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4HZ32G thru 4HZ59G, 5DVN6 thru 5DVN9, 5DVP0 thru 5DVP9, 5DVR0 thru 5DVR4, Dayton Operating Instructions and Parts Manual 6KWH7 thru 6KWH9, 6KWJ0 thru 6KWJ3 Dayton° Centrifugal Direct -Drive Upblast Exhaust Ventilators Maintenance the usage and severity of the 4. Follow NEC 70 for cleaning 2. Defective motor Disconnect and contaminated air, a regularly . 3. Incorrectly wired when ventilators are installed on O WARNING lockout power source scheduled inspection for cleaning Restaurant Exhaust Appliances. before servicing. the fan wheel, ventilator, and 5. Follow motor manufacturer's Uneven cleaning surrounding areas should be Excessive noise or vibration instructions for motor lubrication, CAUTION of the wheel will. established. Severe applications may 6. For disassembly of the motor or 3. Ventilator base not securely anchored produce an out of balance condition require weekly inspection. 4. Motor cover loose and rattling wheel; refer to the parts illustration. that will cause vibration ill the 2. Check for unusual noises when fan is 5. Replace wheel Motor overloads or overheats ventilator. 1. Replace motor 7. Grease containers must be emptied 1. Keep inlets and approaches to running. 3. Over/Under line voltage - at regular intervals to prevent ventilator clean and free from 3. Periodically inspect and tighten set- overflow. obstruction. Depending on screws. Trouble Shootinq Chart Ventilator Inoperative 1. Blown fuse or breaker 1. Replace or repair 2. Defective motor 2. Replace or repair _f1. . 3. Incorrectly wired 3. Shut power OFF and check wiring for rconnecon airflow Blockedduct or clogged Iters eanorrepInsufficient ace 2. Damper closed 2. Inspectfrepair 3. Incorrect wheel rotation 3. Check motor wiring 4. Loose fitting duct sections 4. Check for secure connection in duct joints Excessive noise or vibration 1. Loose wheel 1. Tighten set screws 2. Accumulation of material on wheel 2. Clean 3. Ventilator base not securely anchored 3. Secure properly 4. Motor cover loose and rattling 4. Tighten acorn nuts securing motor cover S. Fan wheel out of balance 5. Replace wheel Motor overloads or overheats 1. Shorted motor winding 1. Replace motor - - 2. Incorrect wheel rotation . 2. Check motor wiring 3. Over/Under line voltage - 3. Contact Power Co UMfrED WARRANrY LIMITATION OF LIABILITY. TO THE EXTENTALLOWABLE UNDER APPLICABLE LAW, DAYTONT LABILITY EOR CONSEQUENTIAL AND INCIDENTAL DAMAGES IS EXPRESSLY DISCLAIMED DAYTON'S LIABILITY IN ALL EVENTS LS LIMITED TO AND SHALL NOT EXCEED THE PURCHASE PRICE PAID. WARRANTY DISCLAIMER. ADILIGENT EFFORTHAS BEEN MADE TO PROVIDE PRODUCT INFORMATION AND ILLUSTRATE THE PRODUCTS IN THIS LITERATURE ACCURATELY; HOWEVER SUCH INFORMATION AND ILLUSTRATIONS ARE FOR THE SOLE PURPOSE OF IDENTIRCATIOM AND DO NOT IXME55 OR IMPLYA WARRANTY THAT THE PRODUCTS ARE MERCHAMABLE, OR FIT FOR A PARTICULAR PURPOSE, OR THAT THE PRODUCTS WILL NECESSARILY CONFORM TO THE ILLUSW77ONS OR DESCRIPTIONS EXCEPT AS PROVIDED BELOW, NO WARRANTY OR AFFIRMATION OF FAR, EXPRESSED OR IMPLIED, OTHER THAN AS STATED IN THE 'LIMITED WARRANTY' ABOVE 15 MADE OR AUTHORIZED BY DAYTON Technical Advice and Rocomm eMeHam, Dladalmer. Notwithstanding any past practice or dealings or trade cusrom, sales shall not include the Furnishing of whnical advice or aniAana or *y m design. Dayton anumuno obligatiom or liability an aanur o any unauthorlmd recommendations, opinions oradvioa as to the choice, InstHlation oruse ofproducts. `a`= fvdsdktions do Trot allow the vxduslon or limitation of incidental or ronsequentlal damaves, sa the rado not allowailmhationonhawi �g animpliedwarrantyla ,mmequerrtty the abovellmkaiion may anviwIied svar,sMies of brwRed merrhantabdity or Rtrias fora oartimlaroumose aoWirable to roruumer Mamrfach"d for Oaytm EI.CWC MEg. Co- SBSB W Nnwa,d St, RBlaa, lilbsob 6079440/4 U.S.A. Manufactured for Dayton Electric Mfg. Co. Niles, Illinois 60714 U.S.A.