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Carrier 58MEC manual

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Table of contents for the manual

  • Page 1

    1 58MEC D E L U X E 4 --- W A Y M U L T I P O I S E 2 --- S T A G E CONDENSING GAS F URNACE SIZES 060 TO 120 Service and Maintenance Instructions NOTE : Read the en tire in structio n man ual b efo re starting th e installatio n . T ABLE OF CONTENTS P AGE SAFETY CONSIDERA TI ONS 1 ......................... GENERAL 2 ................................[...]

  • Page 2

    2 Installin g and serv icing heatin g eq uip m ent can be h azar dous due to gas a nd el e ct r ic a l c ompone nts . Only t r aine d and qualif ie d se r vic e agenc y per s onnel s hould inst all , r e pair , or ser v ic e heat in g equi pme nt. Unt r aine d per s onnel can per f orm basic maint e nance f unc ti ons de sc ri be d in User’ s Inf[...]

  • Page 3

    3 1. D iscon n ect all p ow er to the fu rnace. DO N OT TOU CH THE CONTROL OR ANY WIRE CONNECTED TO THE CONTROL PRIOR T O DISCHARGI NG YOUR BODY’S ELECTROST A TIC CHARGE T O GROUND. 2. Fir ml y touch a cl e an, unpa i nte d, me ta l sur f ac e of the fur - nac e cha s si s whic h is clos e to t he contr ol. T ools hel d in a per s on’ s hand du[...]

  • Page 4

    4 T a ble 1 – Furnac e Ai r Fil te r T able FURNACE CAS IN G WIDTH IN (MM) FIL TER QUAN TITY AN D SIZE * FIL TER TYPE IN (MM) * SID E RETURN { * IN (MM) BO T TOM RETURN * IN (MM) 17 - - - 1/2 (445) (1) 16 x 25 x 3/4 { (406 x 635 x 19) { (1) 16 x 25 x 3/4 (406 x 635 x 19) 3/4 (19 mm) thick washab le 21 (533 ) (1) 16 x 25 x 3/4 (406 x 635 x 19) (1)[...]

  • Page 5

    5 COLLECT OR BO X TUBE (PINK) COLLECT OR BO X TUBE (GREEN) INDUCER HOUSING (MOLDED) DRAIN TUBE (BEHIND COLLECT OR BO X DRAIN TUBE) COLLECT OR BO X DRAIN TUBE (BLUE) FIELD-INST ALLED F ACT OR Y -SUPPLIED DRAIN TUBE COUPLING (LEFT DRAIN OPTION) FIELD-INST ALLED F ACT OR Y -SUPPLIED DRAIN TUBE FIELD-INST ALLED F ACT OR Y -SUPPLIED 1 ⁄ 2 -IN. CPVC ST[...]

  • Page 6

    6 UNIT DAMAGE HAZARD Failu re to follo w this cautio n may resu lt in damag e to furn ace. Labe l al l w ir es pri or t o di sc onne ct ion w hen s e rvi ci ng cont rol s. W ir i ng er ror s ca n c aus e impr oper and da nge rous oper at i on. CAUTION ! 5. Rem o ve w ires fro m g as v alve. No te lo catio n for reassem bly. 6. Re move burne r box p[...]

  • Page 7

    7 21. Ch eck fo r g as leak s. 22. Repl a ce ma i n furna ce door . Step 4 — Cl ean in g H eat Ex ch an gers The foll owi ng it em s s hould be per for me d by a qua li f ie d se rvi c e techn ician . PRIMARY HE AT EXCH ANGE RS If the h eat ex ch ang ers g et an accu mu latio n of lig h t d irt or du st on the ins ide , they m ay be cl e ane d by[...]

  • Page 8

    8 induc e r as s embl y . See Fl ushi ng Colle ct or Box and Dra ina ge Syst e m s ec ti on f or de t ai ls on re movi ng induc e r a s se mbl y . Step 5 — Flushing Collector Box and Drainage Syst em 1. Tu rn o ff gas and electrical sup plies to fu rnace. 2. Rem ove mai n furna c e door. 3. Dis connec t i nduce r mot or and pre ssur e s wit c h w[...]

  • Page 9

    9 F urnac e i s sh ipped from fact ory in upfl ow configurati on. Pre ssure tube a nd dr ain t ube r outing MUST match the di agrams bel ow . Tub e loca tion whe n us ed in DO WNF LOW applic ation T ube l ocat i on whe n use d on HORIZONT AL - RIGHT appli catio n PLUG CAP COLLECTOR BOX DRAI N TUBE (BL UE & WHITE STRI PED) COLLECTOR BOX TUBE (PI[...]

  • Page 10

    10 BURNER FLAME BURNER MANIFOLD A89020 Fig. 1 1 - - Burner Fla me RTV PA M A93081 Fig. 12 - - Gas ket on Coll ec tor Box Step 6 — S ervi cin g Ho t Su rface Ign i ter The igni te r does NOT re quire a nnua l ins pec t ion. Che ck igni te r resistance b efo re remo v al. 1. Tu rn o ff gas and electrical sup plies to fu rnace. 2. Rem ove mai n furn[...]

  • Page 11

    11 A05075 Fig . 1 3 - - Ig niter B ra ck et 2-5/32˝ (55 mm) A04181 Fig. 14 - - Igni te r Step 7 — E lectri cal Co ntrols an d Wiri ng ELECTRICAL SHOCK HAZARD Fai l ure t o foll ow thi s war ning coul d res ult in per s onal i njur y or dea th. Ther e may be more than 1 e le ctr ic a l s uppl y to t he uni t . Chec k accessories an d co o lin g u[...]

  • Page 12

    12 115- V FUSED DISCONNECT SWITCH (WHEN REQUIRED) JUNCTION BOX CONTROL BOX 24- V TERMINAL BL OCK TWO- WIRE HEA TING- ONL Y FIVE WIRE 1-ST AGE THERMOST A T TERMINALS FIELD-SUPPLIED FUSED DISCONNECT CONDENSING UNIT FURNACE COM R WY R G C GND GND GND GND GND GND FIELD 24- V WIRING FIELD 115-, 208/230-, 460- V WIRING F ACTORY 24- V WIRING F ACTORY 115-[...]

  • Page 13

    13 TEST / TWIN HUM PL T SEC-2 SEC-1 COM 24V AC PL1 W2 Y DHUM G COM W/W1 Y/Y2 R 24V FUSE 3-AMP EAC-2 EAC-1 L1 BL -1 PR-1 L2 COM HI H T COOL LO H T SP ARE 2 SPARE 1 24V MTR T APS BLOWER SPEED TERMINALS 1 15-V AC (L2) NEUTRAL CONNECTIONS LED OPERA TION & DIAGNOSTIC LIGHT 3-AMP FUSE 24- V THERMOS T AT TERMINALS SET UP SWITCHES LOW HE A T ONL Y AND [...]

  • Page 14

    14 A99118 Fig. 19 - - Induce r H ousing Dr ai n T ube Cap Reco rd th e co de an d rep eat th e d isco nn ect an d reco n nect o f th e red wire, record in g each co de un til cod e 1 1 is d isplay ed in d icating no addi t iona l codes . Aft er t he la st c ode is dis playe d or af t er 2 minute s in th e co de recall m od e th e co n trol w ill re[...]

  • Page 15

    15 SERVICE To initiate the component test sequence, shut OFF the room thermostat or disconnect t he "R" t hermostat lead. Briefly short the TE ST/TWIN te rminal to the "Com 24V" terminal. St atus LED will flash last stat us code and then turn ON the inducer m otor. The inducer mot or will start i n HIGH speed and remain on HIGH [...]

  • Page 16

    16 A08343 Fig. 22 - - W ir ing Di agram 58MEC[...]

  • Page 17

    17 Is LED status light on? Is LED status light blinking rapidly without a pause? Is LED status light blinking ON/OFF slowly with a combination of short and l ong flashes? Determine status code. The status code is a 2 digit number with the first digit determined by the number of short flashes and the second digit by the number of long flashes? Go to[...]

  • Page 18

    18 11 NO PREVIOUS CODE – Stored codes are erased after 72 hour s. On RED LED boards stored status codes can also be erased whenev er power (115V or 24V) is interrupted. Run system through a low-heat, high-heat, or cooling cycle to chec k sys tem. 12 BLOWER ON AFTER PO WER UP – (115V OR 24V) – Normal operation. Blower r uns for the selected b [...]