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58NVP

4-VVay MuMtipoise Dkect-Vent

VariabMe-Capacity Condensing Gas Furnace

\isit_ v_wcarrier.corn

tnstallation, Start-Up, and Operating

For Sizes 040 120, Series t80

[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

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

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

(learances to ( ombustibles ...................................................... 4

<;ODES AND STANDARDS ........................................................ 4

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

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

APPLICATIONS ............................................................................ 6

General ...................................................................................... 6

Upflow Applications ................................................................. 6

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

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

Horizontal Right (Supply-Air Discharge) Applications ........ 12

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

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

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

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

Hazardous Locations ............................................................... 15

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

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

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

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

Air Ducts ................................................................................. ] 7

General Requirements ....................................................... 17

Ductwork Acoustical Treatment ....................................... 18

Supply-Air Connections .................................................... 1S

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

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

Bottom Closure Panel ............................................................. i9

Gas Piping ............................................................................... 19

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

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

24-v Wiring ........................................................................ 22

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

Direct Venting ......................................................................... 23

Removal of Existing Furnaces fl'om

( ommon Vent Systems ......................... 23

Combustion-Air and Vent Piping .................... 23

Concentric Vent and Combustion-Air Temaination

Kit Installation ................................ 29

Multiventing and Vent Tem_inations ................. 32

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

NNNNN

As an ENERGY STAR're

Pmtne< Came* ('o_pora-

don has detem_ined that

this Ixoduct meets the E\ u REGISTERED QUALITY SYSTEM

ERGY STAR® guidelh_es

fbl energ 3 efficiency

AIRFLOW

HORIZONTAL HORIZONTAL

LEFT RIGHT

AIRFLOW AIRFLOW

AIRFLOW

Fig. 1--MuRipoise Orientations

A93041

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

Application ........................................ 35

Condensate Drain Protection ...................... 36

START-UP, ADJUSTMENTS AND SAFETY CHECK. _ 36

General ......................................... 36

Select Setup Switch Positions ........................................... 36

Prime < ondensate Trap With Water ................................. 37

Purge Gas Lines ................................................................ 38

Sequence of Operation ...................................................... 38

Single-Stage Thermostat and Two-Stage Heating

(Adaptive Mode) .......................... 38

Two=Stage Them_ostat and Two=Stage Heating ...... 39

Cooling Mode .............................. 40

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

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

Continuous Blower Mode ...................... 41

Heat Pump ................................ 41

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

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

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

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

Set Them_ostat Heat Anticipator .................. 49

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

PC 101 Catalog No 535-80130 Printed in U.S.A. Form 58MVP-14SI Pg 1 5-04 Replaces: 58MVP-13SI

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 tnstallation, Start-Up, and Operating For Sizes 040 120, Read NOTE: manual the entire bei\_re starting Series t80 instruction the installation A93040 This symbol --> indicates a change NNNNN since the last issue, Index Page SAFETY CONSIDERATIONS ..................................................... 2 DIMENSIONAL DRAWING .........................................
PAGE 2
(heck Safety Check Check Controls Primary Pressure CHECKLIST M 49 Limit Control Switch ................................................. ......................................................................
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
iNSTALLATION e o o o This forced air furnace is equipped for use with natural gas at altitudes 0 - 10,000 f_ (0 - 3,050m), except 140 size f:dmaces are orlly approved for altitudes 0 - 7,000 ft (0 - 2,135m). An accessory kit, supplied by the manufacturer, sbe}l be used to convert topropane gas use or may be required for some natural gas applications.
PAGE 5
Step * 3--Combustion US: Section Ventilation CANADA: F Supply Step * _ and 83 of the Air NFGC, fbr Air Part 7 of the NSCNGPIC, Combustion Venting Systems 4--Duct Air (onditioning (ontractors Association D, Sheet Metal and Air Conditioning Association (SMACNA), or American e w of Heating, Refrigeration, and Air Conditioning (ASHRAE) 2001 Fundamentals Handbook Chapter Step * 5--Acoustical Lining and US and (ANADA: current edition tested 2 MIN 55°F Step * and Air Systems (ACCA)
PAGE 6
__D FURNACE /_ OOR TRAP (INSIDE_ CONDENSATE / TRA uRNAOE 7 ] S'DV _1 FURNACE -- 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
NOTE:If thealternate left-hand sideofcasing location isuse& thefhctory-connected drainaridreliefportrobes must bedisconnected andmodified tbrattachmenL See Condensate TrapTubing (Alternate Upflow Orientation) section t\_rrobing attachment Torelocate condensate tlaptotheleft-hand side,perform the fbllowing: 1.Remove 3 tubes connected tocondensate trap 2.Remove tlapfiomblower shelfbygently pushing tabsinward androtating trap 3.
PAGE 9
COLLECTOR DRAIN BOX TUBE (BLUE) CAF PLUG COLLECTOR TUBE TUBE BOX (GREEN) O BOX O DRAIN TUBE & WHITE (BLUE) TUBE (PINK) (BLUE BOX STRIPED) COLLECTOR DRAIN TUBE & WHITE BOX EXTENSION TUBE BOX COLLECTOR BOX TUBE (PINK) DRAIN (GREEN) (BLUE STRIPED) TUBE EXTENSION TUBE DRAIN TUBE (VIOLET) TRAP © iNDUCER DRAIN O TRAP EXTENSION DRAIN TUBE HOUSING TUBE (VIOLET) DRAIN TUBE COUPLING A94215 A94216 Fig.
PAGE 10
Relocate robes as described below, 1. Disconnect pressure 2. Extend collector tube (pink label) attached to --€ collector box pressure tube (green to condensate to small diameter label) which was trap relief port connection robe (factoD'-supplied Local in loose 3. Connect collector switch connection box pressure tube (green label) labeled COLLECTOR BOX. to pressure 4. Extend box which collector connected ing small diameter 5.
PAGE 11
_: 2 iiiiiii! Use smaller diameter bag) to extend FIRE, INJURY OR DEATH HAZARD Failure to fbltow this warning fire, personal Casing injury condensate 5. Install rotating 6.
PAGE 12
COMBUSTION INTAKE VENT 12-1N. MIN HORIZONTAL PIPE SECTION IS RECOMMENDED WITH SHORT (5 TO 8 FT) VENT SYSTEMS TO REDUCE EXCESSIVE CONDENSATE DROPLETS FROM EXITING THE VENT PIPE. SHUTOFF GAS VALVE ACCESS OPENING FOR TRAP SEDIMENT TRAP DRAIN 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 13
_: FIRE, INJURY OR Failure to £4tow fire, personal Casing when DEATH could result in electrical shocL in blower shelf 3. (onnect collector switch connection hole condensate trap tube connection inserting rotating 5. Fill until unused into tabs snap right-hand stubs trap caps (fi_ctoryosupplied Box Drain a. Remove casing hole by parts bag) and holes 5. Route with plastic filler parts bag). 6. Determine label on main f_./rnace door to striped cut.
PAGE 14
t LEVEL (0") TO 1/2" MAX V2" MAX UPFLOW OR DOWNFLOW HORIZONTAL A02146 Fig. 14_Proper When a fhmace is installed by the _hmace the return casing. ihrnace within Condensate so that supply to areas outside air shall Drainage ducts can 7 air circulated the space also be handled BACK containing by ducts the/hmace, sealed FRON] to furnace A93043 The ducts terminate outside the space containing the to ensure there will not be a negative pressure condition equipment room Fig.
PAGE 15
m --€ [SNTT DAMAGE Failure unit HAZARD to %llow this caution may result The fhrnace can operate fault conditions taken: l.Size occur. gas piping in the high=heat The based following property 3--Furnace mode when precautions on the high-heat 2.(hock the high=heat input literature instl-t_ctions. Step in minor or damage. certain should input.
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
DISCHARGE FLANGE DUCT --9 UNIT MAY Failure NO operation will affect cycling / shown in Fig. 22. t:m'naces discharge / supports. rod) Flanges unit as shown heat exchanger failure. it inward Remove a minimum in Horizontal duct of 210 ° as Applications in either In a crawlspace, in Fig. 22. This and may cause limit horizontal furnace left or right can either be hung from floor joist or installed on suitable blocks or pad.
PAGE 18
Downflow UNIT MAY Failure to follow operation The NOT entire is used draining. When center blower blocks area.
PAGE 19
21-IN.WIDE CASINGS ONLY: SUPPORT RODS (3) EXTEND 1/4" ON EACH SIDE OF FILTER AND REST ON CASING FLANGE 171/2-1N. WIDE CASINGS ONLY: INSTALL FELD-SUPPLIED FILTER FILLER STRIP UNDER FILTER. RETAINER 24 1/2" \ rt4; 4 A93045 Fig. 24_FiRer If installing mine the filter location necessary. for filter location. Table shipped this bottom and 2 indicates and side return=air AND Failure to %llow relocate 2 to determine iqm_ace.
PAGE 20
GAS SUPPLY MANUAL _/ ]] IR 00,R f 0 BOTTOM CLOSURE PANEL Z FRONT FILLER PANEL A93047 Fig. 26--Removing Bottom Tab{e 3--Maximum Closure Capacity A93324 Panel Fig. 27--Typica! of Pipe* An accessible NOMINAL IRON PiPE SRZB LENGTH OF PIPE (FT) INTERNAL DRAMETER manual ft_rnace casing tapping, accessible shutoff and within _br test gauge 10 20 (IN.) 1/2 0.622 175 120 97 82 73 3/4 0.824 360 250 200 170 151 NOTE: 1 1.
PAGE 21
Table 4--EiectricN OPERATING VOLTAGE RANGE UNIT SIZE VOLTS-HERTZ-PHASE MAXIMUN UNiT AMPS 040-14 115--60--1 127 104 8.9 060-14 115--60--1 127 104 8.9 080-14 115--60--1 127 104 080-20 115--60--1 127 100-20 115--60--1 t20-80 115--60--1 Data MINIMUM WRRE SIZE MAXBMUM WIRE LENGTH (FT)_: [',_AXJMUM FUSE OR CKT BKR AMP$** 14 31 15 14 31 15 8.9 14 31 15 104 13.8 12 32 20 127 104 13.8 12 32 20 127 104 13.
PAGE 22
--€ FIRE OR ELECTRICAL Failure ALTERNATE -FIELD LOCATION to [bllow operation f/F or per_bm_ance HAZARD could result in intem_ittent unit satisfaction. FACTORY INSTALLED If manual disconnect switch is to be mounted on furnace, select a location where a drill or £hstener will not contact LOCATION electrical or gas components.
PAGE 23
NOTE: For additional thermostat connection diagrams, reference Fig 54o61 CARBON AC( ESSORIES 1. Electronic Failure Air Cleaner connected (EAC) could The furnace control EAC (1.0=amp maximum) Connect an accessory 1/4-in. female terminals during quick-connect Electronic terminals are energized blower quick connect with 115v The operation. Air Cleaner terminals on the control board 2. Inspect on the control is energized board thet_nostat when blower there (See Fig. 32.
PAGE 24
m m m m CONNECTION m m m m DIAGRAM m TO 115VAC FI_LD-D)SCONNECT m SVMTCH m SCHEMATIC DIAGRAM SW1 7r_ _ HS[R PL3 MODEt D_ ) _= D_ o _ D_ :00 0 4_ 5T08010( DEF 120 I I I ACR ACRDJ BLWM 7002 irflow vhen, 2Det ,I.....• fanai12 ........ Yl DHUM O 1225 1400 1750 1750 10_0 1_2_ 1400 17_0 2100 /Csw]t hesa !inOfF G OF Mtch_ Com'_/_VlR ar_in I )FFposition [ _' ........................ Cr_ .....................
PAGE 25
COMMUNICATION MODEL CONTINUOUS CONNECTOR PLUG (CF) SETUP FAN FUTURE AIRFLOW SWITCHES APPLICATIONS CONNECTOR SW1 SETUP SWITCHES AND BLOWER OFF- DELAY AIR CONDITIONING (A/C) SETUP AIRFLOW SWITCHES HUMIDIFIER / J TERMINAL 05 AMP (24-VAC MAX ACRDJ-AIR CONDITIONING RELAY DISABLE JUMPER m_ 24-V THERMOSTAT TERMINALS ACRDJ O_" FLASH UPGRADE CONNECTOR (FACTORY D [] [] ONLY) [] STATUS AND [] COMM m_ LED LIGHTS 3-AMP ECZZZ] [] \ [] FUSE3-AMP SEC 2 SEC 1 FUSE TRANSFORMER COMM PL
PAGE 26
_] (_AIR VENT TERMINAL AREAWHERE SUPPLY INLET item Clearance Description Canadian A C_earance above grade, veranda, porch, deck, balcony, or anticipated snow level 12" (3Ocm) # B Clearance to a window or door that may be opened 12" (36 cm) for appliances TERMINAL IS NOT PERMITED US Installation (1) Installation (2) 12" (30 cm) > 10.660 Btuh (3 kW) 9"(23 cm) for appliances > 10,006 Btuh (3 kW) and < 100,600 Btuh (30 kW), 36" (91 cm) for appfiances > 160,600 Btuh (30 kW) and < 50.
PAGE 27
In Canada, construct all combustion-air of CSA or UL( listed schedule-40 and vent pipes %r this unit PVC, PV(-DWV or ABS- DWV pipe Canada pipe NOTE: and pipe cement. SDR is NOT Furnace casing drainage corubustion-air and vent in vertical pipe. pipe Select 1 vent pipe connection and 1 combustion-aB pipe connection AIR in connections should NOTE: 7 COMBUSTION-AIR are be made outside (See Fig. 33.) This allows proper of vent condensate.
PAGE 28
Tab{e 7--Maximum ALTITUDE 0 to 2000 UNIT SRZE 2001 to 3000 A_titude 3001 to 4000 A_titude A_titude 5001 to 6000_ Pipe Length (Ft) NUMBER OF 90 ° ELBOWS 1 2 3 4 5 6 040-14 2 Pipe or 2-1n. Concentric 1-1/2 50 45 40 35 30 25 2 70 70 70 70 70 70 060-14 2 Pipe or 2qn. Concentric 1-1/2 50 45 40 35 30 25 2 70 70 70 70 70 70 080-14 080-20 2 Pipe or 2-In. 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 29
Tab{e7--MaximumAHowablePipeLength(Ft) Continued ALTITUDE 8001 to 7000_ A_titude 7001 to 80005 A_titude 8001 to 9000_ A_titude 9001 to t0000_ UNiT SRZE TERMiNATiON TYPE NUMBER OF 90 ° ELBOWS PIPE DIAMETER (IN.)* 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 30
water &oplets. mininmm to reduce These droplets offset pipe section excessive droplets CombustionoAir Determine and Vent Table 7, and a 12oiu requiring and vent pipe diameter. individually determine elbows the and vent pipe diameters. Pick these diameters use diameter combustionoair An 080-14 and this tbr than required flame NOTE: within vent allowable sense lockout Do not count Nrnace.
PAGE 31
Table 8--Maximum Allowable Exposed Vent Pipe Length (Ft) With Insulation Temperature Amb{ent* W_NTER DESIGN TEMPERATURE UNIT SIZE 040-14 060-14 080o14 080-20 t00-20 120-20 MAXIMUM PIPE DIAMETER INSULATION location c.
PAGE 32
CONCENTRIC VENT AND COMBUSTION=AIR TERMINATION KIT INSTALLATION -9 [SNIT DAMAGE Failure HAZARD to %llow this caution may result NOTE: If these instructions differ fi'om those termination kit, follow kit instructions. in unit component damage, Inducer housing against outlet cap must be installed inducer housing. any condensate teakage c.
PAGE 33
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. A87224 Fig. 37--Roof MAINTAIN 12 IN. (18 IN. FOR CANADA) MINIMUM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL. MAXIMUM OF 24 IN. ABOVE ROOF. Termination (Preferred) 12IN. CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE, WHICHEVER IS GREATER. A93055 .,._ __._-_/___/"_-_/_r A93054 Fig.
PAGE 34
A96128 Fig. 42--Rooftop Termination (Dimension "A" is Touching or 2-in. Maximum Separation} J MAXIMUM COMBUSTION AIR VENT A93057 A93056 Fig. 43--Concentric Vent and Combustion-Air Termination (Dimension "A" is Touching 2-in. Maximum Separation} Fig. 44_Concentric Vent and Combustion-Air Termination (Dimension "A" is Touching 2-In. Maximum Separation} Roof or Side or _j/j /J j AIR J COMBUSTION COMBUSTION A96129 COMBUSTION AIR AIR A96130 Fig. 45--Sidewall Termination of 12 in.
PAGE 35
2. (ut 2 holes, being 1%r each pipe, 3. Loosely install elbow congbustion=air Roof gases Dimension "A" in Fig 42, 43, 44, 45, and 46 represents distance between pipes or rain shields, as touching or 2-in. n_axin-mm separation. size %r pipe size in bracket as shown using tines pipe coupling must be positioned combustion=air L =fitting. terminations For applications lines in Fig install in Fig.
PAGE 36
/ \ 4. Wrap field drain pipe with remaining 1 wrap 5. When using _hcturer's field=supplied insm/ctions START-UP, Step OPEN STAND PIPE FOR A/C OR HUMIDIFIER DRAIN heat tape, _bllow AND a 115=v powei supply properly ,_ _ NOTE: Proper polarity must be maintained polarity is incon'ect, control stares and furnace does not operate. for l15-v indicator light gas service pressure must 4. Blower access panel must electrical circuit to filrnace. A94054 Fig.
PAGE 37
AIR CONDITIONING TONS (1Z000 BTU/HR) AIRFLOW (CFM) 040,060 & 080-14 MODEL %1/2 525 X 080-20 & 100 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 38
Table9--FurnaceSetupSwitchDescription SETUP SWITCH NO. SWITCH NAME NORMAL POSITION DESCRIPTION OF USE SW14 Status Code Recovery OFF Turn ON to retrieve up to 7 stored status codes for trouNeshooting assistance when R thermostat lead is disconnected. SWI-2 Adaptive Heat Mode OFF Mows 2-stage operation with a single stage thermostat Turn ON when using 2 stage thermostat to allow Low Heat operation when R to W/W1 closes and High Heat operation when R to W/W1 and W2 close.
PAGE 39
or high-heat operation. history of single-stage The thrnace starts up This the length thermostat. will start up in either in low-heat, tow-heat selection is based of previous the gas control stored of the If the fhmace (PU which the periods tow- or high-heat furnace on time (fi'om 0 to 16 minutes) switching upon heating determines is permitted the before to high-heat. If power is interrapted, the stored histow is erased.
PAGE 40
5,llnducer Speed Change=If thecyclestarts in tow-heat, the furnace contlol CPU reduces the inducer flame sense. If cycle starts in high=heat, CPU increases the inducer The reduction in speed _br maximam efficiency. 6. Blower-On delay=If blower=ON delay speed 15 seconds in tow-heat the after flame is to optimize burner fbr low=heat flame is and high-heat BLWM seconds is tamed the humidifier tem_inal gized throughout 7.
PAGE 41
Thewallthermostat "calls G=and-Y on tow=cooling the fimaace speed, blower and the R to G=and=Y1 motor which is the true on=board If the fl/mace control high=cooling, BLWM CPU the Nmace relay is energized the R to Yl=and-Y2 ACR. When unit to high=cooling speed, tlansition the Nrnace High-cooling in Fig. 50. When transitioning outdoor unit fl_mace airflow. blower The electronic opened. BLWM transitions BLWM fbr an additional the cooling to high= while EA(=I 90 seconds.
PAGE 42
issatisfied, theblower motor BLWMwilloperate anadditional 90 seconds at high-cooling airflowbei\_re tlansitioning backto continuous-blower airflow.
PAGE 43
THERMIDISTAT TWO-STAGE FURNACE NOTE HEAT STAGE 11 2 SINGLE-SPEED AIR CONDITIONER THERMIDISTAT TWO-STAGE FURNACE SINGLE-SPEED HEATPUMP C_ RVS COOLING NOTE N/A 11 HEAT STAGE 3 (FURNACE I{i) HEAT STAGE 1 COOL STAGE 1 HEAT STAGE 2 [_ (FURNACE LO) HEAT/COOL STAGE 1 (COMPRESSOR) FAN [_ FAN [_ 24 VAC HOT [_ 24 VAC HOT [_ DEHUMIDIFY DEHUMIDIFY [_ 24 VAC COMM 24 VAC COMM [_ ] HUMIDIFY [_ HUM _/ HUMIDIFIER(24 VAC) HUMIDIFY [_ N/A [_ N/A [_ CONNECT,O_ CONNECT'ON L_ See notes 2, 5,
PAGE 44
DUAL FUEL THERMOSTAT TWO-STAGE FURNACE SINGLE-SPEED HEAT PUMP TWO-STAGE THERMOSTAT TWO-STAGE FURNACE NOTE 11 NOTE 12 TWO-SPEED AIR CONDITIONER RVS COOLING H_FTRST_cIE,_ NOTE 11 [_ 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, 11, and 12 [_ A00281 °s_,°s°°R CONNECTION Fig.
PAGE 45
Notes for Fig. 54-61 1. Heat pump 2. Refer MUST to outdoor have a high pressure equipment 3. Select the I'ZONE_' position 4. Outdoor Air Temperature switch Installation on the two-speed Sensor for dual _i/el applications. Instlq./ctions must heat pump be attached No. 1 on Themfidistat No. 1 on Thennidistat should be set in ON position 7. Dip switch No. 2 on Thennidistat should be set in OFF should be set in ON position 8. Dip switch 11. Optional Option No. should connection.
PAGE 46
TABLE 11 - OR{FmCE (TABULATED DATA BASED ALTITUDE AVG. GAE RANGE HEAT VALUE Mnfid Press No High/Low No. High/Low 3.6 / 1.5 43 38 / 1.6 42 32 / 1.3 43 3.5 / 1.5 43 36 / 1.5 43 37 / 1.6 3.6 / 1.5 44 3.8 / 1.6 43 34 / 1.4 43 35 / 1.5 44 3.4 / 1.5 44 3.6 / 1.5 44 37 / 1.6 44 38 / 1.6 44 3.3 / 1.4 44 3.4 / 1.4 44 35 f 1.5 44 35 / 15 3.8 / 1.5 44 3.2 / 1.4 44 33 / 1.4 44 34 / 1.5 3.6 / 1.5 45 5.7 t 1.6 45 5,8 / 1.6 44 33 / 1.4 900 43 3.5 / 1.
PAGE 47
TABLE II o ORmF(CE SIZE* AND MAN(FOLD PRESSURES (TABULATED DATA BASED ON 20,000 BTUH H(GH-HEAT/i3,000 FOR GAS mNPUT RATE BTUH LOW-HEAT PER BURNER, bERATED 2%/1000 FT ABOVE SEA LEVEL) ALTITUDE AVG. GAS RANGE HEATVALUE 0.64 MnfldPress Orifice Mnfld Press Orifice Mnfld Press Orifice Mnfld Press (Btu!cu ft} No. High/Low No. High/Low No. High/Low No. High/Low 65O 43 3.8 / 16 42 3.2 / 1.4 42 3.4 / 1.4 42 35 / 1.5 675 43 3.5 / 15 43 3.7 / 1.6 43 3.8 / 1.6 42 32 / 1.
PAGE 48
e. Turn tow=heat adjusting counterclockwise (in) to increase NOTE: (3/32) DO NOT set low-heat hex Allen manifbld pressure tess than 15=in. gas. If manifold outside orifices this range, change main burner is manifold HAZARD Failure to ibllow tifc, property DO NOT this caution damage, bottom may result personal out excess overfire NOTE: and heat If orifice redrilled, correct size aligned orifice Never redrill an orifice. a numbered flame contlol.
PAGE 49
EXAMPLE: I00,000 BTUH HIGH-HEAT INSTALLED AT 4300 FT. Furnace Input Rate at Sea Leve_ t00,000 Table 13--Gas tNPUT FURNACE SECONDS X Derate Multiplier Factor = Furnace Input Rate at Installation Altitude X 0.91 = 91,000 altitudes must be derated from 2000 5 percent Station or Dealer altitude., see example to 4500 by an authorized To detem_ine above fi, this furnace Gas (onversion correct input rate and use 0.95 as derate for multi- plier factor. b. Reinstall burner box cover.
PAGE 50
3. Thisfurnace is capable of automatically providing proper airflowto maintain t!_etemperature risewithintherange specified on _hmace rating plate. If temperature rise is outside this range, a. (hock proceed b. Check derate for altitude c (hock all return causing control Heat greater When using anticipator obtained HEAT Accurate measuring Fig. 65 illustrates 1. To operate iiom control is used. 170 and later.
PAGE 51
CHECKLIST 1, Put away tools and instruments Clean up debris 2, Veri_- flame rollout manual reset switch has continuity 3, Veri_)- that blower installed, and main access doors are properly 4, (ycle test furnace with room thermostat.
PAGE 52
CH ECKLmST--BNSTALLATION LOAD CALCULATION Condensate Drain 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 Sidewall Heat Tape Installed if Required Termination Kit -- 2 Pipe or Concentric Combustion-Air CHECKLIST--START-UP Pipe Length Gas Input Rate (Set W