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268890-UIM-B-0607

Unitary Products Group

SECTION XI: WIRING DIAGRAM

FIGURE 41:

Wiring Diagram

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Страница 1: ...9 Gas Valve 9 Downflow Gas Piping 9 Horizontal Gas Piping 9 Electrical Wiring 11 Thermostat Chart 12 Accessory Connections 13 Typical Twinned Furnace Application 13 Single Stage Twinning Wiring Diagram 14 Two Stage Twinning Wiring Diagram 14 Dimensions 16 Home Layout 17 Downflow Horizontal Vent Assembly 18 Termination Configuration 1 Pipe 18 Termination Configuration 2 Pipe 18 Termination Configur...

Страница 2: ...tible materials as listed under Clearances to Combustibles in Table 1 Provide clearances for servicing ensuring that service access is allowed for both the burners and blower These models ARE NOT CSA listed or approved for installation into a HUD Approved Modular Home or a Manufactured Mobile Home This furnace is not approved for installation in trailers or recre ational vehicles Failure to carefu...

Страница 3: ...y other storage purposes as a fire hazard may be created Never store items such as the following on near or in contact with the fur nace 1 Spray or aerosol cans rags brooms dust mops vacuum cleaners or other cleaning tools 2 Soap powders bleaches waxes or other cleaning com pounds plastic items or containers gasoline kerosene ciga rette lighter fluid dry cleaning fluids or other volatile fluid 3 P...

Страница 4: ...g the cabinet to the duct connec tor Refer to the installation instructions for additional information When replacing an existing furnace if the existing plenum is not the same size as the new furnace then the existing plenum must be removed and a new plenum installed that is the proper size for the new furnace Ductwork Installation NOTE When attaching duct flange do not shoot the screw down into ...

Страница 5: ...anges or tabs that are securely attach and sealed to the supply air duct and to the base of the furnace The transi tion duct must have insulation between the transition duct and any com bustible material The transition duct must be the same dimensional size as the rectangu lar opening in the base of the furnace TABLE 2 Minimum Duct Sizing For Proper Airflow Input Nominal Airflow Return1 Rectangula...

Страница 6: ...net specifically intended for horizontal applications If a matching cooling coil is used it may be placed directly on the supply air side of the furnace and sealed to prevent leakage A warm air duct plenum with 1 2 54 cm is installed through the opening provided The supply air duct system is connected to the warm air plenum and sealed to prevent leaks IMPORTANT The furnace the cooling coil cabinet...

Страница 7: ...INSTALLATION All applications require the use of a filter Replacement filter size is shown in Table 5 NOTES 1 Air velocity through throwaway type filters may not exceed 300 feet per minute All velocities over this require the use of high velocity fil ters FIGURE 3 Dimensions C 19 1 4 1 1 4 1 1 4 5 8 5 8 23 5 8 D 2 1 4 23 1 4 20 B BOTTOM IMAGE SUPPLY END TOP IMAGE RETURN END LEFT SIDE RIGHT SIDE HO...

Страница 8: ...ace plenum Any branch duct rectan gular or round duct attached to the plenum must attach to the vertical plenum above the filter height The use of straps and or supports is required to support the weight of the external filter box An accessory filter rack is available ATTIC INSTALLATION This appliance is design certified for line contact when the furnace is installed in the horizontal left or righ...

Страница 9: ...d at the factory for natural gas fired operation at 0 8 000 feet 0 m 2 438 m above sea level The manifold pressure must be changed in order to manitain proper and safe operation when the furnace is installed in a location where the altitude is greater than 8 000 feet 2 438 m above sea level Refer to to Table 6 for proper manifold pressure settings HIGH ALTITUDE PRESSURE SWITCH CONVERSION For insta...

Страница 10: ...n extremely dangerous condition resulting in premature heat exchanger failure excessive sooting high levels of carbon monoxide personal injury property damage a fire hazard and or death High altitude and propane LP conversions are required in order for the appliance to satisfactory meet the application An authorized distributor or dealer must make all gas conversions In Canada a certified conversi...

Страница 11: ...eversed the control board will flash 9 times The furnace will not operate until the polarity is corrected Refer to Furnace Diag nostics section of the User s Information Maintenance Ser vice Manual provided with this furnace LOW VOLTAGE CONTROL WIRING CONNECTIONS Install the field supplied thermostat by following the instructions that come with the thermostat With the thermostat set in the OFF pos...

Страница 12: ...mmon C 24 Volt Common Optional w Batteries BN11C01124 DP11C40124 PSC FURNACE CONTROL SINGLE STAGE AIR CONDITIONING BN11C00124 BP11C50124 PP11C70224 THERMOSTAT THERMOSTAT THERMOSTAT HP1 W 031 01975 Series Demand Control Single Stage H P E RD E BD ERHS HPX13 w Single Stage Furnace 1 Stage Cooling Ready G L 8 9S XYF80 U XYF80 U L XYF90 U SINGLE STAGE HEAT PUMP DN22U00124 BP21H50124 PP32H70124 THERMOS...

Страница 13: ...d furnace operates on W2 then the use of an air mixing device in the plenum to mix the air from both fur naces is strongly recommended The mixing device must be installed before any ducts that supply air to occupied spaces Twinning causes both indoor fans to operate simultaneously If a mixing device is not used any ducts that are connected down stream from the furnace that operates on W2 will be s...

Страница 14: ... as shown in the Figure 15 1 Connect the low voltage wiring from the wall thermostat to the ter minal strip on the control board of Furnace 1 For staging applica tions the wire from thermostat W1 is connected to the W connection on the board on Furnace 1 The wire from thermostat W2 is connected to Furnace 2 through a separate relay as described below 2 Connect a wire from the TWIN terminal of Furn...

Страница 15: ...ype BH Gas Venting Systems IPEX System 636 PVC is certified to this standard 8 In Canada the first three feet 900 mm of the vent must be readily accessible for inspection Example An 80 000 BTUH furnace requires 32 feet of pipe and four 90º elbows Using 2 pipe and standard elbows the total equivalent length will be This exceeds the 65 foot maximum equivalent length of 2 pipe allowed for that model ...

Страница 16: ...r proper fit support and slope on the following systems A Sealed combustion air systems from the furnace to the out side termination B Ventilated combustion air systems from the furnace to the attic or crawl space termination 6 Disassemble the combustion air and vent piping apply cement primer and the cement per the manufactures instructions Primer and cement must conform to ASTM D2564 for PVC or ...

Страница 17: ...ions 9 inches 23 cm for models 50 000 BTUH 15 kW 12 inches 30 cm for models 50 000 BTUH 15 kW C Clearance to permanently closed window 12 inches 30 cm 12 inches 30 cm D Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet 61 cm from the center line of the terminal 12 inches 30 cm or in accordance with local installation codes and the requirement...

Страница 18: ...PVC street elbow as shown in Figure 18 3 Locate the rubber condensate hose in front of the blower access panel 4 Slide the hose through the hole in the top cover and insert the hose on to the barbed fitting on the bottom of the 2 5 08 cm PVC WYE Y assembly as shown in Figure 18 HORIZONTAL VENT ASSEMBLY Horizontal Left Vent Assembly 1 Place the 2 5 08 cm 45 PVC street elbow on the vent connec tion ...

Страница 19: ...ugh a PVC or ABS pipe that is connected to the PVC coupling attached to the burner box and is terminated in the same atmospheric zone as the vent This type of installation is approved on all models Refer to Figures 25 27 2 AMBIENT COMBUSTION AIR Combustion air is supplied from the area surrounding the furnace through the combustion air pipe in the furnace casing The combustion air and the vent pip...

Страница 20: ...ouvers and grilles varies widely the installer should follow lou ver or grilles manufacturer s instructions Dampers Louvers and Grilles Canada Only 1 The free area of a supply air opening shall be calculated by sub tracting the blockage area of all fixed louvers grilles or screens from the gross area of the opening 2 Apertures in a fixed louver a grilles or screen shall have no dimension smaller t...

Страница 21: ...lbow usage Follow all notes procedures and required materials in the SEALED COMBUSTION AIR SUPPLY section in these instructions when installing the combustion air pipe from the unit and into a venti lated attic space or crawl space DO NOT terminate vent pipe in an Attic or Crawl Space Ventilated Combustion Air Termination Refer to Figure 28 for required attic termination for the combustion air int...

Страница 22: ...roof heat tape Wrap the drain trap and the drain line with the heat tape and secure with ties Follow the heat tape manufacturer s recommendations CONDENSATE DRAIN HOSE PART NUMBERS DOWNFLOW HORIZONTAL CONDENSATE INTERNAL DRAIN CONFIGURATIONS Downflow Refer to Figure 30 Furnace is shipped with one end of condensate hose 2 left open in the furnace If the provided Wye s drain is aligned with the open...

Страница 23: ...te pan close to the inducer 8 Install hose 9 between the external drain on the Wye and the condensate trap with the dogleg end installed on the protruded stub drain of the condensate trap The length of hose 9 may have to be trimmed to ensure proper condensate drainage 9 Remove all condensate hoses off the 3 8 barbed tee 10 Cut 1 1 2 length of straight 3 8 hose off of hose 5 and install it on the 3...

Страница 24: ...HIS TUBE FOR THE BLOCKED CONDENSATE SWITCH MUST BE RELOCATED FROM ITS ORIGINAL FACTORY INSTALLED LOCATION BEHIND THE COMBUSTION AIR PIPE TO THE TAP BEHIND THE DRAFT INDUCER A SMALL HOSE IS INSTALLED ON THE TAP TO FACILITATE THIS STEP 7 HOSE 6 BLOCKED CONDENSATE TAP HOSE 4 AIR COMBUSTION PIPE 3 WAY TRANSITION Shown Provided with some furnaces ...

Страница 25: ...8 BARBED TEE 3 8 BARBED NIPPLES 1 1 2 PIECE OF 3 8 HOSE HOSE 10 3 4 2 1 2 HOSE 4 SPRING CLAMP 1 SPRING CLAMP 1 2 3 4 22 1 8 HOSE 8 DOG LEG USED AFTER CONDENSATE TRAP HOSE 9 3 4 33 3 4 1 5 8 HOSE 6 1 5 16 70 1 3 8 25 32 60 5 1 4 2 3 4 90 90 1 2 13 16 3 13 16 HOSE 10 3 8 BARBED NIPPLES 3 8 BARBED TEE HOSE 6 HOSE 4 1 1 2 LONG 3 8 HOSE HOSE 5 SPRING CLAMP 9 3 4 3 4 ...

Страница 26: ...ckout opening in this configuration using the provided condensate trap bracket Some modifications may however have to be made to the condensate hoses Installation with condensate trap bracket Back of casing Refer to Figure 35 36 1 Remove the 2 knockout on the casing side away from the inducer motor 2 Remove all the condensate hoses inside the furnace including the 3 8 barbed nipple factory install...

Страница 27: ...cts Group 27 FIGURE 33 Horizontal Right Condensate Drain Hose Configuration Option 1 Front of Casing HOSE 2 HOSE 7 THIS TUBE FOR THE BLOCKED CONDENSATE SWITCH HAS BEEN FACTORY INSTALLED FOR THIS POSITION HOSE 9 HOSE 4 3 8 BARBED TEE ...

Страница 28: ...OSE 4 SPRING CLAMP 3 4 3 4 HOSE 7 21 SPRING CLAMP 3 4 17 1 2 3 8 HOSE 2 DOG LEG 1 SPRING CLAMP 1 2 3 4 22 1 8 HOSE 8 DOG LEG USED AFTER CONDENSATE TRAP 1 2 3 4 8 1 8 HOSE 1 DOGLEG SPRING CLAMP CUT 4 1 2 PIECE RECOMMENDED CONDENSATE TRAP ORIENTATION HOSE 7 HOSE 2 3 8 BARBED NIPPLE HOSE 4 HOSE 9 3 8 BARBED TEE HOSE 7 HOSE 10 5 1 4 2 3 4 90 90 1 2 13 16 3 13 16 HOSE 10 ...

Страница 29: ...t Condensate Drain Hose Configuration Option 2 Back of Casing HOSE 2 CUT FROM HOSE 1 2 1 2 long HOSE 7 THIS TUBE FOR THE BLOCKED CONDENSATE SWITCH HAS BEEN FACTORY INSTALLED FOR THIS POSITION HOSE 9 HOSE 4 3 8 BARBED TEE 3 WAY TRANSITION Shown Provided with some furnaces ...

Страница 30: ...OSE 4 SPRING CLAMP 3 4 3 4 HOSE 7 21 SPRING CLAMP 3 4 17 1 2 3 8 HOSE 2 DOG LEG 1 SPRING CLAMP 1 2 3 4 22 1 8 HOSE 8 DOG LEG USED AFTER CONDENSATE TRAP 1 2 3 4 8 1 8 HOSE 1 DOGLEG SPRING CLAMP CUT 4 1 2 PIECE RECOMMENDED CONDENSATE TRAP ORIENTATION HOSE 7 HOSE 2 HOSE 1 3 8 BARBED NIPPLE HOSE 4 HOSE 9 3 8 BARBED TEE HOSE 7 5 1 4 2 3 4 90 90 1 2 13 16 3 13 16 HOSE 10 ...

Страница 31: ...ent piping or terminal 3 Failure of combustion air blower motor 4 Blockage of condensate drain piping LIMIT CONTROLS There is high temperature limit control located on the furnace vestibule panel near the gas valve This is an automatic reset control that pro vides over temperature protection due to reduced airflow This may be caused by 1 Dirty filter 2 If the indoor fan motor should fail or 3 Too ...

Страница 32: ... ing out With furnace in operation check all of the pipe joints gas valve connec tions and manual valve connections for leakage using an approved gas detector a non corrosive leak detection fluid or other leak detection methods Take appropriate steps to stop any leak If a leak persists replace the component The furnace and its equipment shutoff valve must be disconnected from the gas supply piping...

Страница 33: ...d at the gas meter times a barometric pressure and temperature correction factor of 0 960 times 3600 then divided by the time it took to measure 0 10 m3 of gas from the gas meter For Propane LP Gas multiply the Heat content of the gas MJ m3 or Default 93 15 times 0 10 m3 of gas measured at the gas meter times a baro metric pressure and temperature correction factor of 0 960 times 3600 then divided...

Страница 34: ...ference atmo spheric pressure Refer to Figure 39 for connection details IMPORTANT The cap for the pressure regulator must be removed entirely to gain access to the adjustment screw Loosening or tightening the cap does not adjust the flow of gas 1 Refer to Figure 38 for location of pressure regulator adjustment cap and adjustment screw on main gas valve 2 Turn gas and electrical supplies on and fol...

Страница 35: ...ming may be adjusted by positioning the jumper on two of the four pins as shown in Figure 40 The blower speed connections shown in Figure 40 are typical How ever these connections may vary from model to model and may be changed as needed to give proper heating and cooling airflow WITH BURNER BOX COVER IN PLACE WITH BURNER BOX COVER REMOVED FIGURE 39 Reading Gas Pressure 6 5 4 3 2 1 0 1 2 3 4 5 6 6...

Страница 36: ... out Low gas pressure faulty gas valve faulty hot surface ignitor or burner problem may cause this The furnace will lock out for one hour and then restart 8 RED FLASHES This fault is indicated if the flame is lost 5 times 4 recycles during the heating cycle This could be caused by low gas pressure or faulty gas valve The furnace will lock out for one hour and then restart 9 RED FLASHES Indicates r...

Страница 37: ... 26 25 24 22 21 19 Low 775 777 757 733 698 663 627 584 549 490 22 22 21 21 20 19 18 17 16 14 80 1600 C High 2071 2026 1981 1935 1864 1796 1713 1625 1532 1401 59 57 56 55 53 51 48 46 43 40 Med High 1583 1590 1569 1554 1532 1502 1457 1409 1327 1221 45 45 44 44 43 43 41 40 38 35 Med Low 1256 1275 1275 1288 1275 1265 1232 1187 1126 1023 36 36 36 36 36 36 35 34 32 29 Low 937 939 936 945 942 936 912 874...

Страница 38: ...0 50 from the airflow 0 60 to obtain air flow difference 2042 2152 110 CFM 3 Subtract the total system static from 0 50 and divide this differ ence by the difference in ESP values in the table 0 60 0 50 to obtain a percentage 0 58 0 50 0 60 0 50 0 8 4 Multiply percentage by airflow difference to obtain airflow reduc tion 0 8 x 110 88 5 Subract airflow reduction value to airflow 0 50 to obtain actu...

Страница 39: ...268890 UIM B 0607 Unitary Products Group 39 SECTION XI WIRING DIAGRAM FIGURE 41 Wiring Diagram ...

Страница 40: ...to change without notice Printed in U S A 268890 UIM B 0607 Copyright by York International Corp 2007 All rights reserved Supersedes 268890 UIM A 0407 Unitary 5005 Norman Product York OK Group Drive 73069 NOTES ...

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