Bosch HK050-1XXX-RE Installation Instructions Manual Download Page 19 | Manualshive

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6 720 220 328

Revised

05-13

Subject to change without prior notice

19

HK Series

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Summary of Contents for HK050-1XXX-RE

Page 1: ...075 HK100 8 Units with 15 or 20 kW Electrical Heater Elements HK150 HK200 8 Split Units CE TAxxx xAV CE TAxxx xAH TAxxx xAC 10 TA VT TA025 HZ Units 10 Units with 5 7 5 or 10 kW Electrical Heater Elements HK050 HK075 HK100 12 Units with 15 or 20 kW Electrical Heater Elements HK150 HK200 12 Electric Heater Electrical Data 14 Field Installed Electric Heater Kit Availability 14 Typical Wiring Diagrams...

Page 2: ... equipment All electrical service connection to the heater must be done to National and local electrical Standard codes PRE INSTALLATION 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 Ensure that the heater...

Page 3: ...er section and compressor section of the packaged heat pump unit Place the panel mounting screws aside in a safe place as they will need to be reused when putting the panels back on STEP 2 Remove the heater collar cover plate s to install the heater elements See Figure 1 figure 1 showing Collar mounted on blower housing element location and collar plate s STEP 3 Identify retainer pins on the end o...

Page 4: ...econnect wires from the heater element s as was marked in step 4 or follow electrical wiring diagram for corresponding model at the end of this manual STEP 7 Route the loose ends of the yellow blue red purple and the two black wire leads from the long side of the wire harness plug from the heater electrical box to the heat pump electrical box in the compressor compartment Route these wires through...

Page 5: ... cabinet or other components sTeP 9 CONNECTING LOW VOLTAGE WIRES a The four remaining wires on the long end of the wire harness are low voltage wires Yellow Purple Red and Blue Connect these wires to the motor control board according to Table 2 Table 2r Only Heater Box Heat Pump Box Yellow R Blue C1 Red W1 Purple EM b Reference Figure 3 and or the appropriate wiring diagram at the end of this manu...

Page 6: ... power supply The heater electrical power provides service to the unit s Transformer electrical heat element s and blower motor only The Compressor remains on the original and now isolated circuit STEP 13 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 STEP 1...

Page 7: ...handler with insulated terminal connections Mark and disconnect these low voltage wires from terminal connections set aside for reconnection later The C R O Y1 Y2 should be labeled and disconnected in this step h All wires leading into the air handler s electrical box should now be disconnected at this point If any wires remain connected go back through the previous steps to ensure that all wires ...

Page 8: ...uit panel and the air handler may not be sufficient and may need to be replaced Verify the breaker is appropriately sized for the new electrical load also See the data tag label that was included with the heater kit or at the end of the manual for the appropriate wire and breaker size for the amount of electric heat that is being installed If the electrical load surpasses the rating of the breaker...

Page 9: ...ect the low voltage wires from the condensing section to the terminal block in the air handler that was removed in Step 1 g The C R O Y1 Y2 should all be connected in this step c Reconnect the blower motor communication harness that was disconnected in Step 1 d to the new motor control board d Reconnect the thermostat wire terminal block that was removed in Step 1 e to the new motor control board ...

Page 10: ...itch or breaker panel c Remove the access panel from the front of the air handler exposing the blower section Place the panel mounting screws aside in a safe place as they will need to be reused when putting the panels back on d Disconnect the line voltage wires from the blower motor power terminal block from the service side and the ground wire from the ground lug in the air handler electrical bo...

Page 11: ... Remove the wires from heater contactor and terminal block at L1 only If wires are removed during installation ensure that they are marked for proper reconnection When reconnecting the line voltage wires to the contactor apply 22 in lbs of torque sTeP 6 Install the element cover over the heater insert s These are secured with a tab at one end of the cover and two of the supplied sheet metal screws...

Page 12: ...de and are correct Units with 15 or 20 kW Electrical Heater Elements HK150 HK200 a Reconnect the two line voltage wires that were disconnected in Step 1 d to the power fuse block in the heater electrical box Use the following torques when tightening the line voltage wires 0 2 AWG 120 in lbs 8 AWG 40 in lbs 10 14 AWG 35 in lbs b Reconnect the ground wire that was disconnected in Step 1 d to the gro...

Page 13: ...back of the thermostat to the supplemental and emergency heat terminals Reference the user s manual for the thermostat for proper connection STEP 11 Use the ground lug provided in the heater control box to connect the field ground from the power supply STEP 12 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 he...

Page 14: ...1002 HK075 1002 HK100 1002 HK150 1001 HK200 1001 CE071 HK050 1002 HK075 1002 HK100 1002 HK150 1001 HK200 1001 Horizontal Packaged Units TA025 HK050 1004 HK075 1004 HK100 1004 X X CE025 HK050 1004 HK075 1004 HK100 1004 X X TA035 HK050 1004 HK075 1004 HK100 1004 X X CE035 HK050 1004 HK075 1004 HK100 1004 X X TA049 HK050 1004 HK075 1004 HK100 1004 HK150 1002 HK200 1002 CE049 HK050 1004 HK075 1004 HK1...

Page 15: ...8 Revised 05 13 Subject to change without prior notice 15 HK Series Typical Wiring Diagrams ELECTRIC HEAT DIAGRAM HK SERIES HEATER PACKAGE Heater Control Box For Packaged Units Rewiring Fan Motor With Electric Heat ...

Page 16: ...t to change without prior notice Revised 05 13 16 HK Series Typical Wiring Diagrams ELECTRIC HEAT DIAGRAM HK SERIES HEATER PACKAGE Heater Control Box For 1 Or 2 Stage Air Handler Units Rewiring Fan Motor With Electric Heat ...

Page 17: ...6 720 220 328 Revised 05 13 Subject to change without prior notice 17 HK Series Notes ...

Page 18: ...6 720 220 328 Subject to change without prior notice Revised 05 13 18 HK Series Notes ...

Page 19: ...6 720 220 328 Revised 05 13 Subject to change without prior notice 19 HK Series Notes ...

Page 20: ...601 N W 65th Court Ft Lauderdale FL 33309 Phone 866 642 3198 Fax 954 776 5529 www bosch climate us or ...

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