Table of Contents
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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
Unit Positioning . . . . . . . . . . . . . . . . . . . . . . . . 12
Unit Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Refrigerant Piping Access . . . . . . . . . . . . . . . . 14
Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . 14
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . 17
Fan Motors and Drives . . . . . . . . . . . . . . . . . . . 17
Power Supply and Wiring . . . . . . . . . . . . . . . . 17
Variable Frequency Drive . . . . . . . . . . . . . . . . . 22
Connecting Ductwork . . . . . . . . . . . . . . . . . . . . 25
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . 25
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
FAS240-336 and FHS240 . . . . . . . . . . . . . . . . . 27
(FAS240-336 and FHS240) . . . . . . . . . . . . . . 27
Compressor Rotation . . . . . . . . . . . . . . . . . . . . 27
Indoor Fan Motor . . . . . . . . . . . . . . . . . . . . . . . 27
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Operating Fan for Test and Balance . . . . . . . . 28
Fan Speed Set-Up . . . . . . . . . . . . . . . . . . . . . . . 28
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . 29
(and 30 days after initial start) . . . . . . . . . . . 29
Seasonal Maintenance . . . . . . . . . . . . . . . . . . . 29
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Fan Motor Lubrication . . . . . . . . . . . . . . . . . . . 30
Fan Shaft Bearings . . . . . . . . . . . . . . . . . . . . . . 30
Centering Fan Wheel . . . . . . . . . . . . . . . . . . . . 30
Form No. FASFHS240-336-03SI
FAS/FHS240-336
Packaged Air-Handling Units
with R-410A Refrigerant
Installation, Start-up and
Service Instructions
Page
60 Hz
Fan Shaft Position Adjustment . . . . . . . . . . . . 30
Individual Fan Wheel Adjustment . . . . . . . . . . 31
Fan Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Fan Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Fan Pulley Alignment . . . . . . . . . . . . . . . . . . . . 32
Pulley and Drive Adjustment . . . . . . . . . . . . . . 32
Variable Frequency Drive . . . . . . . . . . . . . . . . 40
VFD REMOTE KEYPAD . . . . . . . . . . . . . . . . . . 42
ACS320 Operation with Remote Keypad . . . . 42
ACS320 VFD Modes . . . . . . . . . . . . . . . . . . . . . 42
ACS320 VFD Diagnostics . . . . . . . . . . . . . . . . 44
Correcting Faults . . . . . . . . . . . . . . . . . . . . . . . 45
Correcting Alarms . . . . . . . . . . . . . . . . . . . . . . 45
Reset After Using Start-Up Assistant . . . . . . . 47
ACH580 Operation with Remote Keypad . . . . 48
ACH580 VFD Modes . . . . . . . . . . . . . . . . . . . . . 49
ACH580 VFD Diagnostics . . . . . . . . . . . . . . . . 51
VFD MAINTENANCE . . . . . . . . . . . . . . . . . . . . . 54
Heat Sink Cleaning . . . . . . . . . . . . . . . . . . . . . . 54
Pg 1
2-24
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Summary of Contents for Carrier FHS336
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Page 1: Table Of Contents
FAS/FHS240-336 Packaged Air-Handling Units with R-410A Refrigerant 60 Hz Installation, Start-up and Service Instructions Fan Shaft Position Adjustment ... . 30 CONTENTS Individual Fan Wheel Adjustment ..31 Page Fan Belts . -
Page 2: Safety Considerations
Fan Replacement ..... . . 54 WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe •... -
Page 3: Pre-Installation
PRE-INSTALLATION INSTALLATION 1. The power supply (v, ph, and Hz) must correspond to General that specified on unit rating plate. Allow the following clearances for service access and air- 2. The electrical supply provided by the utility must be flow: sufficient to handle load imposed by this unit. - Page 4 Fig. 1 — FAS/FHS Dimensions — Size 240...
- Page 5 Fig. 1 — FAS/FHS Dimensions — Size 240 (cont)
- Page 6 Fig. 2 — FAS Dimensions — Sizes 300 and 336...
- Page 7 Fig. 2 — FAS Dimensions — Sizes 300 and 336 (cont)
- Page 8 Table 1 — FAS240-336 Physical Data, English — Cooling Units UNIT FAS NOMINAL CAPACITY (Tons) OPERATING WEIGHT (lb) Base Unit with TXV 1050 1062 Plenum FANS Qty...Diameter (in.) 2...15 2...18 2...18 Nominal Airflow (cfm) 8,000 10,000 12,000 Airflow Range (cfm) 6,000-10,000 7,500-12,500 9,000-15,000...
- Page 9 Table 2 — FAS240-336 Physical Data, SI — Cooling Units UNIT FAS NOMINAL CAPACITY (kW) OPERATING WEIGHT (kg) Base Unit with TXV Plenum FANS Qty...Diameter (mm) 2...381 2...457 2...457 Nominal Airflow (L/s) 3775 4119 5663 Airflow Range (L/s) 2831-4719 3539-5899 4247-7079 Nominal Motor kW (Standard Motor) 208/230-3-60 and 460-3-60...
- Page 10 Table 3 — FHS240 Physical Data, English — Heat Pump Units UNIT FHS NOMINAL CAPACITY (Tons) OPERATING WEIGHT (lb) Base Unit with TXV Plenum FANS Qty...Diameter (in.) 2...15 Nominal Airflow (cfm) 8,000 Airflow Range (cfm) 6,000-10,000 Nominal Motor kW (Standard Motor) 208/230-3-60 and 460-3-60 575-3-60 Motor Speed (rpm)
- Page 11 Table 4 — FHS240 Physical Data, SI — Heat Pump Units UNIT FHS NOMINAL CAPACITY (kW) OPERATING WEIGHT (kg) Base Unit with TXV Plenum FANS Qty...Diameter (mm) 2...381 Nominal Airflow (L/s) 3775 Airflow Range (L/s) 2831-4719 Nominal Motor kW (Standard Motor) 208/230-3-60 and 460-3-60 3.73 575-3-60...
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Page 12: Unit Positioning
MODEL SERIES Position Number F = R-410A Fan Coil Unit A = Air Conditioning (Cooling Only) H = Heat Pump (size 240 only) Type S = Standard Efficiency Efficiency 240 = 20 Tons (2 circuit) 300 = 25 Tons (2 circuit; FAS units only) 336 = 30 Tons (2 circuit;... - Page 13 OVERHEAD SUSPENSION ACCESSORY — UNIT SIZE 25 OVERHEAD SUSPENSION ACCESSORY — UNIT SIZES 28, 30 NOTE: Dimensions in [ ] are millimeters Fig. 6 — Preferred Suspension Technique...
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Page 14: Unit Isolation
Unit Isolation The FAS/FHS direct-expansion units have internal facto- ry-installed thermostatic expansion valves (TXVs), dis- Where extremely quiet operation is essential, install iso- tributors, and nozzles for use with R-410A. See Table 5 lators between floor and base of unit, or between ceiling for part numbers. - Page 15 Equalizer Line Upper Sensing Split Bulb Solenoid Valve Sight Glass Airflow 15 Diams Diams 8 Diams Equalizer Line Filter Drier Sensing Lower Bulb Split Airflow 15 Diams Diams 8 Diams Indoor Coil LEGEND TXV — Thermostatic Expansion Valve NOTE: Component location arrangement shown for field installation of sight glasses, solenoid valves, filter driers, and TXV sensing bulbs.
- Page 16 Table 5 — Factory-Installed Nozzle and Distributor Data FEEDER TUBES PER TXV QTY...PART NO. DISTRIBUTOR QTY... UNIT COIL TYPE STD DISTRIBUTOR NOZZLE QTY...PART NO. PART NO. QTY...SIZE (IN.) FAS240 4 Row 2...BBIZE-8-GA 2...D196-18-3/16 18...3/16 2...G6 FAS300 4 Row 2...BBIZE-15-GA 2...1126 20...3/16 2...C15 FAS336...
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Page 17: Condensate Drain
Condensate Drain As shipped, the unit’s condensate drain pan is NOT sloped towards the drain connection. The pan slope must be Install a trapped condensate drain line to unit connection as changed to pitch towards the side of the unit with the drain shown in Fig. - Page 18 Table 7 — Electrical Data, Alternate Motors VOLTAGE LIMITS FAN MOTOR POWER SUPPLY UNIT V-PH-Hz a, b TYPE (kW) MOCP 3.73 18.0 208/230 3.73 18.0 HIGH 5.60 23.5 3.73 FAS240/ 3.73 FHS240 HIGH 5.60 15.0 3.73 3.73 HIGH 5.60 10.0 5.60 23.5 208/230...
- Page 19 Complete 24-v control circuit wiring. Wire the thermostat to TSTAT CB terminal block (see Fig. 15), according to Fig. 17 and the unit label diagram. If the air handler is part of a split system, complete the wiring from the condensing unit to the IDCB terminal block (see Fig.
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Page 20: 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, All units are factory shipped for 2-stage cooling operation. and Y3. A thermostat with 3 cooling stage capability is re- To convert a unit to 3-stage operation, see Fig. - Page 21 Fig. 17 — Unit Wiring...
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Page 22: 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 ventila- tion, cooling, 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 23 Variable Frequency Drive (VFD) Fig. 20 — ACS320 VFD Location for the following units: FAS240(H/L) and FHS240(H/L) (208/230V and 460V only) Variable Frequency Drive (VFD) Fig. 21 — ACS320 VFD Location for the following units: FAS300-336(H/L) (208/230V and 460V only)
- Page 24 Variable Frequency Drive (VFD) Fig. 22 — ACH580 VFD Location for the following units: FHS240(S) and FHS240(S) (575V only)
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Page 25: Connecting Ductwork
Variable Frequency Drive (VFD) Fig. 23 — ACH580 VFD Location for the following units: FAS300-336(S) (575V only) Connecting Ductwork are installed, connect them to the supply duct using a can- vas connection to prevent vibration. It is important that this Figure 24 shows recommended duct connection to units connection be properly fabricated to prevent high air friction with 2 fans. - Page 26 Fig. 24 — Typical Fan Discharge Connections for Multiple Fan Units Duct Flanges Fig. 25 — Duct Flange Installation...
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Page 27: Start-Up
START-UP Adjusting TXV for Superheat (FAS240-336 and FHS240) Before starting unit, check the following and correct as The unit-mounted thermostatic expansion valve(s) is/are necessary: factory set to provided superheat at the bulb location in • Is unit solidly supported? 10°F to 15°F (5.5°C to 8.3°C) range. Actual system load •... -
Page 28: Cooling With 2-Speed Indoor Fan Motor
Cooling with 2-Speed Indoor Fan Motor 11. Perform test and balance procedure. System 12. Adjust the supply fan speed according to the Pulley and Drive Adjustment section to deliver the project FIRST STAGE (Y1) selection cfm value. Ensure the selection cfm value Set the thermostat FAN switch to AUTO and the SYSTEM is not lower that the “Min cfm Per Fan Motor Type”... -
Page 29: Maintenance
Heating • Power wire connections • Fuses ready • Manual-reset limit switch is closed See Tables 9 and 10 for unit specific maintenance checklists. Seasonal Maintenance These items should be checked at the beginning of each season (or more often if local conditions and usage patterns dictate): AIR CONDITIONING •... -
Page 30: Service
Panels Table 10 — Indoor Unit Maintenance Checklist Panels are fastened to unit frame with sheet metal screws. Fan and coil compartment must be sealed tightly after ser- RECOMMENDED MAINTENANCE CHECKLIST vice to prevent air from bypassing the cooling coil. INTERVAL Indoor unit specific: (for accessories refer to Fan Motor Lubrication... -
Page 31: Individual Fan Wheel Adjustment
Individual Fan Wheel Adjustment Loosen the 2 locking bolts holding the fan wheel hub to Shaft Shaft shaft. (See Fig. 29.) Position fan wheel in center of the fan housing and tighten locking bolts. Clearance between Locking Locking wheel and housing should be the same on both sides. Collar Collar Fan Belts... -
Page 32: Fan Rotation
Fan Rotation Pulley and Drive Adjustment Correct fan rotation with respect to fan outlet is shown in To obtain desired fan speed, refer to the fan motor tables Fig. 32. (Tables 12-15), drive data tables (Tables 16-21) and per- formance data tables (Tables 22-28) and adjust fan motor pulley as follows: 1. - Page 33 Table 14 — Fan Motor Data, Standard Motor — SI Table 15 — Fan Motor Data, Alternate Motor — SI FAS240/ FAS240 UNIT FAS300 FAS336 UNIT FAS300 FAS336 FHS240 FHS240 208/230-3-60 and 460-3-60 208/230-3-60 and 460-3-60 Speed (r/s) 29.25 29.33 29.25 Speed (r/s) 29.33...
- Page 34 Table 18 — High-Static Drive Data, 60 Hz — English UNIT FAS240/FHS240 FAS300 FAS336 Motor Drive Motor Pulley Pitch Diameter (in.) 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 1-15/16 1-15/16 Belt No.
- Page 35 Table 20 — Medium-Static Drive Data, 60 Hz — SI UNIT FAS240/FHS240 FAS300 FAS336 Motor Drive Motor Pulley Pitch Diameter (mm) 109.2-134.6 109.2-134.6 109.2-134.6 Pulley Factory Setting Full Turns Open Fan Drive Pulley Pitch Diameter (mm) Pulley Bore (mm) 36.5 49.2 49.2 Belt No.
- Page 36 Table 22 — FAS/FHS Standard Fan Performance Data — 0.0-2.4 in. wg External Static Pressure — English EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW UNIT (cfm) 6,000 1.25 1.39 1.69 2.06 2.48 2.93 3.60 7,000 1.93 2.09 2.42 2.08 3.23 3.71 4.23 FAS240 8,000...
- Page 37 Table 24 — FAS/FHS Standard Fan Performance Data — 0-600 kPa External Static Pressure — SI EXTERNAL STATIC PRESSURE (kPa) AIRFLOW UNIT (L/s) 2830 8.86 0.94 9.48 1.04 10.65 1.26 11.84 1.53 13.01 1.85 14.10 2.19 15.08 2.53 3300 10.14 1.44 10.69 1.56 11.70...
- Page 38 Table 26 — FAS/FHS High-Capacity Fan Performance Data — 0.0-2.4 in. wg External Static Pressure — English EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW UNIT (cfm) 6,000 1.29 1042 1.72 2.09 2.51 2.95 3.40 7,000 1.99 2.15 2.48 2.85 3.28 3.76 4.27 FAS240 FHS240...
- Page 39 Table 28 — FAS/FHS High-Capacity Fan Performance Data — 0-600 kPa External Static Pressure — SI EXTERNAL STATIC PRESSURE (kPa) AIRFLOW UNIT (L/s) 2830 9.03 0.96 9.62 1.06 10.77 1.29 11.94 1.56 13.08 1087 14.15 2.20 15.12 2.54 3330 10.34 1.48 10.86 1.60...
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Page 40: Variable Frequency Drive
Variable Frequency Drive ACS320 VFD Terminal Strip The VFD switches the indoor fan motor speed between full/high speed (60 Hz motor operation) and reduced/low speed (40 Hz motor operation), as required by ASHRAE 90.1-2016 and IECC-2015 requirements for two-stage HVAC units. The VFD is factory-configured to match the current and power requirements for each motor selection and all wiring connections are completed by the factory;... -
Page 41: Indoor Fan Motor
INDOOR FAN MOTOR ALARMS The indoor fan motors used with the VFD are specially man- Alarms are advisory in nature. These indicate a problem ufactured for use with VFD power circuits. The motor wind- has been detected by the VFD’s diagnostics but this prob- ing insulation is specially formulated to resist breakdown lem will not require that the VFD and its motor be shut due to voltage stress issues. -
Page 42: Vfd Remote Keypad
VFD REMOTE KEYPAD START UP WITH ASSISTANT Initial start-up has been performed at the factory. Use of the NOTE: The following only applies when a unit with the fac- start up assistant will override factory VFD configurations. tory-installed 2-Speed Indoor Fan Motor System option is equipped with the field-installed Remote VFD Keypad (Part Number: CRDISKKIT001A00) ACS320 or (Part CAUTION... -
Page 43: Parameters Mode
7. Choose another parameter or press EXIT (SOFT KEY 1) to return to the listing of parameter groups. 60.0Hz Continue until all the parameters have been config- 100.0 %SP ured and then press EXIT (SOFT KEY 1) to return to the main menu. -
Page 44: Clock Set Mode
Download All Parameters (SOFT KEY 2) to save the configuration and return to the Clock Set menu. To download all parameters from the control panel to the 5. Use the UP or DOWN keys to highlight TIME FORMAT VFD, perform the following procedure: and press SEL (SOFT KEY 2). -
Page 45: Alarms (Green Led Flashing)
ALARMS (GREEN LED FLASHING) the value of parameter 1604 (FAULT RESET SELECT), digital input or serial communication could also be used For less severe errors, called alarms, the diagnostic display to reset the drive. When the fault has been corrected, the is advisory. - Page 46 Table 34 — ACS320 Fault Codes FAULT FAULT NAME IN PANEL DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION CODE Output current is excessive. Check for excessive motor load, insufficient acceleration time (parameters 2202 ACCELER OVERCURRENT TIME 1, default 30 seconds), or faulty motor, motor cables or connections. Intermediate circuit DC voltage is excessive.
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Page 47: Reset After Using Start-Up Assistant
Table 34 — ACS320 Fault Codes (cont) FAULT FAULT NAME IN PANEL DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION CODE Parameter values for power control are inconsistent: Improper motor nominal kVA or motor nominal power. Check the following parameters: 1005 PAR PCU 2 1.1 <... -
Page 48: Ach580 Operation With Remote Keypad
ACH580 Operation with Remote Keypad FIRST START ASSISTANT The VFD keypad is shown in Fig. 39 and 40. The functions Initial start-up has been performed at the factory. Use of the of the Left and Right Softkeys ( ) change de- start up assistant will override factory VFD configurations. -
Page 49: Start Up By Changing Parameters
START UP BY CHANGING PARAMETERS The bottom corners of the LCD display show the functions currently assigned to the two soft keys. The lower middle INDIVIDUALLY displays the current time (if configured to show the time). Initial start-up is performed at the factory. To start up The first time the drive is powered up, it is in the OFF the VFD by changing individual parameters, perform mode. -
Page 50: Parameters Mode
PARAMETERS MODE The second option downloads only the application parame- ters to the drive. This is recommended when using the The Parameters mode is used to change the parameters same application for drives of different sizes. Parameters on the drive. To change parameters, perform the following 99.07, 99.06, 99.08, 99.09, 99.10, and group 51 parameters procedure: and internal motor parameters are not copied. -
Page 51: Clock Set Mode
CLOCK SET MODE ACH580 VFD Diagnostics Use the clock set mode to set the date and time for the in- The drive detects error situations and reports them using: ternal clock of the VFD. In order to use the timer functions of •... - Page 52 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 53 Table 35 — 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.
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Page 54: Vfd Maintenance
VFD MAINTENANCE If installed in an appropriate environment, the VFD requires very little maintenance. Table 36 lists the recommended routine maintenance intervals. Table 36 — Maintenance Intervals MAINTENANCE INTERVAL Every 6 to 12 months Heat sink temperature check (depending on the dustiness of and cleaning the environment) Remote keypad battery change Every ten years... - Page 55 6. Unplug the fan power supply wires from the drive (see Fig. 50). 7. Pull off the fan. 8. Install the new fan in reverse order. NOTE: Make sure that the arrow on the fan points to the same direction as the arrow on the drive frame. Fig.
- Page 56 6. Free the fan cable from the clip in the fan holder (see Fig. 52). 7. Remove the fan from the holder (see Fig. 52). 8. Install the new fan in reverse order. 9. Restore power. Fig. 52 — Remove Fan from Holder Fig.
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Page 57: Coil Removal
Unit with Fuse and VFD Control Indoor Fuse Motor Ground Unit without VFD Fan Deck Control Indoor Fuse Motor Ground Fan Deck NOTE: Standard fuses need to be replaced with Slow Blow Fuses for bypass. Fig. 53 — To Bypass ACS320 VFD on Fused Units — FAS/FHS***(H/L) Units (208/230-3-60 and 460-3-60) Condensate Drains Cleaning Cooling Coil... -
Page 58: 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: 1. Remove the side access panel (retain screws). 2. Remove the filter retainer clip (see Fig. 54). 3. -
Page 59: Appendix A - Vfd Parameters
APPENDIX A — VFD PARAMETERS Table A — ACS320 Common Parameters Table B — ACH580 VFD Common Parameters PARAMETERS DESCRIPTION SETTING ACS320 PARAMETERS DESCRIPTION SETTING ACH580 1001 EXT1 Commands 10.30 Relay out 3 (15) FAULT (–1) 1102 EXT1/EXT2 Sel EXT1 12.17 Minimum AI1 0.2V... - Page 60 APPENDIX A — VFD PARAMETERS (cont) Table C — ACS320 VFD Parameters, for FAS/FHS 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 61 APPENDIX A — VFD PARAMETERS (cont) Table E — ACS320 VFD Parameters — FAS240-336(H/L) and FHS240(H/L) (208/230V and 460V units only) MOTOR CONST CONST CONST CONST REPLACEMENT MOTOR VFD PART VOLTS SPEED SPEED SPEED SPEED COMPONENT DESCRIPTION PART AMPS NUMBER (9905) FREQ PART NUMBER...
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Page 62: Replaces: Fasfhs240-336-02Si
© 2024 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Form No. FASFHS240-336-03SI Pg 62 2-24 Replaces: FASFHS240-336-02SI... -
Page 63: Start-Up Checklist
START-UP CHECKLIST Split Systems with FAS/FHS 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 64 Check the compressor oil level sight glasses: are the sight glasses showing oil level at 1/8 to 1/3 full? (Y/N)___________ NOTES: ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ © 2024 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Form No. FASFHS240-336-03SI Pg CL-2 2-24 Replaces: FASFHS240-336-02SI...
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