Trane GHND-SVX01A-EN manuale d’uso

Installation Oper ation Maint enance July 2007 GHND-S VX0 1A -EN GHND GHPD High Ef ficienc y Pr opeller F an Gas Unit Heat er[...]

Pr ef ace and W ar nings and Cautions © 20 07 American Standard Inc. All rights reserved GHND-SVX0 1A-EN Li te ra ture Ch a ng e H is to ry : GHND-SVX0 1A-EN (May 20 07) Note: One copy of this docume nt ships inside the control panel of e ac h unit and is customer proper ty . It must be retained by the unit’ s maintenance per sonnel. This bookle[...]

GHND-SVX0 1A- EN 3 Model Number Descr iption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Gener al Infor mation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

4 GHND-SVX0 1A-EN • High Efficiency Propeller F an Gas Unit H eater T rane products are identified by a multip le c haracter model number that precisely identifies a par ticular type of unit. An ex planation of the alphanumeric model nu mber is shown below. It will enable th e owner of Service Engine er to define operation, components and accesso[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 5 Model Number Description DIGIT 9 — Gas contr ol option A = Single stage, standing p ilot D = Single stage, intermittent pilot ignition E = T wo stage, int emittent pilot ignition H = Electric model w/ room thermostat, intermittent pilot ignition J = Electric model w/ duct thermos[...]

6 GHND-SVX0 1A-EN • High Efficiency Propeller F an Gas Unit H eater Descr iption The High Ef ficiency Propeller F an Gas Unit He ater is a facto ry assembl ed, power vented, low static pressure type propeller fa n heater designed to be suspended within the space to be heated.THESE HEA TERS ARE NO T TO BE CONNECTED T O DUCTW ORK. The designs are c[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 7 General Information Gener al Saf ety Infor mation  WA R N I N G Hazardou s Service Pr ocedur es! The maint enance and tr oubleshooting pr ocedur es r ecommended in this section of the m anual could r esult in exposur e to electr ical, mechanical or other pot ential safety hazar [...]

8 High Efficiency P ropeller Fan Gas Unit Heater • GHND-S VX0 1A-EN General Information this manual. Also follow procedures listed on the “Gas Equ ipment Star t-Up Sheet” located in this manual. Use only the fuel for whic h the he ater is designed (s ee rating plate). Using L P gas in a heater that re quires natural g as, or vice versa, will [...]

Unit Size 30 45 60 75 100 125 150 175 200 225 250 300 350 400 PERFORMANCE DATA ‡ Input BTU/Hr 30,000 45,0 00 60,000 75,0 00 100,000 125, 000 150,000 17 5,000 200,00 0 225,000 250,000 300,000 350,000 40 0,000 Output BTU/Hr 24,000 36,000 48,000 60,000 80,000 100,000 120,000 140,00 0 160,000 180,0 00 200,000 240,000 280,000 320, 000 Thermal Efficien[...]

1 0 High Efficiency P ropeller Fan Gas Unit Heater • GHND-S VX0 1A-EN General Information Figur e 3. Dimensions standar d units[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 1 1 Do not install unit heaters in corrosive or flammable atmospheres! P remature failure of , or severe damage to th e unit will result! Not e: IMPOR T ANT! A void locations where extre me draf ts can af fect burner operation. Unit heaters must not be installed in locat ions where a[...]

12 High Efficiency P ropeller Fan Gas Unit Heater • GHND-S VX0 1A-EN Installation MOUNTING HEIGHT : Unit Heaters must be instal led at a minimum of 8 fe et (2.4m) above t he floor , measured to the bot tom of the unit. At hei ghts abov e 8 feet (2. 4m), less ef ficient air distribution will result. Occasi onally unit heaters must be mounted at he[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 13 Installation impede the warm air distribut ion pat t erns. He at throw distance s are presente d in T able 2, and Figure 2A . Not e 2. NR=Not recommended H=Distance f rom floor to bo ttomof the un it. Unit heaters should not be installed to maintain low tempera tures and/or freez [...]

1 4 High Efficiency P ropeller Fan Gas Unit Heater • GHND-S VX0 1A-EN Installation Note: Unit hea t er sizing should be base d on he at loss calculat ions where the unit heater output equals or ex ceeds heat loss. Heater output is approxima tely 80% of input BTU/HR. ra ting. Clear ances: Eac h Gas Unit Heate r shall be locat ed with respect t o b[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 15 Installation Not e 3. All hanging hardware and wood is not included with the unit (to be field supp lied). Figure 6. Heater Mounting Figur e 7 . Heater mounting 30 /400 MBTU Unit Sizes[...]

16 GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater  WA R N I N G Flammable V apors! When connecting t o existing g as lines be sur e t o v alve of f the gas supply ahead of connection point. T o av oi d explosion or possible fire, alwa ys purg e all r esi dual gas fr om pipi ng befor e cutting int o existing line o r r emoving [...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 17 Gas Supply Piping Not es: Determine the required Cu. Ft. / Hr. by dividing the rated heater input by 1000. For SI / Metric measurements: Convert unit Btu. / Hr . to kilowatts. Multiply the units input (kW) by 0.0965 to determine Cubic Meters / Hour. Not es: FOR NATURAL GAS: Select[...]

18 High Efficiency P ropeller Fan Gas Unit Heater • GHND-S VX0 1A-EN Gas Supply Piping Pipe Installation  WA R N I N G Hazard of Explosion of F ire! Heater installation f or use with propane (LP -gas) must be made by a qualified LP -Gas Dealer or LP -Gas Installer to ensur e all appropr iate codes, installati on pr ocedures, and precau tions h[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 1 9 Gas Supply Piping Note: IMPOR T ANT! Do not ov ertighten the inle t gas piping int o the valve. This may cause stresses that would cra c k the valve! Note: Use pipe joint seal ant resistant to t he action of liquefi ed petroleum g ases rega rdless of gas condu cted. The appliance[...]

20 GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater  WA R N I N G Hazardou s V oltage! Disconnect all electr ic po wer , including r emote disconnects bef ore servi cing. F ollo w pr oper lock out/tago ut pr ocedur es to ensur e the po wer can not be inadv ertently ener giz ed. F ailur e to disconnect po wer bef or e servicing c[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 21 Electrical Connections Thermostat wires tagged “W” and “G” must be connect ed together except whe n using a general purpose "SPDT" 24V AC relay and a standard thermostat with sub base, or when using low v oltage ther mostats. Also refer to Fi gure 9 for other wir[...]

22 GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater  WA R N I N G ! Carbon Mono xide P oisoning! Eac h unit must ha v e an individual vent pi pe and v e nt t ermi nal per fur nace section! Each unit MUS T NO T be connect ed to other v ent syst ems or to a c himney . Failur e to follo w this instruction could r esult in de ath or[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 23 Venting for Power Vented Unit Heaters The venting system for th ese appliances shall terminate at least four feet (1 .2m) below, four feet (1 .2m) horizont al from, or one foot (0.3m) abo ve any do or , window , or gravity air inlet into any building. Through the w all vents for t[...]

24 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Venting for Power Ve nted Unit Heaters Use single wall pipe constructe d of 26 gauge g alvanize d steel or material of equivalent durability and cor rosion resistance for the vent system. F or installation in Canada, use pipe constructed from 0.025 inc h thic k alum inum or 0.0[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 25 Venting for Power Vented Unit Heaters T o conver t the power venter for horiz ont al venting, remove the shipping suppor t brac ket; refer to Figures 6 through 1 0 and 24, and follow this procedure: 1 . Hold power ven ter motor in position. 2. Remove the three Phillip s-head screw[...]

26 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Venting for Power Ve nted Unit Heaters Figur e 14. Hor izontal ar rangemen t, single wall[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 27 Venting for Power Vented Unit Heaters Figur e 16. Hor izontal ar rangement , single w all v ent syste m to do uble wall te r mination Figur e 17 . V er tical ar rang ement, single w all v ent syst em to double w all ter mination[...]

28 GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater PO WER VENTED PROPELLER UNITS INTER MIT TENT (SP ARK) PIL O T IGNITION EXPLANA TIO N OF CON T ROLS: 1 . The unit he ater is equipped with a power venter system consisting of a power venter motor and blower , pressure switc h, and sealed flue collector in place of the conven tional[...]

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30 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Operation Figur e 18. Bur ner components BURNER DRAWER C OMMON P ARTS CONTROLS: 1 Main Burners 8. Main Gas V a lve (Honeywell) 2 Burner Manifold 8B. Main Gas V a lve (White Rodgers) 3 Air Shut ter s 9 Ignitor 4 Burner Springs 1 0 Pilot Burner 5 Main Burner Orifice 1 1 High Limi[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 31 Operation GAS INPUT RA TE Chec k the gas input rate as fo llows (Refer to general safety section for m etric conversions/SI units): Note: IMPOR T ANT! Never o verfire the unit heater , as this may cause unsatisfactory operation or shor ten the life of the heater . 1 . T urn off al[...]

32 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Operation Notes: This schedule is for units operating at normal altitu des of 2000 ft . (610m) or less. SPECIAL ORIFICES AR E REQUIRED FOR INSTALLATIONS A B OVE 2,000 FT. (610M ). Notes: When installed in Canada, any references to deration at altitudes in excess of 2000 feet (6[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 33 Operation PRIMAR Y AIR SHUTTER AD JUS TMENT Af ter the unit has been operating f or at least 15 minu tes, adjust the primary air flow to the burners. T urn the friction-loc k ed, manuall y -rotated air shut ter s cloc kwise to close, or countercloc kwise to open. Note: IMPOR T ANT[...]

34 GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater  WA R N I N G Hazardou s Service Pr ocedur es! The maint enance and tr oubleshooting pr ocedur es r ecommended in this section of the m anual could r esult in exposur e to electr ical, mechanical or other pot ential safety hazar ds. Always r ef er to the saf ety war nings pr ov[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 35 Maintenance 3. T o clean or replace the main burners, remove the bot tom panel and comp ress the spring by moving the burn er towa rd the manifold. Slide the opposite en d of the burner downw ard from the locating slot w hile retaining spring is still compresse d. Pull the burner [...]

36 GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater T rouble Shooting Guide: A. Flame lif ting from bur ner ports. POSSIBLE CAUSE(S) 1 . P ressure regulator set too high. 2. Defective Regulator . 3. Burner orifice too large . CORRECTIVE ACTION • R eset manifold pressure. Refer to "Operation". • R eplace regula tor sec[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 37 Trouble Shooting • R eset manifold pressure. Refer to “ O peration”; R eplace re gulator se ction of combination g as valve or complete valve; or Chec k with loca l gas suppli er for proper orifice size and replace. R efer to “ Operation ” . D . Y ello w tip flame (some [...]

38 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Trouble Shooting 3. Draf ts around heater . 4. Negative pre ssure in building. 5. Bloc ked flue collector . CORRECTIVE ACTION • Inspect all gas piping and repair . • C lean heat exc hanger/flue . • Eliminate drafts. Re fer to “Install ation ” . • S ee “Installatio[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 39 Trouble Shooting 7 . Defective therm ostat. 8. Defecti ve transformer . 9. Loose wiri ng. 1 0. Defective ignition con trol. CORRECTIVE ACTION • O pen all manual gas valves. • R ep lace fuse or turn on power suppl y . • T urn up thermostat. • Che c k limit switc h with cont[...]

40 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Trouble Shooting • Che c k operation at valve. Look for short (suc h as staples piercing thermostat wiring), and cor rect. • R epla ce gas valve. • R efer t o “ Operation” . L. Rapid bur ner cy cling. POSSIBLE CAUSE(S) 1 . L oose electrical connections at g as valve o[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 41 Trouble Shooting[...]

42 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Trouble Shooting CORRECTIVE ACTION • Che c k and tighten all wiring connections per diagrams. Thermost at wires tagged “W” and “G” must be connected toget her (unless special thermostats are used; if so, see thermostat wiring diagra m). S ee electrical connections. ?[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 43 Trouble Shooting 3. Thermostat malfunction. 4. Heater cycling on limit control. CORRECTIVE ACTION • R efer t o “ Operation” . • Th is is especially true when the heated space is enlarged. Have the heat los s calculated and compare to the heater output (80% of input). Y our[...]

44 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Trouble Shooting W. N o S p a rk . POSSIBLE CAUSE(S) 1 . Thermosta t not calling for heat. 2. No low voltage. 3. Spark gap closed o r too wide. 4. Broken or crac ked ceramic on spark electrode. CORRECTIVE ACTION • Close thermostat contacts. • Che c k for 24V across 24V term[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 45 Trouble Shooting • If present, replace main valve; if not,replace S860 0 Igniter . Z. Hi-Limit switc h tr ipping. POSSIBLE CAUSE(S) 1. V ertical run of flue is too short . 2. Unit is o verfiring. 3. Air flow too low CORRECTIVE ACTION • L engthen vertical run of flue pipe (see [...]

46 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Trouble Shooting • C hec k for 24V across 1 and 3 terminals on fan r elay . If 24V is present, jumpe r terminals numbered 2 and 4. If motor runs, th e relay is defective and must be replaced.If 24V is not present, c hec k wiring per diagrams. CC. P ow er vent er motor tur ns [...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 47 P ar t Identification Figur e 20. Pr opeller parts: 1 15/1/60 motor f an guar d f an blade hardw are Figur e 21 . Component par ts, bott om view D4430 Fan Guard Fan Blade Hardware Hardware Motor[...]

48 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Part Identification Figur e 22. Int er nal furn ace components Figur e 23. Bur ner assembly par ts[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 49 Part Identification Not e 1. For it em No. 6, use counter -clockwise rotation. Not e 2. DO NOT OVERTIGHTEN CELCON NUT! HA ND TIGHTEN ONL Y! DO NOT USE T OOLS! Approximate 1/3 turn maxi mum or 8 inch pounds is sufficien t from the point w here the tube d oes not slip in or ou t. No[...]

50 High Efficiency P r opeller Fa n Gas Unit Heater • GHND-SVX0 1A-EN Part Identification INS T ALLA TION INS TRUCTIONS FOR FIELD REPLACEMENT OF PO WER VENTER MO T OR  WA R N I N G Hazardou s V oltage and Gas! T urn of f the gas supply and disconnect all electr ic pow er , including r emote disconnects bef or e servicing unit. F ollow pr oper [...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 51 Part Identification T OOLS AND P ARTS NEEDED: Wire Stripper and Crimp er; Slot ted Head and #2 Phillips Head S crewdri ver; 3/8" Wre nc h; 1/8" Allen W renc h (long handle); marker; (1) 1/4" push on terminal for Wire. Note: 1 . R emove the co ver from the R elay J u[...]

52 GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater Customer ___________ ___________ Job Name & Number ________ _________________ PRE-INSPECTION INFORMA TION With power and g a s of f. T ype of Equip. Unit Heater , Duct Furnace, Indoor , Roof top Serial Number_____________________ ____ Model Number _______ ___________________ N[...]

GHND-SVX0 1A-EN • High Efficiency Propeller Fan Gas Unit Heater 53 Gas Equipment Start-Up BL O WER (with pow er on and gas of f) Chec k voltage L1 _____ L2 _____ L3 _____ Chec k rotation of main blower . Chec k motor amps L1 _____ L2 _____ L3 _____ Blower RPM ________ _____ Chec k air fi lters . (Record quantity & s iz e.) GAS HEA TING (with [...]

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Tr a n e A business of American Standard Companies www .trane.com For more information, contact your loc al T rane office or e-mail us at comfort@trane.com Literature O rder Number GHND-SVX0 1A-EN Date 07/07 Supersedes GHND-IOM-1A (04/1 992) T rane has a policy of continuous product and pro duct data improvement and reserves the right to c hange de[...]