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58NVP

4-VVay MuMtipoise Dkect-Vent

VariabMe-Capacity Condensing Gas Furnace

\isit_ v_wcarrier.corn

tnstammation, Start-Up, and Operating

For Sizes 040 120, Series t70

[HEATING & COOUNG

NOTE: Read the entire instruction

manual bei\_re starting the installation

A93040

This symbol --> indicates a change since the last issue,

Index Page

DIMENSIONAL DRAWING ........................................................ 3

SAFETY CONSIDERATIONS ..................................................... 2

Clearances to Combustibles ...................................................... 4

<ODES AND STANDARDS ........................................................ 5

ELE< TROSTATIC DIS<HARGE (ESD) PRE(AUTIONS ........ 5

INTRODU< TION .......................................................................... 5

APPLICATIONS ............................................................................ 5

General ...................................................................................... 5

Upf]ow Applications ................................................................. 5

Downflow Applications ............................................................ 8

Horizontal Left (Supply-Air Discharge) Applications ............ 9

Horizontal Right (Supply-Air Discharge) Applications ........ 11

LO< ATION .................................................................................. 13

General .................................................................................... ] 3

Low-Heat Only Installation .................................................... 14

Furnace Location Relative to ( ooling Equipment ................ 14

Hazardous Locations ............................................................... i4

INSTALLATION ......................................................................... 15

Leveling Legs (If Desired) ..................................................... 15

Installation In [pflow or Downflow Applications ................ 15

Installation In Horizontal Applications .................................. 15

Air Ducts ................................................................................. ] 5

General Requirements ....................................................... 15

Ductwork Acoustical Treatment ....................................... 17

Supply-Air Connections .................................................... 17

Return=Air < onnections ..................................................... 18

Filter Arrangement .................................................................. 18

Bottom Closure Panel ............................................................. i8

Gas Piping ............................................................................... l 8

Electrical ( onnections ............................................................ 20

] 15-v Wiring ...................................................................... 20

24-v Wiring ........................................................................ 21

Accessories ........................................................................ 22

Direct Venting ......................................................................... 22

Removal of Existing Furnaces fl'om

( ommon Vent Systems ......................... 22

Combustion-Air and Vent Piping .................... 24

Concentric Vent and Combustion-Air Temaination

Kit Installation ................................ 28

Multiventing and Vent Tem_inations ................. 3 l

Condensate Drain ................................. 34

As an ENERGY STAR're

Pmmer, Carrier CoLvora-

don has detem*ined that

this product meets the EN'-

FR(SY S fAR_ guidelines

fbr energy effldency

REGISTERED QUALITY SYSTEM

AIRFLOW

HORIZONTAL HORIZONTAL

LEFT RIGHT

AIRFLOW AIRFLOW

AIRFLOW

Fig. 1--NuRipoise Orientations

A93041

General ............................................................................... 34

Application ........................................ 34

Condensate Drain Protection ...................... 35

START-UP, ADJUSTMENTS AND SAFETY CHECK. _ 35

General ......................................... 35

Select Setup Switch Positions ........................................... 35

Prime < ondensate Trap With Water ................................. 36

Purge Gas Lines ................................................................ 36

Sequence of Operation ...................................................... 37

Single-Stage Thermostat and Two-Stage Heating

(Adaptive Mode) .......................... 37

Two-Stage Them_ostat and Two-Stage Heating ...... 39

Cooling Mode .............................. 39

Them_idistat Mode .......................... 40

Supe*-Dehumidif) Mode ............................ 40

Continuous Blower Mode ...................... 40

Heat Pump ................................ 40

Component Test ............................ 41

Ac{iustments ................................... 4 l

Set Gas Input Rate .......................... 41

Set Temperam*e Rise .......................... 48

Set Them_ostat Heat Anticipator .................. 48

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

PC 101 Catalog No 535-80110 Printed in U.S.A. Form 58MVP-13SI Pg 1 1-04 Replaces: 58MVP-12SI

Summary of content (52 pages)

PAGE 1
58NVP 4-VVay MuMtipoise [HEATING VariabMe-Capacity & COOUNG Condensing Dkect-Vent Gas Furnace \isit_ v_w carrier.corn tnstammation, Start-Up, and Operating For Sizes 040 120, Read NOTE: manual the entire bei\_re starting Series t70 instruction the installation A93040 This symbol --> indicates a change since the last issue, Index Page DIMENSIONAL DRAWING ........................................................ 3 ..................................................... ..............
PAGE 2
(heck Safety Check Check Controls Primary Pressure (HE(KLIS7 Limit Control Switch ................................................. ...................................................................... SAFETY 49 propane gases 49 49 alcoves, garages. attics, basements, closets, utility rooms, crawlspaces, and The furnace is factory-shipped :_br use with natural gas A 49 C.S.A. (formerly required CONSIDERATtONS (see t\trnace AGA to convert attention of this furnace should given to v
PAGE 3
O AIRFLOW TYP A OUTLET m CONDENSATE DRAIN TRAP LOCATION _ (DOWNFLOW & HORIZONTAL RIGHT) OR ALTERNATE 1biN DiA GAS CONN , 7m-IN DIA POWER CONN I _z-IN DIA THERMOSTAT 30 i_,, ENTRY )NN 1 27 18 _,_ I I SiDE INLET I I i CONDENSATE DRAIN LOCATION (U PFLO\A/} SiDE iNLET INLE_ DRA{N LOCATION DIMPLE LOCATORS FOR HORIZON 17_,L HANGING NOTES: 1. Minimum return-air openings at furnace, based on metal duct. If flex duct is used, see flex duct manufacturer's recommendations for equivalent diameters.
PAGE 4
• This forced air furnace is equipped for use with natural gas at altitudes 0 - 10,000 ft (0 - 3,050m), except 140 size furnaces are only approved for altitudes 0 - 7,000 ft. (C 0- 2,135m). • An accessory kit, supplied by the manufacturer, shall be used to convert topropane gas use or may be required for some natural gas applications. • This furnace is for indoor installation in a building constructed on site.
PAGE 5
Inducer housing drain robe 1/2°in CPVC street elbow 1 2 Drain tube coupling 1 Drain tube coupling Vent and combustion°air Combustion-air Condensate Vent grommet pipe perforated installation these all national instructions° AND installation local building, of local codes heating, codes, listed the plumbing, vent electrostatic which * US: follow all codes and standards Code (NFGC) NFPA CANADA: Propane Step * National Standard Installation 2--General US: NFGC Code of Ca
PAGE 6
__D FURNACE /-OOR / CONDENSATE J TRAP (INSIDE_ _1 FURNACE TRA uRNAOE 7 -- SIDV FURNACE SIDE OOR /o X[ £_2% ......
PAGE 7
PLUG © CAP COLLECTOR DRAIN TUBE & WHITE (BLUE DRAIN STRIPED) TUBE & WHITE (BLUE STRIPED) COLLECTOR COLLECTOR TUBE BOX TUBE (PINK) (PINK) COLLECTOR TUBE BOX (GREEN) COLLECTOR DRAIN TUBE BOX (GREEN) (MOLDED) DRAIN TUBE (BEHIND COLLECTOR BOX DRAIN TUBE) O O TRAP DRAIN TUBE (BLUE) COLLECTOR BOX TUBE (GREEN) HOUSING DRAIN FACTORY-SUPPLIED DRAIN COUPLING DRAIN TUBE (VIOLET) TUBE (LEFT OPTION) FIELD-INSTALLED FACTORY-SUPPLIED DRAIN TUBE FIELD-INSTALLED FIELD-INSTALLEE FA
PAGE 8
COLLECTOR DRAIN BOX TUBE (BLUE) CA_ PLUG COLLECTOR TUBE TUBE (GREEN) BOX (GREEN) O O DRAIN TUBE (BLUE) TUBE (PINK) TUBE (PINK) COLLECTOR DRAIN TUBE & WHITE (BLUE COLLECTOR STRIPED) DRAIN & WHITE EXTENSION BOX TUBE COLLECTOR TUBE (BLUE STRIPED) BOX EXTENSION TUBE DRAIN TUBE (VIOLET) TRAP CONDENSATE © INDUCER TRAP EXTENSION HOUSING DRAIN 'DRAIN DRAIN TUBE(VIOLET) ._ TUBE TUBE COUPLING A94215 Fig. 9--Downflow Tube Configuration (Left-Hand Trap Installation) b.
PAGE 9
(20 (ondensate Trap Located Ca.) Route Casing when hole filler cap must be installed condensate trap warning could result or death. 5. Install inserting 6. Fill in electrical tube until unused trap connection tabs snap TRAP stubs this directly in toose hole casing hole by and holes plastic Re_kr for proper connections Box Drain Tube on main fm'nace and white striped collector was connected collector box to condensate t_ap. densate (1.
PAGE 10
PLUG -- AUXILIARY "J" BOX --_ \ V ] \ \ ] _/ / CAP f-- COLLECTOR BOX DRAIN TUBE / / TRAP (BLUE AND WHITE STRIPED) X\\ t Ii_ COLLECTOR \ BOX _ XX \ \ & \ TUBE(GREEN) \\ _ ""--INDUCER HOUSING DRAIN TUBE (VIOLET) \\ EXTENSION TUBE X X X _COLLECTOR BOX .... C_(D_-_L_E.C_T.O_R _ N \ DRAIN TUBE (BLUE) BOX EXTENSION N \ DRAIN TUBE X DRAIN TUBE COUPLING RELOCATE X _ COLLECTOR BOX TUBE (PINK) BLOWER SHELF AND INDUCER HOUSING FOR 060, AND 080 HEATING INPUT FURNACES TUBE BETWEEN x A02288
PAGE 11
INTAKE A 12-1N SECTION MIN HORIZONTAL IS RECOMMENDED PIPE WITH SHORT (5 TO 8 FT) VENT TO REDUCE EXCESSIVE CONDENSATE DROPLETS EXITING THE VENT PIPE SHUTOFF GAS VALVE SYSTEMS FROM ACCESS OPENING FOR TRAP DRAIN SEDIMENT TRAP CONDENSATE TRAP NOTE: LOCAL CODES MAY REQUIRE A DRAIN PAN UNDER THE FURNACE AND CONDENSATE TRAP WHEN A CONDENSING FURNACE IS INSTALLED ABOVE FINISHED CEILINGS. A93031 Fig.
PAGE 12
BOX DRAIN TUBE (BLUE) CAP COLLECTOR -- BOX TUBE (GREEN) COLLECTOR BOX TUBE (PINK) BOX RELOCATED HERE O O CONDENSATE TRAP COLLECTOR BOX DRAIN TUBE (BLUE AND WHITE STRIPED) DRAIN TUBE (VIOLET) COLLECTOR BOX EXTENSION TUBE A02289 Fig. 13--Horizontal CONDENSATE TRAP The condensate blower tlap as shown LOCATION c n-rest be removed shelf location Right Tube Configuration and relocated application location location, condensate perfom_ trap from 1. Remove 3 robes connected 2.
PAGE 13
connected to the condensate trap relief port connection MUST be connected to the pressure switch in DOWNFLOW or HORIZON° TAL RIGHT applications, NOTE: For upflowidownflow it is level operation. 1/2=in ROTE: See Fig. 13 or tube routing 1abel on main fhmace door to check for proper connections from applications or pitched fbrward within For horizontal applications maximum forward secondaw to ensure heat exchangers install fi_.rnace so that 1/2=in. for proper fitmace pitch 1/4-in.
PAGE 14
The fi_rnace can operate fault conditions taken: 1Size occur. gas piping based 2 (hock dte high-heat literature instrnctions. NEVER assume tow°heat=only in the high-heat The following mode or* the high-heat should be input input and adjust the high°heat when certain precautions it per the main input rate is not important for installation.
PAGE 15
mNSTALLATION Step l--Leveling Legs and %rth until it breaks off, Be careful of sharp edges, (See Fig. 22 ) (If Desired) When f_lmace is need in upgow position with side inlet(s), togs may be desire& (See Fig. 18) cmTosion=resistant 5716-in machine bolts NOTE: The maximum 1. Position ihmace diameter Holes on of bolt should its back. hole in each bottom in bottom in hole. and dril! of furnace. Do not bend duct flanges inward as shown in Fig.
PAGE 16
A96283 Fig. 19--Floor and Plenum Opening Dimensions FURNACE FURNACE (OR COiL CASING WHEN USED) CD5OR CK5 COILASSEMBLY OR KCAKC COILBOX FLOORING FLOORING SUBBASE SHEET METAL._ PLENUM SHEET METAL PLENUM -- FLOOR OPENING __ -- FLOOR OPENING __ A96285 A96284 Fig. 20--Furnace, Plenum, and Subbase Installed on a Combustib{e Floor Tab{e 1--Opening FURNACE CASING WIDTH Fig. 21--Furnace, Plenum, and Coil Assembly or Coi! Box Installed on a Combustible Floor Dimensions (In.
PAGE 17
acoustical DISCHARGE FLANGE lining DUCT SUPPLY NO ductwork Upflow outlet. / supply=air duct to 3/4-in. The supply-air supply-/outlet-air air ducts. used). DO NOT supply side air duct, humidifier, be connected on ftlmace must duct flanges (when Downflow flange duct attachment casing ries MUST ONLY or air conditioning cut main _aruace casing or other accessories. external supply-air be connected to _hrnace main coil to attach All accessocasing.
PAGE 18
cut main furnace casing to attach supply side air duct, humidifier, or other accessories Al! accessories MUST be connected external to fhmace main RETURN AIR CONNE(TIONS casing RETAINER Never connect Return-air upflow return-air applications could result L pflow ducts duct connections to the back on furnace only. A failure in fire, personal injury, in this warning \ or deatl'L duct must be connected to bottom, right), or a combination of bottom casing Bypass may be attached a
PAGE 19
Table 3--Maximum 21-IN,WIDE CASINGS ONLY: SUPPORT RODS (3) EXTEND 1/4" ON EACH SIDE OF FILTER AND REST ON CASING FLANGE 171/2dR, WIDE CASINGS ONLY: INSTALL FIELD-SUPPLIED FILTER FILLER STRIP UNDER FILTER. NOMINAL IRON P_PE SiZE INTERNAL DIAMETER (IN.) Capacity of Pipe* LENGTH OF PiPE (FT) 10 20 30 40 50 (BN.} t/2 0.622 175 120 97 82 73 3/4 0.824 360 250 200 170 151 1 1.049 680 465 375 320 285 1o1/4 1.380 1400 950 770 660 580 1-112 1.
PAGE 20
GAS _ _--€ SUPPLY MANUAL _/ II SHUTOFF (REQUIRED)/_ Furnace control conhol will must be grounded lock out. for proper (ontrol is operation grounded or through green yellow wire connected to gas valve and burner box screw. Failure to follow this caution will result in intem_ittent f unit operation. 115-V WIR1NG Be%re proceeding voltage, with fiequency, fftrnace rating electrical and plate.
PAGE 21
.... .... --NOTE 5, FtVE_ WIRE THREE-WIRE _ H ONLY ' THERMOSTAT I (_ (_) (_ ' _ I J _ I I I I I E I _ "_ _ r___U27 __EEEExJ-® 115-V SINGLE PHASE ) \ I-----I In -- - @ @ I TERMINALS J I I FIELD-SUPPLIED DISCONNECT I i-_4... J 208/230- OR 460-V , I-- I @ NOTE', --!2.I / Gi:iW-i _ 115-V FIELD-SUPPLIED DISCONNECT FIELD 24-V WIRING FIELD 115-, 208/230-, 460-V WIRING FACTORY 24-V WIRING FACTORY 115-, 208/230-, 460-V WIRING AUXILIARY J-BOX _ | _ s- J /....... _ _J/m ____NOTE 1.....
PAGE 22
AC( ESSORIES 1. Electronic Air (leaner The t:arnace control (1 0-amp maximum) Connect an accesso_ are energized blower Electronic connect terminals and EACo2. n_axinmm CARBON terminals during 1i4oin. female quick quick-connect (hA() EAC with 115v Failure operation. connected Air (?leaner terminals The terminals are rated during using could to the two male 1i4oin.
PAGE 23
CONNECTION DIAGRAM sw178 D 040060 MODEL 38_080 _ ) ......
PAGE 24
MODEL COMMUNICATION CONNECTOR PLUG CONNECTOR CONTINUOUS FAN (CF) AIRFLOW SETUP SWITCHES FUTURE APPLICATIONS "\ SW1 SETUP SWITCHES AND BLOWER OFF- DELAY AIR CONDITIONING 7 (A/C) AIRFLOW SETUP SWITCHES f _=====a HUMIDIFIER TERMINAL (24-VAC 05 AMP MAX ACRDJ - AIR CONDITIONING RELAY DISABLE JUMPER 24W THERMOSTAT TERMINALS /
PAGE 25
TABLE 8--APPROVED ASTM SPECBFRCATION (MARKED ON NATERIAL) D1527 COMBUSTION-AIR AND VENT PIPE, FiTTiNG AND CEMENT MATERIALS _,_ATERIAL PIPE FITTtNGS SOLVENT CEMENT AND PRBNERS ABS Pipe -- Schedule-40 Schedule-40 D1785 PVC Pipe -- D2238 For ABS -- -- D2241 PVC Pipe -- SDR-21 & SDR-26 D2468 PVC -- Fittings Schedule-40 D2468 ABS -- Fittings Solvent Cement For ABS Schedule-40 Solvent Cement D2564 For PVC -- -- D2G61 ABS Pipe Fittings D2G65 PVC Pipe Fittings F438
PAGE 26
_lr *a _] (_AIR VENT TERMINAL item Clearance A Clearance anticipated B Clearance Description above grade, veranda, Canadian porch, deck, balcony, or E_ INLET Installation AREA WHERE TERMINAL IS NOT PERMITED (I) U.S Installation (2) 12" (30cm) # 12" (30 cm) 6"(15crn)forappliances<10,OOOBTUH(3kW),12"(30 6" (15 crn) for appliances cm) for appliances > 16,000 Btuh (3 kW) and <100,600 Btuh (30 kW), 36" (91 cm) for appliances > 160,000 Btuh (30 kW) for appliances > 10.
PAGE 27
COMBUSTION=AIR The combustion-air unused ( by using fitting, using NOT IN HORIZONTAL SECTION DO NOT housing or fitting A plugged NOTE: Moisture improper termination in Fig. 33--Combustion-Air and Vent Pipe Diameter Transition Location and Elbow Configuration moisture Select 1 vent pipe connection and 1 combustion-air pipe connection. COMBUSTION-AIR 7 Install a screw.
PAGE 28
121M,Nd, H 9÷ -.,_ VENT 12" MIN _,_ VENT PIPE PIPE -'-_11 _jJ- HORIZONTAL COMBUSTION-AIR PIPE /' COMBUSTI:N-AIR PIPE HORIZONTAL TO SIDEWALL TO ROOF COMBUSTION-AIR f COMBUSTION-AIR PIPE VENT PIPE PIPE J-_ Z_ 12" MIN-_D,-VENT PIPE VERTICALTO ROOF VERTICAL TO SIDEWALL NOTE: A 12 In. minimum offset pipe section is recommended with short (5 to 8 ft) vent systems. This recommendation is to reduce excessive condensate droplets from exiting the vent pipe. A96230 Fig.
PAGE 29
Tab{e 7--Maximum ALTITUDE 0 to 2000 (IN.)* 1 2 3 4 5 6 040-14 2 Pipe or 2-tn. Concentric 1-1/2 50 45 40 35 30 25 2 70 70 70 70 70 70 060-14 2 Pipe or 2-tn. Concentric 1-1/2 50 45 40 35 30 25 2 70 70 70 70 70 70 080-14 080-20 2 Pipe or 24n. Concentric 1-1/2 30 25 20 15 10 5 2 70 70 70 70 70 70 100-20 2 Pipe or 2-tn.
PAGE 30
Table7--MaximumAJtowablePipeLength ALTITUDE 6001 to 7000_ A_tJtude 7001 to 80OO_ A_titude 8001 to 9000_ A_titude 9001 to t0O0O_ UNIT SRIE TERMINATION TYPE (Ft) Continued NUMBER OF 90 ° ELBOWS PiPE DIAMETER (_N.)* 1 2 3 4 5 6 040-14 2 Pipe or 2-In. Concentric 1-1/2 35 30 25 20 15 10 2 70 70 68 67 66 64 060-14 2 Pipe or 2-In. Concentric 1-1/2 35 30 25 20 15 10 2 70 70 68 67 66 64 080-14 080-20 2 Pipe or 2-In.
PAGE 31
For applications COMBUSTION - AIR INTAKE HOUSING nsing BURNER BOX Sidewall 41. terminations For applications _COMBUSTION AIR PIPE 4 Disassemble 5 Check Concentric OPEN DRAIN using contaminants, Sidewall surfaces and has less visible prodacts Exposed Sidewall confbustion=air extended beyond insulating pipes 2.
PAGE 32
AIR AND VENT 8 3/4" FOR 3" KIT 6 3/4" FOR 2" KIT MAINTAIN 12 IN. CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL. MAXIMUM OF 24 IN. ABOVE ROOF. jJJ / MAINTAIN 12 IN. ,.\__ _-_ .. . :..." (18 IN. FOR CANADA) MINIMUM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL. MAXIMUM OF 24 IN. ABOVE ROOF. 12 IN. CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE, WHICHEVER IS GREATER. A93055 A93054 Fig. 38--Concentric Vent and Combustion-Air Termination {Preferred} Fig. 39--Concentric Roof IN.
PAGE 33
A96128 Fig. 42--Rooftop Termination (Dimension "A" is Touching or 2-In. Maximum Separation) AIR VENT A93057 A93056 Fig. 43--Concentric Vent and Combustion-Air Termination (Dimension "A" is Touching 2qn. Maximum Separation) Fig. 44_Concentric Vent and Combustion-Air Termination (Dimension "A" is Touching 2qn. Maximum Separation) Roof or Side or / ff AIR COMBUSTION A96129 A96130 Fig. 45--Sidewall Termination of 12 in. or Less (Dimension "A '° is Touching or 2-In. Maximum Separation) Fig.
PAGE 34
Table8--MaximumAllowableExposedVent PipeLength(Ft)WithInsulationin WinterDesign TemperatureAmbient* W_NTER DESIGN TEMPERATURE UNIT SiZE (°F) 20 MAXIMUM PIPE DIAMETER (iN.) 2 0 (N.
PAGE 35
START-UP, Step 1 ADJUSTMENTS AND SAFETY CHECK l--General Furnace must have a 115=v power supply properly connected and grounded. NOTE: Proper polarity is incorrect, and fhmace polarity must be maintained control stares for 115-v wiring. indicator light 3. Natural gas service pressure R, W/W1, G, and on furnace control. must not exceed 0.5 psig (14=in. wc), but must be no tess than 0.1d psig (4.5=in. 4. Blower access panel must electrical circuit to ff_rnace.
PAGE 36
AIR CONDITIONING TONS (12,000 BTU/HR) AIRFLOW (CFM) 040,060 & 080-14 MODEL 1-1/2 525 X 080-20 & 106 MODEL 120 MODEL 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 X 6 2100 X-INDICATES AN ALLOWABLE X SELECTION.
PAGE 37
Table SETUP SWITCH NO. SWI-1 SW1-2 9--Furnace Status Code Recovery OFF Turn ON to retrieve up to 7 stored status codes for troubleshooting assistance when R thermostat lead is disconnected. OFF AHows 2-stage operation Turn ON when using 2 stage tion when R to W/W1 closes W/W1 Heat Mode Comfort/Efficiency OFF Adjustment sates for increased return air temperature midifier OFF Self-Test Turn ON for 400 CFM per ton.
PAGE 38
2. Igniter Warm-! Surface period. --9 p-At Igniter 3. Trial-For-Ignition the main close to energize ignited closes, a 2-second will remain 2-second until proving high-heat gas valve CPU 4. Flame-Proving-When proving sensor the blower-ON valve GV-M open. two seconds, fbr up to three Ignition-Lockout.
PAGE 39
humidifier terminal HUM Theinducer motorIDMwill remain energized fora 15=second post-purge period. The blower motorBLWMandaircleaner terminal EA(-I will remain energized atlow=heat airflowortransition tolow=heat airflowfor 90, 120, 150, or 180 seconds (depending on selection at blower-OFF delay switches). CPU is *:actory=set [br a 120=second TWO=STAGE THERMOSTAT See Fig. 60 fbr thermostat AND The fim'lace blower-OFF additional cooling 2 sec.
PAGE 40
spee& and the R to G=and-YY2 circuits start the furnace blower motor BLWM at high=cooling ariflow. High-cooling airflow is based on the A/C selection shown in Fig. 50. CONTINL The electronic air cleaner terminal EAC=I is energized with 115 vac whenever the blower motor BLWM is operating When the thermostat is satisfied, the R to G-and=Y1 o1"R to G=and=Yl-and=Y2 circuits are opened.
PAGE 41
motor BLWM will shut OFF unless case the blower airflow. motor ( OMPONENT TEST The t\_rnace system setup test switch a component procedure, test system ensure EXAMPLE: blower SW1-6 to help diagnose failure. that and all time there delays are have no them_ostat expired. Turn will not operate signals test sequence at medium b.
PAGE 42
THERMIDISTAT TWO-STAGE FURNACE NOTE HEAT STAGE SINGLE-SPEED AIR CONDITIONER THERMIDISTAT TWO-STAGE FURNACE SINGLE-SPEED HEAT PUMP 11 2 RVSCOOLING_ N/A NOTE11 HEATSTAGE3 (FURNACEHi)_ HEAT STAGE 1 COOL STAGE 1 HEAT STAGE 2 [_ (FURNACE LO) HEAT/COOL STAGE (COMPRESSOR) FAN [_ 24 VAC HOT [_ DEHUMIDIFY [_ 24 VAC COMM [_ [Z2_ 1 FAN [_ HOT [_ / ......... 24 VAC DEHUMIDIFY 24 VAC COMM [_ [_ HUM [_ HUM HUMIDIFIER HUMIDIFY [_ (24 VAC) HUMIDIFY N/A ....
PAGE 43
DUAL FUEL THERMOSTAT TWO-STAGE FURNACE NOTE 11 SINGLE-SPEED HEAT PUMP TWO-STAGE THERMOSTAT TWO-STAGE FURNACE NOTE 11 NOTE 12 TWO-SPEED AIR CONDITIONER [_ HEAT STAGE 2 (FURNACE LO) HEAT/COOL STAGE 1 (COMPRESSOR) E2_ FAN [_ 24 VAC HOT [_ 24 VAC COMM [_ [_ HUM N/A [_ RVS SENSING _ HUM See notes 2, tl, [_ and 12 oo oOO s, so o_o_R _ A00281 Fig.
PAGE 44
Notes for Fig. 54-61: 1. Heat pump 2. Refer MUST to outdoor have a high pressure equipment 3. Select the "ZONE" 4. Outdoor position Air Temperature switch Installation on the two=speed Sensor fbr dual fi/el applications, Instn/ctions must for additional heat pump be attached No.1 on Thermidistat No. 1 on Them_idistat should be set in ON position 7. Dip switch No. 2 on Them_idistat should be set in OFF should be set in ON position 8. Dip switch 11.
PAGE 45
TABLE 11 - ORBFmCE B{ZE* AND MANIFOLD PRESSURES FOR GAS iNPUT RATE (TABULATED DATA BASED ON 20,000 BTUN HIGH-HEAT / 13,000 BTUH LOW-HEAT PER BURNER, BERATED 2%/t000 FT ABOVE SEA LEVEL) ALTITUDE AVG, GAB RANGE HEAT VALUE c c <: ¢q. c 0.64 Orifice Mrffid Press Orifice Mnfld Press Orifice (Btu/cu it) No. High/Low No. High/Low No High/Low No. 900 43 3.5 / 1.5 43 3.6 / 1.5 43 3.8 / 1.6 42 32 / 1.3 925 44 3.8 / 1.6 43 3.5 / 1.5 43 3.6 / 1.5 43 37 / 1.6 950 44 3.6 / 1.
PAGE 46
TABLE li (TABULATED - ORIFICE DATA BASED SBZE* AND ON 20,000 BERATED ALTITUDE (ft) (Btu/cu 700i c to 8000 >, "E 0 < 800i to 9000 -_ c o 900i <. to i0000 * Orifice numbers 2%!1000 shown in BOLD ft) FT ABOVE SPECIFIC 0.58 HEAT VALUE AT ALTITUDE PRESSURES HIGH-HEAT/13,000 AVG. GAS RANGE o MANIFOLD BTUH FOR BTUH GAS mNPUT LOW-HEAT RATE PER BURNER, SEA LEVEL) GRAVITY OF NATURAL 0.60 GAS 0.
PAGE 47
ONtOFF BURNER FLAME ALLEN SCREW ADJUSTMENT (UNDER CAP) SWITCH ADJUSTMENT ALLEN SCREW (UNDER CAP) INLET PRESSURE TAP MANIFOLD J A89020 Fig. 64_Bumer Table 12--Altitude ENCLOSURE REFERENCE PRESSURE TAP Fig. 62--Redundant Automat{c Gas Valve Derate Multiplier for U.S.A. ALTITUDE {FT} 0--2000 % OF DERATE 0 DERATE MULTIPUER FACTOR FOR U.S.A.* 1.00 2001--3000 4--6 0.95 3001--4000 6--8 0.93 4001--5000 8--10 0.91 5001--6000 10--12 0.89 6001--7000 12--14 0.87 7001--8000 14--16 0.
PAGE 48
m Movesetup switch SW1-2 toOFFposition and jmllper R andWiWlandW2tl-iermostat connections. (See Fig32.) Thiskeeps furnace locked inhigh-heat operation Repeat itemsithrough 1tbrhigh-heat operation.
PAGE 49
CHECK TERMINALS WITH THERMOSTAT REMOVED (ANIT!CIPATOR, CLOCK, ETC., MUST BE OUT OF CIRCUIT.) PRESSURE This control operation AMMETER proves SWITCHES operation of the &aft inducer Check switch inducer motor as _bllows: 1 Turn off ll5-v 2 Remove power control to fk/mace. access 12=pin wire harness door and at inducer disconnect motor 3 Tufa on 115=v power 4 Set d'*em_ostat to "call to furnace _br heat.
PAGE 50
CH ECKLmST--BNSTALLATION LOAD CALCULATION Condensate Brain Heating Load (Btuh) Unit Level or Pitched Forward Cooling Load (Btuh) Internal Tubing Connections and Traps Furnace Model Selection COMBUSTION External Drain Connection Sloped AND VENT PIPING Termination Free of Kinks Leak Tight and Location Condensate Trap Primed before Start-Up Roof or Sidewalt Heat Tape Installed if Required Termination Kit -- 2 Pipe or Concentric Combustion-Air CBECKMBT--BTARToUp Pipe Length Gas Input Rate (Set Wi
PAGE 51
5i
PAGE 52
Copyright 2004 CARRIER Manufacture_ B°°kLL_. Tab 16al 8a reserves PC 101 Corp., 7310 W. Morris St • Indianapolis, the right Catalog to discontinue, No 535-80110 or change IN 46231 58mvp13si at any time, specifications Pd_ted in U.S.A.