Instruction/ maintenance manual of the product CTCU 15 Roberts Gorden
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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. Extinguish any open f lame . 6. Leav e the build ing. 7 . Immediatel y call your local gas supplier af ter leaving the b uilding.
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© 20 1 1 Ro b er ts-Gordon Eur ope Ltd All rights reserved. N o par t of this wor k cov ered b y the copyrights herein ma y b e repr oduced or copied in any f or m or b y any means - g raphic, electr.
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TABLE OF FIGURES Fig u re 1: F ront and Back P anel Label Placement .................... . 2 Fig u re 2: Side P anel Label Placement ............... .............. ......... 3 Fig u re 3: Installation Clearances and Clearances to Com b u stib les ....
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1 of 42 COMB A T ® C ompact T u b u lar Unit Heat ers ar e high ef f iciency heat ers and ar e listed on the Enhanced C apital Allo w a nce Scheme ’Energy T echnology P r od u ct List’ . The ETL symbol is a UK regist ered cer tif ication mark of The Carbon T r u st.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 2 of 42 SECTION 1: HEATER SAFETY Yo u r Saf et y is Impor tant t o Us! This s ymbol is u sed thr o u gho u t the man u al t o notify yo u of possib le f ir e, electrical or b u r n hazards .
SECTION 1: H EAT ER S AFETY 3 of 42 Fi g ur e 2: Side P anel L abel Placement Description Part Number Lighting Label 91 040002 Wir ing Diagram Label 91 040020.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 4 of 42 SECTION 2: INSTALLER RESPONSIBILITY • T o install the heat er , as w ell as the g as and elec- trical s u pplies , in accor dance w ith applicab le specif ications and codes .
SECTION 3: C LEARANCES TO C OMBUSTIBLES 5 of 42 SECTION 3: CLEARANCES T O COMBUSTIBLES 3.1 R e q uired Clearan ces to Comb ustibles Clearances ar e the req u ir ed distances that comb u stib le objects m u st be a w a y from the hea ter to p re v ent f ire hazar ds.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 6 of 42 Fi g ur e 3: Installation Clear ances and Clear ances to Comb ustibles If installed at lo w le v els w here indi v id u als can come in cont act w ith h ot heat e x changer components, adeq u at e g u ard ing m u st be pr o v ided.
SECTION 4: C RIT CA L C ONSIDERATIONS 7 of 42 SECTION 4: CRITCAL CONSI DERATIONS 4.1 V entilation It is impor tant to ens u re that t here is adeq u ate air circ u lation aro u nd the heate r to s u pply air f or comb u stion, v entilation and distrib u tion in accor dance w ith local and national codes .
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 8 of 42 SECTION 5: SPECIFICATIONS 5.1 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.
SECTION 5: S PECIF ICATIONS 9 of 42 5.2 Gener al T echnica l Data T able (All Models) Electr ical load at 230 V 50 Hz meas u red by c al c u lating from to tal r u n c u rrent of ap pliance. * Do not e x ceed the maxim u m length of f l u e stat ed or heater ma y not operat e properly .
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 1 0 of 42 SECTION 6: HEATER INSTALLATION 6.1 Gener al Heater s are designed f or installation abo v e 2.5 m. These heat ers m u st be inst alled w ithin the heat ed space. D u ct deli v er y s y stems ar e not per mit ted w ith axial f ans.
SECTION 6: H EATER I NSTALLATION 1 1 of 42 Fi g ur e 4: Suspension Methods Existing cabinet scr e w s m u st be r e- u sed. Cone P oint Set Pin Windo w Clamp Unistrut 1 0 mm Steel Drop R od Nut W asher Riv Nut Suppor t P oints Ensure all suspension har dware is tor qued to a minimum of 27 Nm (20 f t lbs).
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 12 o f 4 2 Fi g ur e 5: Shelf Mountin g and Han g in g Suspension Hard w are pr o v id ed to constr u ct mo u nting brac k et assemb ly only . Fi g ur e 6: V ertical Louvr es (Optional) F or models 15 and 22, horiz ontal lo uv res ar e re- u sed.
SECTION 7: F LUE I NSTALLATION 1 3 of 42 SECTION 7: FLUE INSTALLATION 7 .1 Flue Installation 7. 2 C h a n g in g Flue and A ir Intake Orientation The heat er is sold w ith hor izont al fl u e and fre sh air connections as standar d. If v ertical fl u e and fresh air connections ar e req u ir ed, f ollo w the instr u ctions on P age 39, Section 16.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 14 o f 4 2 Fi g ur e 7: Flue and R oof Detail Fi g ur e 8 : V ertical and Horizontal Flue T ermination - T ype B 22 Appliance Roof F lue T erminal Metal Sleeve Masterflash Soaker F lashing or Rain Collar .
SECTION 7: F LUE I NSTALLATION 1 5 of 42 Fi g ur e 9: V ertical and Horizontal Flue T ermination - T ype C 12 C 32 & C 62 Appliances W all Plate W all T erminal Flue Roof T erminal Flue Air Int ak.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 16 o f 4 2 SECTION 8 : AIR SUPPLY 8 .1 R oom Sealed Installa tion When installed as a r oom sealed heater , the air f or comb u stion is dr a w n in fr om o u tside the b u ilding.
SECTION 9: G AS P IPE W ORK 1 7 of 42 SECTION 9: GAS PIPE W ORK It is impor tant that the g as s u pply pipe and the electrical conn ections do not s u ppor t any of the heat er’ s w eight. A gas met er is connected t o the ser v ice pipe by the gas s u pply company .
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 18 o f 4 2 Fi g ur e 1 0: Gas Connection w ith Stainless Steel Fle x Connect or.
SECTION 1 0: W IR ING AND E LECTRI CAL I NFOR MATION 1 9 of 42 SECTION 1 0: W IRING AND ELECTR ICAL INFORM ATION 1 0.1 Electr ical Suppl y All heater s need a constant 230 V 50 Hz single phase s u pply connect ed to t er minals L, N & Ear th. P olarity "L & N" m u st be corr ect.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 20 of 42 1 0.3 CTCU A Wir in g Dia g ram (Models 7 -32) NO TE: If any of the or iginal w ir e s u pplied w ith the heat er m u st be r eplaced, it m u st b e replaced w ith w ir ing mater ial ha v ing a t emperat u r e rating of at least 1 05° C a nd 600 v olts.
SECTION 1 1: C OMMISSIONING 21 of 42 SECTION 1 1: COMMISSIONING Gas F ire d Heater Installation C ode and Ann u al Insp ections: All installation and ser v ice of ROBER TS GORDON ® eq u ipment m u st.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 22 of 42 1 1 .4 Be g in Commissi onin g 1 1 .4.1 Befor e Operatin g the Heater T o ens u re that all the contr ols ar e in saf e w orking order , operate the heate r f or the f irst time w ith the isolating g as v al v e t u r ned of f.
SECTION 1 1: C OMMISSIONING 23 of 42 Fi g ur e 1 2: Gas V alve f or Heater (Models 7 - 32) 1 1 .4.2 Commissionin g the Gas V alv es (all g ases) 1 1 .4.2.1 Chec k Burner Gas Pr essure 1 . Loosen the scr e w co v er of the o u tlet (b u rner) pr ess u r e test point and connect a manomet er .
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 24 of 42 11 . 8 Complete the Commissionin g Ens u r e that all co v ers ar e fit t ed corr ectly and all test points ar e pr operl y sealed.
SECTION 1 2: U SER I NSTRUCTIONS 25 of 42 SEC TIO N 12: USER INSTRUCTIONS 1 2.1 User Instructions The CTCU heat ers ar e f u lly a u tomatic and oper ate from the e xternal controls f it ted on sit e. The only u ser controls at th e heater a re the: B u rner Lock o u t Reset B u t t on: See P age 26, Section 1 2.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 26 of 42 1 2.3.2 Limit Thermostat The limit thermostat is located insid e the access door of the heat er . See P age 38, Section 16.3 . This control p rot ects the heat e x changer against o v erheating.
SECTION 1 3: S ERVICING 27 of 42 SECTION 1 3: SER VICING 1 3.1 Ser vicin g Instructions Af ter commissioning , the heater w ill r eq u ir e mainten ance to be ca rried o u t ann u ally . If the heat er is u sed in a dir t y or d u sty area, mor e freq u ent mainten ance ma y be necessar y .
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 28 of 42 heat e x changer . Look f or signs of o v erheating at the front t u bes w hich ma y indicat e b u rner o v er f iring or pers istently lo w air flo w s. 1 3.5 Gas Control V alv e Maintenance No reg u lar mainten ance is r eq u ir ed on these de v ices.
SECTION 1 3: S ERVICING 29 of 42 Burner Observ ation W indow Make s u r e it is clean and free of cr acks or holes . Clean and r eplace as re q u ired. Flue Blow er Scroll, Wheel and Motor Comp resse d air or a v ac uu m cleaner ma y be u sed to clean d u st and dir t.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 30 of 42 SECTION 1 4 : CON VER SION BETWEEN GASES 1 4.1 General Con v er sion bet w een g a ses w ill r eq u ire a change of b u rner injector s and the gas v al v e r e-commissioning to th e ne w con ditions.
SECTION 1 5: T ROUB LESHOOTING 31 of 42 SEC TION 15: T R OUBLESHOOTING D ANGER Electrical Shoc k Hazard Disconnect electric bef ore service . Heater m ust be properl y grounded. Failur e to f ollow these instr uctions can result in death or electrical shoc k.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 32 of 42 1 5.1 General Fo r yo u r safety and optim u m heat er perf or mance , u se only ROBER TS GORDON ® replaceme nt par ts. Conduct Commissionin g pr ocedur e as shown o n P age 21, Section 1 1 .
SECTION 1 5: T ROUB LESHOOTING 33 of 42 1 5.2 T r oubleshootin g Fo r Au to m a t i c I g nition Burner S yst ems For y o u r safety and optim u m heat er performance, u se only R OBER TS GORDON ® r eplacement par ts. Conduct Commissionin g pr ocedur e as shown on P age 21, Section 1 1 .
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 34 of 42 1 5.3 T r oubleshootin g f or Flame Supervision S yst em 1 5.4 T r oubleshootin g for Solenoi d V alv es NO TE: Minim u m flame pr obe c u rrent 1 µA DC . T o meas u re f lame c u rrent, connect a 0 - 5 0 µA DC meter in ser ies w ith the f lame probe .
SECTION 1 5: T ROUB LESHOOTING 35 of 42 1 5.5 T r oubleshootin g for Main Fan Fo r yo u r safety and optim u m heat er performance, u se only gen u ine R OBERTS GORDON ® r eplacement par ts. Conduct Commissionin g pr ocedure as sho wn on P age 21, Section 1 1 .
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 36 of 42 SECTION 1 6: REMOV AL AND REPLACEMENT P AR TS See w arnings and not es on P age 27 , Section 13 b efo re re m o v ing or replacing parts. Burner Componen ts All ser v iceable b u r ner par ts are accessed b y the door on the r ight side of the heater .
SECTION 1 6: R EMOV AL AND R EPLACEMENT P ARTS 37 of 42 1 6.2 Burner Compartment 1 6.2.1 Burner Inject ors Remo ve f lexi b le air duct from spigot V iew ing por t f or flame pr o b e Flame P ro b e Burner Compartment Co ver Ignition Electrode Remo ve scr ews and pull of f b ur ner cov er The b u rner compar tment is a sealed compar tment.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 38 of 42 1 6.3 I g nition Electrode and Flame P robe Burners .1 20 (3 mm) spark gap Ignition Electrode Burner Compartment .
SECTION 1 6: R EMOV AL AND R EPLACEMENT P ARTS 39 of 42 1 6.4 Flue Fan V ertical Installation (Models 7 - 1 5) 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. Ca r r y o u t a c ommission aft e r w orking on or changing a f l u e f an.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 40 of 42 1 6.5 Flue Fan V ertical Installation (Models 22 - 32) 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 TH ESE ITEMS.
SECTION 1 6: R EMOV AL AND R EPLACEMENT P ARTS 41 of 42 1 6.6 Pr essure S witch P u ll of f 3 w a y connector . Spring open plastic clips of mo u nting cradle. R eplace w ith corr ect t ype of press u re s w itch f or model. The pr ess u re s w itch es are colo u r coded f or each press u re s e t t in g.
COMBA T ® CTCU U NIT H EATER S I NSTALLATION O PERATION AND S ERVICE M ANUAL 42 of 42 1 6.7 I g nition Control This contr ol is mo u nted at the br acke t plate . P u ll o u t the thr ee cable conne ctor s. P u ll o u t ignition cable , ignition ear th and flame p robe ca ble no ting their positions.
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W ARNING At tach this infor mation to the wall near the R OBERTS GORDON ® heater Read the Installation, Commissioning, Oper ation and Service Manual thoroughl y befor e installation, operation or service. OPERA TING INSTR UCTIONS 1 . STOP! R ead all safety instructions on this information sheet.
An important point after buying a device Roberts Gorden CTCU 15 (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 15 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 15 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Roberts Gorden CTCU 15 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 15 will certainly help you make a decision on the purchase.
If you already are a holder of Roberts Gorden CTCU 15, 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 15.
However, one of the most important roles played by the user manual is to help in solving problems with Roberts Gorden CTCU 15. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Roberts Gorden CTCU 15 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
