Home

Installation Instructions click here

1. 4 0 2 LEADS 1 GROUND 84 0 EB SERIES FURNACES HEAT COOL al Je T STAT XL lt 3 T ck aa e MODEL uu gu Q9 gt T O Q Ono A E 22 xu g COND UNIT mr a gt o CONTACTOR Lo CIRCUIT 1 SINGLE BRANCH GRN BREAKER CIRCUIT SERVICE 2 SPADE INSUL TERMINALS USED WHEN CHANGING WHT SPEEDS BLOWER RELAY o e 240 VAC 60 Hz BLU 1 PHASE FUSE RED 3A CIRCUIT 2 BLK BLK BREAKER GND LUG CIRCUIT 1 Ce WHT BREAKER CIRCUIT 1 er YEL GND LUG 240 VAC O YEL 60 Hz e 1 PHASE DIZ T T eee Ut i weed G DUAL BRANCH 0 BLK CIRCUIT SERVICE q EA t 2 CIRCUIT 2 Ol 240 VAC d mu S S GC 60 Hz ees CIRCUIT 2 fol 1 PHASE BREAKER Gp LUG x 240 VAC 60 Hz 1 PHASE D O E OUTPUT CAPACITY BTU RED MAX MOTOR FLA SINGLE BRANCH RED CIRCUIT SERVICE MENTE T NOMINAL CIRCUIT LOAD AMPS SWITCHES NOTE IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C THERMOPLASTIC OR ITS EQUIVALENT FACTORY WIRING SHOWN SOLID FIELD WIRING SHOWN BROKEN WIRING MUST CONFORM TO LOCAL CODES
2. BLEND AIR 4 SPEED BLOWER CONTROL BOX EB SERIES FURNACES al Tu HEAT COOL S mx m T STAT 28 85 ds Qo O lt ou au 20 SO e COND UNIT m gt ma O CONTACTOR 2 SPADE INSUL TERMINALS USED WHEN CHANGING SPEEDS GRN WHT TRANSFORMER FUSE BLK RED 3A RED m BLOWER BLK E RELAY o BLK S YEL CIRCUIT 1 BREAKER o B YEL T D O Ed 240 VAC BLU RED gt 60 Hz 1 PHASE A g H O X CIRCUIT 2 VI BREAKER S J GND LUG MODEL EB12B SINGLE BRANCH RED CIRCUIT SERVICE ELEMENTS LIMIT SWITCHES NOTE IF ANY OF THE ORIGINAL WIRE SUPPLIED 240 VAC 60 Hz 1 PHASE WITH THIS UNIT MUST BE REPLACED IT D O E OUTPUT CAPACITY BTU 39 000 MUST BE REPLACED WITH TYPE 105 C MAX MOTOR ELA 40 THERMOPLASTIC OR ITS EQUIVALENT SINGLE BRANCH FACTORY WIRING SHOWN SOLID FIELD DIBCURRSERUIGE 2 LEADS 1 GROUND WIRING SHOWN BROKEN NOMINAL CIRCUIT LOAD AMPS 50 7 WIRING MUST CONFORM TO LOCAL CODES reas UL du ES APPROVED FOR CU CONDUCTORS ONLY WIRE SIZE 60 C COPPER 4 MAX FUSE SIZE OR CB AMPS 70 FIGURE 18 EB12B WIRING DIAGRAM 12 Unitary Products Group BLU MED HIGH SP YEL MED LOW SP BLK COOLING SP RED HEATING SP CAPACITOR RED BLK BLEND AIR CONTROL BOX HEAT COOL SS 2 SPADE INSUL TER
3. When using separate thermostats a thermostat NS gt interlock system must be provided to prevent simul taneous operation of the furnace and air conditioner Simultaneous operation can result in coach over Y heating equipment damage and energy waste See Wb Figures 15 and 16 RR Do not connect Yellow wire to thermostat until an SE outdoor unit is installed TO TO AIR CONDITIONER FURNACE FIGURE 15 THERMOSTAT WIRING The EB B Furnaces are A C ready All furnaces installations should include a minimum of four conductor thermostat wiring to accommodate future air conditioning installations THERMOSTAT WIRING SCHEMATIC FOR BLEND AIR AND FURNACE UE A c JE ae NOT FACTORY STANDARD OR DELUXE INSTALLED BLEND AIR CONTROL BOX Four conductor wire is required for thermostat connection Attach the 4 low voltage wires extending from the control box as follows 1 RED wire from Furnace to thermostat RED wire 2 WHITE wire from Furnace to thermostat WHITE wire 3 GREEN wire from Furnace to thermostat GREEN wire WIRES FROM FURNACE 4 BLACK wire from Furnace to condensing unit contactor 5 Thermostat YELLOW wire to condensing unit contactor FIGURE 16 THERMOSTAT WIRING OPTIONAL AIR CONDITIONING This furnace is already equipped with a blower and control ACCESSORIES system to add on air conditioning up to 4 tons and heat pump up to 3 1 2 tons Insulation and coil shelf kit 3500 8941 for downflow or
4. ELEMENTS LIMIT SWITCHES CIRCUIT 2 BREAKER NOTE IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C THERMOPLASTIC OR ITS EQUIVALENT FACTORY WIRING SHOWN SOLID FIELD WIRING SHOWN BROKEN WIRING MUST CONFORM TO LOCAL CODES APPROVED FOR CU CONDUCTORS ONLY FIGURE 20 EB17B WIRING DIAGRAM 14 O E og hee ee Ge CIRCUIT 1 GND LUG 240 VAC 60 Hz 1 PHASE eres n sg DUAL BRANCH CIRCUIT SERVICE CIRCUIT 2 240 VAC 60 Hz tees 1 PHASE ux GND LUG A 240 VAC 60 Hz 1 PHASE D O E OUTPUT CAPACITY BTU MAX MOTOR FLA SINGLE BRANCH CIRCUIT SERVICE 4 0 2 LEADS 1 GROUND NOMINAL CIRCUIT LOAD AMPS 70 7 WIRE SIZE 75 C COPPER 3 WIRE SIZE 60 C COPPER 2 MAX FUSE SIZE OR CB AMPS DUAL BRANCH CIRCUIT SERVICE 90 4 LEADS 2 GROUNDS CKT 1 CKT 2 BRANCH CKT LOAD AMPS 47 3 23 4 BRANCH CKT MIN AMPACITY 59 2 29 3 WIRE SIZE 75 C COPPER 6 10 WIRE SIZE 60 C COPPER 4 10 MAX FUSE SIZE OR CB AMPS 60 30 tREQUIRES JUMPER BARS P N 3500 378 Unitary Products Group M CAPACITOR 4 SPEED BLOWER BLEND AIR CONTROL BOX 035 15266 003 Rev A 0804 EB20B
5. EB23B WIRING DIAGRAM 16 Unitary Products Group 035 15266 003 Rev A 0804 REPAIR PARTS LIST MODELS EB10B EB12B EB15B EB17B EB20B Ierwe Unitary Products Group 035 15266 003 Rev A 0804 DESCRIPTION EB10B EB12B EB15B 1 Thermostat Heat Cool 025 38746 000 025 38746 000 Front Panel 3500 1751 B 3500 1751 B 3500 1751 B Front Panel Front Return 4 Ton 3500 1581 3500 1581 3500 1581 2 M Front Panel Front Return 5 Ton 3500 1591 3500 1591 3500 1591 3 Filter 16 x 20 x 1 1214 2511 1214 2511 1214 2511 6 Cover Service Entrance 3500 1271 35002271 35004271 Sub base M10 Optional Blower Motor For furnaces produced 1468 243P A 1468 243P A 1468 243P A 10 Blower Motor For furnaces produced 024 27651 000 024 27651 000 024 27651 000 E after 2 99 bel Motor Mount Assembly IPC Kit M Po 16 Limit Baffle For furnaces produced 3500 129 3500 101 3500 101 17 Heater Element For furnaces pro 9 6Kw 11 2Kw 4 8Kw amp 9 6Kw duced before 3 98 3500 4101 3500 4121 3500 4051 amp 3500 4101 18 Heater Element See Note 3 9 6Kw 11 2Kw 4 8Kw amp 9 6Kw 3500 410P A 3500 412P A 3500 405P A amp 3500 410P A 19 Transformer 240 24V 40A 22 Limit Switch For furnaces produced 2 ea 7142 3091 2 ea 3500 3
6. Figure 1 6 Four wire thermostat operation for heating and cooling 7 Coil cavity built into furnace 8 All furnaces are equipped with an air conditioner blower and is A C or Heat Pump ready 9 Holding strap furnished on top rear of furnace 10 This furnace is designed for downflow application how ever it may be converted to an upflow application See Page 6 for upflow conversion instruction 11 This furnace must not be operated without the front panel installed NOTE This furnace and its components listed on the A C and Heat Pump equipment sticker were listed in combination as a system by Underwriter s Laborato ries for the United States and Canada CODES The electric furnace must be installed in accordance with the following codes Standard for the Installation of Air Conditioning and Ven tilating Systems NFPA 90A e Standard for the Installation of Warm Air Heating and Air Conditioning Systems NFPA 90B e National Electric Code NFPA 70 e Canadian Electrical Code Part CSA C22 1 e All local codes state county township NOTE All applicable codes take precedence over any rec ommendation made in these instructions LOCATION Access for servicing is an important factor in the location of any furnace Provide a minimum of 24 inches in front of the furnace for access to the heating elements and controls This access may be provided by a closet door or by locating the furnace 24 inches from a facing
7. Motor For furnaces produced 024 27651 000 024 27651 000 024 27651 000 after 2 99 11 Capacitor 7 5MFD 370V 7 5MFD 370V 1499 M61 4461 1499 4461 4461 1499 4461 4461 EM I UN 3301 3301 amer 3301 Motor Mount Assembly 1PC Kit 373 19831 001 373 19831 001 373 19831 001 15 Blower Wheel 14722881 1472 2831 1472 2831 ee Baffle For furnaces Een EGTTUrmaGSS OIG oo 129 3500 129 3500 129 before aes Heater Element For furnaces produced 4 8Kw amp 11 2Kw 2 Ea 9 6Kw 10 4Kw amp 11 2Kw before 3 98 3500 SE amp 3500 4101 3500 4111 amp 3500 4121 3500 4121 Heater Element See Note 3 5 6Kw amp 10 4Kw 2 Ea 9 6Kw 10 4Kw amp 11 2Kw 3500 406P A amp 3500 410P A 3500 411P A amp 3500 411P A 3500 412P A Transformer 240 24V 40A 3300 3861 3300 3861 3300 3861 3115 3571 312043571 31203571 Bracket Circuit Breaker 3500 128 3500 128 128 3500 128 128 21 22 Limt Switch For furnaces produced 3 ea Ayan roa TAR ea 7142 2 EL UN ea 7142 n Circuit Breaker 2 Req d See Note 2 25 Ground Lug Large 1216 231 1216 231 1216 231 Ground Lug Small 1216 229 1216 229 1216 229 lt 28 See Page 20 For Field Fix Kits Wiring diagram 035 15277 001 035 15278 001 035 15279 001 025 32746 026 025 32746 026 025 32746 026 NOTE Not Shown Major components and suggested stocking items are shown with shaded item number Not applicable to
8. the furnace to a structural member using screws and the strap on top of the furnace The mobile home manufacturer may provide an equivalent strap if required to secure the furnace If excessive movement is expected then some blower support is recommended USE BLUNT lt SCREWS HERE MOUNTED WITH SCREWS DUCT J CONNECTOR LINESET KNOCKOUT EB SERIES UPFLOW FURNACE FIGURE 12 BLOWER BRACKET AND DUCT FLANGE ATTACHMENT Table 2 MODELS Nominal Circuit Load AMPS Minimum Wire Size 90 Minimum Wire Minimum Wire Size 60 SS Ground Wire Size 39 5 Max Dual E ranc Ize 5 e use or C B AMP Ircuit Service 035 15266 003 Rev A 0804 WIRING Furnace wiring is complete except for the power supply and the thermostat wires See wiring diagram or Table 2 for wire and fuse size See Table 2 for ground wire sizes Thermostat wires connect through side of furnace and should also be no smaller than 22 gauge Power wires can enter through the side of the unit or through the auxiliary entrance located in the bottom of the unit See Figure 1 When bringing wiring through the bottom of the furnace cable connectors must be installed to hold wiring in place and to relieve any strain on the wiring These connectors will also serve as a seal between the furnace and the floor Thus additional sealing is not required Refer to the National Electrical Code Canadian Electr
9. wall or partition FURNACE CLEARANCE Electric furnace is approved for zero 0 in clearance to com bustible material on all or any part of the furnace exterior and the inlet or outlet duct work Clearances must be provided above the furnace for a minimum of 200 sq inches free open ing for return air For clearances other than shown above see paragraph on Return Air RETURN AIR In order for the furnace to work properly a closet or alcove must have a certain total free area opening for return air FOR HEATING ONLY FURNACE Minimum 200 in free area opening Use Return Grille 7900 287P B Or any Return Grille with minimum 200 in free area opening FOR A C UP TO 4 TONS AND HP UP TO 3 1 2 TONS Minimum 250 in free area opening Use Return Grille 7900 287P B 1FG0620BK hinged Or Louvered Door 3500 1581 3500 5851 bulk pack Or any Return Grille with minimum 250 in free area opening FOR A C UP TO 5 TONS AND HP UP TO 4 TONS Minimum 330 in free area opening Use Return Grille 1RF1025BK 1FG0125 hinged Or Louvered Door 3500 1591 3500 5861 bulk pack Or any Return Grille with minimum 330 in free area opening The return air opening can be located in a closet front door or a sidewall above the furnace casing or in a louvered door on the furnace If opening for the return air is located in the floor side walls or closet door anywhere below furnace casing height 6 inches minimum clearance must be provided on t
10. 121 3 ea 3500 3151 A before 3 98 Open 150 Close 110 Open 150 Close 120 Open 150 Close 110 23 Circuit Breaker 1 Req d 3500 377P A Circuit Breaker 2 Req d 3500 377P A 3500 377P A 25 Ground Lug Large 1216 231 1216 231 1216 231 Coil Shelf Panel See Note 1 3500 171 3500 171 3500 171 Insulation Cover Panel See Note 1 010 69111 001 010 69111 001 010 69111 001 32 WR See Page 20 Field Fix Kits Wiring diagram 035 15274 001 035 15275 001 035 15276 001 36 025 32746 026 025 32746 026 025 32746 026 NOTE Not Shown Major components and suggested stocking items are shown with shaded item number Ir Not applicable to specified model All parts with three digit suffix numbers are Special Order parts These parts are subject to factory availability and require extra time for delivery 1 Not Standard with furnace contained in accessory kit no 3500 8941 lt 2 Standard on EB12B 18 Unitary Products Group 035 15266 003 Rev A 0804 ITEM DESCRIPTION EB17B EB20B EB23B Front Panel 3500 1751 B 3500 1751 B 3500 1751 B Front Panel Front Return 4 Ton 3500 1581 3500 1581 3500 1581 Front Panel Front Return 5 Ton 3500 1591 3500 1591 3500 1591 3 E 1214 2511 1214 2511 1214 2511 HONEC 1 EMEN 85001861 35003861 35001861 Cover Service Enirance 3500 1271 8 Sub base M10 Optional Blower Motor For furnaces produced 1468 243P A 1468 243P A 1468 243P A before 2 99 M Blower
11. 35 15266 003 Rev A 0804 SEQUENCERS CIRCUIT BREAKERS THERMOSTAT Kg 5 WIRES 3500 378P JUMPER BARS FOR SINGLE BRANCH CIRCUIT SERVICE NOTE AS SHIPPED THE JUMPER BAR ASSEMBLY IS SET UP FOR BOTTOM ENTRY FOR SIDE p ENTRY THE TOP LUG CAN BE E E REMOVED AND RE POSITIONED TRANSFORMER E AS SHOWN TO PROVIDE j o d PROPER WIRE BENDING 010 CLEARANCES LIMIT T e SWITCHES 7 GROUND LUGS BLOWER RELAY fe FIGURE 13 CONTROL BOX THERMOSTAT INSTALLATION The adjustable heat anticipator in the thermostat is pre set at AWARNING 0 4 Amps This setting should be checked at the time of installation For personal safety be sure to turn the electrical In some cases the thermostat may be a self setting type in power OFF at the household service box and at which case no Amp setting will be found on the thermostat the furnace circuit breakers before attempting any eliminating the need for any field adjustment service or maintenance operations Homeown
12. 3500 8961 for upflow must be installed when A WARNING adding on such remote air conditioning systems Failure to install this insulation and coil shelf kit could result in damage to equipment and or per sonal injury Liability and warranty from the manu facturer could also be void 10 Unitary Products Group 035 15266 003 Rev A 0804 HIGH PERFORMANCE BLOWER ACCESSORY All EB furnaces are already equipped with a blower and con PACKAGE trol system to add on air conditioning up to 4 tons and heat pump up to 3 1 2 tons If the requirement is to achieve more than specified than the production blower inside the furnace A CAUTION would have to be replaced with an accessory blower package 3500 7901 This accessory blower package would deliver air All areas around the line sets drain hoses and other conditioning up to 5 tons and heat pump up to 4 tons Acces openings in the coil shelf should be sealed air tight sory package 3500 7901 includes blower insulation coil Use some moldable compound or caulking to seal shelf trap clamps etc Please refer to the installation instruc the area Failure to do so may result in loss of per tions packed with the accessory package for more informa formance and premature compressor failure tion WIRING DIAGRAMS CAPACITOR BLEND AIR CONTROL BOX 4 SPEED BLOWER EB SERIES FURNACES HEAT COOL T STAT oW CO
13. APPROVED FOR CU CONDUCTORS ONLY FIGURE 21 EB20B WIRING DIAGRAM Unitary Products Group WIRE SIZE 75 C COPPER 2 WIRE SIZE 60 C COPPER 1 MAX FUSE SIZE OR CB AMPS DUAL BRANCH CIRCUIT SERVICE 4 LEADS 2 GROUNDS CKT 1 CKT 2 BRANCH CKT LOAD AMPS BRANCH CKT MIN AMPACITY WIRE SIZE 75 C COPPER WIRE SIZE 60 C COPPER MAX FUSE SIZE OR CB AMPS REQUIRES JUMPER BARS P N 3500 378 15 035 15266 003 Rev A 0804 2 CAPACITOR BLEND AIR CONTROL BOX 4 SPEED BLOWER EB SERIES FURNACES HEAT COOL al Jk T STAT No Oo i OOo 03 O I Z Zi m gt D 0538 3 MODEL EB23B 230 xa 9 COND UNIT 9 ari aS o CONTACTOR D CIRCUIT 1 SINGLE BRANCH Los BREAKER CIRCUIT SERVICE H GRN SS 2 SPADE INSUL TERMINALS WHT i Ss oc USED WHEN CHANGING lt SPEEDS 1 g BLOWER QN a n RELAY o
14. BRACKET YY l FIGURE 10 INSTALLATION OF FURNACE INSTALLATION OF THE FURNACE 1 Remove the front panels and set the furnace onto the duct connector Slide it back until the rear of the unit engages the locator bracket 2 Secure the front of the furnace with two screws at the mounting holes provided See Figure 10 3 Secure the top of the furnace to a structural member using screw through the strap at the top of the furnace Strap may be moved to any of the holes located along the top back of the furnace Installer may provide an equivalent method such as screws through the casing side FURNACE CONVERSION TO UPFLOW APPLICATION Upflow furnace conversion is easily accomplished by follow ing the steps listed below Provide adequate clearance for servicing 1 Before Conversion locate the furnace conveniently away from wall facing or partitions to permit easy removal and installation of components 2 Two 2 feet of space must be available in front of fur nace for future servicing blower or element removal fur nace removal etc 3500 5451 Adapter Box and or 3500 7211 Upflow Flange Plate Kit are needed prior to following steps below 1 Assemble the 3500 5451 filter box per installation pro vided with kit 2 Remove furnace panel Remove air filter 4 Remove strap on the top of the unit saving the scre
15. DOWNFLOW UPFLOW ELECTRIC FURNACE MODELS EB SERIES Incorrect installation may create condition where the operation of the product could cause personal injury or property damage The furnace shall be installed so the electri cal components are protected from water A CAUTION This product must be installed in strict compliance with the enclosed installation instructions and any applicable Local State and National Codes including but not lim ited to building electrical and mechanical codes Improper installation will void the warranty 66669 035 15266 003 Rev A 0804 035 15266 003 Rev A 0804 GENERAL INFORMATION EB FURNACE NOTES The following list includes important facts and information regarding the EB furnace and its packaging inclusions 1 Furnace is rated at 240 volts 60 Hz single phase 2 Heating and Cooling thermostat is packed with furnace 3 Filters are furnished with each model 4 Filter size is universal to all models 16 x 20 x 1 1 7 8 2 5 8 3 1 2 1 5 1 16 5 1 2 5 13 16 1 1 3 4 7 13 16 8 5 8 9 7 16 16 1 2 SUB BASE IF USED ADDS 7 8 MORE TO TOTAL HEIGHT AND 3 8 TO WIDTH THERMOSTAT WIRING ENTRY Tis N FIELD WIRING ENTRY loce e zzirAcirioimmuoou OPTIONAL BOTTOM FIELD WIRING ENTRY FIGURE 1 FURNACE DIMENSIONS 5 Furnace size is the same for all models See
16. MINALS USED WHEN CHANGING SPEEDS BLU Mer 009 9 H COND UNIT CONTACTOR 035 15266 003 Rev A 0804 MODEL EB15B YEL BLOWER RELAY 4 SPEED BLOWER EB SERIES FURNACES Z O O O d c O GRN WHT Q TRANSFORMER E FUSE RED 54 BLK BLK o c O BLK SEQUENCER WHT RED YEL YEL YEL RED YEL ELEMENTS ORG BLK O LIMIT SWITCHES CIRCUIT 2 BREAKER CIRCUIT 1 BREAKER 0 AMP o SF CIRCUIT 2 BREAKER GND LUG NOTE IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C THERMOPLASTIC OR ITS EQUIVALENT FACTORY WIRING SHOWN SOLID FIELD WIRING SHOWN BROKEN WIRING MUST CONFORM TO LOCAL CODES APPROVED FOR CU CONDUCTORS ONLY FIGURE 19 EB15B WIRING DIAGRAM Unitary Products Group CIRCUIT 1 BREAKER SINGLE BRANCH CIRCUIT SERVICE 240 VAC gt 60 Hz 1 PHASE GND LUG Si CIRCUIT 1 240 VAC 60 Hz 1 PHASE DUAL BRANCH CIRCUIT SERVICE CIRCUIT 2 240 VAC 60 Hz 1 PHASE D O E OUTPUT CAPACITY BTU 240 VAC 60 Hz 1 PHASE MAX MOTOR FLA SI
17. ND UNIT CONTACTOR BLU MED HIGH SP YEL MED LOW SP BLK COOLING SP RED HEATING SP ORG COMMON Los 2 SPADE INSUL TERMINALS USED WHEN CHANGING SPEEDS BLOWER TRANSFORMER YEL CIRCUIT 1 YEL BREAKER YEL 240 VAC o m2 SEQUENCER C 60 Hz 1 PHASE MODEL EB10B SINGLE BRANCH CIRCUIT SERVICE YEL ELEMENTS LIMIT SWITCHES 240 VAC 60 Hz 1 PHASE NOTE IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED IT Y MOTOR A TL zi MUST BE REPLACED WITH TYPE 105 C THERMOPLASTIC OR ITS EQUIVALENT cnc Le 2 LEADS 1 GROUND FACTORY WIRING SHOWN SOLID FIELD WIRING SHOWN BROKEN NOMINAL CIRCUIT LOAD AMPS 44 0 WIRE SIZE 75 C COPPER 6 WIRING MUST CONFORM TO LOCAL CODES WIRE SIZE 60 C COPPER 6 APPROVED FOR CU CONDUCTORS ONLY MAX FUSE SIZE OR CB AMPS 60 FIGURE 17 EB10B WIRING DIAGRAM 035 15266 003 Rev A 0804 CAPACITOR
18. NECTOR DEPTH y 23 1 4 _ _ _ __ gt gt a 9 7 8 OPTIONAL SUPPLY DUCT ELECTRIC ENTRANCE ie v 20 1 2 6 3 8 a 9 3 4 gt 4 2 gt FUTURE REFRIGERANT LINE ENTRANCE FIGURE 5 RECOMMENDED FLOOR CUT OUT 7990 FIGURE 6 DUCT CONNECTOR DEPTH SERIES 7990 SERIES 4 Unitary Products Group LOCATOR BRACKET NAILS FLAT HEAD SCREWS OR STAPLES SCREWS SUPPLY DUCT FIGURE 7 DUCT CONNECTOR SCREW ATTACHMENT 7990 SERIES INSTALLATION OF SCREW ATTACHMENT DUCT CONNECTOR 7990 SERIES 1 Make floor cut out as shown in Figure 5 2 Determine the depth of the floor cavity from the surface of the floor to the top of the supply air duct and select the appropriate duct connector from the chart 3 Place locating bracket Supplied with the duct connector to the back edge of the floor opening See Figure 7 4 Apply a water based duct sealant to the 1 2 supply duct attachment flange of the duct connector 5 Determine which of the four positions the duct connector best centers over the supply duct and insert it through the floor cutout 6 When properly aligned with the supply duct secure the duct connector to the floor with nails flat head screws or staples 7 Use screws as required to secure the duct connector to the supply duct 8 C
19. NGLE BRANCH t CIRCUIT SERVICE 4 0 2 LEADS 1 GROUND NOMINAL CIRCUIT LOAD AMPS 64 0 WIRE SIZE 75 C COPPER 4 WIRE SIZE 60 C COPPER 3 MAX FUSE SIZE OR CB AMPS DUAL BRANCH CIRCUIT SERVICE 90 4 LEADS 2 GROUNDS CKT 1 CKT 2 BRANCH CKT LOAD AMPS 44 20 1 BRANCH CKT MIN AMPACITY 25 2 WIRE SIZE 75 C COPPER 10 WIRE SIZE 60 C COPPER 10 MAX FUSE SIZE OR CB AMPS 30 t REQUIRES JUMPER BARS P N 3500 378 13 035 15266 003 Rev A 0804 SR CAPACITOR BLU MED HIGH SP RED HEATING SP BLK COOLING SP YEL MED LOW SP ORG COMMON 4 SPEED BLOWER EB SERIES FURNACE S Zz amp BLEND AIR CONTROL BOX H 2 SPADE INSUL TERMINALS USED WHEN CHANGING SPEEDS BLOWER RELAY BLU TRANSFORMER YEL HEAT COOL TSTAT COND UNIT CONTACTOR MODEL EB17B FUSE RED 3a RED BLK CIRCUIT 1 BREAKER SINGLE BRANCH CIRCUIT SERVICE NERA 240 VAC gt 60Hz 1 PHASE GRN WHT SEQUENCER CIRCUIT 2 BREAKER CIRCUIT 1 BREAKER RED
20. Products Group 035 15266 003 Rev A 0804 Table 3 EB SERIES BLOWER PERFORMANCE Low Speed Static Pressure Heating Speed Inches of WC Models EB10 12 15 CFM STD Air 945 936 Medium Speed Static Pressure Heating Speed Inches of WC Models EB17 20 23 CFM STD Air 1160 1145 1145 1140 129 1109 1073 1027 Static Pressure Medium High Inches of WC with A Coil in place CFM STD Air 1340 1317 1290 1252 1208 1158 1095 1021 Static Pressure High Inches of WC with A Coil in place Table 4 ELECTRICAL DATA MODEL NUMBER EB23B EB20B EB17B EB15B EB12B EB10B D O E TE Ou t l y 60 Hz 230 VAC 71 71000 61 000 52 000 47 000 36 000 31000 000 60 Hz CAPACITY 220 VAC 65000 000 5 000 48 000 43 000 33 000 9000 000 60 Hz Motor AMPS 9 240 V 4 0 Maximum Circuit Load AMPS CKT1 es T owe T su p d Approved for Single Branch Circuit Service Only Casing or Cabinet must be Permanently Grounded in Accordance with National Electrical Code or other Applicable Codes Models for EB23B EB20B EB17B and EB15B may be con tions jumper bars P N 3500 378P are required and are nected to a single or dual branch circuit See Table 2 available from the factory Model for EB12B is factory shipped These units are shipped from the factory set up for dual With jumper bars in place power supply connections For single power supply connec 8 Unitary Products Group 0
21. TRANSFORMER c 240 VAC BLU De fe tine E E 1 PHASE FUSE 1 z are BLK RED i Sen W Loano 3A CIRCUIT 2 Sk BLK BREAKER S RED o GND LUG YEL s RED CIRCUT o wu YEL BREAKER gt CIRCUIT 1 D 15 VEL o GND LUG 240 VAC Q vb T A q 60 Hz i A M5 Ee m Got 1 PHASE Ee T I B LO g H3 M8oloM6 oo H1 M499 M2 E DUAL BRANCH V BLK CIRCUIT SERVICE O d 7 4 CIRCUIT 2 a ea oo o S K 240 VAC d g 8 AS soe CIRCUIT 2 r PER 1 PHASE BREAKER CE E uo 240 VAC 60 Hz 1 PHASE ae I a ES D O E OUTPUT CAPACITY BTU MAX MOTOR FLA RED RED ELEMENTS LIMIT SWITCHES NOTE IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED IT MUST BE REPLACED WITH TYPE 105 C THERMOPLASTIC OR ITS EQUIVALENT FACTORY WIRING SHOWN SOLID FIELD WIRING SHOWN BROKEN WIRING MUST CONFORM TO LOCAL CODES APPROVED FOR CU CONDUCTORS ONLY SINGLE BRANCH CIRCUIT SERVICE NOMINAL CIRCUIT LOAD AMPS WIRE SIZE 75 C COPPER WIRE SIZE 60 C COPPER MAX FUSE SIZE OR CB AMPS DUAL BRANCH CIRCUIT SERVICE 4 LEADS 2 GROUNDS CKT 1 CKT 2 BRANCH CKT LOAD AMPS 47 3 46 7 BRANCH CKT MIN AMPACITY 59 2 58 4 WIRE SIZE 75 C COPPER 6 6 WIRE SIZE 60 C COPPER 4 4 MAX FUSE SIZE OR CB AMPS 60 60 t REQUIRES JUMPER BARS P N 3500 378 FIGURE 22
22. ble in front of fur nace for future servicing blower or element removal fur nace removal etc Table 1 DUCT CONNECTOR FOR ELECTRIC FURNACES FINGERED SCREW FLOOR TO DUCT DIMENSIONS STYLE TAB STYLE LUE f oen rem Lx 7998 7995802 TORA erem E TL emer 7980 5081 79905271 7996 807 E TL meer ee earem 7990615 11 erer mem WN Indicates connector above or below could be used depending on tolerance in floor to duct dimension 11 Indicates connector above could be used depending on tolerance in floor to duct dimension YA Indicates connector below could be used depending on tolerance in floor to duct dimension 035 15266 003 Rev A 0804 DUCT CONNECTORS 7990 SERIES These duct connectors are for connecting the furnace to an under the floor supply duct system The furnace may be installed on combustible flooring without a separate sub base DUCT CONNECTORS FOR DUCT CONNECTORS FOR SCREW ATTACHMENT TAB ATTACHMENT E 183 3 3 28 28 i 14 PAQUET EEA LZ P 13 DUCT 11 CUTOUT DIMENSIONS TTT ATS FIGURE 4 DUCT CONNECTOR DIMENSIONS 7990 SERIES REAR WALL CEILING CUT OUT OF ENCLOSURE FOR ROOF JACK FLOOR CUT OUT Y MAL FOR DUCT CONNECTOR A FURNACE OUTLINE DUCT CON
23. ers should never perform any maintenance which requires opening electric box door Thermostat should be located on an inside wall in an open area to more closely regulate average room air preferably where there is air movement back to furnace Care should be Furnace is equipped with a protective shield over used to locate thermostat away from hot air discharge open field wiring connection When field wiring is com ings lights etc Locating height of thermostat is important pleted shield must be replaced to prevent hazard of Thermostat should be located 52 to 66 inches above the electrical shock when using furnace disconnect floor This is sometimes called the comfort zone See Figure 14 If a condenser with its own Transformer shares a Heat Cool Thermostat with this furnace use a thermostat with isolating contacts to prevent interconnection of Class ll 24 Volt Sys tems Cycle furnace to make sure it will operate correctly Maintenance and operating instructions are in the customer envelope accompanying the furnace Give the customer envelope to the home owner CIRCUIT BREAKERS BLOWER e ELECTRIC PANEL FIELD WIRING PROTECTIVE SHIELD FIGURE 14 FIELD WIRING SHIELD Unitary Products Group 9 035 15266 003 Rev A 0804 A CAUTION THERMOSTAT THERMOSTAT
24. esigned for use on ducts down to 12 in width When using the connector on smaller width ducts there will not be sufficient clearance to bend the tabs on two sides of the duct connector In such cases the tabs may be attached to the sides of the duct by using sheet metal screws or other suitable fasteners Holes for sheet metal screws are provided in three 3 tabs on each side of the duct connector If more than 3 tabs need to be used to provide a more secure and air tight connection the remaining tabs can also be fastened to the duct with screws after drilling the required screw holes 035 15266 003 Rev A 0804 PARALLEL DUCT SYSTEM The EB Duct Connector Insert 37323716001 may be used on EB Series Electric Manufactured Housing Furnaces where the duct system runs parallel to the furnace See Figure 9 The EB Duct Connector Insert should not be used if the duct system runs perpendicular to the furnace or if the duct sys tem extends only one direction from the furnace The Duct Connector Insert cannot be used with 1 and 2 Duct Connectors 7990 6011 7990 6021 7990 6211 and 7990 6221 Follow Accessory Kit Installation Instruction 035 20632 001 provided with the Duct Connector Insert gt lt a FURNACE DOOR FURNACE DOOR 8 PARALLEL LAYOUT PERPENDICULAR LAYOUT FIGURE 9 DUCT SYSTEM CONFIGURATION SECURE FURNACE TO FLOOR WITH TWO NAILS OR SCREWS FURNACE SEATED AGAINST THE LOCATOR
25. g air from all rooms and living spaces except the bathroom s to the circulating air supply inlet of the furnace Failure to com ply may cause improper heating and may cause the furnace to cycle on the limit Unitary Products Group 035 15266 003 Rev A 0804 DUCT SYSTEM DESIGN Electric furnace is designed to operate at a given static pres sure In order to assure proper air flow through the furnace the dis tribution system must be designed so that the static pressure external to the furnace does not exceed the static pressure rating shown on the furnace rating plate See Table 3 The number size and placement of registers should be such that even distribution of heat is provided throughout the home DOWNFLOW FURNACE INSTALLATION WITH 7900 SERIES DUCT CONNECTOR We have redesigned our duct connector to eliminate the sub base requirement Table 1 will help you in deciding the part number of the new duct connector you need If you are installing a new duct connector 7900 Series refer to the following instructions Read carefully the instructions provided before starting the installation Provide adequate clearance for servicing 1 Locate furnace conveniently away from wall facing or partitions to permit easy removal of components 2 Aminimum of six 6 inches should be maintained between the furnace and closet door when door is used for return air See Figure 2 3 Two 2 feet of space must be availa
26. he furnace side where return is located to provide for proper air flow See Figure 2 The 6 minimum clearance is not required if there is a return grille installed above the furnace height This return grille cannot start more than three feet above the furnace height Unitary Products Group There must be at least 2 ft of space available in front of furnace for servicing the furnace when necessary A 6 in clearance is required if the space between furnace and enclosure is used for return air _ FIGURE 2 ALCOVE 8 CLOSET CLEARANCES For Upflow installations a closet 32 inches wide by 30 inches deep with a 30 inch wide door is necessary See Figure 3 When installing furnace in a separate closet or room which is accessible only through an outside door a minimum of 200 sq in free opening for return air must be provided The sup ply and return air must be ducted securely attached and be sealed to the furnace casing if there are grilles in the outside door to the closet Openings where ducts pass through walls the floor or the ceiling must be sealed to prevent air leakage into or from closet and the living area 1 5 8 MIN 2 3 8 ju RETURN AIR PASS THROUGH FRAME WIDTH lt lt 30 gt WIDE DOOR CLOSET FIGURE 3 UPFLOW CLOSET CLEARANCE Provisions shall be made to permit the return of circulatin
27. ical Code and local codes for wiring material requirements NOTE The furnaces are equipped with either one or two 60 amp circuit breakers These circuit breakers protect the wiring inside of the furnace in the event of a short circuit Additionally these breakers provide a means of disconnecting the power to the unit The circuit breakers in the furnace are not meant to pro tect the branch circuit wiring between the furnace and the home s breaker panel General wire and breaker sizes are shown in Table 2 If sheathed cable is used refer to National Electrical Code Canadian Electrical Code and local codes for addi tional requirements concerning supply circuit wiring Electrical Data can be found in Table 4 IMPORTANT All installation on field wiring must be rated at 60 C or higher Please refer to the wiring diagrams on the furnace or this book for more information EB17B 2 Leads 1 Grouno A 4 38 36 38 3 8 0 PROS 2 NN NAE E CRTE ORTA REES Minimum Wire Size Ce 36 96 96 95 Minimum Wire Size 60 94 94 36 96 80 80 860 so 80 30 60 30 Ground Wire Size Max Fuse or C B AMPS Requires Jumper Bars P N 3500 3781 NOT APPROVED F6 Dual Supply for U S Only Refer to National Electrical Code Table 310 16 for Non Sheathed Conductors Refer to National Electrical Code Table 250 95 for Non Sheathed Conductor Ground Wire Unitary
28. specified model All parts with three digit suffix numbers are Special Order parts These parts are subject to factory availability and require extra time for delivery 1 Not Standard with furnace contained in accessory kit no 3500 8941 2 Standard on EB12B Unitary Products Group 19 FIELD FIX KIT FOR EB12 A amp B MANUFACTURED PRIOR TO AUGUST 1995 FIELD FIX KT 3500 7121 CONTAINS ITEM DESCRIPTION PART NO 1 Each Limit Bai 359910 2 Each Limit Switch 3500 3121 FIELD FIX KIT FOR EB15 A amp B MANUFACTURED PRIOR TO AUGUST 1995 FIELD FIX KT 3500 7151 CONTAINS ITEM DESCRIPTION PART NO T Each Unit Bai 5500 101 2 Each Limit Switch Subject to change without notice Printed in U S A Copyright by York International Corp 2004 All rights reserved Unitary Products Group P O Box 19014 3500 3151 A 035 15266 003 Rev A 0804 Supersedes 035 15266 002 Rev D 0304 Wichita KS 67204 9014
29. ut out the opening to the supply duct If sealant was not used the installer should tape the mating flanges to pro vide a good air seal NOTE Duct sealant and tape must be classified as meeting HUD Standard 3280 715 U L Standard 181A Tape used to provide a better air seal should be approved by the applicable National or Local Code Unitary Products Group 035 15266 003 Rev A 0804 LOCATOR BRACKET NAILS FLAT HEAD SCREWS OR STAPLES BEND TABS UNDER DUCT OPENING TO SECURE TO THE SUPPLY DUCT SUPPLY DUCT FIGURE 8 DUCT CONNECTOR TAB ATTACHMENT 7990 SERIES INSTALLATION OF TAB ATTACHMENT DUCT CONNECTOR 7990 SERIES 1 Make floor cut out as shown in Figure 5 2 Determine the depth of the floor cavity from the surface of the floor to the top of the supply air duct and select the appropriate duct connector from the chart 3 Place locating bracket supplied with the duct connector to the rear of the floor area for the furnace See Figure 8 4 Determine which of the four positions the duct connector best centers over the supply duct and insert it through the floor cutout 5 Mark cut out location on the supply duct and remove the duct connector 6 Cut out the opening to the supply duct Bend tabs down through and back up under the supply duct 8 Secure the duct connector to the floor with nails flat head screws or staples The duct connector is d
30. w and strap for later use 5 Turn entire unit upside down so the filter box is on the floor 6 Remove two 2 screws that are on the front of the unit at the top Obtain front panel hanger angle from the upflow kit 3500 7211 Secure the hanger angle with two 2 screws removed from the furance casing See Figure 11 HANGER ANGLE FIGURE 11 HANGER ANGLE ATTACHMENT 7 Attach the strap that was removed in Step 4 to the top side or back of the furnace 8 Install the duct flange plate on top of the inverted furnace as shown in Figure 12 9 Ifinstallaing POS Standard or Deluxe Air Systems pro ceed to Step 10 Optional start collar for the Economy POS system shipped with 3500 7211 can be used for blend air flex duct installation Punch the lineset knockout out and position the start collar over it Duct connector edge can be pushed under the casing flange and screws provided can be used to capture the other end of duct connector Secure collar to top of furnace Unitary Products Group 10 11 12 13 Flange plate shipped with 3500 7211 is mounted to the furnace with eight 8 screws provided Two 2 blunt screws are for the holes in the front of the furnace See Figure 12 If upflow adapter box kit 3500 5451 is not used then our optional filter bracket is provided with 3500 7211 kit This filter bracket maybe used to retain filter inside its Original location in the furnace Secure the top of

Installation Instructions click here

Contents

Download Pdf Manuals

Related Search

Related Contents