ local Zehnder Rittling Sales RGA attached will cancel any Representative. Unit serial number „ „ outstanding credit. -
Page 31: Troubleshooting
Troubleshooting Symptom Possible cause Corrective action No power to unit. Apply proper power to unit. Apply correct power to unit and check for damaged components and/or blown Incorrect power to unit. fuses, if furnished. Power distribution panel switch or circuit breaker in “OFF” Turn power distribution panels switch or circuit breaker to “ON”... - Page 32 Troubleshooting Symptom Possible cause Corrective action Incorrect power applied to unit. Apply correct power to unit. Fan motor hums Defective motor capacitor. Replace with known good capacitor. and/or gets hot, but Defective fan motor. Replace defective motor. operates at reduced Reposition blower wheel for proper alignment in housing, or replace if speed or not Blower wheel stuck in housing.
- Page 33 Troubleshooting Symptom Possible cause Corrective action No power to electric heating circuit on units with dual point Establish power to electric heating circuit. power. Loose or improper wiring from Verify all wiring connections and terminations, verify proper wiring of thermostat to electric heating thermostat.
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Page 34: Equipment Start-Up Checklist
Equipment start-up checklist Receiving and inspection Electrical connections Unit received undamaged Refer to unit wiring diagram „ „ „ „ Unit received complete as ordered „ „ Connect incoming power service or services „ „ Unit arrangement and handing is correct Install and connect “shipped loose”... -
Page 35: Warranty
Warranty Zehnder Rittling guarantees its Defects arising from damage products to be free from defects due to shipment, improper in material and workmanship for installation, negligence or misuse a period of two years from date by others are not covered by this of shipment from our factory. - Page 36 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...
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