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

Bosch CF Series Installation, Operation And Maintenance Manual

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Installation, Operation, and Maintenance Manual
CF Series Heat Pumps
CF007 | CF009 | CF012 | CF015 | CL018 | CF024 | CF030 | CF036 | CF042 | CF048 | CF060 | CF070

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Summary of Contents for Bosch CF Series

  • Page 1 Installation, Operation, and Maintenance Manual CF Series Heat Pumps CF007 | CF009 | CF012 | CF015 | CL018 | CF024 | CF030 | CF036 | CF042 | CF048 | CF060 | CF070...

  • Page 2: Table Of Contents

    Two-Stage, Single-Phase Unit with Optional Components and Internal Two-Way Water Valve........36 CT Motor..............80 Economizer .............. 36 Two-Stage, Single-Phase Unit with Optional Components and Hot Gas Reheat ............37 CA Motor ..............81 Boilerless Control ............37 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 3 Horizontal (HZ) Cabinet Options Dimensions ....96 Counter Flow Unit Dimensions........98 Counter Flow Options Dimensions......100 Service Clearance ............ 102 Terminology ..............103 Acronyms ............... 103 Terms ..............103 Check-Out Sheet .............104 Notes ................105 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 4: 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. CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 5: 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. CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 6 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. CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 7: Model Nomenclature

    E — Pump/Valve Relay G — Boilerless Control J — Disconnect Switch K — Fire Alarm Relay/Dual Power L — Refrigerant Leak Sensor M — Wire Transformer to 208 Volts Fig. 1 Model Nomenclature CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 8: General Description

    General Description CF series units are offered with a wide range of factory-installed 3 General Description options including: internal 2-way valves; DuoGuard™ air coils; 2“4-sided filter racks; MERV 13 filters (with constant airflow The CF series water-to-air heat pump provides an unmatched ECM motors);...

  • Page 9: 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 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 10: Approved Supplementary Heaters

    — —   — —    —    —             Table 3 Approved Supplementary Heaters 10 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 11: 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 12: Unit Installation

    DO NOT use CF 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 13: Minimum Conditioned Room Area

    NOTICE It is generally not necessary to anchor the unit unless required by local code. All major service access for the CF Series vertical Equipment should never be used during construction due to models is from the front side of the unit. When installing the unit...

  • Page 14: 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 CF Series Horizontal units can be field converted from end blow to straight through or vice-versa. NOTICE STRAIGHT...

  • Page 15: 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 | 15 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 16 DANGER The rods must be securely anchored to the ceiling. 1. Remove and discard factory provided screws from locations where hanging brackets will be installed as shown in Fig. 8. 16 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 17: Condensate Drain

    5.8 Duct System away from the unit a minimum of 1/8” per foot to allow the All CF Series models are provided with a supply air outlet collar condensate to flow away from the unit. and return air duct flange to facilitate duct connections.

  • Page 18: 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. 18 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 19: 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. | 19 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 20 The compressor power supply must be connected to the line (L) side of the compressor contactor. The 20 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 21: Electrical-Low-Voltage Wiring

    The reversing valve on the CF series is energized when the unit is in cooling mode. Position thermostats on an interior wall away from supply ducts.

  • Page 22: Standard Construction

    Because remote temperature sensors measure resistance, very long cable runs can cause slight errors in the measurement. For the highest temperature reading accuracy, avoid exceeding the maximum recommended wire lengths show in Table 8. 22 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 23: 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 | 23 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 24: 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 24 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 25: 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 | 25 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 26: 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 CF Series unit on a closed loop application are expected to occur. requires the extended range option.

  • Page 27: 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. | 27 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 28 < 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 28 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 29: Post-Installation System Checkout

    9.2 Checking Scroll Compressor Rotation Scroll compressors, like the ones used on the CF 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 30: 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. 30 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 31: 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 | 31 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 32 120 seconds, the controller will shut down the compressor and enter into a soft-lockout condition. The default freeze limit trip is 25°F. 32 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 33: 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. | 33 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 34 Both the status LED and the alarm contact will be active. The status LED will be active, 34 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 35: Upm Sequence Of Operation

    Safety Devices and the UPM Controller Overview 12.3 UPM Sequence of Operation Fig. 22 UPM Sequence of Operation Flowchart | 35 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 36: Options

    13 Options CF series heat pumps can be provided an optional waterside A number of options are available on CF Series of Heat Pumps. economizer. The waterside economizer option allows a cooling The following details the purpose, function, and components of demand to be satisfied by circulating cold water through a water- each option.

  • Page 37: Hot Gas Reheat

    If, during a call for heating, the supply water temperature  CF series heat pumps can be provided with an optional hot gas climbs above the set point specified in the option card or reheat. The hot gas reheat option cools and dehumidifies the...

  • Page 38: Option Card (Included With Economizer, Hot Gas Reheat And/Or Boilerless Control Options)

    [9] Economizer Output “E_OUT” [10] Hot Gas Reheat Output “H_OUT” [11] Boilerless Control “W_OUT” [12] Reversing Valve Output “O_OUT” [13] Option Card Standoff [14] LED Output Status [15] FAN Output “G_OUT” 38 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 39: Refrigerant Leak Detection System

    The HRP consists of three major components: CF Series model has a number of heater sizes. Refer to Engineer • Double-wall, vented refrigerant-to-water heat exchanger Submittal Sheet on the product information page for heater •...
  • Page 40 Heat exchanger ruptures that occur due to freezing will void the heat recovery package warranty along with the heat pump warranty. 40 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 41: Hrp Water Tank Preparation

    3. Depress the hot water tank pressure relief valve handle to installation. ensure there is no air remaining in the tank. | 41 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 42: Initial Start-Up Of A Hrp System

    DC motor (ECM) motor is required, but the features of a constant airflow motor are not required, the CF series is offered with a constant torque ECM motor option. 42 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 43 — — — — — — — — — CF030 — — — — 1069 1037 1012 — — — — 1214 1189 1161 1133 1106 1063 — — — — | 43 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 44 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. 44 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 45 — — — — — — — — — CF030 — — — — 1053 1029 — — — — 1208 1182 1152 1125 1097 1064 1031 — — — — | 45 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 46 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. 46 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 47 1511 1477 1439 1389 1346 1288 1230 2159 2133 2098 2068 2039 2011 1981 1946 1914 1882 1845 1804 2244 2217 2189 2161 2131 2098 2071 2043 2010 1975 1934 1898 | 47 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 48: Motor Setting 0.10 0.20 0.30 0.40 0.50

    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. 48 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 49: 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 CF 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 50: Cf036 Pl

    — CF042 — — A Norm (Part) 1120 1120 1120 1120 1120 1120 1120 1120 1120 1120 — — 1288 1288 1288 1288 1288 1288 1288 1288 1288 1288 — — 50 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 51: Cf048 Pl

    Air flow is 69% of tabulated values during fan-only operation. When passive dehumidification mode is enabled, air flow i s 85% of tabulated value. CFM based on wet coil and 1" Merv 5 Throwaway. | 51 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 52 — CF042 — — A Norm (Part) 1120 1120 1120 1120 1120 1120 1120 1120 1120 1120 — — 1310 1310 1310 1310 1310 1310 1310 1310 1310 1310 — — 52 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 53 Air flow is 69% 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. | 53 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 54 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 — — 54 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 55 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. | 55 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 56: Maintenance

    • air temperature problems. Use of the pressure and temperature charts for the unit may be required to properly determine the cause. 56 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 57: 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, excessive pressure, vibration, sharp edges, or any other adverse environmental effects.

  • Page 58: 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. 58 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 59: 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. 27.) | 59 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 60: 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. 60 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 61: 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 | 61 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 62 Check that the condensate sensor is mounted on Condensate fault— the drain pan, and the terminal is not touching False trigger sheet metal. 62 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 63 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. | 63 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 64 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. 64 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 65 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. | 65 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 66 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 18 Unit Troubleshooting 66 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 67: Option Card Troubleshooting

    Is the W_OUT LED No Boilerless Control the Option Card is heat, then check the Heating on the Option Card operation set above the electric heat water operation. temperature. Table 19 Option Card Troubleshooting | 67 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 68: 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 — — — — 68 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 69 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 — — — — | 69 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 70 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 — — — — 70 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 71 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 — — — — | 71 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 72 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 — — — — 72 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 73 106–134 329–401 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 20 Operating Temperatures and Pressures | 73 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 74: Water-Side Pressure Drop Table

    12.0 16.0 11.3 CF060 15.0 20.0 10.1 10.4 13.5 CF070 18.0 24.0 14.0 14.4 Note: All values are based upon pure water at 70° F. Table 21 Water-Side Pressure Drop Table 74 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 75: Compressor Characteristics

    4.91 — 208–230/1/60 0.336 0.921 — — — 80µF/370V 208–230/3/60 — — 0.542 — CF070 460/3/60 — — 2.161 — 575/3/60 — — 4.91 3.75 4.91 — Table 22 Compressor Characteristics | 75 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 76: Corner Weights (Horizontal Cabinets Only)

    73.6 87.2 108.4 73.6 51.4 CF070 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 23 Corner Weights (HZ) 76 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 77: Model 24 Thermistor (Freeze Sensor) Test Values

    Table 24 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 | 77 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 78: Wiring Diagrams

    21.1 Two-Stage, Single-Phase, Standard Unit with Constant Torque (CT) Motor Fig. 29 Two-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. 78 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 79: Two-Stage, Single-Phase, Standard Unit With Constant Airflow (Ca) Motor

    21.2 Two-Stage, Single-Phase, Standard Unit with Constant Airflow (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. | 79 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 80: Two-Stage, Single-Phase Unit With Optional Components And Ct Motor

    Fig. 31 Two-Stage, Single-Phase Unit with Optional Components and CT Motor FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. 80 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 81: Two-Stage, Single-Phase Unit With Optional Components And Ca Motor

    Fig. 32 Two-Stage, Single-Phase Unit with Optional Components and CA Motor FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. | 81 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 82 Fig. 33 Two-Stage, Single-Phase Unit with CT Motor and Electric Heat FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. 82 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 83: Two-Stage, Single-Phase Unit With Ca Motor And Electric Heat

    Fig. 34 Two-Stage, Single-Phase Unit with CA Motor and Electric Heat FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. | 83 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 84: Two-Stage, Single-Phase Unit With Optional Components, Ct Motor, And Electric Heat

    Fig. 35 Two-Stage, Single-Phase Unit with Optional Components, CT Motor, and Electric Heat FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. 84 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 85: Two-Stage, Single-Phase Unit With Optional Components, Ca Motor, And Electric Heat

    Fig. 36 Two-Stage, Single-Phase Unit with Optional Components, CA Motor, and Electric Heat FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. | 85 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 86: Two-Stage, Three-Phase, Standard Unit With Ct Motor

    21.9 Two-Stage, Three-Phase, Standard Unit with CT Motor Fig. 37 Two-Stage, Three-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. 86 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 87: Two-Stage, Three-Phase, Standard Unit With Ca Motor

    21.10 Two-Stage, Three-Phase, Standard Unit with CA Motor Fig. 38 Two-Stage, Three-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. | 87 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 88: Two-Stage, Three-Phase Unit With Optional Components And Ct Motor

    21.11 Two-Stage, Three-Phase Unit with Optional Components and CT Motor Fig. 39 Two-Stage, Three-Phase Unit with Optional Components with CT Motor FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 89: Two-Stage, Three-Phase Unit With Optional Components And Ca Motor

    Fig. 40 Two-Stage, Three-Phase Unit with Optional Components with CA Motor FOR REFERENCE ONLY Actual unit wiring may vary from this example. Always refer to the wiring diagram attached to the unit. | 89 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 90: Dimensional Drawings

    Return) Table 25 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. 90 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 91 Dimensional Drawings Fig. 41 Vertical (VT) Unit Drawings | 91 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 92: 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. • 4" filter racks can accept either a 2" or 4" filte 92 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 93 Dimensional Drawings Fig. 42 Vertical Cabinet Options Drawing | 93 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 94: 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. 94 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 95 Dimensional Drawings Fig. 43 Horizontal (HZ) Units Dimensional Drawings | 95 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 96: Horizontal (Hz) Cabinet Options Dimensions

    • Filter rack dimensions does not include 1" duct flange. • 2" filter racks can accept either a 1" or 2" filter. • 4" filter racks can accept either a 2" or 4" filter. 96 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 97 Dimensional Drawings Fig. 44 Horizontal (HZ) Cabinet Options Drawing | 97 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 98: Counter Flow Unit Dimensions

    Hand Return) Table 29 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. 98 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 99 Dimensional Drawings Fig. 45 Counter Flow Unit Dimensions Drawings | 99 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 100: Counter Flow Options Dimensions

    • 2" filter racks can accept either a 1" or 2" filter. • 4" filter racks can accept either a 2" or 4" filter. • Economizer Drains are 3/4" FNPT. • HRP Connections are 1/2" FNPT. 100 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 101 Dimensional Drawings Fig. 46 Counter Flow Options Dimensions Drawing | 101 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 102: Service Clearance

    Dimensional Drawings 22.7 Service Clearance Vertical and CounterFlow Cabinet Service Clearance Horizontal Cabinet Service Clearance Fig. 47 Vertical and Horizontal Cabinet Service Clearance 102 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 103: Terminology

    Decommissioning — Means the final shut-down and removal from operation or usage of a product or piece of equipment containing fluorinated greenhouse gases. Discharge Pressure — Referring to the pressure leaving compressor. | 103 CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 104: 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 104 | CF Series Heat Pumps — 8733846299 (2024/11)

  • Page 105: Notes

    Notes 25 Notes | 105 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 106 Notes Notes 106 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 107 Notes Notes | 107 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 108 Notes Notes 108 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 109 Notes Notes | 109 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 110 Notes Notes 110 | CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 111 Notes Notes | 111 CF Series Heat Pumps — 8733846299 (2024/11)
  • Page 112 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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