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1. LAdLNO NOLLIQNOO W V IV NI SI LINQ SHL N3HM 100 NIV JHL NO G3SN3S 38 9VAvC WNINYSL WOO MIV OL 3 193NNOO Q3Q33N SI OVA Z jl LOVLNOO ON N3dO ATIVNHON SI LAdLNO 6 IWANWW NOLLVTIVLSNI 33S OSTV NMOHS ANOLOVJ WO 8 Wd 304 SONILL3S L nv430 8 lV3H OIMIO313 ALIOVdaVO SNOL 9 Q3uIS3Q SI LHOM JOYIS LVLS L NIANNA 31 357109 OL 135 38 LSNW HOLIMS did LAdLNO Waviv L MOLON WIA 3SVHd ZENS 9315 Z 39vis S IVNINH3L BOSNIS 2323393 MO 14723444 JHL N33M138 Q3TIVISNI 38 TIVHS YadWAP v 5 LON SI HOSNIS 323335 Jl LNO 38 LSNN DCH BIJNNP q3uino3N SI NOlLV3H3dO AGL di L1nv430 AG 40 LV ALVUIJO TIM M3SN3QNOO NO NOSN3S 3Z3334 9 TWNYON 303 ON OL 135 S3A OL 135 N3HM 235 OL OL SAVTSG S3ONGIY HOLIMS did 1531 S SSVdA8 IANSSINd MOT QNOO3S OZI xV3N8 NO ONO9IS OOF lHVlIS WOQNV3 QNOO3S 00 OLZ LINA SAGNIONI I WdN r ONO SIVNIWH3L Q3SnNn TIV dV9 80 OL LOANNOD TVNIN33L OPZ WONJ QV31 940 3AOW3H NZA NOlLVM3dO ABOZ NOI NOUVUIJO Q3NIM ANOLOVJ INV SLINN AOEZ 80 Z LN3W31n3S JYAIND NI SYNALONGNOD AINO SYOLONGNOD _ M3ddOO OL V d 3 N O 3 N FONVGNOOOV NI 38 5 01315 Dao ONU VH TWOIMLOSTS ALVIJ 3AVN LINN 335 L SNOLLO3NNOO SOLON SION JOVLIOA HOI YANYOASNVYL SO ESI 153 9d ON 53 1531 3SINd 1NOO NAVV A 13532. NOLLIGNOD 3733814 YOLVYOdVAA me LNONMOJA LINV4 MO 3120 ALVSNAGNOD NOILIGNOD 3Z33H YASNAGNOD AUNSSAAd MOT AUNSSA d HOI co NOLLJO l13VlSlJOS SAGO NNT Ia SNLVLS Wan E ONIMIM 2 5 20 ZW SNIOIAN3S 38D338 440 SAIJINS HLO INSNI MOS RE aN Gu MSIE T LINN 3171 05 3ADd OML SNIVLNOD LINN NOILNW9 gt v SM Series Electric Heat Figure 37 Subject to change without prior notice 8 733 904 449 2013 12 Wiring diagram 15 wd G m TT Vv p dr SSJNaVH Md a ALD IS CONDO 8 1208E 8 CLADH 6Te08EEL8 8 733 904 449 2013 12 SSINAYH 3OVAN3INI 0908 MI its im j 91220688 8 e aL SCH SYOLOANNOD 3T N XXd nl MOLIANNOD 371VW34 SYOLOVLNOD AOSS3aYdWOD 55 QD m HT 3IN3531 ER m gt lt YOLISNNOI SSINAYH Figure 38 avia WIJ L08008EE28 J17 E N GN BK WH YL HIGH VOLT 00000000 00000000 SSANAVH 1041 09 SOLOW WIJ ONU D v80 1v9 D CL DHS 90 Ww9 LOW VOLT JAUJ XU8 3 SM Series Electric Heat G de m A TT o m 1 dl in MI SS3NSVH NULIOVdVO MEN NEN Eu 12 126108 8 I ssanaivH aana 02220666 8 gt
3. 6 f Remove the heater collar cover plate s Figure 8 Figure 8 In preparation for heater element installation orient the heating elements with thermal overloads cutouts are on the right side for VT amp CF and top for HZ Figure 9 Proper Thermal Overloads cutouts orientation is required for safe unit operation Only 5kW available for 2T units Thermal Overloads Figure 9 Insert heating element s into collar Heating element rods must be inserted into inner most holes as shown in Figurez 10 This will support and prevent vibration of heater elements SMO60 and SM070 models will have an additional extension bracket mounted on each cover plate Heating element rods must be aligned to extension brackets accordingly 8 733 904 449 2013 12 6 installation wiring SM Series Electric Heat es iM HS nn mam wm nn wm Figure 10 If only one heating element is being installed install in into the position closest to the blower wheel Remaining opening to be covered using 1 of the cover plates removed in step 5 8 Secure each insert s with four of the supplied sheet metal screws Figure 11 13 L2 L4 e e e 10kW option shown Figure 11 UU i Figure 13 15kW 20kW HK150 200 Control Box INSTALLATION WIRING TO CONTROL BLOWER There are two Electric Heater control box layou
4. the Electric Heater elements as shown in Figure 17 Terminate Black wires labeled HLS at the thermal limits cutouts and Red wires labeled HT at the heater element connections Figure 16 amp 17 Each wire is labeled for ease of identification Reference wiring diagram on Pg12 SM Series Electric Heat installation wiring 7 Figure 17 Install the cover for the control box with the provided screws Remove and retain cork tape covering the hole in the divider panel On the wiring harness supplied with this kit identify J39 plug Figure 18 Figure 18 Route J39 plug through the hole in the divider panel and mate the plug to the receiving connector P39 on the side of the electric heat control box Re apply cork tape to the divider panel hole 8 733 904 449 2013 12 8 installation wiring SM Series Electric Heat 9 Route the other end of the harness 3 connector end along the already installed blower harness and terminate it at the unit electrical box E Box Use tie wraps every 12 18 inches for a neater finish Figure 19 21 Figure 20 P12 Control Signal Plug three position 8 733 904 449 2013 12 Subject to change without prior notice d i d Figure 21 Transformer Power 10 Inthe heat pump electrical box disconnect the J19 P19 high voltage wires that connect the blo
5. Sas VY TVNOLLdO SALONS lt S1N3NOdMWOO GALVNINYAL 01915 S310N30 TWNINYAL LOANNOOHALNI H3MOd cal Z ANY LAVISY HALVAH C Lan 0c os os os vo YaLWSH HOLIMS dNAL HOIH STH SLN3NOdWOO GYVANVLS O BE I SE BE I I Im T Im m T gt We d gt 2 gt 4 Q af af af m m m Q Q m A A A A C E A A A A O O gt O C 5 c c c J i d N 67 A ZOVLTOA Il SSv19 T T a Ee s 5 an A om oo 00 ANNOYS gt d gt LINN umo vd ig d 9 MOVIE D S caL LM 3LIHM aadl AO d 42018 TYNINHAL HAMOd Figure 35 SM Series Electric Heat Subject to change without prior notice H3MO 18 ANY HINHOISNV L TOH LNOO OL YAMOd ATIAO d Z1 ANY L 1 31ON OL GALOANNOO 9fYld SS3NHVH AIM ADVMOVd YALVSH SNIOIAMHJS 2380338 AAO AAV AANS Sdl lddfiS YAMOd SNIVLNOO LINN NOILLOVO G gt 8 5 pp WIRING DIAGRAM 8 733 904 449 2013 12 Wiring diagram 13 G TT Vv U ELOZ 6I E ZOOLLLWS A8 NMV3Q ON OMG 108 106 CFL 8 ON LNVd LN3S3Md SI NOlLdO LYVLS LJOS N3HM YOLOVLNOD OL LON SI YOLIOVdVD Nf OL 3193735 SI 35109 Ji 0357109 38
6. d Led du F EZ 42 a2 ET 35007 3SIASGHID IVAN 3D AWG XAV DL uL 21 au A5 am H omes qaq n o x Rog 7 AUD NES O O 5314055399 agy A3u5 ILL NA Og al LE JLIHM ECE i qu au HM A9 AD Nd Mous BK OR YL BR WH BL GN Slecd6eeZ8 USS Sed J23 ERN Q 20 H H WOO 1nO QNOO 3239935 1323335 III TE HB WI AVldSId A345 3l1IHM d dufd SINAVH AV TdSIC A3u5 NOWWOD IVA F N ts iz Ro NMOYg S d3ads a lt 5 o MOTI3A si Gau P Prana SR a ama v aat 2 em Cem gt Aidund aaads 70 s SCH pe x ang a Ho Soo LI NOILIALOYd LINN A3u5 Ges L ZB e L s Ka DD man P E Fin 2 ER _ A3u5 o a L JOWANSLNI 1V3H 29101 MOTI3A NMO118 16 Wiring diagram Figure 39 SM Series Electric Heat Subject to change without prior notice 8 733 904 449 2013 12 SM Series Electric Heat electric heat electrical data 17 ELECTRIC HEAT ELECTRICAL DATA HK150 1201 RES 14 4 83 8 73 6 80 0 apimi HK200 1201 RES 19 2 108 8 l 110 100 SM Series Electric Heat 8 733 904 449 2013 12 18 Notes SM Series Electric Heat NOTES 8 733 904 449 2013 12 Subject to change without p
7. 5 100 201 ASL BOI LNO 3233335 1323303 LEL TINGON NOLLOALOYd LINN 6 SALON 33S W3 2 MOOD 9 0 9 ole ONIMIM 91315 Il 55719 SSN zia N e 3LIHM TOULNOI YALVSH OlMLO3T3 OL GALOSNNOO SSSNYVH IHM 39V39Vd MN31V3H K Woo SdVL 03395 S 1 NOWWOO 2 1 7 YAWNYOASNVYL c1 N SNOLLO3NNOO IWNINYSL WO3 MOT38 SNOLLO3NNOO IVNIN33L SOLON 33S SNOLLO3NNOO HOLON SOVLIOA JINON LYVLS 1405 WsS QVOTM3AO QNV HOLIMS 440 NO IMS LINN 3401 VM3dW3L SVD MOT 191 M3LVM LOH MH YOLOW dWNd AYSAO03Y LV3H NAHH 39Vx0Vd AM3JAOO3M 1V3H HOLIMS 34nsS3Md Sda 31000N LYITV LYOJNOD navo 913 ANN HOF Avay xnv 1 393171 SIN3NOdWOO TVNOILJO O AVT3M JOVLS QNOO3S CION310S 39VLS QNOO3S STA AVT1dSIQ OLLSONSVIq LINN aan SdWNd LVIH IATVA 3SM3A34 HOLIMS 3YNSS3Yd MOT 591 HOLIMS 3YNSS3Yd H9IH SdH MOSN3S 323344 54 NIVYG NI YOSN3S 31VSN3QNOO SO MOLOVINOO MOSS3MdWOO 20 MOLIOVdVO MOSS3MdWOO M34V3M8 AFL YEO MOLOW M3MO318 rir EI M JIM 971313 AHOLIV JI NOLLIQNOO 3233 VOLVUOdVAA Im LNONMOdE LI MOTHS3AO 31VSN3QNOO NOLLdO LYVLSLIOS 8O3 SNI3IA NOLLIQNOO 323335 YASNAGNOD AUNSSIAUd MOT aNno
8. SM Series Electric Heat Kit HK050 HK100 HK150 HK200 BOSCH Installation Manual 8 733 904 449 2013 12 SM Series Electric Heat Contents INTRODUCTION nerede 3 PRE INSTALLATION rei ees 3 Se GE 4 installation hardware 5 installation wiring 6 Thermostat wire connections 10 Site line voltage connection 11 Wiring diagram replacement 11 CANE UD EE 11 Wiring Cla SCAM ronte 12 Electric heat electrical data 17 8 733 904 449 2013 12 Subject to change without prior notice SM Series Electric Heat SM Series Electric Heat INTRODUCTION INTRODUCTION Installation and servicing of this equipment can be hazardous due to system pressure and electrical components Only trained and qualified personnel should install repair or service the equipment Before performing service or maintenance operations on the system turn off main power to the unit Electrical shock could cause personal injury or death When working on equipment always observe precautions described in the literature tags and labels attached to the unit Follow all safety codes Wear safety glasses and work gloves Use a quenching cloth for brazing and place a fi
9. YVLS WOQNY3 QNOO3S 00 0Z2 LING SAGNTONI I WdN SIVNINSH3L GASANN TIY BOE OL LI LO3NNOO NV IWNINYSL OPZ WOHJ OVT SAOWSY D NOLLVYSdO ABOZ AOCZ MO ANOLOVA 33V SLINN 802 AlddNS 33MOd 5510 BINHOISNVL VN3W3103S AYAIND NI SYNALONGNOD 5 H3ddOO 04f V d J4N O 3 N HUN 39NVQ3OOOV NI 38 LSNW ONIMIM 071315 TV ONLLVM WOU VOF ALVId 3AVN LINN n WOO YAWNYOASNVYL SNOLLO3NNOO INNIWH3L YOLOW 33S QVOTH3AO HOLIMS 440 NO IMS 34n1vas3dW3L SVD MOI 197 LOH TH MOLON dWNd AM3AOO3M LVIH NduH 39vMOVd AM3AOO3M 1V3H dMH HOLIMS 3MnsS3Md 1 Saal 9d Jandon 131v 14043WOO Wavo ON SHA 1531 213 dWNd dO 304 Ane E c Aviay xav ON IN3NOdN VNOILd JINGOW NOLLO3LOSd LINN NOLLVM3dO ASL MO4 Lm 2323343 13233334 6 suon age LA LE ALloVdVO TINA OL NdWOO 513 5 dIONJTOS 39V1S QNOO3S SZA SANNd LV3H JAYA 9NISM3A3M AY HOLIMS 34nSS3Md MOT S QION31OS 3A1VA SV9 LOH HOLIMS 33nSS3Md H9IH SdH MOSN3S 323344 53 NVd NI JOSN3S 31VSN30NOO SO MOLOVINOO MOSS3MdWOO 99 M3XV3s8 LINOMIO AFL M82 MOLIOVdVO MOSS3MdWOO MOLON M3MO18 7CON3931 SIN3NOdWOO QNvaNvIS HW LGL 3MIM 91313 AYOLOVS ONIMIM 91313 Il SSV 9 ISN
10. e phase units A heater collar is installed in the SM models no need to order separately A heat pump thermostat with supplemental electric heat feature is required to operate the system when this kit is installed Figure 1 HEATER COMPATIBILITY x Heater Package Compatibiity PRE INSTALLATION Unpacking and inspection 1 UNPACK the HK heater kit and inspect for contents and condition If any part or the kit appears damaged i e broken heater elements damage relays or missing do not attempt to install the kit Contact your local distributor for further help 2 Ensurethat the heater kit package includes the following components Contact your local distributor for further help Components List e Pre wired heater electrical box including fuses on HK150 and HK200 Heater elements e Heater element s protective metal cover e Wire harness pre wired at one end e New wiring diagram 8 733 904 449 2013 12 SM Series Electric Heat 4 electric heat kit e Adhesive back electrical data label e Clear hardware accessory bag containing e Heater element mounting screws 4 for each element bank e Heater element cover mounting screws 2 for each cover e Four electrical box mounting screws e Push in wire ties e This installation manual For technical assistance contact your local distributor or Bosch Technical Support 954 776 5471 or Bosch Fhp TechSupport us bosch com Required Tools e Phil
11. eled P12 on the electric heat harness Mate this plug to its counterpart plug already available on the left hand side of the e box labeled J12 Figure 28 amp 29 Figure 29 8 733 904 449 2013 12 10 thermostat wire connections SM Series Electric Heat 17 Ensure heater element wires are routed 19 Mount Heater Element cover to blower collar through the plastic bushings available in the using 4 screws Figure 32 kit and perform a continuity test to ensure all connections are secure Use bottom holes on the plate to inset the plastic grommets and prevent the wires from laying on sharp edges Figure 32 20 Use push in wire ties to secure cables to cover and blower bracket Figure 33 Figure 30 18 Remove 2 screws as shown Figure 31 Figure 33 THERMOSTAT WIRE CONNECTIONS 1 Assure that two low voltage wires are available Figure 31 from the thermostat to make the W1 and EM connections If these wires are not located they will need to be pulled and routed from the back of the thermostat to main thermostat connections on the electrical box or to the motor control board 8 733 904 449 2013 12 Subject to change without prior notice SM Series Electric Heat SM Series Electric Heat 2 Strip the insulation off of the W1 and EM wires and insert into the thermostat control wire block or on the motor control board thermostat interface Con
12. lips screwdriver e Small flat head screwdriver e 5 16 socket and a ratchet or drill e Wire cutter e Wire stripper e Torque Phillips head screwdriver e Multi meter ELECTRIC HEAT KIT The Electric Heat field installed kit contains two main electrical enclosures Electric Heat Control Box and Electric Heat Elements both are located in the blower compartment Figure 2 through 6 The control box attaches to the corner post and the heat elements to the blower heater collar in the blower compartment default Figure 2 CF default LH Horizontal End Discharge default E LA ON EE ERI LH Horizontal Lu ee Se End Discharge default Turn da Ze Figure 5 8 733 904 449 2013 12 Subject to change without prior notice SM Series Electric Heat SM Series Electric Heat installation hardware 5 LH Horizontal End Discharge default Fi 1 Heating element cover gure 6 2 Electric Heat control box INSTALLATION HARDWARE 1 At Thermostat Turn system to OFF 2 Turn the main power to the heat pump to OFF at the unit s disconnect switch or breaker panel 3 Priorto removing the blower panel disconnect unit display from the back of the panel Figure 7 d L Figure 7 4 Remove the access panel s from the unit exposing the blower section and compressor section of the packaged heat pump unit SMSeries Electric Heat 9
13. nect the other end of the wires to the back of the thermostat to the supplemental and emergency heat terminals Reference the Thermostat User s Manual for proper connection Figure 34 SITE LINE VOLTAGE CONNECTION Routing New Line Voltage Wires From Circuit Breaker Panel To Heater Electrical Box 1 Select the proper wire size based upon the heater electrical load that the blower motor and electric heater element s will require Refer to the data tag label that is included in the heater kit or the electrical data at the end of this manual Ensure that all national and local electrical codes are followed for installation wire sizing and breaker sizing Select the proper breaker size based upon the heater electrical load that the heat pump will require Refer to the data tag label that is included in the heater kit or the electrical data at the end of this manual Route the new line voltage wiring and the ground wire from the circuit breaker panel to the heat pump Use the knockout provided in the heat pump corner post as the entry for the electrical service wiring A plastic bushing should be used to protect the wire insulation from the metal edge of the knockout SM Series Electric Heat site line voltage connection 11 Connect one of the line voltage wires to 1 1 terminal connection and the other line voltage wire to L2 terminal connection Torque to 22 in Ibs Use the ground lug provided in the heate
14. r control box to connect the field ground from the power supply WIRING DIAGRAM REPLACEMENT 1 Remove the wiring diagram that is adhered to the back side of the front panel Replace with the wiring diagram that was included with the heater kit Using spray adhesive glue is recommended Place the adhesive back heater data label next to the knockout in the post where the new electrical service for the fan motor and heater elements is entering the cabinet UNIT START UP 1 Turn the disconnect switch or breaker switch to the ON position for the compressor and for the new separate circuit servicing the blower motor and the heating elements Run the unit in heating mode with the heating elements engaged for at least 10 minutes to ensure the unit does not shut down due to any temperature limiting device 8 733 904 449 2013 12 eae SIN3W313 1V3H 21312313 E MAOL HO QNV MIS ONISN S LINN NO 1109 LHH NO JAIM ALVNINYAL LSNW TVN IS LV3H AON3O H3W3 SV 3 ZM ONISN SLVLSOWYSHL NZ S3SV3OVd YALVSH MOE HO4 V09 ANY MEL HO VOE OVAOSZ LV GALVY SASNJ SA 55 19 ANIL ANO ASN 9514 d3ddinoa SLINN ALIOVdV9 SNOL 9 N HL 5 MM OZ SL SHALVAH AINO WvNOVIO ONIMIM 1V3H 21512373 OH LNAW3 INAS SYNALONGNOD AINO SYO LONANOD 33dd09 ASN 7 OZ VN OAN 3ONVQHOOOY NI 38 LSNW ONIMIM 97315 NZ o ONILVY TVOIM10313 HO 31V1d LINN
15. re extinguisher close to the work area Bosch HK Series Heater Package is a field Installable electric resistance heater kit designed for the SM series heat pumps The HK series heater package requires separate electrical service connection independent from the heat pump s power supply Hence installation of this Heater Package will convert SM Series Heat Pump into a two point power connection The HK series Heater Package is available in several kW capacities Unit tonnage vs Heater Package capacity compatibility table is below Figure 1 The HK series Heater Package can be installed on Vertical VT Horizontal HZ and Counter flow CF units Eight and ninth character of the SM heat pump signifies the configuration Example SMO24 1VTC Improper installation of the electric resistance heater can result in severe injury or death due to electrical shock or fire Only trained and qualified personnel should install repair or service this equipment All electrical service connection to the heater must be done to National and local electrical Standard amp codes DO NOT wire the heater elements into the AN same circuit as the compressor SM Series Electric Heat The SM series HK Series Heater package is designed for installation in the heat pump model published in this document Do not install this heater kit in a heat pump not specified in this manual HK Series Heater Package can only be installed on singl
16. rior notice SM Series Electric Heat SM Series Electric Heat Notes 19 SM Series Electric Heat 8 733 904 449 2013 12 601 N W 65th Court Ft Lauderdale FL 33309 Phone 954 776 5471 Fax 954 776 5529 www boschtaxcredit com www bosch climate us 2013 12 c UL us Intertek
17. s9 I m 3ufSS3Nd H IH WV LIN 111 S3qOO SALWLS Wan ONIOIAsS3S 3804338 JAY HLODE 3eflsNI SAP IddNS 3 AADd SNIVINDO LINN NDILOVO Figure 36 8 733 904 449 2013 12 SM Series Electric Heat TIVN 3 LOZ OE E 200 GOOLLLWS IN3S3Md SI NOILdO LYVLS LJOS N3HM YOLOVLNOD OL G33IA LON SI 3OLIOVdVO Nf OL AG NAV ON OMG 3103735 SI 808 008 CEL 8 ON DN 35709 31 035109 38 LNALNO NOLLIGNOD WAVIV NI SI JHL N3HM 1 NO G3SN3S 38 TIM OVAvZ I Wan WNINYAL WOON OL M LO3NNOO Q3Q33N SI OYA vZ 31 LOVINOO ON N3dO ATIVWYON SI LAdLNO WHVAV 6 m NON NOLVTIVISNI 33S OSV NMOHS ANOLOV4 WOMJ ONVOE Wan O4 SONILLSS L10VJ30 8 lV3H 1 ALloOVdVO SNOL 9 NYHL c SI LHOM 39 AM3S LVLS L ONDINE A 35109 OL LIS 38 5 HOLIMS did LndlnO MOLOW NO3 WO3 ISVHd 4315 Z 29 15 I STVNINYSL NOSN3S 2323334 1474444 JHL GSTIVLSNI 38 TIVHS 33dW f V G3TIVLSNI LON SI NOSN3S 3Z33 44 Il LNO 38 LSNW OEH BIJNNP G3aino34 SI NOLLVM3dO AGL Al 11 33 40 LV 3LVY3dO M3SN3QNOO NO MOSN3S 323394 9 NOLLV33dO VWHON 304 ON OL 13S 38 LSNW SSA OL 135 N3HM 93S OL OL SAVTSG SJONAAY HOLIMS did 1531 S SSVdA8 JYNSSAYd MOT GNOOSS 01 MVIUE NO Av DO QNOO3S 008 G E Ld m TT i o m L
18. ts SIGNALS MOTOR POWER depending on HK model Figures 12 amp 13 HR1 controls Heating Elements 1 and 3 and HR2 controls heating elements 2 and 4 D Refer to wiring diagram on Pg12 Electric Heater control box is completely pre wired from the factory ATTACH TO ue gt ELECTRICAL HEAT BOX x TRANSFORMER POWER Figure 14 Electric Heat Harness 8 733 904 449 2013 12 Subject to change without prior notice SM Series Electric Heat SM Series Electric Heat 1 Red wire Route the high voltage Red and Black wires originating from the Electric Heater control box through grommets in the Electric Heater Element cover as show in Figure 15 Route all Red wired together through the same D grommet and black wires through the second grommet 2 Black wire 2 Holes for Control Box are pre punched in the corner post For Vertical VT and Horizontal HZ units install the heater control box between the unit corner posts at the bottom of the of the blower section Counter flow CF units install the heater control box between the unit corner posts at the bottom of the of the blower section Figure 2 through 6 Orient the heater control box with contactor s towards the bottom Ensure no wires are pinched between the metal parts Connect red and black high voltage wires originating from Electric Heater control box to
19. wer motor to the line voltage these wires are located on the left hand side of the e box shown the picture below Figure 22 Figure 22 11 Mate J19 plug originating from the electric heat control box red and black wires with P19 plug originating from blower harness at E Box Figure 23 When mating plugs push both connectors together until they snap with a click Figure 23 SM Series Electric Heat SM Series Electric Heat installation wiring 9 12 Disconnect the red and black line voltage harness 8733901778 from the transformer primary side and the contactor line side and remove the harness from the E box 15 entirely Figure 24 amp 25 Figure 25 Primary disconnected 13 Route the two line voltage wires that derived from the P19 plug these wires should be routed under the contactor along the bottom of the electrical box Figure 26 N When routing wiring avoid sharp edges as these can chafe wiring insulation exposing the conductor This can result in equipment damage and personal injury Figure 26 SMSeries Electric Heat 14 16 Connect red and black wires from electric heat harness to transformer primary winding per wire labels There will be one harness black and white wires left connected to the compressor contactor Remove and discard this loose harness from the contactor Figure 27 Figure 27 There should now be one plug left lab
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