Instruction/ maintenance manual of the product VANTAGE NP CTHN-125 Roberts Gorden
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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.
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T ABLE OF CONTENTS SECTION 1: Heat er Safety ........ .................... ...................... .... 1 1 .1 Manpow er Requir ements ............. ....................... ......... 1 SECTION 2: Instal ler Responsibility ........ .....................
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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 .. ................
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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.
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.
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.
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.
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.
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.
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 .
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 .
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 .
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 .
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 .
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.
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 .
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.
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 LEGEN.
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) .
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.
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 .
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 .
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.
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.
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.
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.
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.
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 .
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.
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.
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' [.
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.
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 .
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 .
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.
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 .
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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If you already are a holder of Roberts Gorden VANTAGE NP CTHN-125, 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 VANTAGE NP CTHN-125.
However, one of the most important roles played by the user manual is to help in solving problems with Roberts Gorden VANTAGE NP CTHN-125. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Roberts Gorden VANTAGE NP CTHN-125 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
