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Bosch IDP Plus Series Installation And Operating Instructions Manual
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Bosch IDP Plus Series Installation And Operating Instructions Manual

Bosch IDP Plus Series Installation And Operating Instructions Manual

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Installation and Operating Instructions
Bosch IDP Heat Pump
Plus Series Packaged Unit
16 SEER2 | 3&5 Ton Capacity | R454B

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Summary of Contents for Bosch IDP Plus Series

  • Page 1 Installation and Operating Instructions Bosch IDP Heat Pump Plus Series Packaged Unit 16 SEER2 | 3&5 Ton Capacity | R454B...
  • Page 2 Installation and Operating Instructions Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 3: Table Of Contents

    13.2 Sensors (Thermistors/Pressure Transducer) 13.3 Defrost Description 13.4 Compressor Crankcase Heater Description 13.5 Reversing Valve Operation 13.6 Air Pressure Switch Description 13.7 R454B Refrigerant Sensor Description 13.8 Protection Functions Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 4: Key To Symbols And Safety Instructions

    Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser’s purposes, the matter should be referred to your installing dealer or local distributor. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 5 Can cause injury or death.Disconnect all remote electric power supplies before equipment damage.System contains oil and refrigerant under high pressure. servicing. Recover refrigerant to relieve pressure before opening system. Flammable refrigerant used. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 6 Be aware that refrigerants may not contain an odour. NOTICE Indoor unit required! The indoor units must be matched with R-454B TXV. The model of R-454B TXV can be changed according to the system capacity. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 7 If an indirect refrigerating circuit is being used, the secondary circuit shall be checked for the presence of refrigerant. • Equipment marking must remain visible and legible. Markings and signs that are illegible shall be corrected. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 8 Cylinders shall be complete with pressure-relief valve and associated shut-off valves in good working order. Empty recovery cylinders are evacuated and, if possible, cooled before recovery occurs. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 9 Do not use the air conditioner until a service person confirms that the refrigerant leak is repaired. Keep ventilation openings clear of obstruction. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 10: Component Location

    Return air temp. sensor Comp. return temp. sensor Indoor coil temp. sensor Electronic expansion valve Condenser temp. sensor Reversing valve Ambient temp. sensor COMP Compressor Table 2 Component Descriptions 10 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 11: Ton Model

    Return air temp. sensor Comp. return temp. sensor Indoor coil temp. sensor Electronic expansion valve Condenser temp. sensor Reversing valve Ambient temp. sensor COMP Compressor Table 3 Component Descriptions Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 11...

  • Page 12: Dimensions

    Table 4 3 Ton Unit Dimensions Heat Pump Model Net Weight Gross Weight 3 Ton Model 316 lbs (143 kg) 322 lbs (146 kg) Table 5 3 Ton Unit Weights 12 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 13: Dimensions - Back And Bottom

    Installation and Operating Instructions 3.1.2 Dimensions - Back and Bottom Bottom View 50-1/4″ 1-3/4″ Back View 1-5/8″ 14-1/2″ 4-3/8″ 14-1/2″ Side return air opeing Side supply air opening Figure 4 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 13...

  • Page 14: Top View

    Installation and Operating Instructions 3.1.3 Dimensions - Left and Top RETURN SUPPLY TOP VIEW 5-15/16" 7-7/8" 10-3/16" 7-7/8" LEFT SIDE VIEW Figure 5 14 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 15: Ton Model

    Table 6 5 Ton Unit Dimensions Heat Pump Model Net Weight Gross Weight 5 Ton Model 419 lbs (190 kg) 428 lbs (194 kg) Table 7 5 Ton Unit Weights Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 15...

  • Page 16: Dimensions - Back And Bottom

    Installation and Operating Instructions 3.2.2 Dimensions - Back and Bottom BOTTOM VIEW 56-3/4″ 1-3/4″ BACK VIEW 2-1/4″ 14-1/2″ 6-5/16″ 14-1/2″ Side supply Side return air opening air opening Figure 7 16 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 17: Dimensions - Left And Top

    Installation and Operating Instructions 3.3.3 Dimensions - Left and Top RETURN SUPPLY TOP VIEW 8-1/16" 7-7/8" 10-3/16" 7-7/8" LEFT SIDE VIEW Figure 8 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 17...

  • Page 18: Installation

    Spreader bars, whose length exceeds the largest dimension across the unit, MUST be used across the top of the unit. 18 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 19 Every three months, wash the outdoor coil and any exposed cabinet surfaces. A minimum clearance of 24" should be maintained adjacent to all access/service panels. Refer to local code requirements for additional clearance requirements. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 19...

  • Page 20: Refrigerant Charge And Room Area Limitations

    Amin. Amin is shown in Tables 10-12. The room area in which the unit is installed shall be not less than 20% Amin. Amin is shown in Tables 10-12. 20 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 21 0.04 37.1 15-8 13-11 0.03 39.0 15-8 14-5 0.02 40.8 15-8 15-0 0.01 42.7 15-8 15-14 0.00 Table 8 Note: Take the Mc=15lb 8oz as an example. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 21...

  • Page 22: The Allowed Maximum Refrigerant Charge And Required Minimum Room

    36.2 13-7 16.7 37.1 13-11 17.6 38.0 14-2 18.5 6-13 39.0 14-5 19.5 39.9 14-12 20.4 40.8 15-0 21.3 7-11 41.8 15-7 22.2 42.7 15-14 Table 9 22 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 23 48.9 50.3 51.2 52.6 55.7 49.4 50.8 51.8 53.2 54.2 55.7 58.7 52.1 53.6 54.7 56.2 57.2 58.7 61.8 54.9 56.5 57.5 59.1 60.2 61.8 Table 12 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 23...
  • Page 24 If the actual room area, air outlet height, and refrigerant charge amount are not reflected in the above table, more severe cases need to be considered according to the data in the tables 8-13. 24 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 25: Airflow Performance

    450 cubic feet of air per minute (CFM).The rated airflow of systems with electric exceeds 0.6 inches W.C. please dial code to Tap (5). heater kits requires between 350 and 450 cubic feet of air per minute (CFM). Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 25...

  • Page 26: Ehk Pressure Drop Table

    5 kW 0.15 0.15 0.15 0.15 7.5 kW 0.15 0.15 0.15 0.15 10 kW 0.15 0.15 0.15 0.15 0.15 0.15 15 kW 20 kW 0.25 Table 16 26 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 27: Indoor Fan Motor Function

    (with a humidistat). If DH wire is not connected, the unit will still function normally, but will not be able to run in dehumidification mode. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 27...

  • Page 28: Ductwork

    For appliances connected via an air duct system to one or more rooms, only auxiliary devices approved by the appliance manufacturer or declared suitable with the refrigerant shall be installed in connecting ductwork. 28 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 29: Condensate Drain Connection

    Teflon tape and install by hand tightening. When making drain fitting connections to drain pan, do not overtighten. Over tightening fittings can split pipe connections on the drain pan. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 29...

  • Page 30: Electrical Wiring

    The unit must be electrically grounded in accordance with local codes and the National Electric Code (NEC). Figure 18 • Grounding may be accomplished by attaching ground wire(s) to ground lug(s) provided in the unit wiring compartment. 30 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 31 Y2 wiring is optional for 4 speed fan control. For 2 stage fan control Y2 wiring is required. B wire must be used with heat pump system only, the reversing valve energizes in heating. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 31...
  • Page 32 Any power supply and circuits must be wired and protected in accordance with federal, state and local electrical codes. The power supply to unit and to Electric Heat Kit must be separated (dual point). 32 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 33: Start Up

    Wait one (1) hour before starting the unit if compressor crankcase heater is used and the outdoor ambient temperature is below 70 °F. 60 MIN. Figure 22 Set system thermostat to ON. Figure 23 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 33...

  • Page 34: System Charge Adjustment

    55°F outdoor ambient temperatures. For outdoor ambient temperatures below 55°F, use weigh-in charge method. Outdoor Outdoor 20 MIN. Temperature Temperature Above 55ºF Below 55ºF 120ºF Figure 26 55ºF 55ºF Outdoor Temp1 Outdoor Temp2 Figure 24 34 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 35 Outdoor model number Measured Outdoor Ambient °F Measured Indoor Ambient °F Check Condenser Outlet Temp.(T3L) °F Check Condenser Temp.(T3) °F Calculate subcooling value =T3 -T3L °F Table 26 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 35...

  • Page 36: System Operation And Troubleshooting

    "enhanced comfort" by increasing unit capacity. • Decelerated cooling/heating function changes the initial target coil temperature to provide "softened comfort" by decreasing the rate of compressor speed change. 36 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 37: Defrost Description

    Exit Defrost - Defrosting extended for 120 seconds SW5-2 Normal* Reserved SW5-3 Must be set at "OFF" Position Reserved SW5-4 Must be set at "OFF" Position Table 28 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 37...

  • Page 38: Air Pressure Switch Description

    The allowed maximum refrigerant charge (Mmax) and the required minimum room area (Amin) can be determined according to Table 9 and Tables 10-12. 38 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 39: Protection Functions

    Module (inverter) protection (TF) i. If TF > 203 °F, the compressor and outdoor fan will stop. ii. If TF < 158 °F, the compressor and outdoor fan will restart. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 39...

  • Page 40: Fault Code Table

    High compressor discharge temperature protection (T5) Condensor coil temperature protection in cooling (T3) Evaporator freezing protection Low discharge superheat protection Table 29 * Fault requires hard restart 40 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 41: System Protection Status Codes

    * If the first digit shown on the control board LED is one of the following protection codes (followed by two numerical digits which show the current compressor frequency in Hz), the unit will continue to run but in a limited condition. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 41...

  • Page 42: Parameter Point Check Table

    Indoor unit Heat Kit Staging T1: indoor unit return air temp. (°F) °F T2: indoor unit coil temp.(°F) °F Indoor unit software version Reserved Reserved Remark“--” Table 31 42 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 43: Control Board Overviews

    SW1 FORCE BUTTON SW2 CHECK BUTTON Digital tube Debug Fan motor port Compressor: W port Compressor: V port Compressor: U port Power input Power input Figure 31 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 43...

  • Page 44: Outdoor Unit Control Board For 5 Ton Model

    SW1 FORCE BUTTON SW2 CHECK BUTTON Digital tube Debug Fan motor port Compressor: W port Compressor: V port Compressor: U port Power input Power input Figure 32 44 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 45: Indoor Unit Control Board

    T2 sensor port T1 sensor port Blower motor port Alarm output Transformer port Communication port (To ODU board) Electric Heat Kit signal port 10. Reserved Figure 33 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 45...

  • Page 46: Error Code Troubleshooting

    Replace the indoor unit control board Figure 35 Is the resistance of T4 Replace T4 sensor in the range of Table 32? Restart system Figure 34 46 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 47 Has Fault cleared? Replace the A2L refrigerant sensor and power the unit back up again. Replace ODU Control Board and restart unit. Figure 37 Figure 39 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 47...
  • Page 48 OFF. For all other models, replace R454B refrigerant Replace the A2L refrigerant sensor sensor and restart system. and power the unit back up. Figure 42 Normal operation. Figure 41 48 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 49 Is sensor T4 wired correct wiring configurations. incorrectly? Is the resistance of Replace the T4 sensor. sensor T4 not in range of table 32? Replace the control board. Figure 43 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 49...
  • Page 50 Did the sensor T4 Did the sensor T3L Replace the failed sensor. Replace the failed sensor. fail? fail? Replace the control board. Replace the control board. Figure 45 Figure 46 50 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 51 Did the sensor T5 Did the sensor Th Replace the failed sensor. Replace the failed sensor. fail? fail? Replace the control board. Replace the control board. Figure 47 Figure 48 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 51...
  • Page 52 Replace the compressor less than 1 ohm? Is the resistance from any connector to ground higher than 1M ohm? Replace the outdoor unit control board Figure 50 52 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 53 Is EEVA coil wiring seated to the wiring diagram. normally? Replace EEVA coil and Normal operation. restart. Is the fault cleared? Replace the outdoor unit control board. Figure 52 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 53...
  • Page 54 Pressure Transducer Fault (PT) Is the wire Correct the connection connection secure? (CN16) Is the Replace the pressure pressure transducer transducer. damaged? Replace control board Figure 56 54 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 55 Apply thermal paste correctly of ODU control board and reinstall control board. evenly coated with Restart the system. thermal paste? Replace the control board and restart the system. Figure 60 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 55...
  • Page 56 Is there poor heat Replace the fan motor. exchange on the high pressure side? Is the system Adjust the refrigerant charge overcharged? to the correct amount. Figure 61 Figure 62 56 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 57 >1M ohm? Restart system after replacing the Replace the compressor and ODU control restart the system. board, has the fault cleared? Figure 64 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 57...
  • Page 58 ODU control restart the system. board, has the fault cleared? Figure 65 Is the system Adjust the refrigerant charge undercharged? to the correct amount. Figure 66 58 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 59 Restart the system. Is there poor heat Replace the fan motor. exchange on the high pressure side? Figure 68 Figure 67 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 59...

  • Page 60: Led Flashing Troubleshooting

    Has the TXV or EEVA. EEVA failed? Adjust the refrigerant Is the system charge according to the overcharged with suggested sub cool and refrigerant? superheat. Restart system Figure 69 60 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 61 Replace broken sensor solved? temperature according to the resistance temperature table? Replace indoor control board. Replace the indoor unit control board Figure 72 Figure 71 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 61...
  • Page 62 Has Fault cleared? Replace the A2L refrigerant sensor and power the unit back up. Replace ODU Control Board and restart unit. Figure 74 Figure 75 62 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 63: Normal Operation

    SW7-2 set to ON? Plus, set SW7-2 to ON. For 3T IDP Plus, set SW7-2 to OFF. For all other models, replace R454B refrigerant sensor and restart system. Figure 77 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 63...

  • Page 64: Temperature And Resistance Relationship Tables (For Sensors T2,T3,T3L,T4,Th)

    5.68 43.33 4.51 48.89 3.61 54.44 2.90 60.00 2.35 65.67 1.91 71.11 1.57 76.67 1.28 82.22 1.00 87.78 0.91 93.33 0.76 98.89 0.65 104.44 0.56 Table 32 64 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 65: Temperature And Resistance Relationship Tables (For T5)

    31.81 43.33 25.51 48.89 20.53 54.44 16.71 60.00 13.64 65.67 11.21 71.11 9.31 76.67 7.75 82.22 6.50 87.78 5.47 93.33 4.65 98.89 3.95 104.44 3.38 Table 33 Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 65...

  • Page 66: Wiring Diagram

    BETWEEN IDU AND ODU SW7-3 Reserved UNUSED R454B REFRIGERANT SENSOR SW7-4 8 FLASH/CYCLE OVER SERVICE LIFE Reserved (SW7-2) DOES NOT MATCH R454B 9 FLASH/CYCLE Remark"--" REFRIGERANT SENSOR Figure 79 66 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)

  • Page 67: Maintenance

    Do not operate the system without a filter in place. dispose of this unit. Law requires that the collection, transportation and disposal of refrigerants must conform with the regulations governing the collection and destruction of hydrofluorocarbons. Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 67...
  • Page 68 Installation and Operating Instructions NOTES: 68 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 69 Installation and Operating Instructions NOTES: Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 69...
  • Page 70 Installation and Operating Instructions NOTES: 70 | Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024)
  • Page 71 Installation and Operating Instructions NOTES: Bosch IDP Plus Series Packaged Unit - BTC 762003315 A (12.2024) | 71...
  • Page 72 United States and Canada Bosch Thermotechnology Corp. 65 Grove St. Watertown, MA 02472 Tel: 800-283-3787 www.bosch-homecomfort.us BTC 762003315 A /12.2024 Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances.

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