Roberts Gorden POP-ECA/PGP-ECA 015 to 0100 manual

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. F ollow the gas supplier  s instructions. 7 . If you cann[...]

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© 200 8 Ro b er ts-Gordon LLC All rights reser v ed. N o par t of this w ork co v er ed b y the copyrights herein ma y b e repr od u ced or copied in any f or m or b y any means - gr aphic, electr onic, or mechanical, incl u ding photocop ying, r ecording, taping or inf or mation storage and r etr ie v al syst ems - w itho u t the w ritt en per mi[...]

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TABLE OF FIGURES F igur e 1: In stalla tion Cle arance s and Cl earanc es to Co mbu stibles ..................... ............ ................ ............ 4 F igur e 2: T ypica l Insta llation of a Gas Fi red C abine t Heat er ... 1 1 F igur e 3: T ypica l Insta llatio n of a Oil -F ired Cabinet Heater ..... 1 2 Fi gur e 4: Flue T er mination ...[...]

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1 P roduct Appro val ROBER TS GORDO N ® appliances ha v e b een tested and CE certified as c omplying w ith the essential re qu irements of the Gas Appliance Directi v e , the Lo w V oltage Dir ecti v e , the Electromagnetic Compati b ility Dire cti v e and the Machiner y Directi v e for u se w ith na t u ral gas and LP G w hen installed, commissi[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE 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 to notify you of possi ble fir e, electrical or burn hazar ds. Please pa y special at t ention when r eading and f ollow ing the warnings in these[...]

SECTION 3: C RITI C AL C ONSIDER ATIONS 3 SECTION 3: CRITICAL CONSI DERATIONS 3.1 Basic Inf ormation C abinet heat ers ar e supplied with b ur ners suit able f or on/of f operation as st andar d. As an option, oil - fi red b ur ners ar e av ailab le wi th t wo-stag e operation and g as-fir ed burners are av ailable w ith full modulation. 3.2 Locati[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 4 F i gure 1: Installation Cl earanc es and Clear ances to Combust ibles W ARNING F ire Hazar d Some objects will catch f ire or explode when placed close t o heater . Keep all f lammable objects, li q uids and vapour s the re q uir ed distance awa y fr[...]

SECTION 4: S PECIFICATIONS 5 SECTION 4: SPECIF ICATIONS 4.1 PGP & POP Int ernal Heat ers Dimension Data - PGP & POP Inter nal Heater s NO TES: Horizonta l cabine t heat ers ar e designed t o lie on t heir lef t side as stand ar d. F or vertical models , add 54 mm (2 i n) to the right side of the cabin et f or the f an/limit thermostat. F or[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 6 4.2 PGP & POP Ext ernal Heat ers Dimension Data - PGP & POP Exter nal Heater s NO TE: *For M odels 06 0-0 1 00, the cir cular f lue spigot is at the front of the heate r, wi th the r ectangular a ir outlet s pigot at the r e ar. COMBA T ® e x[...]

SECTION 4: S PECIFICATIONS 7 4.3 Ai r Outlet and Flue Arr angements 4.3.1 V er tical and Hor izonta l Heat ers - F r ee Blo w ing (t op view) NO TE: Models 0 15-02 0 are f it ted w ith 229 mm (9") diamet er dischar ge heads as st andard . Models 030-0 1 00 ar e fit t ed w ith 356 mm (1 4") diame te r dischar ge heads as stand ar d. 4.3.2 [...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 8 4.4 Gener al T echnical Data T able (all models) Appliance C ategor y II 2H/L 3B/ P NO TE: *Model s 40 & 50 are av ai lable with 230 V 1 Ø elec tric al supp ly as an extra cost opti on. A per m anent u ninterru pted electri cal supp ly is require[...]

SECTION 4: S PECIFICATIONS 9 4.6 T echni cal Data - Ecof lam Modulating Bur ners (al l models - bur ner refer ence "H") NO TE: The a ir setting is a guide onl y . Th e final setting is sub ject to combustion testing. When setting the minimum fir ing rate, a check must be ma de follo wing the s et ting of the burn er combustion. The check [...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 10 4.7 T echnical Data - Ecof lam Oil-F ired Bur ners (b urner r eference " G") NO TE: F or adjustment of head set ti ng , see Ecofla m Instructions . * Nozzle sizes ar e quoted in US g al/h. F uel c onsumption i s quot ed in imperial g al/h. [...]

SECTION 5: H EATER I NSTALLATION 11 SECTION 5: HEATER INSTALLATION 5.1 Gener al Heat ers ar e designed f or floor standing v er tical inst allatio n. Special v ersions suppl ied w ith st eel channels t o suppor t the hea te r ar e a vailab le and ma y be mounted ho rizontally . When install ed horizont ally , the heate r wi ll normally lie on its l[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 12 F i gure 3: T ypical Instal lation of a Oil-F ired Cabinet Heat er 1 m Minimum Roof Flues up to 200 mm dia. are fit ted w ith Bird Screens , ov er 200 mm with a Rain C ap. Air Distribution Heads Flue Lead Roof Plat e Building V entilation Electric Su[...]

SECTION 6: F LUE I NSTALLATION 13 SECTION 6: FLUE INSTALLATION 6.1 Flue Instal lation Flues must be cor rect ly sized f or the model. See P age 5, Section 4. 1 . Flues should be assemb led as on P age 1 3, F i gure 4 and F igure 5 and P age 1 4, F igur e 6 thr ough P age 1 4, F igure 9 . The jo ints bet ween the f lue and the r oof or w all m ust b[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 14 F i gure 6: Gu y Wir e F i gure 7: Soc ket Dir ection Fi gur e 8: Flue and Roof Detai l Fi gur e 9: Flue and Heater Spig ot Joint Detai l Over 2 m use Guy Wires Roof W all Use adequate suppor t to pre vent heater from carrying the weight of the flue [...]

SECTION 7: A IR S UPPLY 15 SECTION 7: AIR SUPPLY 7 .1 Air Supply It is impor tant t o ensure adequat e air supply at all times f or both combust ion and heating requi rement s in accor dance with BS 6230 for UK ins tallati ons and the lat est re visions of appli cab le stan dards and l ocal and natio nal codes. 7 .2 Isolat ed Equipment Rooms V enti[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 16 SECTION 8: F UEL PIPING It is impor tant that the gas supply pipe and the electrical co nnections do not support any of the heat er’ s weight. A ga s meter i s connect ed to the service pipe by the Gas Supply Compan y . Any e xisting met er should [...]

SECTION 8: F UEL P IPING 17 8.2 F uel Oil Supply 8.2.1 F uel St orage T ank The fuel st orage tank should be locat ed outside the bu ilding as cl ose as possib le to the h eater . The tank must be installed per l ocal and national codes . 8.2.2 F uel Pipes The fuel pipes m ust be siz ed to ens ure an adequate supply of o il t o the entir e install [...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 18 F igure 1 2: Pr essurised S yst em Install ation - Duple x S ys tem Check V al v e Check V al v e Relief V al v e P ress u re Ga u ge Check V al v e Stop V al v e Stop V al v e Stop V al v e B u rner N o. 1 P u mp N o. 2 P u mp D u ple x P u mp Set B[...]

SECTION 9: W IRING AN D E LECTRICAL I NFORMATION 19 SECTION 9: W IRING AND ELECTRICAL INF ORMATION 9.1 Electr ical Supply A 230 V 50 Hz 1 Ø supply is requi r ed f or all heat er Models 0 1 5 to 030 connect ed to the he ater terminals L1, N and Ear th. Standar d models 040 t o 0 1 00 and all High Flo w models r equir e a 400 V 50 Hz 3 Ø and neutra[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 20 2. The contr ol will then adj ust the b ur ner input continuou sly to at t empt t o maintain t he temper atur e set on the cont rol . 3. If the t emperatur e continues t o rise wi th the bu r ner operating at min imum fi re , the control wil l turn o[...]

SECTION 9: W IRING AN D E LECTRICAL I NFORMATION 21 9.4 CCH W iring Dia gram Oil Models 1 5-30 (f loor standin g) N ote: R emote f an control carries f u ll load of fan mot or 7 amp ind u cti v e Red 1 2 3 4 N 10 A Red / W hit e Red / W hit e Red / W hit e Red / W hit e MAI N FA N MO TOR MAI N TERMI N ALS I N CO N TROL P A N EL 230 V 50 Hz 1 PH SUP[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 22 9.5 CCH W iring Dia gram Gas Models 1 5-30 (horiz ontal mounting) Red 1 2 3 4 N 10 A MAI N TERMI N ALS I N CO N TROL P A N EL Bl u e Bl u e Bl u e L L L 1 2 3 P ACKAGED BUR N ER FA N LIMIT FA N / LIMIT ST A T Bro w n 7 8 2 7 R1 COIL 240 v 3 1 LOCK OU[...]

SECTION 9: W IRING AN D E LECTRICAL I NFORMATION 23 9.6 CCH W iring Dia gram Oil Models 1 5-30 (horiz ontal mounting) Red 1 2 3 4 N 10 A MAI N TERMI N ALS I N CO N TROL P A N EL Bl u e Bl u e Bl u e L L L 1 2 3 P ACKAGED BUR N ER FA N LIMIT FA N / LIMIT ST A T Bro w n 7 8 2 7 R1 COIL 240 v 3 1 LOCK OUT SIG N AL BUR N ER RU N SIG N AL LOCK OUT RESET[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 24 9.7 CCH W iring Dia gram Gas Models 40-5 0 (f loor standing ) Red 1 2 3 4 N 10 A MAI N FA N M OTO R MAI N TERMI N ALS I N CO N TROL P A N EL Red Grey Black Bro w n CO N T ACT OR 400 V 50 Hz 3 PH SUPPL Y TIME/TEMPERA TURE CO N TROL S FA N CO N TROL Bl[...]

SECTION 9: W IRING AN D E LECTRICAL I NFORMATION 25 9.8 CCH W iring Dia gram Oil Models 40-50 (fl oor standing) Red 1 2 3 4 N 10 A MAI N FA N M OTO R MAI N TERMI N ALS I N CO N TROL P A N EL Red Grey Black Bro w n CO N T ACT OR 400 V 50 Hz 3 PH SUPPL Y TIME/TEMPERA TURE CO N TROL S FA N CO N TROL Bl u e Bl u e Red Red L L L 1 2 3 FA N LIMIT FA N / [...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 26 9.9 CCH W iring Dia gram Gas Models 40-5 0 (horiz ontal mounting) Red 1 2 3 4 10 A FA N LIMIT FA N / LIMIT ST A T 7 8 2 7 R1 COIL 240 v 3 1 TIME/TEMPERA TURE CO N TROL S FA N CO N TROL (OPTIO N AL) P ACKAGED BUR N ER LOCK OUT SIG N AL BUR N ER RU N S[...]

SECTION 9: W IRING AN D E LECTRICAL I NFORMATION 27 9.1 0 CCH W iring Dia gr am Oil Models 40-50 (hor izontal mounting) NO TE: An y of the original w ir e supplied w ith the heat er must be r eplaced with w ir ing mat erial havi ng a t emperatur e rat ing of at l east 1 05°C and 600 V . Red 1 2 3 4 10 A FA N LIMIT FA N / LIMIT ST A T 7 8 2 7 R1 CO[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 28 9.1 1 CCH Wiring Dia gr am Gas Models 60-1 0 0 (f loor standing) 1 2 3 10 A TIME/TEMPERA TURE CO N TROL S FA N CO N TROL L 1 FA N LIMIT FA N / LIMIT ST A T 4 P ACKAGED BUR N ER Red N MAI N FA N M OTO R MAI N TERMI N ALS I N CO N TROL P A N EL Red Gre[...]

SECTION 9: W IRING AN D E LECTRICAL I NFORMATION 29 9.1 2 CCH W iring Dia gram Oil Models 60- 1 0 0 (floor stan ding) 1 2 3 10 A TIME/TEMPERA TURE CO N TROL S FA N CO N TROL L 1 FA N LIMIT FA N / LIMIT ST A T 4 S3 T2 T1 N L1 S3 T2 T1 N L1 OIL BUR N ER 6- W A Y PLUG P ACKAGED BUR N ER Red N MAI N FA N M OTO R MAI N TERMI N ALS I N CO N TROL P A N EL[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 30 9.1 3 CCH Wir ing Diagr am Gas Models 60-1 0 0 (hori zontal mounting) 1 2 3 4 10 A Bl u e FA N LIMIT FA N / LIMIT ST A T 7 8 2 7 R1 COIL 240 v 3 1 TIME/TEMPERA TURE CO N TROL S FA N CO N TROL (OPTIO N AL) P ACKAGED BUR N ER LOCK OUT SIG N AL BUR N ER[...]

SECTION 9: W IRING AN D E LECTRICAL I NFORMATION 31 9.1 4 CCH W iring Dia gram Oil Models 60- 1 0 0 (horizont al mounting) 1 2 3 4 10 A Bl u e FA N LIMIT FA N / LIMIT ST A T 7 8 2 7 R1 COIL 240 v 3 1 5 6 FOR BUR N ERS W IT H SA TRO N IC CO N TROL BO X (OIL -FIRED) REMO TE LOCK OUT LAMP 230 V N REMO TE LOCK OUT RESET TIME/TEMPERA TURE CO N TROL S FA[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 32 9.1 5 Final Connect ions to Ecof lam HIGH/L O W or Modulating Burne rs (all models)[...]

SECTION 1 0: C OMMISSIONING 33 SECTION 1 0: COMMISSIONING Inst allation , ser vice, commissioning and ann ual inspecti on of the heat er must be done b y a contr act or qualif ied in the insta l lation and service of ga s or oil-f ired heating equi pment. R ead this manual car efully befor e installat ion, commissio ning, operat ion or service of t[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 34 F i gure 1 3: Combination Ther mostat (all models) 1 0.2 Commissioning the Bur ner (gas heat ers) High/Lo w and modulating b ur ner s hav e additional specif ic r equir ements. F ollo w the manuf actur er’ s instructio ns using the data pr ovided o[...]

SECTION 1 0: C OMMISSIONING 35 3. Check g as flo w rate at g as met er . 1 0.3 Contr ol - Gas-F ired Heat ers F or High/Low and modulating bu r ner s, f ollo w the general sequence as described below and als o hav e e xtra functional sta ges relat ed to ai r damper positi ons. R efer t o the burner manuf acturer s instructio ns f or fur ther det ai[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 36 F i gure 1 5: Mot or Starter (models 040 -1 0 0 and Thermal O ver load (models 060 - 1 0 0) F i gure 1 6: Gas T rain Cir cuit for Dungs Gas V al ves (al l models) Line Connections Load Connections Contactor Thermal O v erload O v erload Reset B u tto[...]

SECTION 1 0: C OMMISSIONING 37 F i gure 1 7: Dungs Gas V alv e 1 0.4 Gas V alves Dungs Combination Gas V alv e All model 0 1 5 - 030 gas-f ired b ur ners operat e as dir ect main f l ame ignition and h av e no separat e star t g as train . All other models operat e w ith a fir st stage start gas f lame supplied fr om a star t gas tr ain contai ning[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 38 1 0.5.1 P ressur e Sw itch Set ting of the pr essure s witch must o nly be carr ied out as par t of a complete commission which i nclude s combusti on t esting. R emov e the cov er of the press ure s wi tch. Wi th the b ur ner f iring, tur n the pre [...]

SECTION 1 0: C OMMISSIONING 39 1 0.7 .2 Sequence of Oper ation The operati ng sequence is as f ollows: W ith the e xternal control s on and calling f or heat, the bu r ner fan and elect ric ignition wi ll s witch on. Af ter a comb ustion air pur ge of appro ximat ely t welv e seconds , the oil solenoid v al ve w ill open and the bu r ner wi ll fi r[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 40 SECTION 1 1: USER INSTRUCTIONS 1 1 .1 User Instr uctions The COMBA T ® Cabinet heat ers ar e fully automatic and oper at e fr om the e xt er nal cont rol s fi t ted on sit e. The only user contr ols at the heater ar e the: F an Run But ton - See P a[...]

SECTION 1 1: U SER I NSTRUCTIONS 41 1 1 .2.2 Bur ner Lock out Reset But ton The r ed w arning light b uilt int o the b urner contr ol bo x will illuminat e when the control has gone t o loc k out. This ma y be caused by f lame f ailur e. W ait one minu te then pr ess the reset b ut ton. 1 1 .3 Lighting I nstr uctions ( all models) 1 1 .3.1 T o T ur[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 42 W ARNING FOR Y OUR SAFETY If you smell g as: 1 . Open windows. 2. DO NO T try to light any appliance. 3. DO NO T use electrical sw itches. 4. DO NO T use any telephone in your b uilding. 5. Leav e the building. 6. Immediat ely call y our local gas su[...]

SECTION 1 2: S ERVICING 43 SECTION 1 2: SERVICING 1 2.1 Servicing Instruct ions Af ter commis sioning , the heater w ill r equir e maint enance t o be ca rried out annua lly . If t he heat er is used in a dir ty or dust y area, mor e frequent maint enance ma y be necessar y . Inst allation , Ser vice and Annual Inspec tion of the heat er must be do[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 44 SECTION 1 3: CON VER SION BETWEEN FUELS 1 3.1 General All COM BA T ® Cabi net heat ers ma y be operat ed on fuel oil , natur al g as or pr opane g as, depending on which b ur ner type has been fit ted. An y con ver sion bet ween fuels mu st be done [...]

SECTION 1 4: T ROUBLESHOOTING 45 SECTION 1 4: T ROUBLESHOOTING 1 4.1 General W ARNING Explosion Hazard Installation must be done by a registered installer / contractor q ualified in the installation and service of gas - fired heating e q uipment or your gas supplier. Failure to follo w these instructions can result in death , in j ury or property d[...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 46 1 4.2 T r oubleshooting f or Oil Bur ners (see man ufact ure’ s instr uctions) Heater Operating TROUBLESHOO T ENDS. If pro b lems persist, cont act ROBER TS GORDO N ® at T el: +44 (0)1 21 506 7709 www .rg-inc.com N o Check oil solenoid v al v e. N[...]

SECTION 1 4: T ROUBLESHOOTING 47 1 4.3 T r oubleshooting f or Gas Burner s (see manufact urer’ s instructi ons) Heater Operating TROUBLESHOO T ENDS. If pro b lems persist, cont act ROBER TS GORDO N ® at T el: +44 (0)1 21 506 7709 www .rg-inc.com N o Check main g as v al v es and w iring. Ye s N o Does main gas f ire? Ye s N o Does ' lo cko [...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 48 1 4.4 T roub leshooting f or Flame Supervision S yst em Heater Operating TROUBLESHOO T ENDS. If pro b lems persist, cont act ROBER TS GORDO N ® at T el: +44 (0)1 21 506 7709 www .rg-inc.com N o Contr ol b ox fa u lt y . Replace w ith corr ect type. [...]

1 4.5 T roub leshooting f or Solenoi d V alv es Cir cuit 1 4.6 T roub l eshooting f or Main F an Cir cuit (1 Ø) Fa u lt lies else w here . In v estigate and corr ect. V al v e f a u lty . Replace w ith corr ect type. Ye s N o Is there an electrical s u pply to the v al v e t erminals? V al v e f a u lty . Replace w ith corr ect type. Fa u lt lies [...]

1 4.7 T roub leshooting f or Main F an (3 Ø) Motor r u nning. TROUBLESHOO T ENDS. If pro b lems persist, cont act ROBER TS GORDO N ® at T el: +44 (0)1 21 506 7709 www .rg-inc.com N o Thermal o v erload in motor is fa u lty . Replace complet e f an u nit. (direct dri v e f ans only) Motor f a u lt y . Replace complet e f an u nit. Contact or or o [...]

SE CTI ON 1 5: R EMOV AL AND R EPLA CEME NT P AR TS 51 SECTION 1 5: REMO V AL AND REPLACEMENT PA R T S See warnings and not es on P age 43, Section 12 bef ore r emoving or r eplacing parts. 1 5.1 Burner Components T o remo ve the b ur ner fr om the heat er : 1 . Unplug the b urner electrical supply fr om the heater . 2. Isolat e the fuel supply at [...]

COMBA T ® C ABINET H EATERS I NSTALLAT ION , C OMMIS SIONING , O PERATION AND S ER VICE M ANUAL 52 5. Check the cor rect rot ation of the f an as on P age 33, Section 1 0.1 .5 . NO TE: The dir ect drive f an unit motor can on ly be r eplaced as a complet e f an/mot or assemb ly . F i gure 22: Combi nation F an/Limit Ther mostat Dial Set P o int 3 [...]

SECTION 1 6: P AR T S L IST 53 SECTION 1 6: P AR TS LIST The f ollow ing ite ms are re comm ended as sp ares which ma y be r equir ed during routi ne service and r eplacement of the air heat er . Ther e is also a l ist of par ts in the burner manuf actur er’ s manual which r elat es to the par ts requi red f or the pac k aged bu rner fi t ted t o[...]

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W ARNING © 2007 Roberts-Gordon, LLC www .r g -inc.com Print ed in U.S .A. P/ N 91 040095 At tach this infor mation to the wall near the R OBERTS GORDON ® heater Read the Installation, Commissionin g , Operation and Service Manual thor ou g hly bef ore installation, operation or service. OPERA TING INS TRUCTIONS 1 . STOP! R ead all safety instr u [...]