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ON/OFF Switch

1/2” NPT Outlet

Manifold
Pressure Tap

Inlet
Pressure Tap

Min/Max Heat Adust
(Under Cap)

GAS FL

MODULATING

Turn screw 1 click per
second to adjust rate.
Clockwise to increase
rate, counter clockwise
to decrease rate.

Representative drawing only, some models may vary in appearance.

A10496

Fig. 60 -- Gas Valve without Tower Pressure Ports

OUTP

ON/OFF SWITCH

MANIFOLD PRESSURE TAP

SET SCREW: 3/32” HEX HEAD

ACCEPTS 5/16” HOSE

CONNECTION

1/2” NPT

INLET

1/2” NPT

OUTLET

INLET PRESSURE TAP

SET SCREW:

3/32” HEX HEAD

ACCEPTS 5/16” HOSE

CONNECTION

MIN/MAX HEAT

ADJUST (UNDER CAP)

Representative drawing only, some models may vary in appearance.

A170116

Fig. 61 -- Gas Valve with Tower Pressure Ports

Adjust Manifold Pressure -- Minimum Heat

To adjust manifold pressure to obtain input rate for Minimum

Heat:

1. Turn SW1--2 ON and SW4--2 must be OFF.
2. Jumper R and W/W1 thermostat connections on control to

start furnace.

3. After the main burners ignite and the blower starts, confirm

Minimum Heat manifold pressure is correct, based on the
manifold pressure tables in the installation instructions.

4. To adjust the Minimum Heat manifold pressure, slowly

turn adjusting screw counterclockwise to decrease manifold

pressure or clockwise to increase manifold pressure. Turn
adjustment no more than one click per second until you ob-

tain the required manifold pressure. See Fig. 60.

5. After adjusting the manifold pressure, remove jumpers

across thermostat connections to terminate the call for heat.

Wait until the blower off delay is completed.

6. Move setup switch SW1--2 to the OFF position.

FIRE HAZARD

Failure to follow this warning could result in personal

injury, death, and/or property damage.
Manifold pressure tap set screw must be tightened and

⅛

--in. NPT pipe plug must be installed to prevent gas leaks.

WARNING

Clocking The Meter

Verify natural gas input rate by clocking meter.

NOTE

: Contact your HVAC distributor or gas supplier for metric

gas meter Tables, if required.

1. Turn off all other gas appliances and pilots served by the

meter.

2. Move setup switches SW1--2 to ON position and SW4-2 to

OFF. This keeps furnace locked in low--heat operation
when only W/W1 is energized or high heat operation when

R to W/W1 and W2 are jumpered.

3. Jumper R to W/W1 and W2. Run furnace for 3 minutes in

maximum heat operation.

4. Measure time (in sec) for gas meter to complete one

revolution and note reading. The 2 or 5 cubic feet dial

provides a more accurate measurement of gas flow.

5. Refer to Table 18 for cubic ft. of gas per hr. Multiply gas

rate cu ft./hr by heating value (Btuh/cu ft.) to obtain input
rate.

6. If clocked rate does not match required input from Step 5,

increase manifold pressure to increase input or decrease
manifold pressure to decrease input. Repeat steps 3 through

5 until correct maximum heat input is achieved. See Fig.
62.

Burner Flame

Burner

Manifold

A11461

Fig. 62 -- Burner Flame

NOTE

: Setup switches SW1--2 must be ON and SW4--2 must be

OFF. This keeps furnace locked in minimum heat operation when
R to W/W1 is energized. Repeat items 3 through 6 for minimum
heat operation until minimum heat input is achieved.

7. Remove jumpers across thermostat connections to

terminate the call for heat. Wait until the blower off delay is
completed then reset 115--v power to furnace.

8. Restore furnace to normal operating condition.
9. Remove jumpers across thermostat connections to termi--

nate the call for heat. Wait until the blower off delay is

completed.

10. Disconnect 115 VAC power to furnace.
11. Turn gas valve ON/OFF switch to OFF.

Содержание 59MN7B

Страница 1: ...ng Dimensions 26 Air Delivery CFM 29 Electrical Data 29 Maximum Capacity of Pipe 32 Vent Termination Kit for Direct Vent 2 Pipe Systems 42 Hangar Spacing 49 Combustion Air Vent Pipe Fitting Cement Material 52 Maximum Allowable Exposed Vent Lengths Insulation 53 Maximum Equivalent Vent Length 54 Deductions from Maximum Equivalent Vent Length 54 Altitude Derate Multiplier for U S A 67 Blower Off Del...

Страница 2: ... exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector obs...

Страница 3: ...unctions such as cleaning and replacing air filters All other operations must be performed by trained service personnel When working on heating equipment observe precautions in literature on tags and on labels attached to or shipped with furnace and other safety precautions that may apply These instructions cover minimum requirements and conform to existing national standards and safety codes In s...

Страница 4: ...E RIGHT OF THE BURNER SECTION AND CONDITIONED AIR IS DISCHARGED TO THE LEFT THE BLOWER IS LOCATED BELOW THE BURNER SECTION AND CONDITIONED AIR IS DISCHARGED UPWARD THE BLOWER IS LOCATED ABOVE THE BURNER SECTION AND CONDITIONED AIR IS DISCHARGED DOWNWARD THE BLOWER IS LOCATED TO THE LEFT OF THE BURNER SECTION AND CONDITIONED AIR IS DISCHARGED TO THE RIGHT A12181 Fig 1 Multipoise Orientations INTROD...

Страница 5: ...on ACCA Manual D Sheet Metal and Air Conditioning Contractors National Association SMACNA or American Society of Heating Refrigeration and Air Conditioning Engineers ASHRAE Fundamentals Handbook Chapter 35 Acoustical Lining and Fibrous Glass Duct S US and CANADA Current edition of SMACNA NFPA 90B as tested by UL Standard 181 for Class I Rigid Air Ducts Gas Piping and Gas Pipe Pressure Testing S US...

Страница 6: ...re furnace component failure Unless otherwise prohibited this gas furnace may be used for heating buildings under construction provided that The furnace is permanently installed with all electrical wiring piping venting and ducting installed according to these installation instructions A return air duct is provided sealed to the furnace casing and terminated outside the space containing the furnac...

Страница 7: ...ied with air for fuel combustion Sufficient air must be provided to avoid negative pressure in the equipment room or space A positive seal must be made between the furnace cabinet and the return air duct to prevent pulling air from the burner area FIRE INJURY OR DEATH HAZARD Failure to follow this warning could result in personal injury death and or property damage When the furnace is installed in...

Страница 8: ...3 4 222 147 5 66 9 060C21 20 21 533 19 3 8 492 19 1 2 495 10 1 2 267 165 5 75 1 080C17 14 17 1 2 445 15 7 8 403 16 406 8 3 4 222 151 5 68 7 080C21 20 21 533 19 3 8 492 19 1 2 495 10 1 2 267 169 5 76 9 100C21 22 21 533 19 3 8 492 19 1 2 495 10 1 2 267 176 5 80 120C24 22 24 1 2 622 22 7 8 581 23 584 12 1 4 311 201 91 2 Fig 5 Dimensional Drawing ...

Страница 9: ...ol sprays detergents bleaches cleaning solvents salts air fresheners and other household products CAUTION CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death 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...

Страница 10: ... 141 5 6 000 169 8 7 000 198 1 0 20 3 150 89 1 4 200 118 9 5 250 148 6 4 200 118 9 4 500 127 3 6 000 169 8 7 500 212 2 9 000 254 6 10 500 297 1 0 10 6 300 178 0 8 400 237 8 10 500 297 3 8 400 237 8 9 000 254 6 12 000 339 5 15 000 424 4 18 000 509 2 21 000 594 1 0 00 NP NP NP NP NP NP NP NP NP NP Not Permitted CONDENSATE TRAP Condensate Trap Upflow Orientation When the furnace is installed in the u...

Страница 11: ...ow at least 1 4 in per foot 20 mm per meter of slope down NOTICE To Relocate the Condensate Trap S Remove the knockout in the casing for the condensate trap S Install the grommet in the casing when required for direct vent horizontal applications S Orient the furnace in the desired position S Allow for 2 in 51 mm of clearance underneath the furnace for the condensate trap and drain line S Fig 10 s...

Страница 12: ...n ports on collector box Connect relief tube to port on collector box Rotate elbow to desired position and tighten clamp to 15 lb in Slide tube in stand offs to adjust length Trim excess tube Connect pressure switch tube to port on collector box Attach condensate trap with screw to collector box Connect relief tube to relief port on condensate trap Align condensate trap over middle and bottom port...

Страница 13: ...g in open port on collector box Slide relief tube in stand offs to adjust length Vent elbow shown in alternate orientation Tighten clamp on inlet to vent elbow 15 lb in Align trap over middle and right hand port on collector box Horizontal Right Trap Configuration Unconverted Factory Trap Configuration As Viewed in the Horizontal Right Orientation A11278 Fig 10 Horizontal Right Trap Configuration ...

Страница 14: ...n Slide relief tube in stand offs to adjust length Attach condensate trap to collector box with screw Align trap over middle and right hand port on collector box Install plugs in open ports on collector box Connect relief tube to port on collector box Trim excess tube Route pressure switch tube underneath relief tube and connect to port on collector box Connect relief tube to relief port on conden...

Страница 15: ...rent edition National Plumbing Code of Canada in Canada Upflow Downflow Orientation In the Upflow or Downflow orientation the condensate trap is inside the furnace casing The condensate drain must be routed from the trap through the furnace casing The condensate drain can be routed through the left or right side of the casing The left or right side is as you are viewing facing the furnace from the...

Страница 16: ...Fig 14 Modify Rubber Drain Elbow Assemble and route the drain line to the opposite side of the furnace as detailed below 5 Remove the knock out from the left side of the casing See Fig 15 for suggested knockout removal technique 6 From the outside of the casing insert the angled end of the Z pipe through drain hole in the left side of the casing and behind the inducer or gas valve Allow the Z pipe...

Страница 17: ...he side of the casing 4 Install the drain trap grommet in the casing if required for direct vent applications If necessary remove the trap install the grommet and re install the trap 5 Remove the pre formed rubber drain elbow and two spring clamps from the loose parts bag 6 Connect the full or modified elbow and or grommet to the outlet of the condensate trap with one spring clamp Avoid misalignme...

Страница 18: ...ssure DIRECTION OF AIRFLOW Condensing Furnace Evaporator Coil Blower 3 4 PVC 1 2 3 4 1 2 CPVC or larger Positive pressure Pressure lower than areas with Negative pressure 3 4 PVC DIRECTION OF AIRFLOW 1 2 3 4 3 4 3 4 Open standpipe 3 4 Condensing Furnace Evaporator Coil Blower 3 4 PVC 3 4 1 2 CPVC or larger Positive pressure Pressure lower than areas with Negative pressure 3 4 PVC DIRECTION OF AIRF...

Страница 19: ...when coil drain is not connected to furnace drain Recommend T fitting standpipe of same diameteror larger H WHQGLQJ XSZDUG ZLWK PLQLPXP LQFK high Condensing Furnace Evaporator ÄÄÄÄÄÄÄÄÄ Coil ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ ÄÄÄÄÄÄÄÄÄ Blower 3 4 PVC 3 4 3 4 3 4 3 4 3 4 3 4 Positive pressure Pressure lower than areas with ï Negative pressure 3 4 PVC Open standpipe Optional when coil...

Страница 20: ...ain furnace casing side to attach supply air duct humidifier or other accessories All supply side accessories MUST be connected to duct external to furnace main casing UPFLOW DOWNFLOW HORIZONTAL YES NO NO YES YES YES NO 120 MIN YES 120 MIN YES 120 MIN 90 90 PERFORATED DISCHARGE DUCT FLANGE A10493 Fig 19 Duct Flanges 1 Lay furnace on the back or side 2 Remove the two 2 screws that secure the bottom...

Страница 21: ...penings can be used in UPFLOW and some HORIZONTAL configurations Do not use side return air openings in DOWNFLOW configuration See Fig 23 24 and 25 1 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 A89014 Fig 22 Leveling Legs Leveling Legs If Desired In upflow position with side return inlet s leveling legs may be used See Fig 22 Install field supplied 5 16 x 1 1 2 in...

Страница 22: ... return air ducts to the back of the furnace Follow instructions below WARNING The return air duct must be connected to return air opening bottom inlet DO NOT cut into casing sides left or right Bypass humidifier connections should be made at ductwork or coil casing sides exterior to furnace See Fig 24 Bottom Return Air Inlet These furnaces are shipped with bottom closure panel installed in bottom...

Страница 23: ...essory air cleaner may also be used in place of the media cabinet The Media Cabinet is sized for bottom return applications for use in upflow downflow and horizontal applications A 16 inch 406 mm Media Cabinet is shipped with the 14 3 16 in 360 mm furnace and includes block off plates For upflow side return applications the Media Cabinet or field supplied accessory air cleaner can be installed on ...

Страница 24: ...07 18 0 08 21 0 13 32 0 29 72 0 20 49 1200 566 0 06 15 0 09 22 0 11 27 0 16 41 0 25 63 1400 661 0 07 17 0 12 31 0 13 33 0 20 51 0 31 79 1600 755 0 08 19 0 15 38 0 16 40 0 24 61 1800 850 0 08 21 0 18 47 0 18 47 0 29 73 2000 944 0 09 23 0 22 56 0 21 54 2200 1038 0 09 24 0 26 66 0 25 62 25 x 25 Filter 635 x 635 mm Factory Accessory Washable Factory Accessory Media Representative After Market Filter M...

Страница 25: ...e 16 in Media Cabinet 21 in Furnace 4 Ton or less AC capacity airflow 20 in Media Cabinet 4 in Block Off Plate 1 2 in Screws 20 or 24 in Media Cabinet Bottom Return Plenum 21 or 24 1 2 in Furnace Up to 5 Ton AC capacity airflow 45 Transition 20 or 24 in Media Cabinet Screw 14 3 16 in Furnace Filler plates Screw 14 3 16 in Furnace with Filler Plates Centered 14 3 16 in Furnace Filler plate Screws 1...

Страница 26: ... coil box subbase not required 15 1 2 394 19 483 16 1 2 419 20 508 21 533 Upflow Applications on Combustible or Noncombustible Flooring subbase not required 19 1 2 495 21 5 8 549 20 1 8 511 22 1 4 565 Downflow Applications on Noncombustible Flooring subbase not required 19 3 8 492 19 483 20 508 19 5 8 498 Downflow applications on combustible flooring subbase required 18 5 8 473 19 483 20 1 4 514 2...

Страница 27: ...ttic Installation 2 IN 51 mm COMBUSTION AIR PIPE SEE VENTING SECTION Install 12 x 22 204 x 559 mm sheet metal in front of and above the burner compartment area The sheet metal MUST extend above the furnace casing by 1 in 25 mm with the door removed A 1 in 25 mm clearance minimum between top of furnace and combustible material is required The entire length of furnace must be supported when furnace ...

Страница 28: ...onnections to furnace with code approved tape or duct sealer NOTE Flexible connections should be used between ductwork and furnace to prevent transmission of vibration Ductwork passing through unconditioned space should be insulated to enhance system performance When air conditioning is used a vapor barrier is recommended Maintain a 1 in 25 mm clearance from combustible materials to supply air duc...

Страница 29: ...ting SW1 Maximum Heat Airflow3 1075 1085 1095 1095 1090 1080 1065 1050 1035 1020 Intermediate Heat Airflow3 535 515 505 515 495 See note 4 Minimum Heat Airflow3 420 410 415 400 380 See note 4 Unit Size 060C21 20 Clg CF Switch settings External Static Pressure ESP Clg Switches SW2 3 SW2 2 SW2 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Clg Default OFF OFF OFF 1735 1735 1725 1715 1700 1685 1665 1650 1...

Страница 30: ...3 1520 1485 1450 1415 1375 1335 1300 1265 1225 1190 Intermediate Heat Airflow3 755 745 755 755 765 See note 4 Minimum Heat Airflow3 620 625 630 620 610 See note 4 Unit Size 080C21 20 Clg CF Switch settings External Static Pressure ESP Clg Switches SW2 3 SW2 2 SW2 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Clg Default OFF OFF OFF 1745 1755 1755 1760 1755 1750 1745 1725 1705 1685 CF Switches SW3 3 SW...

Страница 31: ...40 705 680 See note 4 OFF ON OFF 930 925 915 900 885 See note 4 OFF ON ON 1095 1100 1110 1105 1085 See note 4 ON OFF OFF 1265 1255 1265 1280 1275 1285 1270 1260 1250 1230 ON OFF ON 1465 1455 1470 1465 1465 1470 1455 1450 1435 1415 ON ON OFF 1850 1855 1860 1855 1850 1830 1805 1775 1750 1730 ON ON ON 2200 2200 2200 2190 2185 2170 2145 2085 1990 1890 Maximum Clg Airflow2 2200 2200 2200 2190 2185 2170...

Страница 32: ...copper tubing for gas piping is NOT approved by the State of Massachusetts NOTICE Refer to Table 8 for recommended gas pipe sizing Risers must be used to connect to furnace and to meter Support all gas piping with appropriate straps hangers etc Use a minimum of one hanger every 6 ft 2 M Joint compound pipe dope should be applied sparingly and only to male threads of joints Pipe dope must be resist...

Страница 33: ...upply pipe pressure test After all connections have been made purge lines and check for leakage at furnace prior to operating furnace The gas supply pressure shall be within the maximum and minimum inlet supply pressures marked on the rating plate with the furnace burners ON and OFF Gas entry can be from left or right side or top panel See Figs 31 and 32 Gas Pipe Grommet For direct vent 2 pipe app...

Страница 34: ...NIT AMPS UNIT AMPACITY MINIMUM WIRE SIZE AWG MAXIMUM WIRE LENGTH FT M MAXIMUM FUSE OR CKT BKR AMPS Maximum Minimum 060C17 14 115 60 1 127 104 9 0 12 0 14 30 9 4 15 060C21 20 115 60 1 127 104 14 1 18 4 12 31 9 5 20 080C17 14 115 60 1 127 104 9 0 12 0 14 30 9 4 15 080C21 20 115 60 1 127 104 14 1 18 4 12 31 9 5 20 100C21 22 115 60 1 127 104 14 1 18 4 12 31 9 5 20 120C24 22 115 60 1 127 104 14 1 18 4 ...

Страница 35: ...odes or ordinances that might apply Canada Installations Make all electrical connections in accordance with the current edition of the Canadian Electrical Code CSA C22 1 and any local codes or ordinances that might apply FIRE HAZARD Failure to follow this warning could result in personal injury death or property damage Do not connect aluminum wire between disconnect switch and furnace Use only cop...

Страница 36: ...ernal electrical box 7 Pull furnace line voltage power wires through strain relief bushing of the external electrical box 8 Pull the ground wire of the field line voltage wiring through the strain relief bushing into the furnace casing 9 Install the green ground screw to the J Box bracket and attach both ground wires to the green ground screw 10 Connect any code required external disconnect s to f...

Страница 37: ...l be limited to Minimum and Maximum inputs or Intermediate and Maximum inputs depending on the configuration of set up switches SW1 2 and SW4 2 For two stage thermostat control of a 2 stage outdoor unit remove the ACRDJ jumper from the furnace control board Refer to typical thermostat wiring diagrams and the Sequence of Operation section for additional details Consult the thermostat installation i...

Страница 38: ...OW SETUP SWITCHES COMMUNICATION CONNECTOR CONTINUOUS FAN CF AIRFLOW SETUP SWITCHES OUTDOOR AIR TEMP CONNECTOR HUMIDIFIER TERMINAL 24 VAC 0 5 AMP MAX ACRDJ AIR CONDITIONING RELAY DISABLE JUMPER FLASH UPGRADE CONNECTOR FACTORY ONLY SW4 SETUP SWITCHES SOFTWARE VERSION PART NUMBER AND DATE CODE WWYY PL8 MODULATING GAS VALVE CONNECTOR A11616 Fig 36 Example of Modulating Furnace Control 24 V Coil To Hum...

Страница 39: ...2 Stage Furnace with Single Speed Heat Pump Modulating and 2 Stage Furnace with Two Speed Heat Pump See notes 2 5 7 10 11 16 and 17 See notes 1 2 4 6 7 9 10 11 15 16 and 17 THERMOSTAT THERMOSTAT THERMOSTAT THERMOSTAT D D D D See notes 2 5 8 10 11 12 16 and 17 See notes 1 2 3 4 6 8 9 10 12 13 15 16 and 17 A12222 Fig 38 Thermostat Wiring Diagrams ...

Страница 40: ...9 code Vent systems must be composed of pipe fittings cements and primers listed to ULC S636 The special vent fittings accessory concentric vent termination kits and accessory external drain trap available from the furnace manufacturer have been certified to ULC S636 for use with those Royal Pipe and IPEX PVC vent components which have been certified to this standard In Canada the primer and cemen...

Страница 41: ...ng appropriate table found in the current edition of National Fuel Gas Code NFPA 54 ANSI Z 223 1 In Canada refer to CAN CSA B149 1 An abandoned masonry chimney may be used as a raceway for properly insulated and supported combustion air when applicable and vent pipes Each furnace must have its own set of combustion air and vent pipes and be terminated individually as shown in Fig 53 for Direct Ven...

Страница 42: ...taken into account NOTICE Ventilated Combustion Air Systems In a ventilated combustion air option the vent terminates and discharges the flue products directly to the outdoors similar to a direct vent system See Fig 52 for references to clearances required by National code authorities All air for combustion is piped directly to the furnace from a space that is well ventilated with outdoor air such...

Страница 43: ...orm an alcove 2 The vent termination must be located at least 3 feet from an inside corner and follow the clearance distances in the In side Corner Termination drawing 3 The clearance distances apply when the vent is at least 3 feet 1 meter from but not more than 6 feet 2 meters away from an inside corner 4 For vent terminations located more than 6 feet 2 meters from an inside corner refer to the ...

Страница 44: ...added to the inlet pipe to help prevent moisture from entering the furnace from the combustion air inlet pipe See Fig 40 When sizing venting systems the equivalent length of the optional moisture trap 15 feet 5 M must be taken into account NOTICE FURNACE PIPE DIAMETER TRANSITION IN VERTICAL SECTION NOT IN HORIZONTAL SECTION A93034 Fig 39 Combustion Air and Vent Pipe Diameter Transition Location an...

Страница 45: ...PUMP Tee Dry Well Cap water tight and removable Tee Dry Well Cap water tight and removable Tee Dry Well Cap water tight and removable Recommend T fitting with 4 inch minimum height standpipe A of same diameter or larger extending upward A A A A170122A Fig 40 Recommended Combustion Air Inlet Moisture Trap ...

Страница 46: ...tion air pipes 6 When using polypropylene venting systems with flexible vent pipes perform adjustments for the equivalent length of the flexible vent pipe to the calculated total equivalent venting system length See the polypropylene vent system manufacturer s instructions for details 7 Select a diameter of vent pipe from Table 14 and note the Maximum Equivalent Vent Length MEVL shown for that app...

Страница 47: ...lled in the required position remove the desired knockouts from the casing It will be necessary to remove one knockout for the vent pipe and the other knockout for the combustion air connection See Fig 15 Use a flat blade screwdriver and tap on the knockout on opposite sides where the knockout meets the casing Fold the knockout down with duct pliers and work the knockout back and forth until it is...

Страница 48: ...dapter with the dimples in the casing 3 Pilot drill the screw holes for the adapter in the casing and attach the vent pipe adapter to the furnace with sheet metal screws 4 Slide the end of the rubber vent coupling with notches in it over the standoffs on the vent pipe adapter 5 Insert a length of vent pipe through the coupling into the outlet of the vent elbow 6 Tighten the clamp around the outlet...

Страница 49: ...e short cycling frozen vent termination and or no heat Slope the vent and combustion air piping downward towards furnace a minimum of 1 4 in 6 mm per linear ft of pipe CAUTION 18 Complete the vent and combustion air pipe installation by connecting the concentric vent or by installing the required termination elbows as shown in Fig 53 54 and 56 For Ventilated Combustion Air Termination See Fig 57 1...

Страница 50: ...he rubber vent coupling 11 Slide the end of the coupling with notches in it over the standoffs in the vent pipe adapter 12 Tighten the clamp of the coupling over the vent pipe adapter Torque the lower clamp around the vent pipe adapter to 15 lb in 13 Pilot drill a 1 8 in hole in the combustion air pipe adapter 14 Complete the vent and combustion air pipe as shown in Install the Vent and Combustion...

Страница 51: ...materials to accumulate inside of pipe assembly when installing it through hole 4 Locate assembly through sidewall with rain shield posi tioned no more than 1 in 25 mm from wall as shown in Fig 53 5 Disassemble loose pipe fittings Clean and cement using same procedures as used for system piping DO NOT CE MENT POLYPROPYLENE FITTINGS 2 Pipe Direct Vent and 1 Pipe Ventilated Combus tion Air Vent Term...

Страница 52: ... Type ASTM or ULC Specification Pipe Solvents Primers Cements PVC Pressure Pipe Schedule 40 D1785 D2466 or D2665 F656 D2564 DWV Schedule 40 D1785 D2665 Cellular Core Schedule 40 F891 SDR 26 N A D2241 SDR 21 N A D2241 IPEX Schedule 40 ULC S636 ULC S636 ULC S636 ULC S636 Royal Pipe Schedule 40 ULC S636 ULC S636 ULC S636 ULC S636 ABS ABS Schedule 40 D1527 D2468 Clear Cleaner For ABS D2235 DWV IPS Siz...

Страница 53: ...ation 1 2 in Insulation Pipe Dia mm 38 51 64 38 51 64 38 51 64 38 51 64 76 38 51 64 76 38 51 64 76 7 6 1 6 1 6 1 6 1 15 2 13 7 6 1 18 3 15 2 6 1 9 1 9 1 7 6 6 1 22 9 19 8 18 3 6 1 25 9 22 9 19 8 18 3 0 1 5 1 5 6 1 7 6 6 1 6 1 9 1 7 6 4 6 4 6 3 0 3 0 6 1 12 2 9 1 7 6 6 1 13 7 12 2 9 1 29 1 5 6 1 4 6 3 0 6 1 6 1 4 6 3 0 1 5 6 1 7 6 6 1 4 6 6 1 9 1 7 6 6 1 40 4 6 3 0 1 5 4 6 4 6 3 0 1 5 6 1 4 6 4 6 3...

Страница 54: ...1 36 5 38 1 8 8 20 1 38 1 41 1 14 0 39 6 2439 2743 9 1 18 8 35 0 38 1 5 1 18 8 24 3 33 5 35 0 8 2 18 8 35 0 38 1 13 1 36 5 2744 3048 8 2 17 3 32 0 35 0 4 5 17 3 22 8 30 4 32 0 7 3 17 3 30 4 35 0 11 8 35 0 Long Medium Mitered Concentric Standard 2 in 3 in or optional 4 in termination ELBOW CONFIGURATIONS VENT TERMINAL CONFIGURATIONS A13110 Table 15 Deductions from Maximum Equivalent Vent Length Ft ...

Страница 55: ...th MEVL 95 ft 29 M For 2 pipe from Table 14 Is TEVL less than MEVL YES Therefore 2 pipe MAY be used Example 2 A direct vent 60 000 BTUH furnace installed at 2100 ft 640M Venting system includes FOR EACH PIPE 100 feet 30 M of vent pipe 95 feet 29 M of combustion air inlet pipe 3 90º long radius elbows and a polypropylene concentric vent kit Also includes 20 feet 6 1 M of flexible polypropylene vent...

Страница 56: ... soffitt located above the vent termination within a horizontal distance of 2 ft 61 cm from the centerline of the vent termination 6 ft 2 M Clearance to a ventilation exhaust including HRV ERV on either Wall A or Wall B 12 in 305 mm Clearance above paved sidewalk or paved driveway located on public property 7 ft 2 1 M Clearance under a veranda porch deck or balcony N P No operable windows doors or...

Страница 57: ... for combustion air connection UPFLOW VERTICAL VENT A11310A Fig 47 Upflow Configurations Appearance may vary See Notes for Venting Options 1 2 3 4 5 6 7 5 Rotate vent elbow to required position DOWNFLOW LEFT CONFIGURATION A11311A 1 2 3 4 5 6 7 5 Rotate vent elbow to required position Any other unused knockout may be used for combustion air connection DOWNFLOW RIGHT CONFIGURATION A11312A Requires A...

Страница 58: ...urrent Kit Number HORIZONTAL RIGHT LEFT VENT CONFIGURATION A11336 ALTERNATE COMBUSTION AIR CONNECTIONS HORIZONTAL RIGHT RIGHT VENT CONFIGURATION A11335 Fig 50 Horizontal Right Appearance may vary See Notes for Venting Options NOTES FOR VENTING OPTIONS 1 Attach vent pipe adapter with gasket to furnace casing 2 Align notches in rubber coupling over standoffs on adapter Slide clamps over the coupling...

Страница 59: ...en on a minimum of two sides beneath the floor See Note 4 Manufacturer s Recommendation See Notes 3 8 M Clearance to each side of the centerline extended above or below vent terminal of the furnace to a dryer or water heater vent or other appliance s vent intake or exhaust 12 in 305 mm 12 in 305 mm N Furnace combustion air intake clearance to a water heater vent dryer vent or other types of applia...

Страница 60: ...ully open on a minimum of two sides beneath the floor See Note 4 Manufacturer s Recommendation See Notes 3 8 M Clearance to each side of the centerline extended above or below vent terminal of the furnace to a dryer or water heater vent or other appliance s direct vent intake or exhaust 12 in 305 mm 12 in 305 mm N Clearance to a moisture exhaust duct dryer vent spa exhaust etc 12 in 305 mm See Not...

Страница 61: ...ever is greater Side wall termination with 2 elbows preferred 12 in min 305 mm from overhang or roof Maintain 12 in 305mm minimum clearance above highest anticipated snow level or grade whichever is greater 6 in 152mm minimum clearance between wall and end of vent pipe 10 in 254mm maximum pipe lengt h Sidewall Termination with Straight Pipe preferred Roof Termination Preferred Vent Maintain 12 in ...

Страница 62: ...MM ABOVE ANTICIPATED SNOW LEVEL 12 IN 305 MM MIN SEPARATION BETWEEN BOTTOM OF COMBUSTION AIR AND BOTTOM OF VENT 12 IN 305 MM MIN SEPARATION BETWEEN BOTTOM OF COMBUSTION AIR AND BOTTOM OF VENT MAINTAIN 12 IN 305 MM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE WHICHEVER IS GREATER COMBUSTION AIR ELBOW PARALLEL TO WALL OPTIONAL BRACKET COUPLING OVERHANG 12 IN 305 MM MIN GROUND LEVEL OR ANT...

Страница 63: ...mm Pipe hangar Ventilated Combustion Air intake termination in crawl space Ventilated Combustion Air intake pipe CRAWL SPACE ATTIC highest level of insulation A10497 Fig 57 Vent Terminations for Ventilated Combustion Air ...

Страница 64: ... label Setup Switches SW1 The furnace control has eight 8 setup switches that may be set to meet the application requirements Refer to Fig 65 and the Adjustments section for setup switch configurations To set these setup switches for the appropriate requirement 1 Remove blower door 2 Locate setup switches on furnace control 3 Configure the set up switches as necessary for the application 4 Replace...

Страница 65: ...rain 4 Remove funnel replace collector box drain plug 5 Connect field supplied 5 8 in 16 mm ID tube to middle collector box drain port 6 Pour one quart liter of water into funnel tube Water should run through collector box overfill condensate trap and flow into open field drain 7 Remove funnel and tube from collector box and replace collector box drain plug A11392 Fig 58 Priming Condensate Trap Ap...

Страница 66: ...input rate first determine if the furnace has the correct orifice installed At higher altitudes or different gas heat contents it may be necessary to change the factory orifice to a different orifice Tables have been provided in the furnace installation instructions to match the required orifice to the manifold pressure to the heat content and specific gravity of the gas THERE ARE TWO MANIFOLD PRE...

Страница 67: ...ARNING 14 Tighten set screw on inlet tower pressure tap with 3 32 in hex wrench or if in NPT plug was removed apply pipe dope sparingly to end of plug and re install in the gas valve Adjust Manifold Pressure Maximum Heat For proper operation and long term reliability the manifold pressure must be adjusted within 2 percent of input rate on furnace rating plate The modulating furnace manifold pressu...

Страница 68: ...d or property damage Manifold pressure tap set screw must be tightened and in NPT pipe plug must be installed to prevent gas leaks WARNING Clocking The Meter Verify natural gas input rate by clocking meter NOTE Contact your HVAC distributor or gas supplier for metric gas meter Tables if required 1 Turn off all other gas appliances and pilots served by the meter 2 Move setup switches SW1 2 to ON po...

Страница 69: ...diate and maximum heat operation b Check derate for altitude if applicable c Check all return and supply ducts for excessive restrictions causing static pressure greater than 0 5 in w c d Ensure Min Int Heat Rise Adjust switch SW1 3 on furnace control is in ON position when a bypass humidifier is used See Fig 65 for switch location e Check Troubleshooting Guide for Variable Speed Step Modulating C...

Страница 70: ...election via Setup switches SW3 is also the switch setting for low speed cooling when the furnace is used with a two speed cooling or heat pump unit Adjust SW3 to match the airflow required for low speed cooling Select the required airflow from Table 7 and Fig 65 NOTE The airflow selected via SW3 Low Speed Cooling Airflow cannot exceed the airflow selected via SW2 High Speed Cooling Airflow For ot...

Страница 71: ...control proves operation of the draft inducer blower a Turn off 115 v power to furnace b Disconnect inducer motor lead wires from wire harness c Turn on 115 v power to furnace d Set thermostat to call for heat and wait 1 minute When pressure switch is functioning properly hot surface igniter should NOT glow and control diagnostic light flashes a status code 32 If hot surface igniter glows when ind...

Страница 72: ...72 A190030 Fig 64 Service Label Information NEW ...

Страница 73: ...73 A190039 Fig 65 Furnace Setup Switches and Description ...

Страница 74: ...74 A190040 NOTE If SW4 1 is turned ON position the furnace control will NOT communicate with a communicating system wall control Fig 65 Furnace Setup Switches and Description Continued ...

Страница 75: ... 281 23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 138 277 692 72 50 100 250 27 133 267 667 74 48 97 243 28 129 257 643 76 47 95 237 29 124 248 621 78 46 92 231 30 120 240 600 80 45 90 225 31 116 232 581 82 44 88 220 32 113 225 563 84 43 86 214 33 109 218 545 86 42 84 209 34 106 212 529 88 41 82 205 35 103 206 514 90 40 80 200 36 100 200 500 92 39 78 196...

Страница 76: ...55 43 3 7 0 60 875 44 3 6 0 60 44 3 7 0 60 43 3 4 0 55 43 3 5 0 55 4000 900 44 3 4 0 55 44 3 5 0 55 44 3 7 0 60 44 3 8 0 60 1219 925 44 3 2 0 50 44 3 4 0 55 44 3 5 0 55 44 3 6 0 55 950 45 3 7 0 60 44 3 2 0 50 44 3 3 0 55 44 3 4 0 55 750 42 3 3 0 50 42 3 4 0 55 42 3 5 0 55 42 3 6 0 55 4001 775 43 3 7 0 60 43 3 8 0 60 42 3 3 0 50 42 3 4 0 55 1220 800 43 3 5 0 55 43 3 6 0 60 43 3 7 0 60 43 3 8 0 60 8...

Страница 77: ...75 44 3 3 0 55 44 3 4 0 55 44 3 5 0 55 44 3 7 0 60 2438 800 45 3 8 0 60 44 3 2 0 50 44 3 3 0 55 44 3 4 0 55 825 46 3 7 0 60 46 3 8 0 60 45 3 8 0 60 44 3 2 0 50 625 42 3 4 0 55 42 3 5 0 55 42 3 6 0 55 42 3 7 0 60 8001 650 43 3 8 0 60 42 3 2 0 50 42 3 3 0 55 42 3 4 0 55 2439 675 43 3 5 0 55 43 3 6 0 60 43 3 7 0 60 42 3 2 0 50 700 44 3 7 0 60 43 3 4 0 55 43 3 5 0 55 43 3 6 0 55 725 44 3 5 0 55 44 3 6...

Страница 78: ...43 3 6 0 55 43 3 8 0 60 875 44 3 7 0 60 44 3 8 0 60 43 3 4 0 55 43 3 6 0 55 4000 900 44 3 5 0 55 44 3 6 0 55 44 3 7 0 60 43 3 4 0 55 1219 925 44 3 3 0 50 44 3 4 0 55 44 3 5 0 55 44 3 6 0 55 950 45 3 8 0 60 44 3 2 0 50 44 3 4 0 55 44 3 5 0 55 750 42 3 3 0 50 42 3 4 0 55 42 3 6 0 55 42 3 7 0 55 4001 775 43 3 8 0 60 42 3 2 0 50 42 3 3 0 50 42 3 4 0 55 1220 800 43 3 6 0 55 43 3 7 0 60 43 3 8 0 60 42 3...

Страница 79: ... U S A Only to U S A Only to A11621B SERVICE AND MAINTENANCE PROCEDURES Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters All other operations must be performed by trained service personnel A qualified service person should inspect the furnace once a year FIRE INJURY OR DEATH HAZARD Failure to follow this warning could result in personal injury ...

Страница 80: ...v power is interrupted The control will store up to the last 7 Status Codes in order of occurrence 1 To retrieve status codes proceed with the following NOTE NO thermostat signal may be present at control and all blower OFF delays must be completed a Leave 115 v power to furnace turned on b Look into blower door indicator for current LED status c Remove blower door NOTE The Status Codes cannot be ...

Страница 81: ...ical connections for tightness and controls for proper operation each heating season Service as necessary 4 Inspect burner compartment before each heating season for rust corrosion soot or excessive dust If necessary have furnace and burner serviced by a qualified service agency 5 Inspect the vent pipe vent system before each heating sea son for water leakage sagging pipes or broken fittings Have ...

Страница 82: ...er motor NOTE Blower wheel is fragile Use care 6 Clean blower wheel and motor by using a vacuum with soft brush attachment Be careful not to disturb balance weights clips on blower wheel vanes Do not bend wheel or blades as balance will be affected 7 If greasy residue is present on blower wheel remove wheel from the blower housing and wash it with an appropriate degreaser To remove wheel a Mark bl...

Страница 83: ...LOWER HSG ASSY BRACKET BRACKET ENGAGEMENT SEE DETAIL A CAPACITOR OR POWER CHOKE WHEN USED BRACKET SCREW GND BLOWER HSG ASSY MOTOR BLOWER WHEEL BLOWER CUTOFF BLOWER DETAIL A A11584 Fig 66 Blower Assembly NOTE Be sure to attach ground wire and reconnect blower harness plugs to blower motor ...

Страница 84: ...e Turn off the gas and electrical supplies to the furnace and install lockout tag before performing any maintenance or service Follow the operating instructions on the label attached to the furnace WARNING FLAME SENSOR BELOW BURNER FLAME ROLLOUT SWITCH BRACKET IGNITER IGNITER BURNER SUPT ASSY BURNER ASSY A11403 Fig 67 Burner Assembly Refer to Fig 67 1 Disconnect power at external disconnect fuse o...

Страница 85: ...of life WARNING 14 Check for gas leaks with a commercially available soap so lution made specifically for the detection of leaks 15 Turn gas on at electric switch on gas valve and at external shut off or meter 16 Turn power on at external disconnect fuse or circuit break er 17 Run the furnace through two complete heating cycles to check for proper operation 18 Install control door when complete Se...

Страница 86: ...e trap in warm water until trap is clean 11 Flush condensate drain lines with warm water Remember to check and clean the relief port on the collector box 12 Shake trap dry 13 Clean port on collector box with a small wire To re install Condensate Drain and Trap 1 Remove adhesive backing from condensate trap gasket 2 Install gasket on collector box 3 Align the condensate trap with the drain opening ...

Страница 87: ...reconnect wires to flame rollout switch gas valve igniter and flame sensor 10 Turn on gas and electrical supplies to furnace 11 Check furnace operation through 2 complete heat operating cycles Look at burners Burner flames should be clear blue almost transparent See Fig 62 12 Check for gas leaks A11273 Fig 70 Cleaning Heat Exchanger Cell FIRE OR EXPLOSION HAZARD Failure to follow this warning coul...

Страница 88: ...ox 6 Insert a field supplied funnel into the tube 7 Pour 1 quart of anti freeze solution into the funnel tube Antifreeze should run through the inducer housing overfill condensate trap and flow to an open drain 8 Replace the rubber plug in the port on the collector box 9 Remove the middle unused rubber plug from the port on the collector box opposite the condensate trap See Fig 58 10 Repeat Steps ...

Страница 89: ...odes will repeat Status codes are erased after 72 hours or can be manually erased by putting setup switch SW1 1 in the ON position and jumpering R W W1 and Y Y2 simultaneously until status code 11 is flashed When done put setup switch SW1 1 in the OFF position Was there a previous status code other than 11 Go to section below for the status code that was flashed Does the control respond to W W1 W2...

Страница 90: ...times before lockout 14 occurs If flame signal is lost during the blower on delay period blower will come on for the selected blower off delay Check the following items first before proceeding to the next step Gas valve turned off Manual shut off valve GREEN YELLOW wire MUST be connected to furnace sheet metal Flame sensor must not be grounded To determine whether the problem is in the gas valve i...

Страница 91: ...L13 2 YELLOW and PL13 4 GREEN Is there 5 VDC at PL3 3 YELLOW and PL3 2 GREEN NO NO You have an open wire or bad terminal on the YELLOW wire between the furnace control and the blower motor YES YES The voltage just measured should be very stable and should not fluctuate more than 02 VDC If the voltage fluctuates more than this get a different voltmeter before proceeding Turn power off disconnect PL...

Страница 92: ...f the length of previous gas heating periods of the single stage thermostat The furnace will start up in either intermediate or maximum heat The furnace will transition and operate at minimum heat or the calculated modulating rate after starting and operating for 45 seconds at intermediate heat The furnace control CPU defaults to minimum heat on the first thermostat cycle and calculates the modula...

Страница 93: ...ntrol CPU The RPM is used to evaluate vent system re sistance This evaluation is then used to determine the re quired RPM necessary to operate the inducer motor at maximum heat The blower motor BLWM will transition to maximum heat airflow five seconds after the furnace control CPU switches from a low range input to maxi mum heat As the inducer RPM increases the high pres sure switch HPS should clo...

Страница 94: ...ed The outdoor unit will stop and the furnace blower motor BLWM will continue operating at cooling airflow for an additional 90 seconds Jumper Y Y2 to DHUM to reduce the cooling off delay to 5 seconds See Fig 36 2 Single Stage Thermostat and Two Speed Cooling Adaptive Mode See Fig 36 and 38 for thermostat connections This furnace can operate a two speed cooling unit with a single stage thermostat ...

Страница 95: ...losed by the thermostat the blower motor BLWM will operate at continuous blower airflow Continuous blower airflow selection is initially based on the SW3 selection shown in Table 7 Factory default is shown in Table 7 Terminal EAC 1 is energized as long as the blower motor BLWM is energized During a call for heat the furnace control CPU will transition the blower motor BLWM to continuous blower air...

Страница 96: ...e same time the blower motor BLWM will remain on at minimum heat airflow for the selected blower OFF delay period At the end of the blower OFF delay the blower motor BLWM will shut OFF unless G is still energized in which case the blower motor BLWM will operate at continuous blower airflow Component Self Test Refer to page 80 for instructions 338307 201 REV L A190031 Fig 72 Wiring Diagram ...

Страница 97: ...g dealer or classified section of your local telephone directory under Heating Equipment or Air Conditioning Contractors and Systems headings for dealer listing by brand name or contact CARRIER CORPORATION Consumer Relations Department P O Box 4808 Syracuse New York 13221 1 800 CARRIER Have available the model number series number and serial number located on the unit rating plate to ensure correc...

Страница 98: ...er Corp D 7310 W Morris St D Indianapolis IN 46231 Edition Date 1 19 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 59MN7B 01SI Replaces NEW ...

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