Thermo Products CHB1-75N manual

MG - 1006 ECN 5 3 55 - M A 1 40303 CONDENSING GAS FURNACE INSTALLATION AND O P E RAT IO N M ANUAL MODELS: CHB1 -50N CDB1 -50N CHB1 -75N CDB1 -75N CHB1 -100N CDB1 -100N CHB1 -125N CDB1 -125N : IF YOU DO NOT FOLL OW THE SAFETY PR ECAUTION S BELOW AND IN THIS MANUA L, A FIRE OR EXPLOSION MAY RES ULT CAUSIN G PROPERTY DAMAGE, PERSONAL IN JURY, OR L OSS[...]

i I. SAFETY INFORMATION This and the following pag e contain repr oductions of the various warning and instruction labels placed on the Thermo Pride Condensing Gas Furna ces. Please rea d and comply with the contents of thes e labels.[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. ii This and the previous pag e contain reproduc tions of the various warning a nd instruction labels placed on the Thermo Pride Condensing Gas Furna ces. Please rea d and comply with the contents of these l abels. WARNING: If you do not follow these i nstruc tio[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. iii The following saf ety i nfor ma tion shou ld be rea d, un derstood, and f ollow ed by t he in sta ller. 1. Use only w ith ty pe of gas approved for th is fu rnace. Refer to f urnace ratin g plate. 2. Conne ct thi s fur nace to an approv ed ven t sy s tem onl[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. iv : The CH B1/CDB1 f ur na ce m o dels are sealed combusti on desi gn, wh ich does not r equir e an ai r shutter a d justme nt ( air shutters a re not used ) for pro per fla me cha racteristi c s. Burner bo x access c o ver mu st always be secu red w ith al l s[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. v INDEX SECTION BEGINNING PAG E I. SAFETY INFORMATION i II. FURNA CE SPEC IFICA TIONS 1 III. GENERAL INSTAL LA TION 5 A. CODES A ND CLEA RANCES 5 B. FURNACE LOC ATION 6 B1.CDB1 HORIZ ON TAL AP PLI CAT I ON 7 C. REPLACING EXISTING FURNAC E FROM A COMMON VENT 8 D.[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 1 II. FURNACE SPECIFICAT IONS CHB 1 SERIES MO DEL NO. CHB1 - 50 CHB1 - 75 CHB1 - 100 C HB1 - 125 BTU/HR INPUT 50,000 75,000 100,000 125,000 BTU/HR OUTPUT 47,000 72,000 94,000 116,000 HT. OF CASING 44 - 1/4” 44 - 1/4” 44 - 1/4” 44 - 1/4” WIDTH OF CASING 1[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 2 CDB1 SERIES MO DEL NO. CDB1 - 50 CDB1 - 75 CDB1 - 100 CDB1 - 125 BTU/HR INPUT 50,000 75,000 100,000 125,000 BTU/HR OUTPUT 47,000 70,000 94,000 116,000 HT. OF CASING 46 - 1/4” 46 - 1/4” 46 - 1/4” 46 - 1/4” WIDTH O F C ASING 17” 17” 21” 24” DEPTH[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 3 INSTALLAT ION PARTS PACKAGES - CHB1 - 50/75 PARTS PACKAGE #S00S4405/4406 DESCRIPTIO N PART # QUANTITY 2- 3/8” ID ra diator h ose 410017 1 The rmostat le ad bushi ng 350750 1 PVC tr ap assembly 320816 1 #8 x ¾ coa ted T EK screw s for mountin g trap & in[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 4 Drai n hose gro mm et 350446 1 Sprin g cla m p, 11/16” 300299 3 Installation notice MG - 987 1 PVC tee assem bly , 2 x 3” dia. 320817 1 CPVC XP VC adap ter 320833 1 Gas Co nversio n K it AOPS 7679/7664 1 INSTALLAT ION PARTS PACKAGES - CDB1 - 50/75 PARTS PA[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 5 #8 x ½ TEK screw s f or mounting 2 x 4 J - box 300208 2 #10 - 32 x ½ gr een gro und screw 300109 1 #10 - 32 hex nut 300110 1 3/16” dia. star was her 300270 1 Gro unding instr uc tions MG - 966 1 Wir e nut 3 00132 2 3” stainless steel hose cl amp 300276 2[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 6 2. The BT U output capacity of the furn ace proposed for installation should be based on a h eat loss calcu lation made according to the m anuals provid ed by the Air Conditioning Contractors of America (ACCA) or ASHRA E. 3. MIN IM UM CLEARANCES TO COM BUSTIBL[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 7 4. This furn ace mu st be connected to a drain i n accordance w ith th ese ins tructions. If it is n ot practical to connect the un it to a drain, a condensate pu mp m us t be used and can be ordered as an acc essor y, part nu m ber 350225. If an acid neut ral[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 8 Figure 1 The horizontal fu rnace inst allation sh ould be on a service platf orm larg e enough to allow for proper clearances on all sides and serv ice access to the f ront of th e furnace (See Ta ble 1). If the f urnace is suspended, it m us t be supported at[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 9 D. General Requirem en ts For Venting Models CHB1 / CDB1 The CHB1 / CDB1 furnace ven ting sy stem mu st be inst alled by a qual ified servi ce person in accordance w ith l ocal install ation codes and thes e instru ctions. In th e absence of applicable local c[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 10 intake s yst ems mu st be considered. T his includes all elbow s, or equivalen t pipefittings , used inside the furnace jacket in addition to thos e used to constru ct the terminati o n. Fu rthermore, a credit of 5 - feet o f strai ght pipe m ay be t aken for[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 11 NOTICE: The fu rnace m o del seri es CHB 1 / CDB1 m ay be vented either through the sidewall or the roof. For sidewall instructions, continue to the following s ection. For r oof venting, refer to Section III G, o f this manual E. Direct V e nting Through a S[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 12 Figure 3: Typi cal Rel ative Loc ations of Direct Ve nt Term ina tions When Sidew all Venting 3. Exhaust Vent Term inal Location Clearance Requirem ents a. The vent term inal shall be located at least 3 - feet above any f orced air inlet located w ithin 10 - [...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 13 Figure 4: NFGC Minim um Cleara nces Betw een the Vent Term inal and Various Buildi ng Features 4 . Vent Terminal Loca t ion Guidelines[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 14 : Bus hes, shr ubs, or any vege tation that may restr ict the flow of flue produc ts must be kept away fr om vent and air intake ter m inat ions. Terminat ions must als o be kept clear of an y leaves, we eds, com b ustible materia ls, snow, and ice build - up[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 15 2. Measure and cut two (2), 2 - inch diameter thermoplastic pipes 1 - 1 /2 inches l onger tha n the dep th of the wall. (Cuttin g the pipe longer leaves a ¾ i nch connection allow ance at both ends of th e pipe.) For 3 - inch diam eter PVC pipe, l eave a 3 -[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 16 Figure 6: Optional Direct Vent Kits for the CHB1 / CDB1 M odel Series of Furnac es G. Connecti ng The Furnace To Ro of Exhaust / Intake Terminations If it is not desirable, o r feasible, to vent the furnace through a sidewall, it m ay be vertica lly vented th[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 17 H. Exhaust / Inta ke Piping And Condensat e Drain Connec t ions At Furnace 1. Figures 6B, 7, and 8 follow depicting ty p ical exhaust ven t and air intake connection s for the furnace m odel series CHB1 and the C DB 1 , respectively, as w ell as a list of req[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 18 Figure 7: Required Exhaust V e nt and Air Intake Piping f or CDB1 F urnace in Dow nflow Appl ic a tions[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 19 Figure 8: Required Exhaust V e nt and Air Intake Piping f or CDB1 F urnace in Hor iz ontal Applica t ions. 2. Connec ting The E xhaust Vent T o T he Induc er a. Slip the end of the 2 - inch diameter PVC elbo w (for the m o d el CDX1 in horizontal app lic a ti[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 20 NOTICE: F or models CDB 1 - 100 and C DB1 - 125 used in h orizontal app licati ons, im mediately transition from 2 - inch to 3 - inch diameter pipe by installing the 3 - inch x 2 - inch diam eter P VC reducer just outside th e furnace casing . The remainder o[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 21 PVC tee). Couple the drain t ee assem bly to the pre - cut 2 - inch diam eter P VC pipe using the rein forced rubber h ose and th e two (2) ban d clamps supplied. NOTICE: All PVC thermoplastic pipe must be support e d be ginning directly over the exhaust vent[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 22 DO NOT! SILICONE OR SEAL THIS CONNECTION IN ANYWAY. MUST BE LOOSE FIT WITH LEAKAGE BETWEEN PVC AND METAL COLLAR. Figure 12: Typical Internal Air Intak e Piping Arrangement for All Furnace Models d. After trial fitting the entire combustion air intake sy stem,[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 23 Figure 1 5. Condensat e Trap Assembly Mounted O n the Mo del Series CDB1 In a Downf lo w Applicat i o n Figure 16. Conde nsate T rap Assembly Mo unt ed On The Mo del Series CDB1 In RH Side Horizo ntal Application 2. Determin e from w hich si de of the fu rnac[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 24 NOTICE: On t he m o d el series CHB1 / CDB1 the condensate disposal line must be on the sam e s ide as the flue outlet or, in the case of a horizo ntal application, the bo tto m o f un it. Drive two (2) #8 x 3/4 inch sh eet metal screws w ith black pro tectiv[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 25 6. A condens ate pump may be required when, • a suitable drain is not p r e se nt, • the drain is above t he trap outlet lev el on the furnace, or • the drain line cannot be slop ed downw ard its full len gth to the drain. If gravit y drainage of the co[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 26 Figure 18 2. A drip leg must be used on both LP and natural gas installations prior to the furnace in order to tra p oil, condensate and o ther impurities which m ight otherwise lodge in the gas va lve or p lug the bur ner or ifice. A d rip leg shal l b e p r[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 27 4. If the fu rnace is used in conn ection w ith an air condition ing evaporator coil, the f urnace m ust b e in stalled parallel wi th or on the upstream side of the coil, to prevent condens ation in the heat ex changer. If the evaporator coil is installed wi[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 28 DUCT SIZES FOR HO MES, QU IET O FFICES, O R SIMILAR INSTALLATIONS TAB LE 2 A Each of the sy s tem compone nts (trunk lines, take offs, runs and register and grill - free areas) must be properly s ized and mat ched together to ensure the n ecessary air han dli[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 29 K. FILTER S 1. CHB1 MODELS: HIG HBOYS It is necess ar y to cut the return air openin g in the bottom or si de casing dependi ng upon the needs o f the specific installation. NOTICE: If your CHB1 will req uire air d elivery above 18 00 CFM, it is ad visable th[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 30 Figure 20 3. USE OF NON - THERM O PR ID E F ILTER RETENTION M EANS If a m ethod other than the Therm o Pride filter rack i s sel ected for retention of the filter and/or use of a different filter type is desired, see T able 3 for minimu m size guidelines for [...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 31 FORMULA : (tons of cooling ) x (400 CFM per t on) (144 square i nches per foot) = f ilter area sq.inches (max. air velocity of filter from table 3 for the filter type) = lengt h x widt h o f filter in inches EXAMPLE: If y ou had a CHB1 - 100 furnace and 4 ton[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 32 Anticipators for the heating opera tion are o f two types, pre - set and adjustable. Those that ar e pre - set will not have an adjustmen t scale and are generally marked accordingly . 4. BLOWER M OTOR SPEED WIRING Figure 21 : TURN O FF THE ELECTRICAL P OWER [...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 33 BLOWER DELAY SETTINGS To del ay fan turn - on by : Set Swi t ch #1 #2 15 sec. 30 sec. *45 sec. 60 sec, Off Off Off On On Off On On To del ay fan turn - off by: Set Swi t ch #3 #4 60 sec. 90 sec. *120 s ec. 18 0 sec. On On Off On On Off Off Off *Factory Settin[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 34 START TRIA L FOR IGNIT ION START CONTINUOUS SAFE OPE RATION CHECK IF FL A M E SIM U LATIO N CO N D ITION PRESENT OR ROLL-O UT SW ITCH OPENS, SYSTEM ENERGIZES I NDUCER FAN FOR 15 SECONDS AND CIRCULATOR BLOW ER AT HEATING SPEED UNT IL SI TUATION CORRECTION THER[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 35 MAI N BURNER OPERATION END OF CY CL E C ALL FOR H EAT SATISF IED AF TER DELAY - TO-FAN-ON PER IOD ENDS, CIRCUL ATING AI R FAN IS ENERGI ZED AT HEA T ING SPEED . T HE (OPTI ONAL) EL ECT RONIC AI R CL EANER AND HUM IDI F I ER ARE ENE RGIZED. AF TER T HE DELAY -[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 36 B. INI TIA L START UP: This furnace does not have a pilot. It is eq uipped with a hot surface ign iter, which autom a tic a lly lights the burner . Do not attempt to light the burner by hand. Check the follow ing items before the initial start - up. 1. Che ck[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 37 FORMULA : B TU/CU FT X NUMBER OF CU FT X 360 0 SECONDS = INPUT BT U/HR EAMPL E: 1025 BTU/CU FT X 2 CU FT X 3600 = 98,633 BTU INPUT 74.8 SEC ONDS Check fo r the mode l number of thi s furnace, its input, the type o f gas and the manifold pr essure on the infor[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 38 Figure 22 : The CH B1/CDB1 f ur na ce m o dels are a n in - shot burne r design, w hich does not require an ai r shutter a d justme nt ( air shutters a re not used ) for pro per fla me cha racteristi c s. Burner bo x access c o ver mu st alway s be secured wi[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 39 V. INSTALLER 'S INSTRUCTION S TO USER: After completing the ins tallation, the installer shall inform and/or demonstrate to the homeowner: 1. The lo cation of all the instructions in the fu rnace and that these instr uctions a nd the user s informatio n [...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 40 VI. TRO U B LESHOOTIN G NOTICE: BEFORE TROUBLESHOOTING, FAMILIARIZ E YOURSELF WIT H T HE START UP AND CHECKOUT PROCEDURE. ALL INST AL LATION AND SERVICES MUST BE P ERFORMED BY QUAL IFIED HEAT I NG CONT RACTORS. To a ssist you in troubleshooting this furnace, [...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 41 T R OUB LES H OOT I N G GU I DE T HE S YSTEM I S ST A RT E D BY SETTI NG T HE THERMOSTA T TO C A L L FOR HEA T . THE FO L LOW I NG SHOULD HELP ESTA BL I SH THE T Y PE OF MA LFUNCTI O N OR DEV IA T I O N FRO M THE NORMA L OP ERA TI ON. TO USE THI S DI A GRA M,[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 42 CH ECK W IR ING T O IND UCE R AN D IF O K, RE PLACE INDUC ER ASS EM BLY. AFTE R HOT SU RFACE IGNI TOR W AR M-UP, DO ES GAS VA LVE OPEN ? CH ECK W IR ING T O HO T S URFACE IGNIT OR AN D IF O K, RE PLACE HO T SURFA CE IGNIT OR ASS EMBLY. Yes Yes No Yes Yes Yes [...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 43 CH ECK FO R PRO PER MANIFOLD P RESSU RE. No Yes Yes Yes AFTER G AS VALVE O PENS, DO T HE BUR NER S I G NIT E? ADJUS T T O 3.5 " FO R NAT URAL GAS O R 1 0.0" W C FO R LP GAS IS IGN IT O R PO SIT IONE D CORREC TLY? REP O S IT IO N T O CO RR ECT LOCA T[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 44 DOES SYST EM RUN UNT I L T HERMOST AT I S SATISFIED? CH ECK AL L W IRIN G FOR LOOSE C O NNEC T I ONS . CH ECK FOR SHORT I N W I RE T O TH ERMOST A T AND CORRE CT IF NECESSARY. DOES BU RNER SH UT OFF W HEN TH ERMOST A T IS SA T ISFIED? No DOES TH E CIRCUL A TI[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 45 Y es TR OU BLESHO OTIN G C OM PLETE. Y es IF LED LIGH T FLA SHES: 1 FLASH , TH EN PAUSE SYSTEM L OCKO UT 2 FLASH ES, TH EN PAUSE PRESSURE SW ITCH STUC K CLO SED 3 FLASH ES, TH EN PAUSE PRESSURE SW ITCH STUC K OPEN 4 FLASH ES, TH EN PAUSE O PEN LIM I T SW I T [...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 46 Appen dix – A Replacem ent Parts List 1. Replacem ent parts list for CHB1 - 50, CHB1 - 75, CHB1 - 100 and CHB1 - 125.[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 47[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 48 2. Replacem ent parts list for CDB1 - 50, CD B1 - 75, CDB1 - 100 and CDB1 - 125.[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 49[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 50 Appen dix – B W iring Di a grams[...]

All in stallati ons and services must b e performed b y quali fied serv ice personn el. 51[...]