Bosch RF Series Installation, Operation And Maintenance Manual
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Bosch RF Series Installation, Operation And Maintenance Manual

Bosch RF Series Installation, Operation And Maintenance Manual

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Installation, Operation, and Maintenance Manual
RF Series Heat Pumps
RF007 | RF009 | RF012 | RF015 | RL018 | RF024 | RF030 | RF036 | RF042 | RF048 | RF060 | RF070

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Summary of Contents for Bosch RF Series

  • Page 1 Installation, Operation, and Maintenance Manual RF Series Heat Pumps RF007 | RF009 | RF012 | RF015 | RL018 | RF024 | RF030 | RF036 | RF042 | RF048 | RF060 | RF070...

  • Page 2: Table Of Contents

    Acronyms ..............82 Heat Recovery Package (HRP) ........35 Terms...............82 HRP Water Tank Preparation ........36 Water Tank Refill............37 Check-Out Sheet............... 83 Initial Start-Up of a HRP System ........37 Notes ................84 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 3: Document Conventions

    Follow all safety codes. Wear safety glasses and work gloves. Use a quenching cloth for brazing, and place a fire extinguisher close to the work area. RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 4: Refrigerant Safety Warnings

    Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing and gloves when Risk of Fire! handling parts. Flammable Refrigerant Used—To be repaired only by trained service personnel. DO NOT puncture refrigerant tubing. RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 5 If a compressor is removed from this unit, refrigerant circuit oil will remain in the compressor. To avoid leakage of compressor oil, refrigerant lines of the compressor must be sealed after it is removed. RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 6: Model Nomenclature

    As Default for Non-Used Electrical Codes L — Refrigerant Leak Sensor CABINET CONSTRUCTION: G — Painted Steel / 1/2" Standard 1.5 LB Dual-Density Fiberglass APPLICATION: G — Extended Range (Geothermal) Fig. 1 Model Nomenclature RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 7: General Description

    General Description 3 General Description The RF series water-to-air heat pump provides an unmatched On-board safety features will protect the major unit combination of performance, features, and flexibility for both high-performance new construction applications and components from damage. replacement of existing water-to-air heat pumps.

  • Page 8: Operating Limits

    Note: Maximum and minimum operating limits may not be combined. Refer to Engineer Submittal Sheet on the product information page. (See the QR code on the back page of the IOM). Acronyms: LWT: Leaving Water Temperature EWT: Entering Water Temperature Table 2 Operating Limits RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 9: Approved Supplementary Heaters

      — —   — —    —    —             Table 3 Approved Supplementary Heaters RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 10: Inspecting And Storing The Equipment

    Note any visible damage or shortage on all copies of the freight bill. Concealed damage not discovered until after removing the units from packaging must be reported to Bosch by the original purchaser by filing a claim at: https://claims.bosch-homecomfort.us...

  • Page 11: Rf Unit Installation

    DO NOT use RF series units for temporary heating, air conditioning or ventilation during construction, especially when plastering, sanding, or painting. Care should be taken to avoid introduction of dust, paint, or debris into the air coil.

  • Page 12: Minimum Conditioned Room Area

    It is generally not necessary to anchor the unit unless required by local code. All major service access for the RF Series vertical NOTICE models is from the front side of the unit. When installing the unit...

  • Page 13: Horizontal (Hz) Units

    Fig. 4 Straight-Through Orientation Fig. 2 Vibration Absorbing Pad 5.6 Horizontal (HZ) Units 5.6.1 Configuring the Horizontal Supply Air Orientation The supply air location on RF Series Horizontal units can be field converted from end blow to straight through or vice-versa. NOTICE STRAIGHT...

  • Page 14: Mounting Horizontal (Hz) Units

    HZ units. The rods must be securely anchored to the ceiling. Refer to the hanging bracket assembly and installation instructions for details. Fig. 6 Pitched Unit 14 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 15 DANGER 1. Remove and discard factory provided screws from locations The rods must be securely anchored to the ceiling. where hanging brackets will be installed as shown in Fig. 8. | 15 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 16: Condensate Drain

    5.8 Duct System A drain line must be connected to the heat pump and pitched All RF Series models are provided with a supply air outlet collar away from the unit a minimum of 1/8” per foot to allow the and return air duct flange to facilitate duct connections.

  • Page 17: Piping

    Occasionally these valves produce a flow noise that can be reduced by applying some back pressure. To accomplish this, slightly close the leaving isolation valve. | 17 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 18: Electrical-Power Supply Wiring

    Antifreeze may be added before, during, or after the flushing indicated on the unit’s nameplate or on the performance data process. Refer to the Antifreeze section below for more detail. sheet. 18 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 19 All 208/230-V units are factory wired to 240V by default. For job sites with a 208-V power supply, the primary leads on the unit transformer will need to be changed from 240V to 208V. Refer to the unit wiring diagram for details. | 19 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 20: Electrical-Low-Voltage Wiring

    Unless provided with DDC controls, the RF heat pump can be controlled by most commonly available single-stage or two-stage heat pump thermostats, depending on model. The reversing valve on the RF series is energized when the unit is Standard Construction in cooling mode. Position thermostats on an interior wall away Component from supply ducts.
  • Page 21 1000 ft. (300m) 22 AWG (0,33mm 1500 ft. (450m) 20 AWG (0,50mm 2500 ft. (750m.) 18 AWG (0,75mm Table 8 Length by Wire Gauge for Remote Sensor to Programmable Thermostat Wiring | 21 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 22: Ecm Interface Board

    [2] Blower CFM Adjustment [8] Reheat Digital Outputs [3] Motor Settings [9] Thermostat Outputs [4] HGRH Indication [10] 24 VAC [5] Thermostat Contact Inputs [11] Hot Gas Re-Heat Enable Switch [6] CFM Count Indicator 22 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 23: Specific Application Considerations

    [10] P/T Ports (optional) [4] Ball Valves [11] Line Voltage Connection [5] Solenoid Valve Slow Closing [12] Control Panel/Thermostat [6] Condensate Drain Connection [13] Unit Line Voltage Disconnect [7] Drain Valves | 23 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 24: Cooling Tower/Boiler Systems

    [3] P/T Ports (optional) [11] Control Panel/Thermostat [4] Hose Kits [12] Condensate Drain Connection [5] Ball Valves [6] Supply and Return Line of Central System [7] Flex Duct Connection [8] Hanging Bracket Assembly 24 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 25: Geothermal Closed-Loop Systems

    Using Bosch Flow Centers makes the installation easier. (Refer to Fig. 17) Anti-freeze solutions must be used when low loop temperatures Operation of an RF Series unit on a closed loop application are expected to occur. requires the extended range option.

  • Page 26: Water-Quality Considerations

    Fouling due to iron bacteria can also pose problems in some open loop installations. Iron bacteria fouling can quickly degrade system performance and plug heat exchangers. Air in the water system will greatly accelerate the fouling or corrosion process. 26 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 27 < 10 ppm, < 600 µm size** Erosion Maximum Water Velocity 6 ft/sec 6 ft/sec * No "rotten egg" smell present at < 0.5 ppm H ** Equivalent to 30 mesh strainer Table 9 Water Quality Table | 27 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 28: Post-Installation System Checkout

    9.2 Checking Scroll Compressor Rotation Scroll compressors, like the ones used on the RF series, are NOTICE phase sensitive. When out of phase, the compressors will run in reverse. After a few minutes of reverse operation, a scroll Do not use fan rotation as an indication of the unit’s phase...

  • Page 29: Start-Up

    Allow five minutes between tests for the pressure to equalize. 1. Turn thermostat to lowest setting and set thermostat switch to HEAT position. 2. Slowly turn the thermostat to a higher temperature until the compressor activates. | 29 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 30: Safety Devices And The Upm Controller Overview

    When a malfunction light is used for diagnostic purposes, the [10] UPM Settings DIP Switch (SW1) connection is made at the dry contact connection terminals of [11] A2L Sensor the UPM board. [12] 24VAC Power Common 30 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 31 120 seconds, the controller will shut down the compressor and enter into a soft-lockout condition. The default freeze limit trip is 25°F. | 31 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 32: Upm Default Settings And Dip Switch Positions

    UPM board is set starting at the same time after power up or after a power to "PULSE." interruption, in order to avoid creating a large electrical spike. 32 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 33 Both the status LED and the alarm contact will be active. The status LED will be active, | 33 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 34: Upm Sequence Of Operation

    Safety Devices and the UPM Controller Overview 12.3 UPM Sequence of Operation Fig. 22 UPM Sequence of Operation Flowchart 34 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 35: Options

    A number of options are available on RF Series of Heat Pumps. 120 deg. F. The following details the purpose, function, and components of each option.

  • Page 36: Hrp Water Tank Preparation

    Diagram is for illustration purposes only. Ensure access to All piping from HRP to domestic water tank must be copper or Heat Pump is not restricted. any metal of stronger alloy. 36 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 37: Water Tank Refill

    4. Allow the unit to operate for 20 to 30 minutes to ensure it is functioning properly. The pump will shut off when the Heat Recovery entering water temperature reaches 120°F. | 37 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 38 Off delay = 30 seconds = After receiving an OFF command motor will continue running for 30 seconds. CFM based on wet coil and 1" Merv 5 Throwaway. DH is the default tap for Dehumidification. 38 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 39 Off delay = 30 seconds = After receiving an OFF command motor will continue running for 30 seconds. CFM based on wet coil and 1" Merv 5 Throwaway. DH is the default tap for Dehumidification. | 39 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 40: Constant Airflow Motors (Ecm)

    For installations where constant air delivery is critical or where external static pressure drop can vary greatly (such as with high-MERV value filters) the RF series is offered with a constant air flow ECM motor option. This option provides ECM motor efficiency combined with a constant air delivery across a wide range of external static pressures.
  • Page 41 — RF042 — — A Norm (Part) 1120 1120 1120 1120 1120 1120 1120 1120 1120 1120 — — 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 — — | 41 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 42 Air flow is 70% of tabulated values during fan-only operation. When passive dehumidification mode is enabled, air flow is 85% of tabulated value. CFM based on wet coil and 1" Merv 5 Throwaway. 42 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 43 — RF042 — — A Norm (Part) 1120 1120 1120 1120 1120 1120 1120 1120 1120 1120 — — 1310 1310 1310 1310 1310 1310 1310 1310 1310 1310 — — | 43 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 44 Air flow is 70% of tabulated values during fan-only operation. When passive dehumidification mode is enabled, air flow is 85% of tabulated value. CFM based on wet coil and 1" Merv 5 Throwaway. 44 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 45 1020 1020 — — A Norm (Part) 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 — — 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 — — | 45 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 46 During fan only operation air flow is 69% of tabulated value. When passive dehumidification mode is enabled, air flow is 85% of tabulated value. CFM based on wet coil and 1" Merv 5 Throwaway. 46 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 47: Maintenance

    • air temperature problems. Use of the pressure and temperature charts for the unit may be required to properly determine the cause. | 47 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 48: Checks To Electrical Devices

    Intrinsically-safe components must be replaced. for the purpose and to the correct specification. At all times the manufacturer's maintenance and service guidelines must be followed. If in doubt, consult Bosch service and support for 17.8 Check Cabling assistance. Check that cabling will not be subject to wear, corrosion,...

  • Page 49: Removal And Evacuation

    Be sure to label the system when charging is complete (if not  already). Use extreme care not to overfill the refrigerating system.  Ensure the system is pressure-tested with the appropriate  purging gas prior to recharging the system. | 49 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 50: Service Access

    Remove the three screws positioned above the motor.  Drop down and slide off the welded pins situated on the  opposite side from the motor. (See Fig. 26.) 50 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 51: Decommissioning Information

    Before carrying out this procedure, it is essential that the  technician is completely familiar with the equipment and all its Ensure that there are labels on the equipment stating the  detail. equipment contains flammable refrigerant. | 51 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 52: Troubleshooting

    Is the Fault LED flow Inspect the air coil for dirt/debris. blinking two (2) times? Check duct work—Are dampers closed or blocked? Low pressure Check refrigerant pressure with a gauge set. fault—Low refrigerant 52 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 53 Check that the condensate sensor is mounted on Condensate fault— the drain pan, and the terminal is not touching False trigger sheet metal. | 53 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 54 If not check the resistance of the compressor Burned out windings using the values shown in the compressor compressor characteristics chart. Note that the compressor must be cool (70° F) when checking the windings. 54 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 55 Test (ON) while verifying that G to C has 24 volts. If the motor does not start, replace the ECM motor. If the motor starts, replace the ECM Interface Board. | 55 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 56 Low refrigerant capacity High humidity Check unit performance against building load Unit oversized calculations. Short cycling Poor thermostat Make sure that the thermostat is not located near a location supply air duct. 56 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 57 Clean/descale water coil. water coil elevating heat pressure Low air flow Check filter. elevating head Increase fan speed. pressure Fast-closing valves Change valves to slow-close type. Water hammer installed Table 17 Unit Troubleshooting | 57 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 58: Specification Tables

    17–22 — — — — 90° 118–147 305–371 7–9 17–22 — — — — 120–151 351–428 9–12 17–21 — — — — 100° 121–150 347–420 6–9 17–21 — — — — 58 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 59 20–24 158–191 342–413 14–16 39–44 90° 112–144 298–371 8–10 20–24 — — — — 113–147 346–434 11–16 20–23 — — — — 100° 114–147 339–421 8–9 19–23 — — — — | 59 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 60 19–23 164–174 371–391 19–20 40–44 90° 115–132 330–348 8–11 20–24 — — — — 118–135 397–415 16–19 19–23 — — — — 100° 117–134 376–394 8–11 19–23 — — — — 60 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 61 20–24 144–154 326–346 17–18 37–41 90° 119–135 332–356 8–11 21–25 167–177 347–367 9–10 41–45 122–138 405–429 16–19 20–24 — — — — 100° 121–137 376–400 8–11 20–24 — — — — | 61 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 62 19–23 156–176 390–410 14–15 41–45 90° 113–129 342–362 8–11 20–24 169–189 404–424 10–11 43–47 115–131 399–419 12–15 19–23 — — — — 100° 115–131 388–408 8–11 19–23 — — — — 62 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 63 106–134 329–401 8–11 21–25 165–199 386–473 9–11 46–54 108–138 388–472 13–18 20–24 — — — — 100° 108–137 372–451 8–11 20–24 — — — — Table 18 Operating Temperatures and Pressures | 63 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 64: Water-Side Pressure Drop Table

    12.0 16.0 11.3 RF060 15.0 20.0 10.1 10.4 13.5 RF070 18.0 24.0 14.0 14.4 Note: All values are based upon pure water at 70° F. Table 19 Water-Side Pressure Drop Table 64 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 65: Compressor Characteristics

    1.060 60µF/440V RF036 208–230/1/60 0.719 1.431 40µF/370V RF042 208–230/1/60 0.568 1.636 45µF/370V RF048 208-230/1/60 0.518 1.603 45µF/370V RF060 208–230/1/60 0.356 0.727 70µF/370V RF070 208–230/1/60 0.336 0.921 80µF/370Vv Table 20 Compressor Characteristics | 65 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 66: Corner Weights (Horizontal Cabinets Only)

    73.6 87.2 108.4 73.6 51.4 RF070 HZ 145.4 49.2 39.6 23.3 33.4 39.6 49.2 33.4 23.3 *The front is the control box end of the unit. Table 21 Corner Weights (HZ) 66 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 67: Model 24 Thermistor (Freeze Sensor) Test Values

    Table 22 Model 24 Thermistor (Freeze Sensor) Test Values 22.76K 19.90K 17.44K 15.31K 13.48K 11.88K 10.50K 9298 8250 7331 6532 5826 5209 4663 4182 3757 3381 3047 2750 2486 2251 2041 1854 1686 | 67 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 68: Wiring Diagrams

    21.1 Single-Stage, Single-Phase, Standard Unit with Constant Torque (CT) Motor Fig. 28 Single-Stage, Single-Phase, Standard Unit with CT Motor FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. 68 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 69: Single-Stage, Single-Phase, Standard Unit With Constant Airflow (Ca) Motor

    21.2 Single-Stage, Single-Phase, Standard Unit with Constant Airflow (CA) Motor Fig. 29 Single-Stage, Single-Phase, Standard Unit with CA Motor FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. | 69 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 70: Two-Stage, Single-Phase, Standard Unit With Ca Motor

    21.3 Two-Stage, Single-Phase, Standard Unit with CA Motor Fig. 30 Two-Stage, Single-Phase, Standard Unit with CA Motor FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. 70 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 71: Dimensional Drawings

    Return) Table 23 Vertical (VT) Unit Dimensions • Specifications subject to change without notice. • All dimensions within ±0.125". • Overall unit dimensions do not include filter rack or duct flanges. | 71 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 72 Dimensional Drawings Fig. 31 Vertical (VT) Unit Drawings 72 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 73: Vertical (Vt) Cabinet Options Dimensions

    • Filter rack dimensions does not include 1" duct flange. • 2" filter racks can accept either a 1" or 2" filter. • HRP Connections are 1/2" FNPT. Fig. 32 Vertical Cabinet Options Drawing | 73 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 74: Horizontal (Hz) Unit Dimensions

    • All dimensions within ±0.125". • Overall unit dimensions do not include filter rack or duct flanges. • Unit sizes 015–070 can be field converted between end blow and straight-through supply air configurations. 74 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 75 Dimensional Drawings Fig. 32 Horizontal (HZ) Units Dimensional Drawings | 75 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 76: Horizontal (Hz) Cabinet Options Dimensions

    • All dimensions within ±0.125". • Filter rack dimensions does not include 1" duct flange. • 2" filter racks can accept either a 1" or 2" filter. • HRP Connections are 1/2" FNPT. 76 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 77 Dimensional Drawings Fig. 33 Horizontal (HZ) Cabinet Options Drawing | 77 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 78: Counter Flow Unit Dimensions

    Return) Table 27 Counter Flow Unit Dimensions • Specifications subject to change without notice. • All dimensions within ±0.125". • Overall unit dimensions do not include filter rack or duct flanges. 78 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 79 Dimensional Drawings Fig. 34 Counter Flow Unit Dimensions Drawings | 79 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 80: Counter Flow Options Dimensions

    • Filter rack dimensions does not include 1" duct flange. • 2" filter racks can accept either a 1" or 2" filter. • HRP Connections are 1/2" FNPT. Fig. 35 Counter Flow Options Dimensions Drawing 80 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 81: Service Clearance

    Dimensional Drawings 22.7 Service Clearance Vertical and CounterFlow Cabinet Service Clearance Horizontal Cabinet Service Clearance Fig. 36 Vertical and Horizontal Cabinet Service Clearance | 81 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 82: Terminology

    Decommissioning — Means the final shut-down and removal from operation or usage of a product or piece of equipment containing fluorinated greenhouse gases. 82 | RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 83: Check-Out Sheet

    Source Fluid Type: Fluid Flow (gpm)*: Fluid-Side Pressure Drop*: Suction Pressure (psig)*: Discharge Pressure (psig)*: Suction Temperature*: Discharge Temperature*: Suction Superheat*: Entering TXV/Cap Tube Temperature*: Liquid Subcooling*: * Required for Troubleshooting ONLY | 83 RF Series Heat Pumps — 8733980022 (2024/12)

  • Page 84: Notes

    Notes 25 Notes 84 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 85 Notes Notes | 85 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 86 Notes Notes 86 | RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 87 Notes Notes | 87 RF Series Heat Pumps — 8733980022 (2024/12)
  • Page 88 Additional Product Information Page To see additional product information and documentation, please visit the product page: www.bosch-homecomfort.com/us/ or scan the QR code below. Bosch Thermotechnology Corp. 65 Grove Street Watertown, MA 02472 Tel: +1 (800) 283-3787 Fax: +1 (603) 965-7568...

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