Bosch 15 SEER2 Series Installation Instructions Manual

Bosch 15 SEER2 Series Installation Instructions Manual

Inverter ducted packaged heat pump

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Installation Instructions
Inverter Ducted Packaged Heat Pump
Bosch IDP Plus
15 SEER2 Series | 3 & 5 Ton Capacity | R410A
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Summary of Contents for Bosch 15 SEER2 Series

  • Page 1 Installation Instructions Inverter Ducted Packaged Heat Pump Bosch IDP Plus 15 SEER2 Series | 3 & 5 Ton Capacity | R410A...
  • Page 2 Installation Instructions Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 3: Table Of Contents

    11 Start Up 11.1 System Start Up 12 System Charge Adjustment 12.1 Charging: Weigh-In Method 12.2 Subcooling Charging and Refrigerant Adjustment In Cooling (Above 55°F Outdoor Temp.) Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 4: Key To Symbols And Safety Instructions

     Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/ tagout procedures to ensure the power cannot be inadvertently energized. Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 5 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 6: Component Location

    Indoor coil temp. sensor Electronic expansion valve Condenser temp. sensor Reversing valve Ambient temp. sensor COMP Compressor Comp. discharge temp. sensor Fusible Plug Table 1 Component Descriptions Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 7: Ton Model

    Indoor coil temp. sensor Electronic expansion valve Condenser temp. sensor Reversing valve Ambient temp. sensor COMP Compressor Comp. discharge temp. sensor Fusible Plug Table 2 Component Descriptions Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 8: Dimensions

    3 Ton Unit Dimensions Heat Pump Model Net Weight Gross Weight 3 Ton Model 320 lbs (145kg) 326 lbs (148kg) Table 4 3 Ton Unit Unit Weights Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 9: Dimensions - Back And Bottom

    Installation 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 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 10: Dimensions - Left And Top

    Installation Instructions 3.1.3 Dimensions - Left and Top RETURN SUPPLY TOP VIEW 6-1/8" 6-5/8" 12-11/16" 6-5/8" LEFT SIDE VIEW Figure 5 1 0 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 11: Ton Model

    5 Ton Unit Dimensions Heat Pump Model Net Weight Gross Weight 5 Ton Model 434 lbs (197kg) 443 lbs (201kg) Table 6 5 Ton Unit Unit Weights | 11 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 12: Dimensions - Back And Bottom

    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 1 2 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 13: Dimensions - Left And Top

    Installation Instructions 3.3.3 Dimensions - Left and Top RETURN SUPPLY TOP VIEW 8-1/16" 6-5/8" 12-11/16" 6-5/8" LEFT SIDE VIEW Figure 8 | 13 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 14: Installation

    Spreader bars, whose length exceeds the largest dimension across the unit, MUST be used across the top of the unit. 1 4 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 15  Every three months, wash the outdoor coil and any exposed cabinet surfaces. | 15 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 16: Airfl Ow Performance

      F or instructions on how to select fan speeds, refer to Section 6 workmanship. of this manual. 1 6 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 17: Indoor Fan Motor Function

    Wiring Diagram section for wiring instructions. If Y1 and Y2 are jumped, the unit will only run in high stage fan speed. | 17 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 18: Ductwork

    DO NOT insert the screws through the casing. Outdoor ductwork must be insulated and waterproofed. 1 8 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 19: Condensate Drain Connection

    Tefl on paste, silicone or Tefl on tape and install by hand tightening. When making drain fitting connections to drain pan, do not overtighten. Over-tightening fi ttings can split pipe connections on the drain pan. | 19 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 20: Electrical Wiring

    National Electric Code (NEC).  Grounding may be accomplished by attaching ground wire(s) to ground lug(s) provided in the unit wiring compartment. 2 0 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 21 Y2 wiring is optional for 4 speed fan control. For 2 stage fan B wire must be used with heat pump system only, the control Y2 wiring is required. reversing valve energizes in heating. | 21 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 22 WARNING: ELECTRICAL SHOCK / FIRE HAZARD  Any power supply and circuits must be wired and protected in accordance with federal, state and local electrical codes. 2 2 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 23: 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 21 Set system thermostat to ON. Figure 22 | 23 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 24: System Charge Adjustment

    fi ve (5) minutes for system to stabilize, otherwise 120ºF repeat step 3. 55ºF 55ºF 20 MIN. Outdoor Temp1 Outdoor Temp2 Figure 23 Figure 26 2 4 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 25 Calculate subcooling value =T3  - T3L °F  Open tank. Table 17  Stop adding refrigerant when subcooling matches the charging chart (Table 15) Final Subcooling value. | 25 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 26: System Operation And Troubleshooting

     Accelerated cooling/heating function changes the initial target coil temperature to provide "enhanced comfort" by increasing unit capacity. 2 6 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 27: Defrost Description

    Defrosting Choice SW5-1 SW5-2 Remarks Operating time is Defrosting extended reduced by 10% for 60 seconds Normal Normal Default Remarks Enter defrost Quit defrost Table 19 | 27 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 28: Protection Functions

    If TF > 165°F, the compressor and outdoor fan will stop. ii. If TF < 140°F, the compressor and outdoor fan will restart. 2 8 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 29: Fault Code Table

    Description Always ON Normal Dehumidifi cation mode active Reserved Anti-cold air function active Temperature sensor fault (T1) Temperature sensor fault (T2) Communication error Table 21 | 29 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 30: Parameter Point Check Table

    T2 (Indoor coil temp) (°F ) 50°F Indoor blower motor speed 4 speed Ts (Estimated thermostat set point) (°F ) 70°F Remark“--” Table 22 3 0 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 31: Control Board Overview

    21. ECM Motor Port 22. Compressor: W port 23. Compressor: V port 24. Compressor: U port 25. Power input 26. Power input 27. Reserve Figure 31 | 31 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 32: Outdoor Unit Control Board For 5 Ton Model

    21. ECM Motor Port 22. Compressor: W port 23. Compressor: V port 24. Compressor: U port 25. Power input 26. Power input 27. Reserve Figure 32 3 2 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 33 Thermostat wire port (to ODU board) Transformer port Blower motor port T1, T2 sensor port Communication port (To ODU board) Reserve 10. 3 Amp Replaceable Fuse Figure 33 | 33 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 34: Error Code Troubleshooting (Odu)

    10 mins Check whether the Replace the board compressor current is more than 18A when protection Replace the compressor Figure 36 3 4 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 35 Operate normally normal for throttle when whether there`s the same fault again,if the same, replace heating (wire seated .coil) the EEV. Figure 40 Figure 38 | 35 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 36 No 9 (cooling) or No 10 (heating) check point value (by pressing check button) Check whether there is the Keep running same fault Figure 42 3 6 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 37 Check whether there are other Remove all the other heat sources around T3/T5 heat sources Check whether there is the Keep running same fault Figure 46 | 37 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 38 The system will Replace the control board recover when the electric supply stabilizes. Figure 49 3 8 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 39 Pull out the pressure Replace pressure transducer connection, transducer check if there is any display Replace ODU board Figure 54 | 39 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 40: Error Code Troubleshooting (Idu)

    0 nor ∞ Restart the system Restart the unit to check if Finish Figure 56 the problem is resolved Replace indoor control board Figure 55 4 0 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 41: Temperature And Resistance Relationship Tables (For Sensors)

    1.574 0.82 23.9 10.527 2.83 73.9 1.416 0.75 26.7 9.265 2.67 76.7 1.276 0.68 29.4 8.172 2.52 Table 36 for T2, T3, T4, Th, T3L | 41 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 42: Temperature And Resistance Relationship Tables (For Tf)

    51.7 18.47 3.48 132.2 1.651 0.85 54.4 16.708 3.37 135.0 1.544 0.80 57.2 15.085 3.26 137.8 1.446 0.76 Table 37 for T5 & Tf 4 2 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 43: Wiring Diagram

    fl ashing Flashing then 3s OFF. Compressor error will show on digital display tube. fl ashing Flashing quickly 400ms/cycle. Compressor chip communication error. Table 38 | 43 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 44: Maintenance

    Do not use benzene, paint thinner, polishing powder or other solvents to clean the unit.  Do not operate the system without a filter in place 4 4 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 45 Installation Instructions | 45 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 46 Installation Instructions 4 6 | Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 47 Installation Instructions | 47 Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
  • Page 48 United States and Canada Bosch Thermotechnology Corp. 65 Grove St. Watertown, MA 02472 Tel: 866-642-3198 Fax: 954-776-5529 www.bosch-thermotechnology.us BTC 761701319 A | 12.2022 Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances.

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