Bryant 315AAV manuale d’uso

1 Install ation , Start - - up , Operati ng and Ser vice a nd Mainte nance Instr uct ions Series 150/F 315AA V/JA V V ARIABLE - - SP EED, INDUCED - - COMBUSTION DELUXE 4- - W A Y MUL TIPOISE GAS FURNACE SAFETY CONSIDERA TI ONS 2 ........................ INTRODUCTI ON 4 .................................. CODES AND ST ANDARDS 4 ......................[...]

2 SAF ETY CONSIDERA TIONS FIRE, EXPLOSI ON, ELECTRICAL SHOCK, AND CARBON MONOXIDE POI SONING HAZARD Fai l ure t o f oll ow this wa rni ng could r e sul t in da nge rous oper ati on, per sonal i nj ury , dea t h, or prope r ty dama ge. Im prope r ins tal l at ion, a djust me nt, a l te ra tion, s e rvi ce , ma int ena nce, or us e c an ca us e ca rb[...]

3 A10269 Fig. 1 - - Cle arance s t o Combus ti ble s 315AAV[...]

4 INTRODUCTION The Ser ies 150/F 4 - -way mu ltipoise C ateg ory I fan - - assisted furn ace is C S A (formerly A .G .A. an d C.G .A.) d esign - - certified. A Cat e gory I fan- -as si s te d fur na ce is a n appli a nce equippe d wit h a n int e gra l me cha nica l mea ns to ei the r draw or forc e product s of com bust ion t hrough the c ombus ti[...]

5 A A B [736.9] [736.9] 29 29 Ø7/8 Ø7/8 [22.2] [22.2] ACCESSORY ACCESSORY 5 15/16 5 15/16 [150.7] [150.7] 28.39 28.39 [721.2] [721.2] Ø7/8 Ø7/8 [22.2] [22.2] ACCESSORY ACCESSORY 14 7/8 14 7/8 [337.3] [337.3] (BOTH SIDES) (BOTH SIDES) Ø7/8 Ø7/8 [22.2] [22.2] ACCESSORY ACCESSORY Ø7/8 Ø7/8 [22.2] [22.2] ACCESSORY ACCESSORY Ø1 3/4 Ø1 3/4 [44.[...]

6 THE BLOWER IS LOCA TED T O THE RIGHT OF THE BURNER SECTION, AND AIR CONDITIONED AIR IS DISCHARGED T O THE LEFT . THE BLOWER IS LOCA TED BELOW THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED UPW ARD . THE BLOWER IS LOCA TED ABO VE THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED DOWNW ARD THE BLOWER IS LOCA TED T O THE LEFT OF THE BURNE[...]

7 18-IN. (457.2 mm) MINIMUM TO BURNERS A93044 Fig. 5 - - Ins tal lat i on in a Gar age FIRE HAZARD Fai l ure to fol low thi s w ar ning c ould re sul t in per s onal inj ur y , dea th a nd/ or pr oper ty dam age . Do not i nsta l l t he f ur nac e on its ba ck or hang f urna ce w it h cont r ol compa rtme nt fac ing downwar d. Saf e ty c ont rol op[...]

8 T able 2 – Mi nim um Fr ee Ar ea Re quir ed for Eac h Combusti on Ai r ope ning of Duct to Out doors FUR NACE INPUT (BT UH) TWO HORIZON T AL DUCTS SIN GLE DUC T OR OPENIN G TWO OPENINGS O R VER TIC AL DU CTS (1 SQ. IN. /2,000 BTU H) ( 1,100 SQ. MM/KW) (1 SQ. IN./3,000 BT UH ) ( 734 SQ. MM/KW) ( 1 SQ. IN./4,000 BT UH ) ( 550 SQ. MM/KW) F ree Are[...]

9 1 SQ IN . PER 4000 BTUH* DUCTS TO O UTDOORS 1 SQ IN. PER 4000 BTUH* C IRCULA TING AIR DUCTS VENT THR OUGH R OOF D B A C E 1 SQ IN. PER 4000 BTUH* DUCT TO OUTDOORS CIRCULA TING AIR DUCT S 1 SQ IN. PER 2000 BTUH* 1 SQ IN. PER 2000 BTUH* DUCT S TO OUTDOORS 12 ″ MAX 12 ″ MAX 12 ″ MAX 12 ″ MAX 12 ″ MAX OUTDOORS 1 SQ IN . PER 4000 BTUH* F G C[...]

10 Infiltratio n rates greater than 0 .60 A CH sh all no t be used . Th e mi nimum re quire d vol ume of t he spac e var i es wi t h the numbe r of ACH a nd s hal l be det e rmi ned per T able 3 or Equa ti ons 1 and 2. Determ ine th e mi nim um requ ired vo lu me fo r each ap p liance i n the sp ace an d ad d th e vo lu mes to geth er to g et th e [...]

11 1 3 / 4 ″ 1 3 / 4 ″ 1 3/ 4 ″ 1 3/ 4 ″ 5/ 16 ″ 5 / 16 ″ 5/ 16 ″ 5/ 16 ″ (44mm) (8mm) (44mm) (8mm) (8mm) (8mm) (44mm) (44mm) A89014 Fig. 10 - - Level ing Legs NOTE : B o ttom clo sure m u st b e u sed when lev elin g legs are use d. It may be nece ssa ry to r em ove and r e ins ta ll bott om c los ure pane l to i nst all le ve li n[...]

12 PLENUM OPENING C A B D FLOOR OPENING A96283 Fig. 1 1 - - Floor and Plenum Ope ning Dim ens i ons Roll- - Out Pr otection Provi de a mi nimum 17 - - 3/4- - in. X 22- - in. ( 451 X 559 mm) pi ec e of she et me ta l for fl ame rol l- - out prote c ti on i n fr ont of burne r a rea for fu rn aces closer th an 1 2 - - in . (30 5 m m) a bove the c omb[...]

13 T able 4 – Ope ning Di me nsi ons - - In. ( mm) FURNACE CASIN G WIDTH IN. (mm) APPLICATION PLEN UM OPENI NG F L OOR OPENING A B C D 14–3/16 (360) Upflow Ap plication s on Comb ustib le or Noncomb ustible Floor- ing (KG ASB subbas e not re quired) 12 - - - 11/ 16 (322) 21 - - - 5/ 8 (549) 13 - - - 5/ 16 (338) 22 - - - 1/ 4 (565) Downflow Ap p[...]

14 Supply Air Conne ct i ons For a fur na ce not e quippe d with a c ooling coi l, the outl e t duc t shall b e p rov id ed w ith a rem o vab le access pan el. T hi s op en ing shall b e accessib le wh en th e furn ace is installed an d sh all b e of such a size that t he h eat ex chan g er can be v iewed for p o ssib le openi ngs us ing li ght as [...]

15 1 / 4 " (6mm) THREADED ROD 4 REQ. SECURE ANGLE IRON TO BOTTOM OF FURNACE WITH 3 #8 x 3 / 4 " (19mm) SCREWS TYPICAL FOR 2 SUPPORTS 1” (25mm) SQUARE, 1-1/4”x1-1/4”x1/8” (32x32x3mm) ANGLE IRON OR UNI-STRUT MAY BE USED (2) HEX NUTS, (2) WASHERS & (2) LOCK WASHERS REQ. PER ROD 8" (203mm) MIN FOR DOOR REMOVAL OUTER DOOR A S [...]

16 30-IN . (762mm) MIN WORK AREA 6 ″ M IN * TYPE-B VENT 17 3 / 4 ″ 22 ″ SHEET MET AL SEDIMENT TRAP EQUIPMENT MANU AL SHUT -OFF GAS VA LV E LINE CONT A CT ONL Y PERMISSIBLE BETWEEN LINES FORMED BY INTERSECTIONS OF THE T OP AND TW O SIDES OF THE FURNA CE JA CKET AND BUILDING JOISTS , STUDS , OR FRAMING. GAS ENTR Y 17 3 / 4 ″ (451mm) OVERALL 4[...]

17 A02163 Fig. 19 - - Downfl ow Re tur n Ai r Conf igur ations and Re st r ic ti ons A02162 Fig. 20 - - Hori zont al R et urn A ir Conf igur ati ons and R es tr ict ions 315AAV[...]

18 T a ble 5 – Air D elivery - - C FM (With Filter)* Unit Size Oper ating Mode CFM Airflo w Se ttin g Ext ernal Static Pressur e Range* (In. W .C.) Externa l Static Pressur e (ESP) (IN. W .C.) 0.1 0. 2 0.3 0. 4 0.5 0. 6 0.7 0. 8 0.9 1 070 - - - 12 AIRFLOW (CFM) †† Low He at 735 (615)† 0 - - - 0.50 735 735 735 735 725 High Heat 1180 (1060)?[...]

19 Ret urn Air Conne ct ions FIRE HAZARD A f ai lur e to f oll ow this war ning coul d ca use per s onal inj ury , dea th and/ or pr opert y da ma ge. Nev er con n ect return - - air du cts to th e b ack o f th e furn ace. Foll ow ins tr uct ions bel ow . ! W ARNING Downfl ow F urn a ces The ret ur n - - ai r duct must be conne cte d to ret ur n - [...]

20 shoul d ext end bel ow leve l of furna c e gas cont rol s. Pla c e a ground joi nt uni on betwe en fur na ce gas c ont rol val ve and e xter ior ma nual equi pme nt gas s hutof f val ve . A 1/8- - in. (3 mm ) NP T plugge d ta pping, accessible fo r test g aug e conne cti on, MUST be i nst al led i mme dia tel y ups tr ea m of gas suppl y connec [...]

21 T a ble 7 – Electrica l Da ta FURNACE SIZE V O L T S --- H E R T Z --- PHASE OPER ATING VOL TAGE RAN GE MAX. UNIT AMPS UNI T AMP ACITY # MAX . WIRE L E N G T H --- F T ( M ) } MAX . FUSE OR CKT BK R AMPS { MIN. WIRE GAUGE Max . Min. 070 - - - 12/ 036070 1 1 5 --- 6 0 --- 1 127 104 9.0 11.99 30 (9.0) 15 14 090 - - - 16/ 048090 1 1 5 --- 6 0 ---[...]

22 A10141 Fig. 24 - - Fie ld- - Supplie d Ele ctr i cal Box on Furnac e Casi ng Powe r Cor d I nst all ati on in Furnac e J- -Bo x NOTE : P o wer co rd s mu st b e able to han d le th e electrical re qui re me nts l is ted in T abl e 6. Re fe r to power c ord ma nufa c tur er’ s li st ings . 1. Remove c ove r fr om J- - Box. 2. Route li st e d po[...]

23 115-VOLT FIELD- SUPPLIED FUSED DISCONNECT JUNCTION BOX CONTROL BOX 24-VOLT TERMINAL BLOCK THREE-WIRE HEATING- ONLY FIVE WIRE NOTE 2 NOTE 1 1-STAGE THERMOSTAT TERMINALS FIELD-SUPPLIED FUSED DISCONNECT CONDENSING UNIT FURNACE COM R WC Y R G GND GND FIELD 24-VOLT WIRING FIELD 115-, 208/230-, 460-VOLT WIRING FACTORY 24-VOLT WIRING FACTORY 115-VOLT W[...]

24 CARBON MONOXIDE POI SONING HAZARD Failu re to follo w the steps ou tlined belo w fo r each app lian ce c o nn ected to the v entin g sy stem b eing p laced into oper ati on coul d re s ult in ca r bon monoxide poi s oning or death . Th e follo win g steps shall be follo wed fo r each ap plian ce con n ected to the ven tin g system b eing p laced[...]

25 See notes 2, 5, 8, 10, 11 and 12 on the page following these figures A03179 Fig. 28 - - T wo - - Stage Furnac e wi th T wo - - Spee d Air Condi - tion er See notes 1, 2, 4, 6, 7, 9, 10, 11, and 15 on the page following these figures A03180 Fig. 29 - - T wo - - Stage Furnac e with Singl e- - Spee d Heat Pump (Dual Fue l) See notes 1, 2, 3, 4, 6, [...]

26 7 See notes 1, 2, 3, 4, 12, 13, 14, 15, and 17 on the page follo wing these figures A03182 Fig. 32 - - Dual- - Fuel The rmos tat wit h T wo - - Stage Fur nace and T wo - - Speed He at Pump See notes 2, 11, and 12 on the page follo wing these figures A03183 Fig. 33 - - T wo - - Stage Ther mos tat wi t h T wo - - Stage Furnac e and T wo - - Spee d[...]

27 NOTES FOR F IGURES 27 - - 34 1. Hea t pump MUST have a high pre ssur e s wit c h for dua l f uel a ppli c at ions . 2. Ref er t o outdoor equi pme nt Ins tal la tion Ins tr uc ti ons for a dd iti onal infor ma ti on a nd se t up proc e dure . 3. If t he hea t pump dat e code i s 1501E or ea rl ie r, s e le c t the “ ZONE” pos ition o n th e [...]

28 A10133 Fig. 35 - - Chimne y Inspe c ti on Chart 315AAV[...]

29 Masonr y Chi mney Re quir emen t NOTE : Th ese fu rnaces are C SA d esig n - - certified fo r u se in exterio r tile - - lined m aso nry ch im ney s w ith a factory accesso ry Ch imn ey A d apter K it. Refer t o th e furnace ratin g p late for correct kit us a ge. The Chi mne y Adapt er Kit s are f or use wit h ONL Y furn aces hav ing a Chim ney[...]

30 T able 9 – Mi nim um All owable Input Rat ing of Space- - Heati ng Applianc e in Thousands of Btuh pe r Hour VENT HEI GHT FT . (M ) IN TERNAL AREA OF CHI MNEY SQ . IN . (SQ . MM) 12 (7741) 19 (12258) 28 18064) 38 (24516) Local 99% Winter Design T emperature: 17 to 26 d egrees F 6 0 55 99 141 8 52 74 111 154 10 NR 90 125 169 15 NR NR 167 212 20[...]

31 SEE NO TES: 1,2,4,7,8,9 on the page follo wing these figures A03208 Fig. 36 - - Upfl ow Appli c ati on - - V ent E lbow Up SEE NO TES: 1,2,3,4,7,8,9 on the pages follo wing these figures A03209 Fig. 37 - - Upfl ow Appli c ati on - - V ent E lbow Ri ght SEE NO TES:1,2,3,4,5,7,8,9 on the page follo wing these figures A03210 Fig. 38 - - Downfl ow A[...]

32 SEE NO TES: 1,2,4,5,6,7,8,9,10 on the page follo wing these figures A03207 Fig. 40 - - Downf low Appli c ati on - - V ent El bow Lef t the n Up SEE NO TES:1,2,3,4,5,7,8,9 on the page follo wing these figures. A03212 Fig. 41 - - Downfl ow Appli cati on - - V ent Elbow U p the n Right SEE NO TES: 1,2,4,7,8,9 on the page follo wing these figures A0[...]

33 SEE NO TES: 1,2,4,5,7,8,9 on the page follo wing these figures A03215 Fig. 45 - - Hor iz ontal Le ft A ppli cat ion - - V ent El bow Up SEE NO TES: 1,2,4,5,7,8,9 on the page follo wing these figures A03216 Fig. 46 - - Hor iz ontal Le ft A ppli cat ion - - V ent El bow Right SEE NO TES: 1,2,4,5,7,8,9 on the page follo wing these figures A03219 Fi[...]

34 Ca utio n !! Fo r th e follo win g a p plica tio ns, u se the m inim um vertica l heig h ts as sp ecified b elo w . Fo r all o th er ap plica tion s, fo llow exclusiv ely th e Na tio na l F uel G as C od e. FURNACE ORIE NT ATION VE NT OR I ENTAT ION FURNACE I NPUT (B TUH/HR) MIN. V E NT DIAM ETER IN. (mm) * MIN . VERTICAL VENT HEIGHT FT . (M ) *[...]

35 BURNER ORIFICE A93059 Fig. 50 - - Or if ic e Hol e R Y W G 10 TURNS THERMOSTAT SUBBASE TERMINALS WITH THERMOSTAT REMOVED (ANITICIPATOR, CLOCK, ETC., MUST BE OUT OF CIRCUIT.) HOOK-AROUND AMMETER EXAMPLE: 5.0 AMPS ON AMMETER 10 TURNS AROUND JAWS = 0.5 AMPS FOR THERMOSTAT ANTICIPATOR SETTING FROM UNIT 24-V CONTROL TERMINALS A96316 Fig. 51 - - Amp. [...]

36 T able 10 – Fur nace Se tup Swit ch Des cri pti on SETUP SWI TCH NO. SWITCH NAME NO RM A L POSITION DESC RIPTION OF USE S W 1 --- 1 Status Cod e Recov ery OFF T u rn ON to retrie ve up to 7 stor ed sta tus code s for tr oub leshootin g as- sist ance when R thermostat lead is disc onnected. S W 1 --- 2 Adaptive Heat Mode OFF Allows 2 - - - stag[...]

37 c. Fin d in stallation altitu de in T ab le 14 or 15 . d. Find cl ose st nat ur al ga s he at va lue and spe cif ic gra vit y in T abl e 14 or 15. e. Fo llo w heat valu e and specific grav ity lines to po in t of intersectio n to fin d orifice size and low - - an d h igh - - heat ma nif old pre ssur e s et t ings f or prope r opera tion. f. C he[...]

38 6. Set T empe ra tur e Ris e NOTE : Blo wer access door must be ins ta ll ed whe n taki ng temp eratu re rise readin g . Leav in g b low er access door of f wil l result in inco rrect tem peratu re measu remen ts. FURNACE DAMAGE HAZARD Failu re to follow this cautio n may result in sho rten furn ace life. Set air tem peratu re rise with in limit[...]

39 for Low Spe ed or High Spee d cooli ng. Se e T abl e 5- - Ai r Deliv ery - - C FM (With Filter ). Depen din g o n th e mod el si z e, t he cool ing ai rf low c an be adj us te d f rom 1. tons nom- ina l cool i ng to 3 . , t o 4 or t o 6 tons of nomi na l c ooli ng bas ed on 350 cf m t on. Th e coolin g airflo w is ad justed b y tu rnin g Setu p [...]

40 A08464 Fig. 53 - - Wi r ing Diagr am 315AAV[...]

41 T a ble 1 3 – G as R a te (CU ft./hr) SEC ONDS G FOR 1 RE VOLUTIO N SIZE O F TEST DI AL SEC ONDS FOR 1 RE VOLUTIO N SIZE O F TEST DI AL 1C uF t . 2C uF t . 5C uF t . 1C uF t . 2C uF t . 5C uF t . 10 360 720 1800 50 72 144 360 11 327 655 1636 51 71 141 355 12 300 600 1500 52 69 138 346 13 277 555 1385 53 68 136 340 14 257 514 1286 54 67 133 333[...]

42 T able 14 – Orif ic e Size and Manif old Pr ess ur e (In. W .C. ) for G as Input Rat e (T abulat ed D ata Bas ed on 22, 000 Btuh H igh- - Heat/ 14,500 Bt uh for Low- - Heat per Burne r , D er ate d 4 Pe r c ent for Each 1000 Ft . (305 M ) Above Sea Le vel ) AL TITUDE RANG E FT . (M ) AVG. GAS HEA T V ALU E (BTUH/CU F T .) SPEC IFIC GR AVITY O [...]

43 T able 14 - - Ori fi ce Si ze and Manifol d Pr es sur e (I n. W .C.) f or Gas I nput Rate ( Con’t .) (T abulat ed D ata Bas ed on 22, 000 Btuh H igh- - Heat/ 14,500 Bt uh for Low- - Heat per Burne r , De rat e d 4 Per ce nt f or Each 1000 Ft . Ab o ve S ea L ev el) AL TITUDE RANGE FT . (M ) AVG. GAS HEA T VAL UE AT AL TITUD E (BTU H/C U F T .)[...]

44 T able 15 – Orif ic e Size and Manif old Pr ess ur e (In. W .C. ) for Gas I nput Rate (T abulat ed D ata Bas ed on 21, 000 Btuh Hi gh - - He at/ 14,500 Bt uh for Low- - He at Pe r B urne r , De rate d 4 Per ce nt for Each 1000 Ft . (305 M ) Above Sea le v e l) AL TITUDE RAN GE FT . (M ) AVG. GAS HEA T VAL UE (BTU H/C U FT .) SPECI FIC GRA VITY[...]

45 T able 15 - - Or if ic e Siz e and Manif old Pr es sur e (In. W .C. ) for Gas I nput Rate ( Con’t .) (T abulat ed D ata Bas ed on 21, 000 Btuh Hi gh - - He at/ 14,500 Bt uh for Low - - Heat Pe r Burne r , De rate d 4 Per ce nt for Eac h 1000 Ft. (305 M ) Above Sea le vel) AL TITUDE RAN GE FT . (M ) AVG. GAS HEA T VAL UE AT AL TITUD E (BTU H/C [...]

46 Ch eck Sa fety C on tr ol s Th e flame sen so r, g as valv e, an d p ressu re switch were all ch eck ed in t he Sta r t- - up proce dure s ect i on as pa rt of norma l oper a ti on. 1. C h eck Main Lim it Switch This cont rol shut s of f combus t ion s yst e m and e ner giz es ai r- - ci r cul a ti ng blowe r motor , if f urna ce over heat s . B[...]

47 the fu rn ace, an d c ondit ione d ai r is dis c har ged upwar d. Since t his fur na ce can be inst all e d in a ny of t he 4 posi t ions s hown in Fi g. 4, you mus t r evi se your orie nt at ion t o c ompone nt loc ati on accord in gl y . Electrica l C on trols a nd W iring ELECTRICAL SHOCK HAZARD Fai l ure to fol l ow thi s w ar ni ng coul d r[...]

48 7. RELEASE BLOWER ACCESS DOOR SWITCH, rea t- tach w ire to “R” term inal o n furn ace co ntro l b oard , rep lace bl ow er access door , and re plac e out er access door . CARE AND MAINTENANCE FIRE OR EXPLOSI ON HAZARD Fai l ure to fol low thi s w ar ning c ould re sul t in per s onal inj ur y , dea th a nd/ or pr oper ty dam age . Ne ver s [...]

49 T a ble 1 6 – Filter S ize Info rma tio n - - In. (mm) FURNACE CASIN G WIDTH FILTER SIZE FIL TER TYPE SIDE RETURN BOT TO M RETURN 14 - - - 1/ 2 (368) 16 X 25 X 3/4 (406 X 635 X 19) 14 X 25 X 3/4 (356 X 635 X 19) Wa sh a b l e * 17 - - - 1/ 2 (445) 16 X 25 X 3/4 (406 X 635 X 19) 16 X 25 X 3/4 (406 X 635 X 19) Wa sh a b l e * 21 (533) 16 X 25 X [...]

50 A05025 Fig . 5 4 - - Ig niter P ositio n - - S id e View 1-7/8 (47.6 mm) A05026 Fig. 55 - - Igni t er Pos it ion - - T op Vi e w If it b eco mes n ecessary to clean th e h eat exch an gers b ecau se of du st o r corro sio n, p ro ceed as fo llo ws: 1. Tu rn O FF g as and electrical po wer to furn ace. 2. R em ov e o ut er access door . 3. Dis c [...]

51 13. Rec onne ct wire s to the f oll owi ng compone nts (Us e con- nec tion di agr am on wir ing la bel , i f wire s we re not ma rke d for r e conne cti on loca tions .) : a. Draft safeg u ard sw itch. b. Induc er m otor . c. Pressu re sw itches. d. Limi t over t empe rat ure s witc h. e. Gas v alv e. f. Ho t su rface ign iter . g. F lam e- - se[...]

52 AIR CONDITIONING AIRFLO W 070 MODEL 090 MODEL 110, 135, T ONS (12,000 BTU/HR) (CFM) & 155 MODELS 1-1/2 525 X X 2 700 X X X 2-1/2 875 X X X 3 1050 X X X 3-1/2 1225 X X X 4 1400 X X 5 1750 X 6 2100 X X-INDICA TES AN ALLOW ABLE SELECTION. AIR CONDITIONING (A/C) OR CONTINUOUS-F AN (CF) AIRFLOW SELECTION CHAR T BASED ON 350 CFM/T ON SW1-5 OFF MOD[...]

53 se conds af t er t he GVR cl ose s, a 2 - - se c ond fl a me prov- ing p erio d beg in s. The HS I igniter will remain en er- gized un til th e flame is sen sed o r u ntil th e 2 - - seco n d fl a me provi ng peri od begi ns. I f the f urna ce cont rol CP U selects h igh - - heat o p eration , th e hig h - - h eat gas val ve sol e noid GV- - HI [...]

54 The fur na ce c ontr o l CPU ca n st ar t up the c ooli ng unit i n e it her low- - or high- - cool ing. I f sta r ti ng up in low- - cool ing, the f urna ce con tro l CPU d etermines the l ow - - co olin g o n - - time (fro m 0 to 2 0 min ut es) wh ich is p ermitted b efore sw itchin g to h ig h - - coo lin g. If the power is i nt er rupt ed, t[...]

55 blo w er airflow after th e h eating cycle is co mp leted . In high- - hea t, t he fur nac e cont r ol CPU wil l drop the blowe r mot or BL WM to low- - heat ai rf low during the se lec t ed blowe r- - OFF de la y pe ri od bef ore tr a nsi ti oni ng to cont inu- ous- - blowe r a ir fl ow . Whe n the the rm ost a t “c al l s for low- - cool ing[...]

56 Is AMBER LED status light blinking ON/OFF slowly with a combination of short and long flashes? Is AMBER LED status light blinking rapidly without a pause? Is AMBER LED status light on? Deter mine status cod e. The status code is a 2 digit number with t he firs t digit determined b y the number of short flashes and the second digit by the n umber[...]

57 11 NO PREVIOUS CODE – Status codes are erased after 72 hours or can be manually erased by putting setup s witch SW1-1 in the ON position and jumpering R, W/W1, and Y/Y2 simultaneously until status code #11 is flashed. Run system through a low-heat, high-heat, or cooling cycle to chec k system. 12 BLO WER ON AFTER PO WER UP – (115V OR 24V) ?[...]

58 25 INV ALID MODEL SELECTION OR SETUP ERROR – If status code 25 onl y flashes 4 times on power-up the control is missing its model plug PL4 and is defaulting to the model selection stored in memory . If status code 25 flashes continuously it could indicate an y of the follo wing: - Model plug PL4 is missing and there is no valid model stored in[...]

59 T a bl e 17 – A ccesso ry List DESCRI PTI ON PA R T N U M B E R NOTE S Medi a Filter C abin et FILCABXX0016 Filter cabinet 16” (406 mm) for 4” (102 mm) wide filter FILCABXX0020 Filter cabinet 20” (508 mm) for 4” (102 mm) wide filter FILCABXX0024 Filter cabinet 24” (610 mm) for 4” (102 mm) wide filter Cartridge Media Filter FILXXCAR[...]

60 P AR TS REP LACEMENT INFORMA TION GUIDE CASING GROUP Oute r door Blowe r door T o p filler p late Bo ttom filler plate Bo ttom en clo sure ELECTRICAL GROUP Co n trol b rack et Junc tion box Lim it switch (es) Cir cui t board Door s wit c h Tran sfo rmer W ir i ng har ness 1 15v W ir i ng har ness 24v BLOWER GROUP Blowe r housing Blo w er cuto ff[...]