Instruction/ maintenance manual of the product CTCU Roberts Gorden
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© Cop yright 2006 Rober ts-Gordon, LLC Quality in Any Language™ C mbat ® Installation, Commissioning, Operation & Ser vice Manual Models CTCU 7 CTCU 11 CTCU 15 CTCU 22 CTCU 27 CTCU 32 P / N 11 11 0 0 U K R e v B 1 0 / 0 6 Compact T ubular Unit Heaters W ARNING FOR Y OUR SAFETY If you smell g as: 1 .
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© 2006 R ober ts-Gordon, LLC All rights reserved. No par t of this w ork cover ed by the cop yrights herein ma y be r epr oduced or copied in any form or by any means - graphic, electronic , or mecha.
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TABLE OF FIGURES Figur e 1: Installation Clearances and Clearances to Comb ustib les................... .............. .............. .............. . 4 Fi gure 2: Suspension Methods .................... ................. ............ 7 Figur e 3: Shelf Mounting and Hanging Suspensi on .
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1 COMB A T ® C ompact T ub ular Unit Heat er s are high ef ficienc y heat er s and ar e list ed on the Enhanced C apital Allo wance Scheme ’E ner gy T echnology P roduct List’ . The ETL symbol is a UK regist ered cer tification mark of The C arbon T r ust.
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 2 SECTION 1: HEATER SAFETY Y our Saf ety is Impor tant t o Us! This s ymbol is used thr oughout the manual t o notify y ou of possib le fir e , electrical or burn hazards . Please pa y special at tention when r eading and f ollow ing the warnings in these sections.
SECTION 3: C RITICAL C ONSIDER ATIONS 3 SECTION 3: CRITICAL CONSI DERATIONS 3.1 Basic Inf or mation CTCU heater s hav e aut omatic ignition b ur ner s f o r ON/OFF operation only . 3.2 Location and Suspension All models: • Must be inst alled indoors .
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 4 F igur e 1: Installation Clear ances and Clear ances t o Combus tibles W ARNING Fire H a z ard S ome objects will catch fire or explode when placed close to heater . K eep all flammable objects, liquids and vapours the required distance away fr om the heater .
SECTION 4: S PECIF ICATIONS 5 SECTION 4: SPECIFICATIONS 4.1 CTCU A (All Models) Dimension Data - CTCU A (All Models) Model CTCU-7 CTCU-1 1 CTCU-1 5 CTCU-22 CTCU-27 / 32 A Height mm (in) 304 (12.0) 304 (12.0) 450 (17.7) 450 (17.7) 578 (22.8) B Mounting H ole Spacing mm (in) 239 (9.
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 6 4.2 Gener al T echnical Data T able (All Models) Electrical load at 230 V 50 Hz measured b y calculating from t otal run curr ent of appliance . * Do not e x ceed the maximum length of flue stat ed or heat er ma y not opera te pr operly .
SECTION 5: H EATER I NSTALLATION 7 SECTION 5: HEATER INSTALLATION 5.1 Gener al Heater s are designed f or installation abo v e 1 .8 m. These heat er s must be inst alled w ithin the heat ed space. D uct deliv ery sy stems ar e not per mit t ed wi th axial f ans.
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 8 F igur e 3: Shelf Mounting and Hanging Suspension Har dwar e pr ovid ed to construct mounting brac k et assemb ly only . F igur e 4: V er tical Lou vr es (Optional) F or models 1 5 and 22, horizontal louvr es ar e r e-used.
SECTION 6: F LUE I NSTALLATION 9 SECTION 6: FLUE INSTALLATION 6.1 Changing Flue and A ir Intake Orientatio n The heat er is sold with horizontal f lue and fr esh air connections as standar d. If ver tical f lue and fre sh air connections ar e r equir ed, f ollow the in structions on P age 29, Section 1 5.
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 10 F igur e 6: V er tical and Hor izontal Flue T ermination - T ype B 22 Appliance F igur e 7: V er tical and Hor izontal F.
SECTION 7: A IR S UPPLY 11 SECTION 7: AIR SUPPLY 7 .1 Room Se aled Installation When installed as a r oom sealed heater , the air f or combustion is dra wn in fr om outside the b uilding. It is impor tant t o ensur e that ther e is adequat e v entilation t o pr ovide air f or the distribution f an.
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 12 SECTION 8: GAS PIPING It is impor tant that t he gas supply pipe and th e electrical connections do not suppor t any of the heat er’ s weig ht. A gas met er is connected t o the service pipe by the gas sup ply company .
SECTION 9: W IRI NG AND E LECTR ICAL I NF ORMATION 13 SECTION 9: WIR ING AND ELECTRICAL INF ORMATION 9.1 Electr ical Supply All heater mod els need a constant 230 V 50 Hz 1 Ø supply connected t o t erminals L 1 , N & Ear th. P olar ity "L & N" must be correct.
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 14 9.3 CTCU A Wiring Dia gr am Models 7 - 32 GROUND A T LIMIT BLUE WHITE YELLO W BRO WN BLACK BRO WN 11 12 7 9 10 8 5 64 AX.
SECTION 1 0: C OMMISSIONING 15 SECTION 1 0: COMMISSIONING Installation, service, commissioning and ann ual inspection of the heat er m ust be done b y a contract or qualified in the installation and service of gas-f i r ed heating equipmen t. Read this man ual carefully bef ore installation, commissi oning, operation, or service of this equipment.
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 16 F igur e 9: A utom atic Burner Contr ol Bo x Sequence F igur e 1 0: Gas V alv e for Hea ter Models 7 - 32 Burner sequenc.
SECTION 1 0: C OMMISSIONING 17 1 0.2.2 Commissioning the Gas V alve (All Gases) 1 0.2.2.1 Chec k Burner Gas P ressur e 1 . Loosen the scr e w cov er of the outlet (burner) pr essure t est point and connect a manomet er . 2. With the b ur ner firing, measure th e pressur e on the manomet er .
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 18 SECTION 1 1: USER INSTRUCTIONS 1 1 .1 User Instructions The CTCU heat er s are fu lly automatic and oper ate from the e xternal controls f it ted on sit e . The only user controls at th e heater a re the: Burner Lock out R eset But t on .
SECTION 1 1: U SER I NSTRUCTIONS 19 1 1 .4.2 T o T urn the Heater Of f Set the installed r emote contr ols t o the "OFF" position. The b ur ner w ill turn of f immediat ely . The f an w ill continue t o r un f or a f ew minu tes . T o rest ar t, turn the control used abo v e to "ON".
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 20 SECTION 1 2: SERVICING 1 2.1 Servicing Instructions Af ter commissioning , the heat er w ill r equire mainten ance t o be carried out annually . If the heat er is used in a dir t y or dusty are a, more frequent mainten ance ma y be necessar y .
SECTION 1 3: C ON V ERSION B ETWEEN G ASES 21 SECTION 1 3: CON VERSION BETW E EN GASES 1 3 .1 Gener al Con ver sion bet ween g ases w ill requir e a change of burner injector s and the gas v al v e r e-commissioning to th e new con ditions.
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 22 SECTION 1 4: T ROUB LESHOOTING 1 4 .1 Gener al Replace axial f an. If prob lems persist, contact Roberts-Gordon Ltd. at T el: +44 (0)1 902 498733 www .rg-inc.com Heater Operating TROUBLESHOO T ENDS.
SECTION 1 4: T ROUBLESHOOTING 23 1 4 .2 T r oubleshooting F or Aut omatic Ignition Bur ner Sys tems If prob lems persist, contact Roberts-Gordon Ltd. at T el: +44 (0) 1 902 498733 www .rg-inc.com Heater Operating TROUBLESHOO T ENDS. No T race fault in supervision sy stem.
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 24 1 4.3 T r oubleshooting f or Flame Supervision S ystem Repair or r eplace as necessary . If prob lems persist, contact Roberts-Gordon Ltd. at www .rg-inc.com Contr ol box f aulty .
SECTION 1 4: T ROUBLESHOOTING 25 1 4 .4 T r oubleshooting f or Solenoid V alves 1 4 .5 T r oubleshooting f or Main F an V alve f aulty . Replace with one of correct type. F ault elsewher e. If prob lems persist, contact Roberts-Gordon Ltd. at T el: +44 (0) 1 902 498733 www .
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 26 SECTION 1 5: R EMOV AL AND REPLACEMENT P ARTS See warnings and not es on P age 20, Section 1 2 bef or e remo ving or r eplacing 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 .
SECTION 1 5: R EMOV AL AND R EPLACEMENT P ARTS 27 1 5 .2 Bur ner Compartment 1 5.2.1 Burner Inject ors Remo ve f le xible air duct from spigot. View ing P or t Flame P robe Burner Compartment Cover Ignition Electrode Remo ve scr e ws and pull of f burner cov er .
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 28 1 5 .3 Ignition Electr ode and Flame Pr obe Burners .1 20 (3 mm) spark gap Ignition Electrode Burner Compartment Front V.
SECTION 1 5: R EMOV AL AND R EPLACEMENT P ARTS 29 1 5 .4 Flue F a n V ertical Installation IT IS IMPOR T ANT THA T ONL Y THE CORRECT FLUE F AN SPECIFIED FOR EA CH MODEL TYPE IS USED WHEN REPLA CING THESE ITEMS. C arr y out a commission af ter w orking on or changing a flue f an.
COMBA T ® CTCU U NIT H EATER I NST ALLATION O PERATION AND S ERVICE M ANUAL 30 1 5.5 P ressur e Sw itch P ull of f 3 wa y connect or . Spring open plastic clips of mounting cradle . Replace w ith correct type of pressur e sw itch for model. The pr essure s w itches are colo ur coded f o r each pr essur e set ting.
SECTION 1 5: R EMOV AL AND R EPLACEMENT P ARTS 31 1 5 .6 Ignition Contr ol The contr ol plugs ont o the g as val v e. P ull out 1 2 pin electrical connection. P ull out ignition cab l e and flame p robe ca ble noting th eir positions R elease scre w secur ing contr ol t o gas v alv e.
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www.rg-inc.com Printed in U.S.A. At tach this inf ormation t o the wall near the R OBER TS GORDON ® heater Installation Code and Annual Inspections: All installations and service of ROBERTS GORDON ®.
An important point after buying a device Roberts Gorden CTCU (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Roberts Gorden CTCU yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Roberts Gorden CTCU - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Roberts Gorden CTCU you will learn all the available features of the product, as well as information on its operation. The information that you get Roberts Gorden CTCU will certainly help you make a decision on the purchase.
If you already are a holder of Roberts Gorden CTCU, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Roberts Gorden CTCU.
However, one of the most important roles played by the user manual is to help in solving problems with Roberts Gorden CTCU. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Roberts Gorden CTCU along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
