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Roberts Gorden CTHN-150 - page 1
Roberts-Gordon, LLC 1250 William Street P. O . B o x 4 4 Buffalo, New Y ork 14240-0044 T e lephone: 716.852.4400 Fax: 716.852.0854 T o ll Free: 800.828.7450 www .rg-inc.com © Cop yright 2006 Roberts-Gordon, LLC Quality in Any La nguage™ CTHN-40 CTHN-60 CTHN-80 CTHN-1 0 0 CTHN-1 25 CTHN-1 50 CTHN-1 75 CTHN-20 0 P/N 1 521 0 1NA R ev A 1 0/06 Vanta ...
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Roberts Gorden CTHN-150 - page 2
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Roberts Gorden CTHN-150 - page 3
T ABLE OF CONTENTS SECTION 1: Heat er Safety ........ .................... ...................... .... 1 1 .1 Manpow er Requir ements ............. ....................... ......... 1 SECTION 2: Instal ler Responsibility ........ ...................... ....... 2 2.1 W all T ag .............. .................... ...................... ............. ...
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Roberts Gorden CTHN-150 - page 4
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Roberts Gorden CTHN-150 - page 5
TABLE OF FIGURES Fi gure 1: Standar d Ref lector ................ ...................... ............... 3 Fi gure 2: One Side R eflect or .... ....................... ...................... .... 4 Fi gure 3: T wo Side Ref lector s .. ....................... ...................... .... 4 Fi gure 4: 45° T ilt Ref lector ..... ...................... ...
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Roberts Gorden CTHN-150 - page 6
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Roberts Gorden CTHN-150 - page 7
SECTION 1: H EATER S AFETY 1 SECTION 1: HEATER SAFETY Y our Saf et y is Impor t ant to Us! This sy mbol is used throughout the manual t o notify you of possib le fir e, electr ical or b ur n hazar ds. Please pa y special at tention when r eading and f ollow ing the warnings in these sections. Installation, service and annual inspection of heater mu ...
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Roberts Gorden CTHN-150 - page 8
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 2 SECTION 2: INSTALLER RESPONSIBILITY The installer is r esponsibl e for the f ollowing: • T o install the hea ter , as well as the gas an d electrical supplies, in accor dance w ith applicable specif ications and codes. R ober ts-Gordon recommends the inst aller contact a local Buildin ...
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Roberts Gorden CTHN-150 - page 9
SECTION 3: C RIT I C A L C ONSI DERATION S 3 SECTION 3: CRITICAL CONSI DERATIONS 3.1 R equired Clear ances t o Combustibl es Clearances ar e the r equired dist ances that combustib le objects must be awa y from the heat er to pre vent f ire hazar ds. Comb ustible mat erials that ma y catch f ire include common it ems such as wood, paper , r ubber , ...
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Roberts Gorden CTHN-150 - page 10
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 4 NOTE: 1 . All dimensions ar e from the surf ac es of all tubes, couplings and elbows. 2. Clearances B , C and D can be r educed by 50% af ter 25' (7 .5 m) of tubing downstream from wher e the burner and burner tube connect. . F IGURE 2: ONE SIDE R EFLECT OR (inches) (centimet ers) ...
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Roberts Gorden CTHN-150 - page 11
SECTION 3: C RIT I C A L C ONSI DERATION S 5 NOTE: 1 . All dimensions ar e from the surf ac es of all tubes, couplings and e lbows. 2. Clearances B , C and D can be r educed b y 50% af ter 2 5' (7 .5 m) of tubing downstr eam from wher e the burner and burner tube connect. F IGURE 5: U-T UBE, STANDARD REF LE CTOR (inches) (centimet ers) M o d e ...
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Roberts Gorden CTHN-150 - page 12
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 6 NOTE: 1 . All dimensions ar e from the surf ac es of all tubes, couplings and elbows. 2. Clearances B , C and D can be r educed b y 50% af ter 2 5' (7 .5 m) of tubing downstr eam from wher e the burner and burner tube connect. *When inst alled in the f irst 1 0' (3 m). F IGURE ...
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Roberts Gorden CTHN-150 - page 13
SECTION 4: N ATIONAL S TANDARDS AND A PPLICABLE C ODES 7 SECTION 4: NATIONAL STANDARDS AND APPLICABLE CODES 4.1 Gas Codes The type of gas appear ing on the nameplat e must be the type of gas used. Inst allation must comply with national and local codes and requir ements of the local gas compan y . United St ates: R ef er to National F uel Gas Code ...
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Roberts Gorden CTHN-150 - page 14
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 8 SECTION 5: HEATER DESCR IPTIONS 5.1 Unitary vs. Multib urner CTHN-Series burners ma y be used f or unitar y heat ers or f or multib ur ner sy st ems. Unitary heaters consist of a sing le burner , a single run of radiant tubing and a single fan assemb ly . See P age 1 4, F i gure 1 3 or ...
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Roberts Gorden CTHN-150 - page 15
SECTION 6: M AJOR C OMPONENTS 9 SECTION 6: MA JOR COMPONENTS F IGURE 1 1: Major Component Descri ptions T ube and R eflect or Hanger wi th C l a m p Pa ck ag e P osition this hanger no mor e than 4'' (1 0 cm) aw ay fr om the b ur ner assembly . Coupling A ssembly wi th Lock Ref lector End Cap P unch out cent er section to accommodate t ub ...
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Roberts Gorden CTHN-150 - page 16
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 10 SECTION 7: GENERAL SUSPENSION DETAILS T o ensur e your saf ety and comply with the terms of the wa rrant y , all units m ust be installed in accorda nce with these instructions. The ga s or the electrical supply lines m ust not be used to support the heater . Do not locat e the gas or ...
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Roberts Gorden CTHN-150 - page 17
SECTION 8: U NITARY L INEAR & U-T UBE H EATER I NSTALLATION 11 SECTION 8: UNITARY LINEAR & U-T UBE HEATER INSTALLATION 8.1 Standar d Parts *C anadian Models: Rubber (T ype 1) Gas Hoses av ailable a s an accessor y . See P age 69, Section 1 6 . T able 1: Contents of CTHN Burner Carton Part No. Descripti on CTHN-40 CTHN-60 CT HN-80 C THN-1 0 ...
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Roberts Gorden CTHN-150 - page 18
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 12 T able 3: Component P ackage Guide A dditional tubing length ma y be added to heat er . Any addit ional tubing lengths ar e consider ed as vent length for len gth determination. Maximum v enting length f or unitary heater is 45' (1 3.7 m). F or manif old tubing on multib ur ner sy ...
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Roberts Gorden CTHN-150 - page 19
SECTION 8: U NITARY L INEAR & U-T UBE H EATER I NSTALLATION 13 8.2 Unitary Heater R equirements CTHN unitary heater s are typically shipped as a burner pac kage , fan asse mbly and a tube and accessor y pack age. The tube and accessor y pac kages contain e nough tube, r eflect or and hanging par ts for one unit ar y CTHN heater . Elbows , u-tub ...
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Roberts Gorden CTHN-150 - page 20
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 14 8.3 Unitary Linear Heater Lay outs F IGURE 1 3: Linear Heater A ssembly Ov erview T ube Ref lector Ref lector End C ap Ref lector Suppor t Burner Coupling U-Clips Burner T ube T ube and Ref lector Hanger T ube Clamp P ack age F an Assembl y T urbulat or (With Select Models) ...
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Roberts Gorden CTHN-150 - page 21
SECTION 8: U NITARY L INEAR & U-T UBE H EATER I NSTALLATION 15 F IGURE 1 4: Unitary Linear L ay out O verviews F an Assembly Burner Ref lector T ube T ube/Reflect or Hanger Coupling Assembly LEGEND a = 1 4" (36 cm) ref lector width (not shown) b = 2" (5 cm) end cap to b ur ner/fan c = 2" (5 cm) end cap to hanger d = 7'6" ...
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Roberts Gorden CTHN-150 - page 22
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 16 F IGURE 1 5: Unitary Linear L ay out Ov er views (Contin ued) c b de b e e e e c b de b e e e e e c b de b e e e e e e 60' (1 8 m) T ube Length 70' (21 m) T ube Length 80' (24 m) T ube Length f g f g f g ...
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Roberts Gorden CTHN-150 - page 23
SECTION 8: U NITARY L INEAR & U-T UBE H EATER I NSTALLATION 17 8.4 Unitary U-t ube Heater Lay outs CTHN-Series heater s (e x cept CTHN-40) are appro v ed for optional u-tube configur ations. The u-tube ma y be installed in either a st andard hori zontal position, 45° position or in an opposit e 45° position as sho wn on P age 5, F igur e 5 th ...
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Roberts Gorden CTHN-150 - page 24
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 18 F IGURE 1 7: Unitary U-tube Lay out O verviews c b d f c b de c b de f c b de e c b de e f LEGEND a = 14" (36 cm) ref lector width (not shown) b = 2" (5 cm) end cap to b ur ner c = 2" (5 cm) end cap to hanger d = 7'6" (229 cm) distance fir st hanger e = 1 0&apo ...
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Roberts Gorden CTHN-150 - page 25
SECTION 8: U NITARY L INEAR & U-T UBE H EATER I NSTALLATION 19 Step 8.5 Bur ner T ube Installation Step 8.6 T ube Clamp P ackage Installation 7' 6" ± 1' (229 cm ± 25 cm) NO TE: T ubing requir es a down ward slope of 1/2" (1 .3 cm) per 20' (6 m) awa y from b ur ner . S-hook Burner T ube Hanger Of fset mounting hole mus ...
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Roberts Gorden CTHN-150 - page 26
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 20 Step 8. 7 Coupling and T ube Assemb ly Step 8.7 .1 Coupling and T ube Assembly (Contin ued) T ube T ube Orient coupling so that the impact bloc k is in the 2:00 or 1 0:00 ocloc k positions. Closed Open Ta b 3" (8 cm) to 4" (1 0 cm) Slide Bar/Coupling Loc k Coupling Wide En ...
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Roberts Gorden CTHN-150 - page 27
SECTION 8: U NITARY L INEAR & U-T UBE H EATER I NSTALLATION 21 Step 8.7 .2 Coupling and T ube Assembly (Contin ued) Step 8. 8 T urbulat or Installation 2.3 m .25 m 3 m .25 m Model Radiant T ube Length CTHN-40 1 0' (4.5 m) CTHN-60 20' (6 m) CTHN-80 20' (6 m) CTHN-1 00 30' (9 m) CTHN-125 40' (1 2 m) CTHN-150 40' (1 2 ...
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Roberts Gorden CTHN-150 - page 28
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 22 Step 8.9 R ef lector Installation H an g e r Bu r ne r Tube Re fl e c t or Description Part Number T ube/Reflect or Hanger 03090 1 00 Burner T ube 03051XXX Ref lector 02750303 NO TE: All radian t tube surf aces must be co ver ed by a r eflect or , e x cept f or a u-tube. Manif old tube ...
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Roberts Gorden CTHN-150 - page 29
SECTION 8: U NITARY L INEAR & U-T UBE H EATER I NSTALLATION 23 Step 8. 9.1 Ref lector , U-clip and R ef lector Su ppor t Installation The pict orial dra wings of th e heater construction in Section 8 ar e schematic only and pro vide a general guideline of wher e hangers , ref lector supports and u-clips are t o be installed. T o ensur e proper ...
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Roberts Gorden CTHN-150 - page 30
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 24 Step 8.1 0 Burner Installation Step 8.1 1 Fan Inlet Plat e and W arning T ag Lock W asher Gasket Burner Bolt (T orque 1 20 in/lb 1 3.56 Nm) S-hook Burner T ube Burner m ust be installed with the f lame observation windo w facing down. Description Part Number Bolt 9427391 4 Burner 052XX ...
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Roberts Gorden CTHN-150 - page 31
SECTION 8: U NITARY L INEAR & U-T UBE H EATER I NSTALLATION 25 Step 8.1 2 Restr ictor Plat e Installation Step 8.1 3 Fan Installation At tach r estrict or plate (see char t belo w right) t o f an inlet and replace inlet collar . Description Part Numb er Restr ictor Plat e 07730XXX Model Fan A ssy . P/N R estrictor Plat e P/N CTHN-40 05220000 07 ...
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Roberts Gorden CTHN-150 - page 32
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 26 SECTION 9: MULTIBU RNER HEATER INSTALLATION 9.1 Standar d Parts *C anadian Models: Rubber (T ype 1) Gas Hoses av ailable as an accessory . See P age 69, Section 16 . T able 6: Contents of CTHN Burner Carton Part No. Descripti on CTHN-40 CTHN-60 CTHN-80 C THN-1 0 0 CTHN-12 5 CTHN-150 CT ...
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Roberts Gorden CTHN-150 - page 33
SECTION 9: M ULT IBU RNE R H EATER I NSTALLATION 27 T able 8: Component P ackage Guid e A dditional tubing length ma y be added to heat er . Any additional tubing le ngths are consider ed as m anif old tube length f or length determination, See P age 29, Section 9.2 thr ough P age 31, Section 9.6 , design r equirement s and allowed man ifold tube l ...
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Roberts Gorden CTHN-150 - page 34
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 28 01326801 Reinforcement 01365903 Joint Piece 91406700 1' x 8' (.3 m x 2.4 m) Protective Grille Deco Grille (2' x 4' [.6 m x 1.2 m]) 01365900 Shield Frame 01370408 Reflector Side Extensi on 8" x 48" (20 cm x 122 cm) 01370412 Reflector Side Extensi on 12" ...
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Roberts Gorden CTHN-150 - page 35
SECTION 9: M ULT IBU RNE R H EATER I NSTALLATION 29 9.2 Multib urner S yst em Design Requir ements A CTHN multib ur ner sy ste m has a number of radiant tube sections int erconn ected b y manif old tube to a pump t o form a complete s y stem. R eflect ors can be used ov er the manif old tube b ut are not r equir ed. The s yst em design parameter s ...
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Roberts Gorden CTHN-150 - page 36
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 30 T able 1 0: Multibur ner Design R equirements * U-tube = 2 elbows 9.3 Burner s P er Pump 1 . The maximu m number of burners per pump is sho wn in Ta b l e 1 1 . 2. When combining dif ferent b urner inputs in a sy ste m, the number of burners p er pump (0' - 2,000' altitude) i ...
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Roberts Gorden CTHN-150 - page 37
SECTION 9: M ULT IBU RNE R H EATER I NSTALLATION 31 9.4 Radiant T ube Length The radiant tube length fi xed f or each bur ner is shown on P age 30, T able 1 0 . 9.5 Ma nifold T ube Any tube be yond the radian t tube length is considered manif old. Manifo ld tube can b e used to lengthen tube runs bey ond the radiant tu be length; to connect multipl ...
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Roberts Gorden CTHN-150 - page 38
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 32 F IGURE 1 9: Flag L ay out F IGURE 20: Modif ied In-Series Lay out Last T ee Manifold tube bet ween joining tee and pump . Manifold tube bet ween radiant tube ends. Burner fur thest from pump does not need a damper coupling. Fir st T ee Burner P ump Multiple r ows of b ur ners: pump pl ...
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Roberts Gorden CTHN-150 - page 39
SECTION 9: M ULT IBU RNE R H EATER I NSTALLATION 33 9.6.2 T and F ork Lay outs and Manif old T ube Length R ules See P age 33, F igure 21 thr ough P age 34, F igure 22 f or diagrams of T and F or k la youts . The T and F or k la youts ha ve a t ee or cross (called the "last t ee" or "last cross") wh ere the comb ustion gases in ...
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Roberts Gorden CTHN-150 - page 40
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 34 F IGURE 22: F ork L ay out P ump Manif old tube bet ween joining cross and pump . Last Cross Manif old tube bet ween radiant tube ends. Damper C ouplings located at the end of the ro ws. Burner Radiant T ube T ee (2) Multiple r ows of b ur ners: Manif old tube bet ween the last tee or ...
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Roberts Gorden CTHN-150 - page 41
SECTION 9: M ULT IBU RNE R H EATER I NSTALLATION 35 9.6.3 Her ringbone Lay out and Manifo ld T ube Length R ules The herr ingbone la yout is essentially se v eral T la youts stac ked together . Theref ore , the same prin ciple f or manifold tube calcula tion as used f or T la youts is used f or herringbone la youts , with one e x ception. In a herr ...
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Roberts Gorden CTHN-150 - page 42
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 36 Step 9.7 Bur ner T ube Installation Step 9.8 T ube Clamp P ackage Installation 7' 6" ± 1' (229 cm ± 25 cm) NO TE: T ubing requir es a down ward slope of 1/2" (1 .3 cm) per 20' (6 m) awa y from b ur ner . S-hook Burner T ube Hanger Of fset mounting hole must b ...
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Roberts Gorden CTHN-150 - page 43
SECTION 9: M ULT IBU RNE R H EATER I NSTALLATION 37 Step 9. 9 Coupling and T ube Assemb ly Step 9. 9.1 Coupling and T ube Assemb ly (Continued) T ube T ube Orient coupling so that the impact bloc k is in the 2:00 or 1 0:00 ocloc k positions. Closed Open Ta b 3" (8 cm) to 4" (1 0 cm) Slide Bar/Coupling Loc k Coupling Wide End Coupling T ...
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Roberts Gorden CTHN-150 - page 44
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 38 Step 9. 9.2 Coupling and T ube Assemb ly (Continued) Step 9.1 0 T urbulato r Installation 2.3 m .25 m 3 m .25 m Model Radiant T ube Length CTHN-40 1 0' (4.5 m) CTHN-60 20' (6 m) CTHN-80 20' (6 m) CTHN-1 00 30' (9 m) CTHN-125 40' (1 2 m) CTHN-150 40' (1 2 m ...
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Roberts Gorden CTHN-150 - page 45
SECTION 9: M ULT IBU RNE R H EATER I NSTALLATION 39 Step 9.1 1 Ref lect or Installation H an g e r Bu r ne r Tube Re fl e c t or Description Part Number T ube/Reflect or Hanger 03090 1 00 Burner T ube 03051XXX Ref lector 02750303 NO TE: All radian t tube surf aces must be co ver ed by a r eflect or , e x cept f or a u-tube. Manif old tube ma y or m ...
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Roberts Gorden CTHN-150 - page 46
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 40 Step 9.1 1 .1 Ref lector , U-clip and Ref lector Support Installation The pict orial dra wings of t he heater construction in Section 9 ar e schematic only and pro vide a general guideline of wher e hangers , ref lector supports and u-clips are t o be installed. T o ensur e proper e xp ...
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Roberts Gorden CTHN-150 - page 47
SECTION 9: M ULT IBU RNE R H EATER I NSTALLATION 41 Step 9.1 2 Burner Installation Lock W asher Gasket Burner Bolt (T orque 1 20 in/lb 1 3.56 Nm) S-hook Burner T ube Burner m ust be installed with the f lame observation windo w facing down. Description Part Number Bolt 9427391 4 Burner 052XXXXX Lock W asher 9641 1600 Gasket 02568200 ...
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Roberts Gorden CTHN-150 - page 48
CTHN-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL 42 SECTION 1 0: OPTIONAL HEATER ACCESSOR I ES 1 0.1 Elbow P acka ge Configur ation Step 1 0.1 .1 Elbow Installation Step 1 0.1 .2 Elbow Installation Step 1 0.1 .3 Ref lector J oint Installation Tube 90° E l b ow C o up l in g Description Part Number Elbow P ackage 0271 8702 90° Elbow 0 ...
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