Manuale d’uso / di manutenzione del prodotto 250 del fabbricante Roberts Gorden
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Installation, Operation & Ser vice Manual Models UHA[S] 150, 175, 200, 225 250, 300, 350, 400 P / N 1111 0 1 N A 1 0 / 0 7 R e v . D UHA-Series T ubular Unit Heaters (Standard Range) W ARNING FOR Y OUR SAFETY If you smell g as: 1 . Open windo ws. 2.
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© 2007 R ober ts-Gordon, LLC All rights reserved. No part of this work cover ed by the cop yr ights her ein may be r eproduced or copied in any form or by any means - graphic, electr onic, or mechani.
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TABLE OF FIGURES Figur e 1: Installation Clearances and Clearances to Comb ustibles ..................... .............. .............. ............ 4 Fi gure 2: Suspension Methods .......................... .............. ......... 6 Figur e 3: V ent and R oof Detail .
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SECTION 1: H EATER S AF ETY 1 SECTION 1: HEATER SAFETY Y our Saf et y is Important to Us! This sy mbol is used thr oughout the manual t o notify you of possib le fir e, electrical or burn hazar ds. Please pa y special at tention when r eading and f ollowing the w ar nings in these sections.
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 2 SECTION 2: INSTALLER RESPONSIBILITY The installer is r esponsible for the f ollow ing: • T o install the heat er , as well as the g as and electrical supplies, in accor dance with applicab le specifications and codes .
SECTION 3: C RITIC AL C ONSIDERATIONS 3 SECTION 3: CRITICAL CONSI DERATIONS 3.1 Basic Inf ormation UHA(S) heater s hav e automatic ignition b ur ners f or ON/OFF operation only . 3.2 Location and Suspension All models: • Must be inst alled indoors .
W ARNING Fire Hazard Some objects will catch fire or explode when placed close to heater . Keep all flammable objects, liquids and vapors the required clearances to combustibles a way from heater . Failure to follo w these instructions can result in death, injury or property damage.
SECTION 4: N ATIONAL S TANDARDS AND A PPLICABLE C ODES 5 SECTION 4: NATIONAL STANDARDS AND APPLICABLE CODES 4.1 Gas Codes The type of gas appearing on the nameplat e must be the type of gas used. In stallation must comply with nationa l and local codes and requir ements of the local gas compan y .
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 6 SECTION 5: MAJOR COMPONENTS 5.1 Gener al Heater s are designed f or installation abo v e 6' (1 .8 m). These heater s must be installed w ithin the heated space. D uct delivery sy stems a re not permitt ed with axial f an units.
SECTION 6: V ENTI NG 7 SECTION 6: V ENTING 6.1 V enting This heat er must be v ented in accor dance with the rules contained in this man ual and w ith the f ollowing national codes and an y state , pro vincial or local codes which ma y apply: United States: Re f e r to NFP A 54/ANSI Z223.
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 8 6.2.2 Separ ated Comb ustion Heater s (Models UHA S 150 - 400) The heat ers ar e designed to b e installed as separat ed combustion heat ers. Th e vent a nd air intak e are run as separat e pipes t o the wall or roo f te r mi nal s.
SECTION 6: V ENTI NG 9 6.7 V ent Mat erial V ent material may be single w all 26 ga. (minimum) gal vaniz ed steel or equal thic kness stainless st eel. Comp letely seal all joint s, r efer t o Pa g e 7 , Section 6.2 . If penetrating a comb ustible w all or roof , a listed thimbl e with 2" (5 cm) clear ance must be used.
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 10 F igure 5: Standar d V ented Heat er - Common V er tical V ent T er mination Roof 1 8" (46 cm) Min. T ype "B" vent cap (7" or 8") may be used. (These are not a vailable from R ober ts-Gordon.
SECTION 6: V ENTI NG 11 F igur e 6: Separat ed Combustion Heat er - V ertical and Horizontal V ent T ermination V ent T er mination Listed Thimble thr ough Comb ustible Wall V ent 1 2" (31 cm) Minimum from wall to v ent ter mination.
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 12 F igure 8: Concen tric V ertical and Horiz ontal V ent T er mination V ent Air Int ake* Concentric V ent Bo x V er tical.
SECTION 7: A IR S UPPLY 13 SECTION 7: AIR SUPPLY 7 .1 Separ ate d Combustion In stallation When installed as a separ ated comb ustion heat er , the air f or combustion is dra wn in from outside the buildin g. It is important to ensur e that there is adequat e space around heater t o pro vide air f or the axial air distribution f an.
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 14 SECTION 8: GAS PIPING W ARNING Fire Hazard Connect gas supply according to Figure 9. Gas can lea k if not installed properly . Failure to follo w these instructions can result in death, injury or property damage.
SECTION 9: W IR I NG 15 SECTION 9: WIR ING W ARNING Electrical Shoc k Hazard Disconnect electrical power and gas supply before servicing. This appliance must be connected to a properly grounded electrical source. Failure to follow these instructions can result in death or electrical shoc k .
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 16 9.3 UHA(S) Series Int ernal W iring Dia gram BLUE BLACK BLACK ORANGE ORANGE YELLOW BROWN BLACK WHITE WHITE L2 L1 ORANGE .
SECTION 9: W IR I NG 17 9.4 UHA(S) Ser ies Ladder Wir ing Diagr am FLAME SENSOR PRESSURE SWITCH THERMOST A T CONNECTION 6 3 4 5 2 1 1 2 0 VAC TRANSFORMER COMBUSTION BL O WER CIRCULA TION F AN CIRCULA .
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 18 9.5 Electrical Connec tion to the Hea ter BX Connect or Junction Bo x Fle xible C onduit Burner Connect wir es together with suitab le approv ed wir e connect ors .
SECTION 1 0: O PERATION AND M AINT ENANCE 19 SECTION 1 0: OPER ATION AND MAINTENANCE Installation, service, and ann ual inspection of the heat er must be done b y a contract or qualified in the installation and service of gas-f ired heating equipment.
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 20 F igure 1 0: Aut omatic Burner Control Sequence Burner Sequence for Ignition Contr ol Flame Signal Start Gas V alv e Ign.
SECTION 1 0: O PERATION AND M AINT ENANCE 21 1 0.2.2 Start-Up the Gas V alv e (All Gases) 1 0.2.2.1 Chec k Burner Gas P ressur e 1 . R emov e the plug in the outlet (burner) pressur e test point and connect a pr essur e tap and a manom et er . 2. With the b ur ner f iring, measur e the pressur e on the manomet er .
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 22 SECTION 1 1: USER INSTRUCTIONS 1 1 .1 User Instr uctions The UHA(S) Series heater s are fully aut omatic and operat e from the e xternal controls f itt ed on site . W ARNING Electrical Shoc k Hazard Disconnect electrical pow er before servicing.
W ARNING FOR Y OUR SAFETY If you smell g as: 1 . Open windo ws. 2. DO NO T try to light an y appliance. 3. DO NO T use electrical s witches. 4. DO NO T use any t elephone in your b uilding. 5. Leav e the build ing. 6. Immediatel y call your local gas supplier af ter leaving the b uilding.
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 24 SECTION 1 2: SER VICING 1 2.1 Ser vicing Instr uctions Af ter start-up, the heat er will re quire maint enance to be carried out annually . If the heat er is used in a dir ty or dust y ar ea, more fr equent maintenance ma y be necessary .
SECTION 1 2: S ERVICING 25 1 2.8 Maintenance Checklist W ARNING Explosion Hazard Service and annual inspection must be done b y a contract or qualified in the installation and service of gas-fir ed heating equipment or your gas supplier . T urn of f gas and electrical supplies bef ore performing service or maintenance.
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 26 Burner Observ ation Win dow Mak e sure it is clean and fr ee of crac ks or holes. Clean and r eplace as r equired. Combu stion F an Scroll, Wheel and Mot or Compr essed air or a vacuum clea ner ma y be used to clean dust and dir t.
SECTION 1 3: T R OUBLESHOOTING 27 SECTION 1 3: T R OUBLESHOOTING 1 3.1 General Ensure pr oper air flow clearance f or axial fan. Open louver s slightly . Replace axial f an if it does not operate . If prob lems persist, contact Roberts-Gordon, LLC at www .
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 28 1 3.2 T r oubleshootin g F or A uto matic Ignition Burner S yst ems If prob lems persist, contact Roberts-Gordon, LLC at www .rg-inc.com Heater Operating TROUBLESHOO T ENDS.
SECTION 1 3: T R OUBLESHOOTING 29 1 3.3 T r oubleshooting f or Flame Supervision S yst em NO TE: Minimum flame pr obe current 1 μA DC . T ypical flame pr obe current 3-5 μA DC . Repair or r eplace as necessary . If prob lems persist, contact Roberts-Gordon, LLC at www .
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 30 1 3.4 T r oubleshooting fo r Gas V alv es V alve f ault y . Replace with one of correct type. F ault elsewhere. Corr ect pressure pr oblem. If prob lems persist, contact Roberts-Gordon, LLC at www .
SECTION 1 4: R EPLACEMENT P ARTS 31 SECTION 1 4: REPLACEMENT P AR TS See warnings and not es on P age 24, Section 1 2 bef ore remo ving or replacing par ts . Burner Componen ts All ser viceab le burner par ts are accessed b y the door on the side of the heat er .
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 32 1 4.2 Burner Compartment Remo ve f le xible air duct from spigot Remo ve access plate Remo ve scr ews and pull of f burn.
SECTION 1 4: R EPLACEMENT P ARTS 33 1 4.3 Ignition Electrode and Flame P robe Flame P robe Ignition Electrode Remo ve Sc rew Ignition Electrode Burners Flame P robe Burners Burner Compar tment F ront Views Remo ve all burner compar tment scre ws to remo ve the burner compar tment and access the "F ront View".
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 34 1 4.4 Combustion F an V er tical Installation V ent Box Outlet Gasket Flue Fan V ent Box Screws Flue Adapter Flue Adapter to Flue Fan screws Rear Panel Hole Disconnect electrical connections at plug in tabs.
SECTION 1 4: R EPLACEMENT P ARTS 35 1 4.5 Pr essure S witch P ull of f 3 wa y connector . Spring open plastic clips of mounting cradle . Repla ce with correct type of pr essure s witch f or model. The pr essure s witches are colo r coded f or each pressur e set ting.
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 36 1 4.6 Ignition Control The contr ol mounts t o the electrical plate . P ull out ignition cab le and w iring from boar d, noting their positions. Re lease the f our mounting st andof fs.
SECTION 1 5: S PECIFICATIONS 37 SECTION 1 5: SPECIFICATIONS 1 5.1 Standard (Models 1 50 - 40 0) UHA(S) Series Dimension Data A B Rear View End View Z 25 1/2" (65 cm) 6 1/2" (17 cm) Gas Supply F G H T op View I E C D 77 Heater must be supported at these points from abov e or below .
COMB A T ® UHA U NIT H EATE R I NSTALLATION O PERATION AND S ERVICE M ANUAL 38 1 5.2 General T echni cal Data T able (All Models) Model UHA[S] 15 0 UHA[S] 17 5 UHA[S] 20 0 UHA[S] 225 UHA[S] 250 UHA[S] 30 0 UHA[S] 350 UHA[S] 40 0 F ull Load Amps @ 1 15 V A 5.
SECTION 1 6: T HE RO BERTS GORDON ® COMB A T ® UHA-S E - 39 SECTION 1 6: THE ROBERTS GORDON ® COMB A T ® UHA -SERIES W ARRANTY ROBER TS-GORDON WILL P A Y FOR : Wit hin 24 months fr om dat e of pur.
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10 ' (3 m) W ARNING © 2007 Roberts-Gordon, LLC www.rg-inc.com Printed in U .S.A. P/N 91040031 Re v B At tach this infor mation to the wall near the R OBERTS GORDON ® heater Read the Installation, Operation and Service Manual thoroughl y befor e installation, operation or service.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Roberts Gorden 250 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Roberts Gorden 250 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Roberts Gorden 250 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Roberts Gorden 250 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Roberts Gorden 250, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Roberts Gorden 250.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Roberts Gorden 250. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Roberts Gorden 250 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
