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DOWNFLOW AND HORIZONTAL FURNACES

The return-air duct must be connected to return-air opening provided as shown in Fig. 2. DO NOT cut into casing sides or back to attach any portion
of return-air duct. Bypass humidifier connections should be made at ductwork or coil casing sides exterior to furnace.

E.

Filter Arrangement

CAUTION: FIRE, CARBON MONOXIDE AND POISONING HAZARD

Failure to follow this warning could result in fire, personal injury, or death.
Never operate a unit without a filter or with filter access door removed.

Factory-supplied washable framed filters are shipped in blower compartment. Determine location for filter and relocate filter retaining wire if
necessary. See Table 4 to determine correct filter size for desired filter location. Table 4 indicates filter size, location, and quantity shipped with
furnace. See Fig. 2 for location and size of bottom and side return-air openings.

CAUTION: CUT HAZARD

Failure to follow this caution may result in minor personal injury.
Use care when cutting support rods in filters to protect against flying pieces and sharp rod ends. Wear safety glasses, gloves, and
appropriate protective clothing.

Fig. 25—Crawlspace Location in Direct Vent Application (All Sizes)

A93304

NOTES:

ANGLE
IRON OR
EQUIVALENT

(B)

(A) ROD LOCATION

USING DIMPLE
LOCATORS
(SEE DIMENSIONAL
DWG FOR
LOCATIONS)

13

/

16

-IN. MAX

ALTERNATE SUPPORT
LOCATION FROM BACK

ALTERNATE SUPPORT
LOCATION 4-IN. MIN
8-IN. MAX

3

⁄

8

-IN. ROD

(A)

(B)

(A)

(B)

(B)

(A)

1. A 1 In. clearance minimum between top of
furnace and combustible material.

2. The entire length of furnace must be
supported when furnace is used in horizontal
position to ensure proper drainage.

(A) PREFERRED ROD LOCATION

(B) ALTERNATE ROD LOCATION

DRAIN

5

3

⁄

4

″

3

/

8

-IN. HEX NUT

& WASHER (4)

REQD PER ROD

—26—

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...
24
25
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Содержание PG9MAB

Страница 1: ...Relative to Cooling Equipment 18 Location with Respect to Combustion and Circulating Air Requirements 18 Hazardous Locations 18 AIR FOR COMBUSTION AND VENTILATION 20 INSTALLATION 22 Leveling Legs If Desired 22 Installation In Upflow or Downflow Applications 22 Installation In Horizontal Applications 23 Air Ducts 23 General 23 Ductwork Acoustical Treatment 23 Supply Air Connections 25 As an ENERGY ...

Страница 2: ...to vent sizing and material gas input rate air temperature rise unit leveling and unit sizing WARNING FIRE EXPLOSION ELECTRICAL SHOCK AND CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in electrical shock fire personal injury or death Improper installation adjustment alteration service maintenance or use can cause carbon monoxide poisoning explosion fire electrical sh...

Страница 3: ...learance to combustibles 0 0 po Dégagement d évent avec combustibles Dégagement avant minimum de 610mm 24 po pour l entretien Pour les fournaises de 140 taille 1 po 25mm dégagement des matériaux combustibles est requis au arriere This furnace is approved for UPFLOW DOWNFLOW and HORIZONTAL installations Cette fournaise est approuvée pour l installation HORIZONTALE et la circulation d air VERS LE HA...

Страница 4: ...ion of 1 side and the bottom or the bottom only will ensure adequate return air openings for airflow requirements above 1800 CFM at 0 5 W C ESP 17 5 16 24 1 2 27 9 16 TYP 27 5 8 29 11 16 TYP 30 13 16 32 5 8 TYP 33 1 4 TYP CONDENSATE DRAIN TRAP LOCATION ALTERNATE UPFLOW 7 8 IN DIA ACCESSORY POWER ENTRY 7 8 IN DIA POWER CONN CONDENSATE DRAIN TRAP LOCATION DOWNFLOW HORIZONTAL LEFT 26 15 16 24 1 2 22 ...

Страница 5: ...e required when used in DOWNFLOW HORIZONTAL RIGHT or HORIZONTAL LEFT supply air discharge direction applications as shown in Fig 3 See details in Applications section Install this furnace only in a location and position as specified in LOCATION and INSTALLATION sections of these instructions Combustion products must be discharged outdoors Connect this furnace to an approved vent system only as spe...

Страница 6: ...y Pressure tube extension 1 Collector box or condensate trap extension tube 1 Inducer housing drain tube 1 1 2 in CPVC street elbow 2 Drain tube coupling 1 Drain tube coupling grommet 1 Vent and combustion air pipe support 2 Condensate trap hole filler plug 3 Vent and combustion air intake hole filler plug 2 Combustion air pipe perforated disk assembly 1 Vent Pipe Extension ONLY supplied with some...

Страница 7: ...icing to protect the furnace electronic control Precautions will prevent electrostatic discharges from personnel and hand tools which are held during the procedure These precautions will help to avoid exposing the control to electrostatic discharge by putting the furnace the control and the person at the same electrostatic potential 1 Disconnect all power to the furnace Multiple disconnects may be...

Страница 8: ...rnace is available in model sizes ranging in input capacities of 40 000 to 138 000 Btuh CAUTION MINOR PROPERTY DAMAGE Failure to follow this caution may result in minor property damage Local codes may require a drain pan under entire furnace and condensate trap when a condensing furnace is used in an attic application or over a finished ceiling APPLICATIONS PROCEDURE 1 GENERAL Some assembly and mo...

Страница 9: ...y allow drain to kink and prevent draining f Connect larger diameter drain tube and clamp factory supplied in loose parts bag to condensate trap and clamp securely g Route tube to coupling and cut to appropriate length h Attach tube to coupling and clamp securely C Condensate Trap Location Alternate Upflow Orientation An alternate location for the condensate trap is the left hand side of casing Se...

Страница 10: ...onnection is capped NOTE See Fig 6 or 7 or tube routing label on main furnace door to check for proper connections H Condensate Trap Freeze Protection Refer to Condensate Drain Protection section for recommendations and procedures PROCEDURE 3 DOWNFLOW APPLICATIONS A downflow furnace application is where furnace blower is located above combustion and controls section of furnace and conditioned air ...

Страница 11: ...in tube for connection to condensate trap 3 Route extended collector box drain tube directly from collector box drain to condensate trap as shown in Fig 9 4 Determine appropriate length and cut 5 Connect to condensate trap 6 Clamp tube to prevent any condensate leakage 2 Inducer Housing Drain Tube a Remove factory installed cap and clamp from LOWER inducer housing drain connection b Remove and dis...

Страница 12: ...l casing hole filler cap factory supplied in loose parts bag into blower shelf hole where trap was removed WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death Casing hole filler cap must be installed in blower shelf hole when condensate trap is relocated to prevent combustion products being drawn in from appliances in the equipment room ...

Страница 13: ...ween inducer motor and pressure switch 4 Determine appropriate length cut and reconnect tube to pressure switch connection labeled COLLECTOR BOX E Condensate Trap Freeze Protection Refer to Condensate Drain Protection section for recommendations and procedures F Construct a Working Platform Construct working platform where all required furnace clearances are met See Fig 2 and 11 or 12 CAUTION UNIT...

Страница 14: ...REQUIRE A DRAIN PAN UNDER THE FURNACE AND CONDENSATE TRAP WHEN A CONDENSING FURNACE IS INSTALLED ABOVE FINISHED CEILINGS COMBUSTION AIR INTAKE Fig 11 Attic Location and Working Platform for Direct Vent Applications All Sizes A93031 COMBUSTION AIR INTAKE VENT MANUAL SHUTOFF GAS VALVE SEDIMENT TRAP CONDENSATE TRAP DRAIN ACCESS OPENING FOR TRAP 30 MIN WORK AREA A 12 IN MIN HORIZONTAL PIPE SECTION IS ...

Страница 15: ...tion as shown in Fig 2 or 13 To relocate condensate trap from the blower shelf to desired location perform the following 1 Remove 3 tubes connected to condensate trap 2 Remove trap from blower shelf by gently pushing tabs inward and rotating trap 3 Install casing hole filler cap factory supplied in loose parts bag into blower shelf hole where trap was removed WARNING CARBON MONOXIDE POISONING HAZA...

Страница 16: ...n furnace door to check for proper connections Relocate tubes as described below 1 Disconnect collector box pressure tube pink label attached to pressure switch 2 Extend collector box pressure tube green label which was previously connected to condensate trap relief port connection by splicing to small diameter tube factory supplied in loose parts bag 3 Route extended collector box pressure tube b...

Страница 17: ... 1 2 in for proper furnace operation For horizontal applications pitch 1 4 in minimum to 1 2 in maximum forward to ensure proper condensate drainage from secondary heat exchangers See Fig 14 When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace the return air shall also be handled by duct s sealed to furnace casing an...

Страница 18: ...components after construction is completed After construction is complete verify furnace operating conditions including ignition input rate temperature rise and venting according to the manufacturer s instructions PROCEDURE 2 FURNACE LOCATION RELATIVE TO COOLING EQUIPMENT The cooling coil must be installed parallel with or on downstream side of furnace to avoid condensation in heat exchanger When ...

Страница 19: ...H 1 SQ IN PER 2000 BTUH DUCTS TO OUTDOORS 12 MAX 12 MAX 12 MAX Use any of the following combinations of openings A B C D D E F G NOTE Minimum dimensions of 3 in 12 MAX 12 MAX OUTDOORS 1 SQ IN PER 4000 BTUH F G CLEARANCE IN FRONT OF COMBUSTION AIR OPENINGS SHALL BE AT LEAST 3 IN Fig 19 Air for Combustion Ventilation and Dilution from Indoors A03175 CIRCULATING AIR DUCTS 6 MIN FRONT CIRCULATING AIR ...

Страница 20: ...air duct to prevent pulling air from the burner area and from draft safeguard opening WARNING CARBON MONOXIDE POISONING HAZARD The operation of exhaust fans kitchen ventilation fans clothes dryers attic exhaust fans or fireplaces could create a NEGATIVE PRESSURE CONDITION at the furnace Make up air MUST be provided for the ventilation devices in addition to that required by the furnace Refer to th...

Страница 21: ...mum required volume of the space varies with the number of ACH and shall be determined per Table 2 or Equations 1 and 2 Determine the minimum required volume for each appliance in the space and add the volumes together to get the total minimum required volume for the space Table 1 Minimum Free Area Required for Each Combustion Air Opening or Duct to Outdoors FURNACE INPUT BTUH TWO HORIZONTAL DUCTS...

Страница 22: ...e outdoors have a continuous sealed vapor barrier Openings are gasketed or sealed and b Doors and openable windows are weatherstripped and c Other openings are caulked or sealed These include joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines etc NOTE In determining the free area ...

Страница 23: ...ntal position to ensure proper draining When suspended bottom brace supports sides and center blower shelf When unit is supported from the ground blocks or pad should support sides and center blower shelf area These furnaces can be installed horizontally in either horizontal left or right discharge position In a crawlspace furnace can either be hung from floor joist or installed on suitable blocks...

Страница 24: ...plications on Combustible Flooring NOT Using KGASB Subbase Furnace with CD5 CK5 Coil Assembly or KCAKC Coil Box 19 19 20 20 24 1 2 Upflow Applications 23 24 1 8 23 5 8 24 3 4 Downflow Applications on Non Combustible Flooring 22 7 8 19 23 1 2 19 5 8 Downflow Applications on Combustible Flooring Using KGASB Subbase Furnace with or without CD5 CK5 Coil Assembly or KCAKC Coil Box 22 1 8 19 23 3 4 20 3...

Страница 25: ...upply air opening on furnace The supply air duct attachment must ONLY be connected to furnace supply outlet or air conditioning coil casing when used when installed on non combustible material When installed on combustible material supply air duct attachment must ONLY be connected to an accessory subbase or factory approved air conditioning coil casing DO NOT cut main furnace casing to attach supp...

Страница 26: ... filter size location and quantity shipped with furnace See Fig 2 for location and size of bottom and side return air openings CAUTION CUT HAZARD Failure to follow this caution may result in minor personal injury Use care when cutting support rods in filters to protect against flying pieces and sharp rod ends Wear safety glasses gloves and appropriate protective clothing Fig 25 Crawlspace Location...

Страница 27: ...3 Remove bottom closure panel 4 Reinstall front filler panel and screws Fig 26 Crawlspace Location in Non Direct Vent Application Sizes 040 through 120 Only A96209 NOTES ANGLE IRON OR EQUIVALENT B A ROD LOCATION USING DIMPLE LOCATORS SEE DIMENSIONAL DWG FOR LOCATIONS 13 16 IN MAX ALTERNATE SUPPORT LOCATION FROM BACK ALTERNATE SUPPORT LOCATION 4 IN MIN 8 IN MAX A 3 IN MINIMUM CLEARANCE TO COMBUSTIO...

Страница 28: ...l injury or loss of life An accessible manual shutoff valve MUST be installed external to furnace casing and within 6 ft of furnace A 1 8 in NPT plugged tapping accessible for test gauge connection MUST be installed immediately upstream of gas supply connection to furnace and downstream of manual shutoff valve NOTE The gas valve inlet pressure tap connection is suitable to use as test gauge connec...

Страница 29: ...ecifications Fig 27 Bottom Filter Arrangement A00290 WASHABLE FILTER FILTER SUPPORT FILTER RETAINER 171 2 IN WIDE CASINGS ONLY INSTALL FIELD SUPPLIED FILTER FILLER STRIP UNDER FILTER 1 24 1 2 3 21 IN WIDE CASINGS ONLY SUPPORT RODS 3 EXTEND 1 4 ON EACH SIDE OF FILTER AND REST ON CASING FLANGE Fig 29 Removing Bottom Closure Panel A93047 BOTTOM CLOSURE PANEL FRONT FILLER PANEL Fig 28 Filter Installed...

Страница 30: ...T TERMINALS 1 2 3 Table 6 Electrical Data UNIT SIZE VOLTS HERTZ PHASE OPERATING VOLTAGE RANGE MAX UNIT AMPS UNIT AMPACITY MIN WIRE GAUGE MAX WIRE LENGTH FT MAX FUSE OR CKT BKR AMPS Max Min 024040 115 60 1 127 104 6 1 8 4 14 44 15 036040 115 60 1 127 104 7 3 10 0 14 37 15 024060 115 60 1 127 104 6 1 8 4 14 44 15 036060 115 60 1 127 104 7 1 9 8 14 38 15 048060 115 60 1 127 104 9 5 12 8 14 29 15 0360...

Страница 31: ...ious injury death or property damage If manual disconnect switch is to be mounted on furnace select a location where a drill or fastener will not contact electrical or gas components B 24 v Wiring Make field 24 v thermostat connections at 24 v terminal block on furnace control center For proper cooling operation Y wire from thermostat MUST be connected to Y terminal on control center as shown in F...

Страница 32: ...RAFT MOTOR PSC IDR INDUCED DRAFT MOTOR RELAY SPST N O ILK BLOWER ACCESS PANEL INTERLOCK SWITCH SPST N O J1 BLOWER OFF DELAY JUMPER SELECTOR J2 COOLING OFF DELAY JUMPER JB JUNCTION BOX LED LIGHT EMITTING DIODE FOR STATUS CODES RED LGPS LOW GAS PRESSURE SWITCH SPST N O LS LIMIT SWITCH AUTO RESET SPST N C OL AUTO RESET INTERNAL MOTOR OVERLOAD TEMPERATURE SWITCH N C PCB PRINTED CIRCUIT BOARD CONTROL P...

Страница 33: ...s range hoods and bathroom exhausts so they are operating at maximum speed Do not operate a summer exhaust fan 6 Follow the lighting instructions Place the appliance being inspected into operation Adjust the thermostat so appliance is operating continuously 7 Test for spillage from draft hood equipped appliances at the draft hood relief opening after 5 minutes of main burner operation Use the flam...

Страница 34: ...e tests the venting system must be corrected in accordance with the National Fuel Gas Code ANSI Z223 1 2002 NFPA 54 2002 and or CSA B149 1 Natural Gas and Propane Installation Code 9 After it has been determined that each appliance connected to the venting system properly vents when tested as outlined above return doors windows exhaust fans fireplace dampers and any other gas fired burning applian...

Страница 35: ...vent the exhaust gases from one appliance from contaminating the combustion air of other gas appliances CAUTION UNIT MAY NOT OPERATE Failure to follow this caution may result in intermittent unit operation When vent pipe is exposed to temperatures below freezing such as when it passes through an unheated space or when a chimney is used as a raceway pipe must be insulated as shown in Table 10 with ...

Страница 36: ...Table 8 Direct Vent Termination Clearance A05009 36 ...

Страница 37: ...Table 9 Other than Direct Vent Termination Clearance A05013 37 ...

Страница 38: ...ction since it may be necessary to remove pipe for servicing ASSEMBLY OF COMBUSTION AIR PIPE NON DIRECT VENT 1 PIPE SYSTEM ONLY 1 Permanently install perforated disk assembly factory supplied in loose parts bag in combustion air elbow using RTV or by cementing as shown in Fig 36 For 120 000 Btuh size units only separate the 2 halves of perforated disk assembly and use only the shouldered disk half...

Страница 39: ...ng connection 3 Install pipe support factory supplied in loose parts bag into selected furnace casing combustion air pipe hole Pipe support should be positioned at bottom of casing hole 4 Insert assembled combustion air inlet pipe into intake housing as shown in Fig 35 5 Drill a 1 8 in hole in 2 in combustion air pipe using the hole in intake housing as a guide Fig 36 Combustion Air and Vent Pipe ...

Страница 40: ... 70 70 70 70 70 70 60 000 2 Pipe or 2 in Concentric 1 1 2 1 1 2 17 12 7 NA NA NA 2 2 70 67 66 61 61 61 80 000 2 Pipe or 2 in Concentric 2 2 49 44 30 25 25 15 2 1 2 2 1 2 70 70 70 70 70 70 100 000 2 Pipe or 3 in Concentric 2 1 2 2 1 2 35 26 16 16 6 NA 3 3 70 70 70 70 66 61 120 000 2 Pipe or 3 in Concentric 3 NA 14 9 NA NA NA NA NA 3 63 62 62 61 61 61 3 no disk NA 70 70 63 56 50 43 4 no disk 4 no di...

Страница 41: ... 70 70 70 70 70 70 60 000 2 Pipe or 2 in Concentric 1 1 2 1 1 2 14 9 NA NA NA NA 2 2 60 55 54 49 48 47 80 000 2 Pipe or 2 in Concentric 2 2 41 36 23 18 17 8 2 1 2 2 1 2 70 70 70 70 70 70 100 000 2 Pipe or 3 in Concentric 2 1 2 2 1 2 29 21 12 11 NA NA 3 3 70 67 62 57 52 47 120 000 2 Pipe or 3 in Concentric 3 no disk NA 42 35 29 22 15 9 NA 3 53 52 50 49 48 47 4 no disk 4 no disk 70 70 70 70 70 70 14...

Страница 42: ...Y NUMBER OF 90 ELBOWS TERMINATION TYPE PIPE DIA IN PIPE DIA IN 1 2 3 4 5 6 9001 to 10 000 40 000 2 Pipe or 2 in Concentric 1 1 2 1 1 2 42 37 32 27 25 20 2 2 57 55 53 51 49 47 60 000 2 Pipe or 2 in Concentric 2 2 45 40 38 33 31 29 80 000 2 Pipe or 2 in Concentric 2 2 30 25 14 9 7 NA 2 1 2 2 1 2 57 55 53 51 49 47 100 000 2 Pipe or 3 in Concentric 2 1 2 2 1 2 21 13 5 NA NA NA 3 3 54 49 44 39 34 29 12...

Страница 43: ...nal injury or death Vent pipes must be airtight NOTE A 2 in diameter pipe must be used within the furnace casing Make all pipe diameter transitions outside furnace casing per Fig 37 The minimum vent pipe length for these furnaces is 5 ft Short pipe lengths 5 8 ft may discharge condensate droplets These condensate droplets may be undesirable A 12 in minimum offset pipe section is recommended to red...

Страница 44: ...o furnace inducer housing on ALL upflow and downflow applications NOTE See label on vent extension pipe for proper installation This pipe may be shortened if an elbow is used to connect vent extension tube to field installed vent pipe INSTALLATION GUIDELINES FOR COMBUSTION AIR PIPE AND VENT PIPE It is recommended that all pipes be cut prepared and pre assembled before permanently cementing any joi...

Страница 45: ...Maintain 12 in min clearance above highest anticipated snow level or grade whichever is greater A At least 36 in Concentric Vent and Combustion Air Side Termination A At least 36 in Side wall termination of less than 12 in 12 in min from overhang or roof 12 in separation between bottom of combustion air and bottom of vent Maintain 12 in min clearance above highest anticipated snow level or grade w...

Страница 46: ... and it has less visible vent vapors Sidewall termination require sealing or shielding of building surfaces with a corrosive resistance material due to corrosive combustion products of vent system NOTE Direct Vent 2 Pipe system ONLY A factory accessory termination kit MUST be used See section Vent Termination Kit Direct Vent 2 Pipe System Only in this instruction When determining appropriate locat...

Страница 47: ...shelf and factory connected for UPFLOW applications Condensate trap must be RELOCATED for use in DOWNFLOW and HORIZONTAL applications Condensate trap MUST be used for all applications An external trap is not required when connecting the field drain to this condensate trap The field drain connection condensate trap or drain tube coupling is sized for 1 2 in CPVC 1 2 in PVC or 5 8 in ID tube connect...

Страница 48: ... 115 v power supply properly connected and grounded Proper polarity must be maintained for correct operation NOTE Proper polarity must be maintained for 115 v wiring If polarity is incorrect control center LED status light will flash rapidly and furnace will not operate 2 Thermostat wire connections at terminals R W G and Y must be made at 24 v terminal block on furnace control 3 Natural gas servi...

Страница 49: ...o follow this caution may result in furnace operation stopping and water pipes freezing during cold weather Furnace control must be grounded for proper operation or control will lock out Control is grounded through green yellow wire routed to gas valve and burner box screw Using schematic diagram follow sequence of operation through different modes See Fig 34 Read and follow wiring diagram careful...

Страница 50: ...ed During a call for heat the blower BLWM will stop during igniter warm up 17 seconds ignition 7 seconds and blower ON delay 66 or 45 seconds for 040 through 120 sizes or for 140 size allowing the furnace heat exchangers to heat up more quickly then restarts at the end of the blower ON delay period at HEAT speed In heating the furnace control CPU will continue running the blower motor BLWM at HEAT...

Страница 51: ...0 ft must be reduced by 2 percent for each 1000 ft above sea level In Canada the input ratings must be derated by 5 percent for altitudes of 2000 ft to 4500 ft above sea level Furnace input rate must be within 2 percent of input on furnace rating plate adjusted for altitude 1 Determine natural gas orifice size and manifold pressure for correct input a Obtain average gas heat value at installed alt...

Страница 52: ... No Manifold Pressure U S A and Canada U S A 775 43 3 8 42 3 2 42 3 3 42 3 4 42 3 5 Altitudes 800 43 3 5 43 3 7 43 3 8 42 3 2 42 3 3 2001 to 825 44 3 8 43 3 4 43 3 6 43 3 7 43 3 8 3000 850 44 3 6 44 3 7 44 3 8 43 3 5 43 3 6 or 875 44 3 4 44 3 5 44 3 6 44 3 7 43 3 4 Canada 900 44 3 2 44 3 3 44 3 4 44 3 5 44 3 6 Altitudes 925 45 3 7 45 3 8 44 3 2 44 3 3 44 3 4 2001 to 950 45 3 5 45 3 6 45 3 7 45 3 8...

Страница 53: ...ld Pressure U S A Only 700 43 3 6 43 3 7 42 3 2 42 3 3 42 3 4 725 43 3 4 43 3 5 43 3 6 43 3 7 43 3 8 750 44 3 6 44 3 7 43 3 4 43 3 5 43 3 6 775 44 3 4 44 3 5 44 3 6 44 3 7 43 3 4 5001 800 44 3 2 44 3 3 44 3 4 44 3 5 44 3 6 825 45 3 6 45 3 7 44 3 2 44 3 3 44 3 4 to 850 45 3 4 45 3 5 45 3 6 45 3 8 44 3 2 875 45 3 2 45 3 3 45 3 4 45 3 6 45 3 7 6000 900 45 3 0 45 3 1 45 3 3 45 3 4 45 3 5 925 45 2 9 45...

Страница 54: ... No Manifold Pressure Orifice No Manifold Pressure Orifice No Manifold Pressure Orifice No Manifold Pressure U S A Only 600 43 3 8 42 3 3 42 3 4 42 3 5 42 3 6 625 43 3 5 43 3 6 43 3 8 42 3 2 42 3 3 8001 650 44 3 7 43 3 4 43 3 5 43 3 6 43 3 7 675 44 3 5 44 3 6 44 3 7 44 3 8 43 3 4 to 700 44 3 2 44 3 3 44 3 4 44 3 6 44 3 7 725 45 3 6 45 3 8 44 3 2 44 3 3 44 3 4 9000 750 45 3 4 45 3 5 45 3 6 45 3 8 4...

Страница 55: ...nifold Pressure U S A and Canada U S A 775 41 3 7 41 3 8 40 3 6 40 3 7 39 3 6 Altitudes 800 42 3 8 41 3 6 41 3 7 41 3 8 40 3 6 2001 to 825 42 3 6 42 3 7 41 3 5 41 3 6 41 3 7 3000 850 42 3 4 42 3 5 42 3 6 42 3 7 41 3 5 or 875 42 3 2 42 3 3 42 3 4 42 3 5 42 3 6 Canade 900 43 3 7 43 3 8 42 3 2 42 3 3 42 3 4 Altitudes 925 43 3 5 43 3 6 43 3 7 42 3 2 42 3 3 2001 to 950 43 3 3 43 3 4 43 3 5 43 3 7 43 3 ...

Страница 56: ...ssure U S A Only 700 41 3 5 41 3 7 41 3 8 40 3 6 40 3 7 725 42 3 7 42 3 8 41 3 5 41 3 6 41 3 8 750 42 3 4 42 3 5 42 3 7 42 3 8 41 3 5 775 42 3 2 42 3 3 42 3 4 42 3 5 42 3 7 5001 800 43 3 7 43 3 8 42 3 2 42 3 3 42 3 4 825 43 3 5 43 3 6 43 3 7 43 3 8 42 3 2 to 850 43 3 3 43 3 4 43 3 5 43 3 6 43 3 7 875 43 3 1 43 3 2 43 3 3 43 3 4 43 3 5 6000 900 43 2 9 43 3 0 43 3 1 43 3 2 43 3 3 925 43 2 7 43 2 8 4...

Страница 57: ...e Fig 47 e Replace gas valve regulator adjustment screw cap f Replace burner enclosure front and verify adjusted gas input rate using method outlined in item 3 g Look through sight glass in burner enclosure and check burner flame Burner flame should be clear blue almost transparent See Fig 49 h Remove jumper from R and W 3 Verify natural gas input rate by clocking gas meter NOTE Be sure all pressu...

Страница 58: ... above Determine and adjust air temperature rise as follows 1 Place thermometers in return and supply ducts as close to furnace as possible Be sure thermometers do not see heat exchanger so that radiant heat does not affect readings This practice is particularly important with straight run ducts 2 When thermometer readings stabilize subtract return air temperature from supply air temperature to de...

Страница 59: ...r has no subbase the thermostat must be disconnected from R and W wires during current measurement See thermostat manufacturer s instructions for adjusting heat anticipator and for varying heating cycle length For an electronic thermostat set cycle rate for 3 cycles per hour PROCEDURE 6 CHECK SAFETY CONTROLS This section covers the safety controls that must be checked before installation is comple...

Страница 60: ...ires from wire harness 3 Turn on 115 v power to furnace 4 Set thermostat to call for heat and wait 1 minute When pressure switch is functioning properly hot surface igniter should NOT glow and control status code LED light flashes a Status Code 31 If hot surface igniter glows when inducer motor is disconnected shut furnace down immediately Determine reason pressure switch did not function properly...

Страница 61: ... manual reset switch has continuity 3 Verify that blower and main access doors are properly installed 4 Cycle test furnace with room thermostat 5 Check operation of accessories per manufacturer s instructions 6 Review User s Guide with owner 7 Leave literature packet near furnace 61 ...

Страница 62: ..._____ Pipe Sloped To Furnace Pipe Insulation ________ Over Ceilings ________ Low Ambient Exposed Pipes Condensate Drain ________ Unit Level or Pitched Forward ________ Internal Tubing Connections Free of Kinks and Traps ________ External Drain Connection Leak Tight and Sloped ________ Condensate Trap Primed before Start Up ________ Heat Tape Installed if Required CHECKLIST START UP ________ Gas In...

Страница 63: ...______ Low Ambient Exposed Pipes Condensate Drain ________ Unit Level or Pitched Forward ________ Internal Tubing Connections Free of Kinks and Traps ________ External Drain Connection Leak Tight and Sloped ________ Condensate Trap Primed before Start Up ________ Heat Tape Installed if Required CHECKLIST START UP ________ Gas Input Rate Set Within 2 percent of Rating Plate ________ Temperature Ris...

Страница 64: ... 2005 Payne Heating Cooling 7310 W Morris St Indianapolis IN 46231 64 impg9mab01 Catalog No IM PG9MAB 01 ...

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