Carrier IDEALCOMFORT 58MVC Operations Instructions

Infinity ICS --- Model 58MVCDir e ct Vent , 4---Way Multipo iseCo ndensing Gas Fur nac eWith IdealComfort™ Ideal Humidity™Installation, Start---Up and

10PLUGCAPCOLLECTOR BOX DRAIN TUBE (BLUE & WHITE STRIPED)INDUCER HOUSING (MOLDED) DRAIN TUBE (BEHIND COLLECTOR BOX DRAIN TUBE)COLLECTOR BOX TUBE (P

11PLUGCAPCOLLECTOR BOX DRAIN TUBE (BLUE & WHITE STRIPED)INDUCER HOUSING (MOLDED) DRAIN TUBE (VIOLET)COLLECTOR BOX TUBE (PINK)COLLECTOR BOX DRAIN T

12CAP PLUGCOLLECTOR BOX DRAIN TUBE (BLUE & WHITE STRIPED) INDUCER HOUSING (MOLDED) DRAIN TUBE (VIOLET) COLLECTOR BOX TUBE (PINK) COLLECTOR BOX DRA

13COMBUSTION - AIRINTAKEVENTMANUALSHUTOFFGAS VALVESEDIMENTTRAPCONDENSATETRAPDRAINACCESS OPENINGFOR TRAP30″ (762 mm)MINWORK AREAA 12-IN. (305 mm) MIN H

14PROPERTY DAMAGEFailure to follow this caution may result in propertydamage.Local codes may require a drain pan under entire furnaceand condensate tr

15HORIZONTAL RIGHT(SUPPLY--AIR DISCHARGE) APPLICATIONSA horizontal right furnace application is where furnace blower islocated to the left of combusti

16NOTE: See Fig. 14 or tube routing label on main furnace door tocheck for proper connections.Relocate tubes as described below.1. Disconnect collecto

17UNIT DAMAGE HAZARDThis gas furnace may be used for construction heatprovided that:--The furnace is permanently installed with all electricalwiring,

181 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)A89014Fig. 18 -- Leveling LegsINSTALLATIONLeveling L

19(OR OTHER MANUFACTURER’SCOIL CASING WHEN USED)FURNACECOMBUSTIBLEFLOORINGDOWNFLOWSUBBASESHEET METALPLENUMFLOOROPENINGA07585Fig. 20 -- Furnace, Plenum

2Required Notice for Massachusetts InstallationsIMPORTANTThe Commonwealth of Massachusetts requires compliance with regulation 248 CMR as follows:5.08

20NOTES:ANGLEIRON OREQUIVALENT(B)(A) ROD LOCATIONUSING DIMPLELOCATORS(SEE DIMENSIONALDWG FORLOCATIONS)13/16-IN. (21mm) MAXALTERNATE SUPPORTLOCATION FR

21Table 1 – Opening Dimensions -- In. (mm)FURNACECASINGWIDTHAPPLICATION(APPROVED FACTORY SUPPLIED CASED COILS ANDCOIL BOX: CD5, CKR, CAPVP, CARVP, CAP

22or other accessories. All accessories MUST be connected externalto furnace main casing.Return Air ConnectionsFIRE HAZARDFailure to follow this warni

23NOTE: Side return--air openings can ONLY be used in Upflowconfigurations. Install filter(s) as shown in Fig. 24.For bottom return--air applications,

24UNIONSEDIMENTTRAPMANUALSHUTOFFVALVE(REQUIRED)GASSUPPLYA93324Fig. 27 -- Typical Gas Pipe Arrangement COMBUSTION-AIR PIPE GROMMETGAS LINE GROMMETGAS L

25Electrical ConnectionsSee Fig. 29 for field wiring diagram showing typical field 115--vand 24--v wiring. Check all factory and field electrical conn

26Table 4 – Electrical DataUNIT SIZEV O LT S ---H E R T Z ---PHASEOPERATING VOLTAGERANGEMAXIMUMUNITAMPSMINIMUMWIRE SIZEMAXIMUMWIRELENGTHFT (M)}MAXIMUM

27Any electrical shorts of 24--v wiring during installation, service, ormaintenance may cause fuse to blow. If fuse replacement isrequired, use only a

28FIRE AND EXPLOSION HAZARDFailure to follow this warning could result in personalinjury, death, or property damage.Solvent cements are combustible. K

29Table 5 – Approved Combustion--Air and Vent Pipe, Fitting and Cement MaterialsASTMSPECIFICATION(MARKED ONMATERIAL)MATERIAL PIPE FITTINGSSOLVENTCEMEN

3TABLE OF CONTENTSPAGEIMPORTANT INFORMATION 2...SAFETY CONSIDERATIONS 3...CODES AND STANDARDS 7...

3024-V THERMOSTAT TERMINALS PL2 – HOT SURFACE IGNITER & INDUCER MOTOR CONNECTOR 115-VAC (L2) NEUTRAL CONNECTIONS 115-VAC (L1) LINE VOLTAGE CONNE

3112 inches (30 cm) for applieances >10,000 Btuh(3 kW)and < 100,000 Btuh(30kW), 36 inches (91cm) for appliances > 100,000 Btuh(30kW) VVA08600

32A08601Fig. 35 -- Ventilated Combustion Air Vent Termination Clearance58MVC

33At least 36 in.18 in. maximumVertical separationbetween combustionair and vent8 3/4 in. (222mm)for 3 in. (76mm)kit6 3/4 in. (172mm)for 2 in. (51mm)

34FURNACEPIPE DIAMETERTRANSITION INVERTICAL SECTIONNOT INHORIZONTALSECTIONA93034Fig. 38 -- Combustion Air and Vent Pipe TransitionLocation and Elbow C

35COMBUSTIONAIR PIPEBURNERBOXCOMBUSTION AIRINTAKE HOUSING3/8" ID TUBETRAPTO OPENDRAIN3/16"DRILL4″ (102mm)MINA93035Fig. 40 -- Intake Housing

36Crawlspace terminations require the open end of the combustionair intake pipe to point downward. Maintain 3 inches (76 mm) ofclearance below the flo

37(304.8mm)minimumA06672Fig. 41 -- Attic Termination(304.8 mm)minimum(76.2 mm)minimumA06673Fig. 42 -- Crawlspace Termination58MVC

38(304.8mm)minimum3” (76.2mm) minimumA06674Fig. 43 -- Crawlspace TerminationHORIZONTAL TO ROOF HORIZONTAL TO SIDEWALLVERTICAL TO SIDEWALLVERTICAL

39NOTE: Starting at furnace, slope vent pipe a minimum of 1/4--in.(6 mm) per linear ft. back toward furnace with no sags betweenhangers.VENT TERMINATI

4NOTES: 1. Minimum return-air openings at furnace, based on metal duct. If flex duct is used,see flex duct manufacturerís recommendations for equivale

40Table 6 – Maximum Allowable Exposed Vent Pipe Length with Insulation inWinter Design Temperature Ambient*UNIT SIZEWINTER DESIGNTEMPERATUREMAXIMUM PI

41Table 7 – Maximum Allowable Pipe Length -- Ft (M)ALTITUDEUNIT SIZE(BTUH)D i r e c t V e n t ( 2 --- P i p e O n l y )NUMBER OF 90_ ELBOWSTermination

42Table 7 — Maximum Allowable Pipe Length --- Ft (M) (Continued)ALTITUDEUNIT SIZE(BTUH)Direct Vent (2--Pipe Only)NUMBER OF 90_ ELBOWSTerminationTypePi

43Table 8 – Vent Termination Kit for Direct Vent/2-Pipe SystemDIRECT VENT (2-PIPE) TERMINATION KIT TERMINATION SYSTEM DIAM. OF COMBUSTION AIR AND VENT

442. Locate heat tape between sides of condensate trap back.(See Fig. 46.)3. Use wire ties to secure heat tape in place. Wire ties can bepositioned in

453. See Table 5 for setup switch description. (See Fig. 40 andFig. 49.)4. Replace main furnace door and blower access panel.Prime Condensate Trap wit

46A06677Fig. 49 -- Wiring Diagram58MVC

47A99118Fig. 50 -- Inducer Housing Drain TubeA01050Fig. 51 -- Filling Condensate TrapTable 9 – Furnace Setup Switch DescriptionSETUP SWITCHNO.SWITCH N

48Purge Gas LinesIf not previously done, purge the lines after all connections havebeen made and check for leaks.FIRE AND EXPLOSION HAZARDFailure to f

495. Inducer Speed Change — If the cycle starts in medium heat,the furnace control CPU reduces the inducer speed slightlyafter flame sense. If cycle s

5Install this furnace only in a location and position as specified inLOCATION and INSTALLATION sections of these instructions.Combustion products must

50The start up and shut down functions and delays described aboveapply to the 2--stage medium/high heating mode as well, except forswitching from high

51blower--off delay is decreased from 90 seconds to 5seconds.Super Dehumidify ModeSuper--Dehumidify mode can only be entered if the furnace controlis

52A06678Fig. 52 -- Step--Modulating Furnace with Single--Speed AirConditioningA06679Fig. 53 -- Step Modulating Furnace with Two--Speed AirConditionerA

53A06682Fig. 56 -- Step Modulating Furnace with Single--Speed HeatPumpA06683Fig. 57 -- Dual Fuel thermostat with Step--ModulatingFurnace and Two--Spee

54NOTE: Reference Fig. 52--59:1. Heat pump MUST have a high pressure switch for dual fuelapplications.2. Refer to outdoor equipment Installation Instr

55d. Jumper R and W/W1 thermostat connections on controlto start furnace.e. Turn medium--heat adjusting screw counterclockwise(out) to decrease manifo

56Table 10 – Orifice Size* and Manifold Pressures for Gas Input Rate(Tabulated Data Based on 20,000 BTUH High Heat / 13,000 Btuh Med--Heat / 8,000 Btu

57Table 10 --- Orifice Size* and Manifold Pressures for Gas Input Rate (Continued)(Tabulated Data Based on 20,000 BTUH High Heat / 13,000 Btuh Med ---

58UNIT DAMAGE HAZARDFailure to follow this caution may result in componentdamage.DO NOT redrill orifices. Improper drilling (burrs,out--of--round hole

59Table12–GasRatecuFt/HrSECONDSFOR 1REVOLUTIONSIZE OF TEST DIALSECONDSFOR 1REVOLUTIONSIZE OF TEST DIAL1cu ft.2cu ft.5cu ft.1cu ft.2cu ft.5cu ft.10 360

6335122-201 REV. B LIT TOPA08435Fig. 3 -- Clearances to Combustibles6080 / 27 C/ 16 CA06745Fig. 4 -- Return--Air Temperature 18-IN. (457.2 mm) MINIM

60Set Thermostat Heat AnticipatorWhen using a non--electronic thermostat, the thermostat heatanticipator must be set to match the amp draw of componen

61CHECKLIST — INSTALLATIONLOAD CALCULATION________________ Heating Load (Btuh) Condensate Drain________________ Cooling Load (Btuh) ________________ U

62Copyright 2010 Carrier Co rp. S 7310 W. Morris St. S India napolis, IN 46231 Printed in U.S.A. Edition Date: 07/ 10Manufacturer reserves the right t

7The furnace shall be installed so that the electrical components areprotected from water.For accessory installation details, refer to applicable inst

8and pressure tubes are connected as shown in Fig. 7. Seeappropriate application instructions for these procedures.PROPERTY DAMAGE HAZARDFailure to fo

91/2 ODINDUCER HOUSINGDRAIN CONNECTION1/4 ODCOLLECTOR BOX TOTRAP RELIEF PORT5/8 ODCOLLECTOR BOXDRAIN CONNECTION1/2 IN. PVC OR CPVCSCREW HOLE FORUPFLOW