Carrier 40RU 14 Installation, Start-Up And Service Instructions Manual
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Carrier 40RU 14 Installation, Start-Up And Service Instructions Manual

Carrier 40RU 14 Installation, Start-Up And Service Instructions Manual

Packaged air-handling units with puron (r-410a) refrigerant 60 hz
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CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2
PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Moving and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Uncrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Rated Indoor Airflow (cfm) . . . . . . . . . . . . . . . . . . . . 13
Unit Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Unit Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Chilled Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . 17
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Fan Motors and Drives . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Power Supply and Wiring . . . . . . . . . . . . . . . . . . . . . . . 18
Variable Frequency Drive . . . . . . . . . . . . . . . . . . . . . 23
Connecting Ductwork . . . . . . . . . . . . . . . . . . . . . . . . 25
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
40RUA and 40RUQ ONLY . . . . . . . . . . . . . . . . . . . . . 26
(40RUA and 40RUQ only) . . . . . . . . . . . . . . . . . . . 27
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . 27
Indoor Fan Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Fan Speed Set Up . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
(and 30 days after initial start) . . . . . . . . . . . . . . . 29
Seasonal Maintenance . . . . . . . . . . . . . . . . . . . . . . . 29
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53400085-01
Installation, Start-up and
Service Instructions
Printed in U.S.A.
Form No. 40RU-14-16-02SI
Packaged Air-Handling Units
with Puron
Fan Motor Lubrication . . . . . . . . . . . . . . . . . . . . . . . .30
Fan Shaft Bearings . . . . . . . . . . . . . . . . . . . . . . . . . .30
Page
Centering Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . .30
Fan Shaft Position Adjustment . . . . . . . . . . . . . . . .30
Individual Fan Wheel Adjustment . . . . . . . . . . . . . .30
Fan Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Fan Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Fan Pulley Alignment . . . . . . . . . . . . . . . . . . . . . . . .31
Pulley and Drive Adjustment . . . . . . . . . . . . . . . . . .32
Variable Frequency Drive . . . . . . . . . . . . . . . . . . . . .36
VFD REMOTE KEYPAD . . . . . . . . . . . . . . . . . . . . . . .38
ACS320 VFD Modes . . . . . . . . . . . . . . . . . . . . . . . . . .38
ACS320 VFD Diagnostics . . . . . . . . . . . . . . . . . . . . .40
Correcting Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Correcting Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Reset After Using Start-Up Assistant . . . . . . . . . . .43
ACH580 VFD Modes . . . . . . . . . . . . . . . . . . . . . . . . .44
ACH580 VFD Diagnostics . . . . . . . . . . . . . . . . . . . . .47
VFD MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . .50
Heat Sink Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . .50
Fan Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Pg 1
40RU 14-16
®
(R-410A) Refrigerant
2-24
Replaces: 40RU-14-16-01SI
60 Hz

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  • Page 1: Table Of Contents

    40RU 14-16 Packaged Air-Handling Units with Puron ® (R-410A) Refrigerant 60 Hz Installation, Start-up and Service Instructions CONTENTS Fan Motor Lubrication ......30 Fan Shaft Bearings .

  • Page 2: Safety Considerations

    • ACH580 MAIN FAN REPLACEMENT • ACH580 AUXILIARY COOLING FAN REPLACEMENT DANGER • ACS320 FAN REPLACEMENT Bypass the VFD ......52 ELECTRICAL SHOCK HAZARD Condensate Drains .

  • Page 3: Pre-Installation

    PRE-INSTALLATION INSTALLATION The power supply (v, ph, and Hz) must correspond to that General specified on unit rating plate. Allow the following clearances for service access and airflow: The electrical supply provided by the utility must be suffi- • Rear: 2-1/2 ft (762 mm) [2-1/2 ft (762 mm) with electric cient to handle load imposed by this unit.
  • Page 4 Fig. 1 — Dimensions – Size 14 and 16...
  • Page 5 Fig. 1 — Dimensions – Size 14 and 16 (cont)
  • Page 6 Position: 9 10 11 12 13 14 15 16 17 18 Example: – Model Type Packaging Compliance 40RU = Packaged Air-Handling Unit 0 = Standard with Puron ® (R-410A) Refrigerant Future Use Type of Coil A = Standard A = Standard 4 Row DX Q = DX Coil for Heat Pump Duty Cabinet Paint S = Chilled Water Coil...
  • Page 7 Table 1 — 40RUA Physical Data, English — Cooling Units UNIT 40RUA NOMINAL CAPACITY (tons) 12-1/2 OPERATING WEIGHT (lb) Base Unit with TXV Plenum FANS Qty / Diameter (in.) 2 / 15 2 / 15 Nominal Airflow (cfm) 5000 6000 Airflow Range (cfm) 3750-6250 4500-7500...
  • Page 8 Table 2 — 40RUA Physical Data, SI — Cooling Units UNIT 40RUA NOMINAL CAPACITY (kW) OPERATING WEIGHT (kg) Base Unit with TXV Plenum FANS Qty / Diam. (mm) 2 / 381 2 / 381 Nominal Airflow (L/s) 2360 2831 Airflow Range (L/s) 1770-2949 2124-3539 Nominal Motor Hp (Standard Motor)
  • Page 9 Table 3 — 40RUQ Physical Data, English — Heat Pump Units UNIT 40RUQ NOMINAL CAPACITY (tons) OPERATING WEIGHT (lb) Base Unit with TXV Plenum FANS Qty / Diam. (in.) 2 / 15 Nominal Airflow (cfm) 5625 Airflow Range (cfm) 4500-7500 Nominal Motor Hp (Standard Motor) 208/230-3-60 and 460-3-60 575-3-60...
  • Page 10 Table 4 — 40RUQ Physical Data, SI — Heat Pump Units UNIT 40RUQ NOMINAL CAPACITY (kW) OPERATING WEIGHT (kg) Base Unit with TXV Plenum FANS Qty / Diam. (mm) 2 / 381 Nominal Airflow (L/s) 2655 Airflow Range (L/s) 2124-3539 Nominal Motor Hp (Standard Motor) 208/230-3-60 and 460-3-60 2.76...
  • Page 11 Table 5 — 40RUS Physical Data, English — Chilled Water Units UNIT 40RUS NOMINAL CAPACITY (tons) 12-1/2 OPERATING WEIGHT (lb) Base Unit Plenum FANS Qty / Diam. (in.) 2 / 15 2 / 15 Nominal Airflow (cfm) 5000 6000 Airflow Range (cfm) 3750-6250 4500-7500 Nominal Motor Hp (Standard Motor)
  • Page 12 Table 6 — 40RUS Physical Data, SI — Chilled Water Units UNIT 40RUS NOMINAL CAPACITY (kW) OPERATING WEIGHT (kg) Base Unit Plenum FANS Qty / Diam. (mm) 2 / 381 2 / 381 Nominal Airflow (L/s) 2360 2831 Airflow Range (L/s) 1770-2949 2124-3539 Nominal Motor Hp (Standard Motor)

  • Page 13: Rated Indoor Airflow (Cfm)

    Unit Positioning Coil The unit can be mounted on the floor for vertical application with return air entering the face of the unit and supply air discharging vertically through the top of the unit. The unit can also be applied in a horizontal arrangement with return air entering horizontally and the supply air discharging horizontally.

  • Page 14: Refrigerant Piping

    accommodate the piping. See Fig. 6 for the positions and Refrigerant Piping dimensions of the additional access holes required for 40RUQ*16 See Tables 1-6 for refrigerant pipe connection sizes. For ease in and 40RUS units. Recommended access hole use is also listed for brazing, it is recommended that all internal solder joints be made all units.
  • Page 15 Table 11 — Fitting Requirements UNIT ACCESS HOLE NO. CONNECTION TYPE CIRCUIT FITTING REQUIRED (in.) 1-1/8 Street Elbow Suction Lower 1-1/8 Nipple, 7-5/8 L 1-1/8 Long Radius Elbow 5/8 Street Elbow Liquid Lower 5/8 Nipple, 1-7/16 L 5/8 Long Radius Elbow 40RUA*14 5/8 Street Elbow Liquid...
  • Page 16 Equalizer Line Upper Sensing Split Bulb Solenoid Valve Sight Airflow Glass 15 Diams Diams 8 Diams Equalizer Filter Line Drier Lower Sensing Split Bulb Airflow 15 Diams Diams 8 Diams Indoor Coil Dual Circuit Coil Piping Configuration — RU**14-16 For single compressor condensing units. NOTE(S): LEGEND Component location arrangement shown for field installation of sight...

  • Page 17: Chilled Water Piping

    To size, design, and install chilled water piping, consult the Carrier Chilled Water Piping System Design manual. See Fig. 10 for an example of a typical in- See Tables 5 and 6 for chilled water connection sizes. For ease in stallation.

  • Page 18: Condensate Drain

    Condensate Drain Install a trapped condensate drain line to unit connection as shown in Fig. 11. The unit drain connection is a PVC stub. (See Fig. 12.) Some areas may require an adapter to connect to either galvanized steel or copper pipe. For these applications, install a field-supplied threaded PVC adapter.
  • Page 19 Table 12 — Electrical Data — Two Speed Motors VOLTAGE LIMITS FAN MOTOR POWER SUPPLY UNIT VOLTAGE TYPE MOCP 2.16 11.0 208/230 2.16 11.0 HIGH 2.76 10.8 14.0 2.16 40RUA/S*14 2.16 HIGH 2.76 2.76 2.76 HIGH 3.73 10.0 2.76 10.8 14.0 208/230 2.76...
  • Page 20 The 40RU size 14-16 units that have motors wired for 460 v, 3 ph, 60 Hz operation can be field-converted to 208/230 v, 3 ph, 60 Hz operation. Rewire the motor according to the diagram plate on the motor. After reconfiguring the motor, mark the motor specifying 208 v or 230 v operation replacing the 460 v sticker information on the units’...
  • Page 21 NOTE: On select units, the black and blue IFM wires are reversed. Fig. 15 — Unit Wiring...

  • Page 22: Three Stage Operation

    THREE STAGE OPERATION The 3-stage system will run the fan at low speed with a G, Y1, and Y1+Y2 call, and at high speed with a call for Y1, Y2, and Y3. A All units are factory shipped for 2-stage cooling operation. To con- thermostat with 3 cooling stage capability is required for this sys- vert a unit to 3-stage operation, see Fig.

  • Page 23: Variable Frequency Drive

    Variable Frequency Drive The unit is equipped with a Variable Frequency Drive (VFD) to control the indoor fan in sequence with the unit’s ventilation, cool- ing, and heating operation. The VFD is controlled through a 0- 10vdc signal that is provided by the Unit Control Board (UCB) in the control box.
  • Page 24 Variable Frequency Drive (VFD) Fig. 19 — ACS320 VFD Location for the following units: 40RUA/RUS 14-16, 40RUQ 16 (208/230V and 460V only) Variable Frequency Drive (VFD) Fig. 20 — ACH580 VFD Location for the following units: 40RUA/RUS 14-16, 40RUQ 16 (575V only)

  • Page 25: Connecting Ductwork

    RETURN CONNECTIONS Connecting Ductwork Refer to the Carrier System Design Manual for the recommended When using return-air ductwork, route return-air duct to the unit’s design and layout of ductwork. Figure 21 shows recommended return air inlet near the filter rack, using a canvas connection to duct connection to units with 2 fans.

  • Page 26: Start-Up

    Duct Flanges Fig. 22 — Duct Flange Installation START-UP Before starting unit, check the following and correct as necessary: 40RU500072 2.0 IMPORTANT! / IMPORTANT • Is unit solidly supported? • Is fan adjusted for speed and pulley alignment? EQUALIZER LINE CONDUITE D'ÉQUILIBRAGE •...

  • Page 27: Adjusting Txv For Superheat  (40Rua And 40Ruq Only)

    Adjusting TXV for Superheat  Cooling with Staged Air Volume (SAV™) (40RUA and 40RUQ only) FIRST STAGE (Y1) The unit-mounted thermostatic expansion valve(s) is/are factory Set the thermostat FAN switch to AUTO and the SYSTEM switch set to provided superheat at the bulb location in 10°F to 15°F to COOL.

  • Page 28: Fan Speed Set Up

    10. Replace the fan access panel. Using a straight blade screwdriver, turn the vdc control dial to fine tune the vdc reading until the unit matches the required 11. Perform test and balance procedure. airflow setting. 12. Adjust the supply fan speed according to the Pulley and Record the reading in the Field Setting field.

  • Page 29: Maintenance

    NOTE(S): AIR CONDITIONING a. The above list may not include all maintenance items. Inspection intervals may vary depending on climate and opening hours. Consult your Carrier dealer • Condenser fan motor mounting bolts tightness about a service contact for seasonal inspections.

  • Page 30: Fan Motor Lubrication

    Fan Motor Lubrication Fan Shaft Position Adjustment Fan motor supplied with unit is permanently lubricated and Loosen setscrew or locking collar of each fan shaft bearing. requires no further lubrication. Slide shaft into correct position and replace locking collar (see Fig.

  • Page 31: Fan Rotation

    Pulley(s) Belts Motor Pulley(s) Slot Mounting Bolts Fig. 28 — Fan Motor Mounting Fan Rotation Correct fan rotation with respect to fan outlet is shown in Fig. 29. Adjustable Flanges To reverse the direction of rotation of a 3-phase fan motor, reverse any 2 of the power leads.

  • Page 32: Pulley And Drive Adjustment

    Pulley and Drive Adjustment Table 20 — Fan Motor Data, 40RUA/S Standard Motor, Two Speed — SI To obtain desired fan speed, refer to the fan motor, drive data and performance data in Tables 17-38 and adjust fan motor pulley as UNIT 40RUA/S 14 40RUA/S 16...
  • Page 33 Table 24 — Motor Efficiency 40RUQ — Table 28 — Medium-Static Drive Data, 60 Hz — Two-Speed Motor English MOTOR EFFICIENCY 40RUA/S 40RUA/Q/S MOTOR HP EPACT MINIMUM (%) UNIT — 82.0 MOTOR DRIVE — 80.0 Motor Pulley Pitch Diameter (in.) 3.4-4.4 3.7-4.7 —...
  • Page 34 Table 31 — Medium-Static Drive Data, 60 Hz — SI Table 32 — High-Static Drive Data, 60 Hz — SI 40RUA/S 40RUA/Q/S 40RUA/S 40RUA/Q/S UNIT UNIT MOTOR DRIVE MOTOR DRIVE Motor Pulley Pitch Diameter (mm) 94.0-119.4 109.2-134-.6 Motor Pulley Pitch Diameter (mm) 86.4-111.8 94.0-119.4 Pulley Factory Setting Full Turns...
  • Page 35 Table 35 — Fan Performance Data — 40RU 0-300 kPa ESP, 60 Hz — SI a,b,c EXTERNAL STATIC PRESSURE (Pa) AIRFLOW UNIT (L/s) 1770 6.84 0.32 7.78 0.41 9.46 0.62 10.82 0.83 12.02 1.05 13.13 1.28 14.19 1.53 2030 7.58 0.46 8.40 0.55...

  • Page 36: Variable Frequency Drive

    Variable Frequency Drive Table 40 — ACH580 VFD Terminal Designations The VFD switches the indoor fan motor speed between full/high speed (60 Hz motor operation) and reduced/low speed (40 Hz mo- TERMINAL FUNCTION tor operation), as required by ASHRAE 90.1-2016 and IECC-2015 requirements for two-stage HVAC units.

  • Page 37: Alarms

    If diagnostics troubleshooting has determined that the drive is SELECT), digital input or serial communication could also be defective during the warranty period, contact Carrier. used to reset the drive. When the fault has been corrected, the mo- tor can be started.

  • Page 38: Vfd Remote Keypad

    CONFIGURATION OVERRIDE HAZARD drive is in remote control mode, such as the basic I/O or field bus. Do not use ABB or Carrier start-up assistant on this VFD The arrow icon indicates the drive and motor rotation status. A application. Use of start-up assistant will override the factory rotating arrow (clockwise or counterclockwise) indicates that VFD configurations.

  • Page 39: Parameters Mode

    To stop the process, select ABORT DOWN keys simultaneously. To restore the default factory set- (SOFT KEY 1). tings, select the Carrier application macro. When the download is complete, the text “Parameter CHANGED PARAMETERS MODE download successful” will be displayed.

  • Page 40: Clock Set Mode

    The text “Downloading Parameters (partial)” will be dis- ACS320 VFD Diagnostics played with a progress indicator. To stop the process, The drive detects error situations and reports them using: select ABORT (SOFT KEY 1). • Green and red LEDs on the body of the drive (located un- When the download is complete, the text “Parameter der the keypad) download successful”...

  • Page 41: Correcting Alarms

    If diagnostics troubleshooting has determined that the drive is de- Correcting Alarms fective during the warranty period, contact Carrier. To correct alarms, first determine if the alarm requires any correc- tive action (action is not always required). Use Table 42 to find and address the root cause of the problem.
  • Page 42 3015 UNDERLOAD CURVE. THERM FAIL Internal fault. The thermistor measuring the internal temperature of the drive is open or shorted. Contact Carrier. OPEX LINK Internal fault. A communication-related problem has been detected between the OMIO and OINT boards. Contact Carrier.

  • Page 43: Reset After Using Start-Up Assistant

    CONFIGURATION OVERRIDE HAZARD The function of Right Softkey matches the word in the lower Do not use ABB or Carrier start-up assistant on this VFD right-hand box on the display screen. If the box is empty, then the application. Use of start-up assistant will override the factory Softkey does not have a function on that specific screen.

  • Page 44: Ach580 Vfd Modes

    SEL (Press CONFIGURATION OVERRIDE HAZARD Use the UP or DOWN keys to highlight the desired Do not use ABB or Carrier start-up assistant on this VFD parameter and press EDIT (Press application. Use of start-up assistant will override the factory Use the UP or DOWN keys to change the value of the VFD configurations.

  • Page 45: Parameters Mode

    Use the UP or DOWN keys to highlight PARAMETERS on the display screen and press Select (Press Use the UP or DOWN keys to highlight the desired parameter group and press Select (Press Use the UP or DOWN keys to highlight the desired parameter and press EDIT (Press Use the UP or DOWN keys to change the value of the parameter.

  • Page 46: Clock Set Mode

    Use the UP or DOWN keys to highlight PRIMARY SETT. on the display screen and press ENTER (Press ). The Sub list will be displayed. Use the UP or DOWN keys to highlight Clock, region, dis- play and press SEL (Press ).

  • Page 47: Ach580 Vfd Diagnostics

    To correct alarms, first determine if the alarm requires any correc- tive action (action is not always required). Use Table 44 to find and address the root cause of the problem. If diagnostics troubleshooting has determined that the drive is de- fective during the warranty period, contact Carrier.
  • Page 48 Hardware manual of the drive. If an earth fault is found, fix or change the motor cable and/or motor. If no earth fault can be detected, contact your local Carrier representative. Check motor and motor cable for cabling errors.
  • Page 49 Table 44 — Fault and Alarm Codes for ACH580 VFD (cont) CODE (HEX) WARNING / AUX. CODE CAUSE WHAT TO DO The start delay is active and the Check that it is safe to continue operation. Then return AFE9 Start delay drive will start the motor after a emergency stop push button to normal position.

  • Page 50: Vfd Maintenance

    If the drive is operated in a critical part of a process, fan replacement is recommended once these symptoms start appearing. Replacement fans are available from Carrier. ACH580 MAIN FAN REPLACEMENT To replace the main fan for frame sizes R1 and R2, perform the following (see Fig.
  • Page 51 Fig. 43 — Remove Main Fan Fingerguard Fig. 45 — Open Keypad Cover and Remove Keypad Fig. 44 — Remove Main Fan ACH580 AUXILIARY COOLING FAN REPLACEMENT To replace the internal enclosure fan for frame sizes R1 and R2 perform the following (see Fig. 45, 46, and 47): Remove power from drive.
  • Page 52 Fig. 49 — Remove Fan from Holder Install the new fan in reverse order. Restore power. Bypass the VFD Fig. 47 — Remove Auxiliary Fan ACS320 FAN REPLACEMENT WARNING To replace the fan perform the following: Remove power from drive. Wait for 5 minutes and then make Bypassing the VFD is not recommended.
  • Page 53 • Add a sufficient quantity of non-corrosive antifreeze to the Condensate Drains entire system to prevent all water within the system from Keep condensate drains free of dirt and foreign matter. freezing. Return-Air Filters Coil Removal Refer to Replacing Filters section on page 53 for filter accessibili- Remove unit panels and corner posts as required.
  • Page 54 Replacing Filters Filters can be removed and installed from either side of the unit. Install new filters in units that have one fan as follows: Remove the side access panel (retain screws). Remove the filter retainer clip (see Fig. 51). Remove old filters by lifting and tilting them out of the filter track.
  • Page 55 APPENDIX A — VFD PARAMETERS Table B — ACH580 VFD Common Parameters Table A — ACS320 Common Parameters SETTING SETTING PARAMETERS DESCRIPTION PARAMETERS DESCRIPTION ACH580 ACS320 10.30 Relay out 3 (15) FAULT (–1) 1001 EXT1 Commands 12.17 Minimum AI1 0.2V 1102 EXT1/EXT2 Sel EXT1...
  • Page 56 APPENDIX A — VFD PARAMETERS (cont) Table C — ACS320 VFD Parameters, for 40RU Units with Electromechanical Controls VFD PARAMETERS PKG ABB ACS320 MOTOR PART NUMBER VFD PART NUMBER DRIVE HP DESC 40RU000130-DATA 40RU000130 HD56FR233 HK30WA523 40RU 1.7 HP 230V 40RU000131-DATA 40RU000131 HD56FR463...
  • Page 57 APPENDIX A — VFD PARAMETERS (cont) Table E — ACS320 VFD Parameters — 40RU (208/230V and 460V units only) MOTOR CONST CONST CONST CONST REPLACEMENT VFD PART MOTOR PART VOLTS SPEED SPEED SPEED SPEED COMPONENT DESCRIPTION AMPS NUMBER NUMBER (9905) FREQ PART NUMBER (9906)
  • Page 58 © 2024 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53400085-01 Printed in U.S.A. Form No. 40RU-14-16-02SI Pg 58 2-24 Replaces: 40RU-14-16-01SI...
  • Page 59 START-UP CHECKLIST Split Systems with 40RU Units (Remove and use for job file) NOTE: To avoid injury to personnel and damage to equipment or property when completing the procedures listed in this start-up checklist, use good judgment, follow safe practices, and adhere to the safety considerations/information as outlined in preceding sections of this Installation, Start-Up, and Service document.
  • Page 60 NOTES: ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ © 2024 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53400085-01 Printed in U.S.A. Form No. 40RU-14-16-02SI Pg CL-2...

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