Table of Contents
Advertisement
Quick Links
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2
Detection of Flammable Refrigerants . . . . . . . . . . . . 3
Ignition Source Mitigation . . . . . . . . . . . . . . . . . . . . . 3
Ventilation Requirements . . . . . . . . . . . . . . . . . . . . . . 3
Evacuation, Removal, and Recovery . . . . . . . . . . . . 3
Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Moving and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Checks to Refrigerating Equipment . . . . . . . . . . . . . 4
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Uncrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Rated Indoor Airflow (cfm) . . . . . . . . . . . . . . . . . . . . 15
Unit Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Unit Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Refrigerant and Chilled Water Piping Access . . . . 17
Chilled Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . 21
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Fan Motors and Drives . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Power Supply and Wiring . . . . . . . . . . . . . . . . . . . . . . . 22
Leak Dissipation System . . . . . . . . . . . . . . . . . . . . . 27
Variable Frequency Drive . . . . . . . . . . . . . . . . . . . . . 32
Connecting Ductwork . . . . . . . . . . . . . . . . . . . . . . . . 34
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
40RLA and 40RLQ ONLY . . . . . . . . . . . . . . . . . . . . . 35
(40RLA and 40RLQ only) . . . . . . . . . . . . . . . . . . . 36
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . 36
Indoor Fan Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Cooling with Staged Air Volume (SAV™) . . . . . . . . 36
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53400092-01
Installation, Start-up and
Service Instructions
Printed in U.S.A.
Form No. 40RL-14-30-01SI Rev A
Packaged Air-Handling Units
with Puron Advance™ (R-454B) Refrigerant
Fan Speed Set Up . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Page
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
(and 30 days after initial start) . . . . . . . . . . . . . . .38
Seasonal Maintenance . . . . . . . . . . . . . . . . . . . . . . .38
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Fan Motor Lubrication . . . . . . . . . . . . . . . . . . . . . . . .39
Fan Shaft Bearings . . . . . . . . . . . . . . . . . . . . . . . . . .39
Centering Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . .39
Fan Shaft Position Adjustment . . . . . . . . . . . . . . . .39
Individual Fan Wheel Adjustment . . . . . . . . . . . . . .39
Fan Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Fan Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Fan Pulley Alignment . . . . . . . . . . . . . . . . . . . . . . . .40
Pulley and Drive Adjustment . . . . . . . . . . . . . . . . . .40
Variable Frequency Drive . . . . . . . . . . . . . . . . . . . . .45
VFD REMOTE KEYPAD . . . . . . . . . . . . . . . . . . . . . . .47
ACH580 Operation with Remote Keypad . . . . . . . .47
ACH580 VFD Modes . . . . . . . . . . . . . . . . . . . . . . . . .48
ACH180 VFD Standard Keypad Detail . . . . . . . . . . .50
ACH180 Submenus . . . . . . . . . . . . . . . . . . . . . . . . . .51
Options Menu and Main Menu . . . . . . . . . . . . . . . . .51
ACH580 VFD Diagnostics . . . . . . . . . . . . . . . . . . . . .54
ACH180 VFD Diagnostics . . . . . . . . . . . . . . . . . . . . .54
• FAULTS (RED LED LIT)
• ALARMS (GREEN LED FLASHING)
40RLA/Q/S*14-30
Pg 1
1-25
60 Hz
Replaces: NEW
Advertisement
Table of Contents
Troubleshooting
Subscribe to Our Youtube Channel
Related Manuals for Carrier 40RLA-14
Summary of Contents for Carrier 40RLA-14
-
Page 1: Table Of Contents
40RLA/Q/S*14-30 Packaged Air-Handling Units with Puron Advance™ (R-454B) Refrigerant 60 Hz Installation, Start-up and Service Instructions CONTENTS Operating Fan for Test and Balance (Alternate) . . .36 Fan Speed Set Up ......37 Page •... -
Page 2: Safety Considerations
VFD MAINTENANCE ......57 Control Panel Cleaning ..... . . 57 WARNING Routine Maintenance . -
Page 3: Detection Of Flammable Refrigerants
A degree ventilation shall continue during the period that work is Unit Label Safety Symbols carried out. The ventilation should safely disperse any released re- frigerant and preferably expel it external atmosphere. Should an auxiliary ventilation system be present, check that it is operating This symbol shows that the appliance used a flammable refrigerant. -
Page 4: Charging
NOTE: Be sure to remove the foam shipping pad from the ther- Carrier reserves the right to not assume responsibility for equip- mostatic expansion valve (TXV). Verify that it has been removed. ment damage resulting from improper storage or handling, accu- See Fig. - Page 5 Fig. 1 — Dimensions – Sizes 14, 16, and 25...
- Page 6 Fig. 1 — Dimensions – Sizes 14, 16, and 25 (cont)
- Page 7 Fig. 2 — Dimensions – Sizes 28 and 30...
- Page 8 Fig. 2 — Dimensions – Sizes 28 and 30 (cont)
- Page 9 Position: 9 10 11 12 13 14 15 16 17 18 Example: – Model Type Packaging Compliance 40RL = Packaged Air-Handling Unit 0 = Standard with Puron Advance™ (R-454B) Future Use Refrigerant A = Standard Type of Coil Cabinet Paint A = Standard 4 Row DX 0 = None Q = DX Coil for Heat Pump Duty...
- Page 10 Table 1 — 40RLA Physical Data — Cooling Units (Sizes 14-25) UNIT 40RLA NOMINAL CAPACITY (tons) 12.5 15.0 20.0 OPERATING WEIGHT (lb) Base Unit with TXV Plenum FANS Qty / Diameter (in.) 2 / 15 2 / 15 2 / 15 Nominal Airflow (cfm) 5,000 6,000...
- Page 11 Table 2 — 40RLA Physical Data — Cooling Units (Sizes 28 and 30) UNIT 40RLA NOMINAL CAPACITY (tons) 25.0 30.0 OPERATING WEIGHT (lb) Base Unit with TXV 1,050 1,062 Plenum FANS Qty / Diameter (in.) 2 / 18 2 / 18 Nominal Airflow (cfm) 10,000 12,000...
- Page 12 Table 3 — 40RLQ Physical Data — Heat Pump Units (Sizes 16 and 25 Only) UNIT 40RLQ NOMINAL CAPACITY (tons) 15.0 20.0 OPERATING WEIGHT (lb) Base Unit with TXV Plenum FANS Qty / Diameter (in.) 2 / 15 2 / 15 Nominal Airflow (cfm) 5,625 8,000...
- Page 13 Table 4 — 40RLS Physical Data — Chilled Water Units (Sizes 14-25) UNIT 40RLS NOMINAL CAPACITY (tons) 12.5 15.0 20.0 OPERATING WEIGHT (lb) Base Unit with TXV Plenum FANS Qty / Diameter (in.) 2 / 15 2 / 15 2 / 15 Nominal Airflow (cfm) 5,000 6,000...
- Page 14 Table 5 — 40RLS Physical Data — Chilled Water Units (Sizes 28 and 30) UNIT 40RLS NOMINAL CAPACITY (tons) 25.0 30.0 OPERATING WEIGHT (lb) Base Unit with TXV 1,035 1,042 Plenum FANS Qty / Diameter (in.) 2 / 18 2 / 18 Nominal Airflow (cfm) 10,000 12,000...
-
Page 15: 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 16 Overhead Suspension Accesory — Unit Size 20 Ton Discharge 7'-11 1/2" 3/8 Threaded Rod Return [2425.7] (field-supplied) Bracket TYP 4 Places (factory-supplied, field-installed) TYP 4 Places Steel Channel(field-supplied) TYP 2 Places Overhead Suspension Accessory with Hot Water Coil Overhead Suspension Accessory — Unit Sizes 25 Ton and 30 Ton Discharge 8'-9 1/2"...
-
Page 17: Refrigerant Piping
Refrigerant Piping Refrigerant and Chilled Water Piping Access See Tables 1-5 for refrigerant pipe connection sizes. For ease in The 40RL Series units come with standard knockouts for refriger- brazing, it is recommended that all internal solder joints be made ant and chilled water piping. - Page 18 Table 10 — Refrigerant and Chilled Water Piping Access Hole Data FIELD-FABRICATED HOLE DIAMETERS FIELD-FABRICATED HOLE POSITION USE HOLE in. (mm) DIMENSIONS, in. (mm) UNIT NUMBERS NO. 5 NO. 6 NO.7 NO. 8 40RLA*14, 16 1, 2, 3, 4 — —...
- Page 19 Table 11 — Fitting Requirements (cont) 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, 6-1/2 L 5/8 Long Radius Elbow 40RLA*25 5/8 Street Elbow Liquid...
- Page 20 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 NOTE(S): LEGEND Component location arrangement shown for field installation of sight TXV —...
-
Page 21: Chilled Water Piping
To size, design, and install chilled water piping, consult the Carrier Chilled Water Piping System Design manual. See Fig. 12 for an example of a typical in- See Tables 4 and 5 for chilled water connection sizes. For ease in stallation. -
Page 22: Condensate Drain
Condensate Drain Install a trapped condensate drain line to unit connection as shown in Fig. 13. The unit drain connection is a PVC stub. (See Fig. 14.) 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 23 Table 12 — Electrical Data — Two Speed Motors VOLTAGE LIMITS FAN MOTOR/*VFD* POWER SUPPLY UNIT VOLTAGE TYPE FLA/*MOC* MOCP 2.16 *15.0* 19.0 30.0 208/230 2.16 *15.0* 19.0 30.0 HIGH 2.76 *17.0* 22.0 35.0 2.16 *3.8* 15.0 40RLA/S*14 2.16 *3.8* 15.0 HIGH 2.76...
- Page 24 Table 13 — Recommended Torque of Ground Lug Field Connection TORQUE (in.-lb) 35±4 35±4 35±4 35±4 40±5 Unit Control 45±5.5 Board 45±5.5 Indoor 50±6 Connection 50±6 Board (IDCB) 50±6 Install disconnect switch and power wiring in accordance with all applicable local codes. See Fig. 16-17 and the unit label diagram. For units with motor sizes less than 5 Hp (3.7 kW), connect power wiring to unit with no.
- Page 25 NOTE: On select units, the black and blue IFM wires are reversed. Fig. 18 — Unit Wiring Diagram...
-
Page 26: 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 27: Leak Dissipation System
Leak Dissipation System 40RL units use R-454B refrigerant. These units are equipped with a factory installed R-454B leak dissipation system to ensure safe operation in the event of a refrigerant leak. This system con- sists of two A2L sensors and the dissipation control board (see Fig. -
Page 28: Sequence Of Operation
The A2L detection sensors communicate via wiring harnesses to Remove the cover from the Dissipation control box to access the the dissipation board. Each sensor harness is factory-connected to Test button (see Fig. 24). The Test button is located above the the dissipation board and will additionally need to be field-con- COMM LED. - Page 29 Detail A Detail B Detail A — Test Button Detail B — Status LED Fig. 24 — Dissipation Control Board — Shown without Dust Cover...
-
Page 30: Troubleshooting
Press the Test button on the dissipation system control board to en- Table 16 details the required operational checks to ensure proper sure proper dissipation system operation under each test condition dissipation system function. listed below. After pressing the Test button, system will enter Dis- sipation Mode for 60 seconds to help verify correct operation. -
Page 31: Status Led
Table 17 — Status LED Troubleshooting Table STATUS LED REASON CONTROL VERBIAGE MODE 1 Flash Sensor 1 ≥ 20% LFL REFRIG DISSIPATION ACTIVE Dissipation in Process 2 Flash Sensor 1 Open REFRIG SENSOR OPEN Dissipation in Process 5 Minute Blower Operating, Sensor < 20% 3 Flash LFL and sensors are not opened (done after DISSIPATION OFF DELAY ACTIVE... -
Page 32: 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, cooling, and heating operation. The VFD is controlled through a 0-10 vdc signal that is provided by the Unit Control Board (UCB) in the control box. - Page 33 Variable Variable Frequency Frequency Drive (VFD) Drive (VFD) Fig. 30 — ACH180 VFD Location — 40RLA/S 28-30 (208/230-v and 460-v only) Fig. 28 — ACH180 VFD Location — 40RLA/S 14-16, 40RLQ 16 (208/230-v and 460-v only) Variable Frequency Variable Drive (VFD) Frequency Drive (VFD) Fig.
-
Page 34: Connecting Ductwork
OUTDOOR-AIR INLET CONNECTIONS Connecting Ductwork Connect outdoor-air inlet to field-installed accessory economizer. Refer to the Carrier System Design Manual for the recommended Refer to Economizer Installation Instructions. design and layout of ductwork. Fig. 33 shows recommended duct connection to units with 2 fans. -
Page 35: Start-Up
Duct Flanges Fig. 34 — 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 36: Adjusting Txv For Superheat (40Rla And 40Rlq Only)
Adjusting TXV for Superheat SECOND STAGE (Y2) (40RLA and 40RLQ only) Lower the cooling set point until the second stage compressor starts. The indoor fan speed is dependent on the number of cooling The unit-mounted thermostatic expansion valve(s) is/are factory stages: set to provided superheat at the bulb location in 10°F to 15°F (5.5 to 8.3°C) range. -
Page 37: Fan Speed Set Up
Table 18 — 40RL Min cfm Per Fan Motor Type 2-SPEED FAN 2-SPEED FAN UNIT MOTOR (AT HIGH MOTOR (AT LOW SPEED) SPEED) 40RLA/S 14 4,056 2,704 40RLA/S/Q 16 4,500 3,000 40RLA/S/Q*25 7,500 5,000 40RLA/S*28 8,450 5,633 40RLA/S*30 10,140 6,760 Fan Speed Set Up These units contain a variable frequency drive (VFD) fan assem- bly. -
Page 38: Maintenance
The above list may not include all maintenance items. Inspection intervals may • condenser fan motor mounting bolts tightness vary depending on climate and opening hours. Consult your Carrier dealer about a service contact for seasonal inspections. • compressor mounting bolts b. -
Page 39: 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 40: Fan Rotation
Pulley(s) Belts Motor Pulley(s) Slot Mounting Bolts Fig. 40 — Fan Motor Mounting Fan Rotation Adjustable Flanges Correct fan rotation with respect to fan outlet is shown in Fig. 41. Setscrews Straight Edge Must Be Parallel With Belt Housing Discharge Pulleys Setscrews Cutoff... - Page 41 Table 22 — Fan Motor Data, 40RLA/S Standard Motor, Two Speed UNIT 40RLA/S 14 40RLA/S 16 40RLA/S 25 40RLA/S 28 40RLA/S 30 208/230-3-60 and 460-3-60 Speed (rpm) 1,735 1,750 1,755 1,760 1,755 10.0 Frame (NEMA) 56HY 56HY 184T S213T S215T Shaft Dia (in.) 1-1/8 1-3/8...
- Page 42 Table 28 — Standard Drive Data 40RLA/S 40RLA/Q/S 40RLA/Q/S 40RLA/S 40RLA/S UNIT MOTOR DRIVE Motor Pulley Pitch Diameter (in.) 2.8-3.8 2.8-3.8 3.7-4.7 4.3-5.3 4.3-5.3 Pulley Factory Setting Full Turns Open FAN DRIVE Pulley Pitch Diameter (in.) 11.0 11.0 Pulley Bore (in.) 1-1/16 1-1/16 1-1/16...
-
Page 43: Motor Drive
Table 30 — High-Static Drive Data 40RLA/S 40RLA/Q/S 40RLA/Q/S 40RLA/S 40RLA/S UNIT MOTOR DRIVE Motor Pulley Pitch Diameter (in.) 3.7-4.7 4.3-5.3 4.3-5.3 4.3-5.3 4.3-5.3 Pulley Factory Setting Full Turns Open FAN DRIVE Pulley Pitch Diameter (in.) Pulley Bore (in.) 1-1/16 1-1/16 1-1/16 1-15/16... - Page 44 Table 31 — Fan Performance Data — 40RL a,b,c EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW UNIT (cfm) 3,750 0.43 0.55 0.83 1.12 1.41 1.72 2.05 4,300 0.62 0.74 1.05 1.38 1.70 2.04 2.39 40RLA*14 5,000 0.92 1.06 1.39 1.76 2.14 2.52 2.91 40RLS*14...
-
Page 45: Variable Frequency Drive
Table 32 — Factory-Supplied Pressure Drop Table 33 — ACH180 VFD Terminal Designations PRESSURE DROP TERMINAL FUNCTION UNIT AIRFLOW (cfm) (in. wg) 3,750 0.06 Three-Phase Main Circuit Input Power Supply 40RLA*14 5,000 0.10 40RLS*14 T1/U 6,250 0.13 Three-Phase AC Output to Motor, 0-v to T2/V Maximum Input Voltage Level 4,500... -
Page 46: Indoor Fan Motor
INDOOR FAN MOTOR motors with Factory Authorized Parts available from Replace- ment Components Division (RCD). The indoor fan motors used with the VFD are specially manufac- tured for use with VFD power circuits. The motor winding insula- VFD FUSES tion is specially formulated to resist breakdown due to voltage Table 35 details the fuse requirement for the VFD installed in stress issues. -
Page 47: Fan Fault Detection
VFD display. Press the AUTO If diagnostics troubleshooting has determined that the drive is button to set the drive in AUTO mode. defective during the warranty period, contact Carrier. FAULTS A fault is a significant internal situation for the VFD or its motor. -
Page 48: First Start Assistant
CONFIGURATION OVERRIDE HAZARD parameter and press EDIT (Press Do not use ABB or Carrier start-up assistant on this VFD Use the UP or DOWN keys to change the value of the application. Use of start-up assistant will override the factory parameter. -
Page 49: Parameters Mode
is local from the control panel. The AUTO icon indicates that the HAND button switches the drive to hand control while keeping drive is in remote control mode, such as the basic I/O or field bus. the drive running. Press the AUTO button to switch to remote in- put control. -
Page 50: Clock Set Mode
Upload All Parameters keys to change the parameter setting. Press OK (Press to save the configuration and return to the Sub list menu. To upload and store parameters in the control panel from the VFD insert the Keypad into the VFD slot (see Fig. 49) and animation Use the UP or DOWN keys to highlight SET TIME and press will appear loading the VFD configuration. -
Page 51: Ach180 Submenus
Options Menu and Main Menu The ACH180 drives have 5 menu options available (see Fig. 52): • motor data/motor parameters • motor control • diagnostics • energy efficiency • parameters Fig. 52-57 show the available options and information within each of the submenus. - Page 52 Start Mode - Const Time, Automatic Stop Mode - Coast, Ramp, DC hold Acceleration Time Deceleration Time Maximum Allowed Speed Motor Type - AsynM, PMSM, EC, Ti Maximum Allowed Current Control Mode - Scalar, Vector Minimum Allowed Speed Nominal Power Nominal Current Fig.
- Page 53 Complete Parameter List - Groups Menu with Complete Parameters and Parameter Levels Modified parameter list Parameter Restore - Resets the Drive to the Factory Default Parameters Saved Energy in kWh Saved Money Fig. 57 — Parameters Submenu Saved Energy in MW Saved Money x 1000 Cost per kWh h Fig.
-
Page 54: Ach580 Vfd Diagnostics
If diagnostics troubleshooting has determined that the drive is de- • Enabling the red LED on the drive (LED is either steady or fective during the warranty period, contact Carrier. flashing) • Setting an appropriate bit in a Fault Word parameter ACH180 VFD Diagnostics •... - Page 55 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 56 Table 36 — Fault and Alarm Codes for ACH580/ACH180 VFD (cont) CODE (HEX) WARNING / AUX. CODE CAUSE WHAT TO DO Informative warning. See the settings in parameter group 31 AFAA Auto Reset A fault is about to be auto reset. Fault functions.
-
Page 57: Vfd Maintenance
Maintenance and component replacement intervals are based on the assumption that the equipment is operated within the specified ratings and ambient conditions. Carrier recommends annual drive inspections to ensure the highest reliability and optimum performance. b. Long term operation near the specified maximum ratings or ambient conditions may require shorter maintenance intervals for certain components. -
Page 58: Heat Sink Cleaning
Use the following procedure to clean the heat sink on AHC580 Heat Sink Cleaning VFDs: The heat sink fins accumulate dust from the cooling air. The drive Turn off and lock out unit power. runs into overtemperature warnings and faults if the heat sink is not cleaned. -
Page 59: Fan Replacement
If the drive is operated in a critical part of a Fig. 65. process, fan replacement is recommended once these symptoms start appearing. Replacement fans are available from Carrier. Unplug fan power supply wires from the drive (see Fig. 66). ACH580 MAIN FAN REPLACEMENT Remove the fingerguard: Insert a screwdriver into the hole of the fingerguard (see Fig. -
Page 60: Ach180 Cooling Fans Replacement
Install the new fan into the fan cover. Make sure that the air flow is in the correct direction. The air flows in from the bot- tom of the drive and out from the top of the drive. As shown in the following figure, the side with the fan power cable is aligned to the double bars sign on the fan cover. -
Page 61: Bypass The Vfd
Bypass the VFD Return-Air Filters Refer to Replacing Filters section on page 62 for filter accessibili- ty and removal. Replace with clean filters of the sizes listed in WARNING Tables 1-5. Bypassing the VFD is not recommended. This is a temporary Chilled Water Coil Freeze Protection procedure to provide cooling or heating operation when a new Shut off water supply to unit. -
Page 62: Replacing Filters
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. 73). Remove old filters by lifting and tilting them out of the filter track. -
Page 63: Appendix A - Vfd Parameters
APPENDIX A — VFD PARAMETERS Table A — ACH180 Common Parameters Table B — ACH580 Common Parameters Parameters Description Setting Parameters Description Setting 10.24 RO1 Source FAULT (-1) [15] 10.24 RO1 Source — 12.17 AI1 Min 2.00% [0.200 V] 10.30 RO3 Source Fault (-1) 13.12... - Page 64 APPENDIX A — VFD PARAMETERS (cont) Table C — ACH180 VFD Parameters for 40RL Units with Electromechanical Controls NOM. MOTOR NOM. NOM. NOM. MOTOR REPLACEMENT VOLTAGE PKG ABB VFD PART DRIVE AMPS FREQ AMPS PART COMPONENT DESCRIPTION PARAMETERS ACH180 NUMBER NUMBER NUMBER 99.07...
- Page 66 © 2025 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53400092-01 Printed in U.S.A. Form No. 40RL-14-30-01SI Rev A Pg 66 1-25 Replaces: NEW...
-
Page 67: Preliminary Information
START-UP CHECKLIST Split Systems with 40RL 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 68 NOTES: _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ © 2025 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53400092-01 Printed in U.S.A. Form No. 40RL-14-30-01SI Rev A Pg CL-2...
Need help?
Do you have a question about the 40RLA-14 and is the answer not in the manual?
Questions and answers