Carrier Gemini Select 09RCS020-030 Installation, Start-Up And Maintenance Instructions
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Carrier Gemini Select 09RCS020-030 Installation, Start-Up And Maintenance Instructions

Carrier Gemini Select 09RCS020-030 Installation, Start-Up And Maintenance Instructions

Air-cooled condensing units
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Installation, Start-Up and Maintenance
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Step 1 - Inspect Shipment . . . . . . . . . . . . . . . . . . . . 3
Step 2 - Rig and Place Unit . . . . . . . . . . . . . . . . . . . 3
Step 5 - Check Condenser Fans . . . . . . . . . . . . . . 42
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Step 7 - Install Accessories . . . . . . . . . . . . . . . . . . 52
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
System Evacuation and Dehydration . . . . . . . . . . . 54
Preliminary Charge . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Adjust Refrigerant Charge . . . . . . . . . . . . . . . . . . . . 56
Head Pressure Control . . . . . . . . . . . . . . . . . . . . . . . 56
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53090042-01
Printed in U.S.A.
Form No. 09RC-1SI
09RCS020-030 and 09RCM035-230
Air-Cooled Condensing Units
Recommended Maintenance Schedule . . . . . . . . . .57
Page
• REMOVE SURFACE-LOADED FIBERS
• PERIODIC CLEAN WATER RINSE
• ROUTINE CLEANING OF COIL SURFACE

SAFETY CONSIDERATIONS

Installing, starting up, and servicing air-conditioning equipment
can be hazardous due to system pressures, electrical components,
and equipment location.
This appliance is not to be used by persons (including children)
with reduced physical, sensory, or mental capabilities, or lack of
experience and knowledge, unless they have been given supervi-
sion or instruction. Children shall be supervised not to play with
the appliance.
Only trained, qualified installers and service mechanics should
install, start up, and service this equipment.
Untrained personnel can perform basic maintenance functions,
such as cleaning coils. All other operations should be performed
by trained service personnel. Qualified installers and service
technicians are required to have been trained on the following
topics when installing and servicing air-conditioning equipment
with A2L refrigerant such as R-32:
1.
Explosive potential of A2L refrigerants
2.
Potential ignition sources
3.
Safety measures for unventilated and ventilated rooms or
enclosures
4.
Refrigerant detectors
5.
Concept of sealed components and sealed enclosures
according to IEC 60079-15:2010
6.
Correct work procedures for the following:
a. Commissioning
b. Maintenance
c. Repair
d. Decommissioning
e. Disposal
When working on the equipment, observe precautions in the
literature and on tags, stickers, and labels attached to the
equipment.
1.
Follow all safety codes.
2.
Keep quenching cloth and fire extinguisher nearby when
brazing.
3.
Wear safety glasses and work gloves.
4.
Use care in handling, rigging, and setting bulky equipment.
It is important to recognize safety information. This is the
safety-alert symbol
Gemini™ Select
. When you see this symbol on the unit and
Pg 1
1-25
50/60 Hz
Replaces: NEW

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  • Page 1: Table Of Contents

    Gemini™ Select 09RCS020-030 and 09RCM035-230 Air-Cooled Condensing Units 50/60 Hz Installation, Start-Up and Maintenance Instructions CONTENTS Recommended Maintenance Schedule ..57 Condenser Coil Maintenance and Cleaning ..57 Page •...
  • Page 2 in instructions or manuals, be alert to the potential for personal injury. WARNING Understand the signal words DANGER, WARNING, CAUTION, Electrical shock can cause personal injury and death. Shut off and NOTE. These words are used with the safety-alert symbol. all power to this equipment during installation.

  • Page 3: Installation

    Appliance should not be located within 20 ft (6.1 m) of an opening to an occupied space. WARNING The maximum altitude intended for this appliance is 10,000 ft (3048 m). DO NOT use means to accelerate the defrosting process, or to clean, other than those recommended by the manufacturer.
  • Page 4 09RC – 09RC – Split System Condenser Packaging/Security Options 0 – Coil Face Shipping Protection (CFSP) 1 – Coil Trim Panels, CFSP Refrigeration Circuit Options 2 – Coil Trim Panels, Security Grilles, CFSP M – Single/Dual Refrigeration Circuit 3 – Coil Trim Panels, Security Grilles, S –...
  • Page 5 Table 1 — 09RC 020-060 Units — English 09RC UNIT SIZE 09RCS020 09RCS030 09RCS035 09RCM050 09RCM060 CIRCUIT Single Single Single Dual Single Dual Single CHASSIS DIMENSIONS Length (in.) 88.3 88.3 97.8 97.8 97.8 Width (in.) 46.1 46.1 88.3 88.3 88.3 Height (in.) 66.5 78.5...
  • Page 6 Table 2 — 09RC 020-060 Units — SI 09RC UNIT SIZE 09RCS020 09RCS030 09RCS035 09RCM050 09RCM060 CIRCUIT Single Single Single Dual Single Dual Single CHASSIS DIMENSIONS Length (mm) 2 242 2 242 2 485 2 485 2 485 Width (mm) 1 170 1 170 2 242...
  • Page 7 Table 3 — 09RC 080-145 Units — English 09RC UNIT SIZE 09RCM080 09RCM095 09RCM115 09RCM130 09RCM145 CIRCUIT Dual Single Dual Single Dual Single Dual Single Dual Single CHASSIS DIMENSIONS Length (in.) Width (in.) Height (in.) UNIT WEIGHTS (lb) MCHX Standard 2521 3372 3425...
  • Page 8 Table 4 — 09RC 080-145 Units — SI 09RC UNIT SIZE 09RCM080 09RCM095 09RCM115 09RCM130 09RCM145 CIRCUIT Dual Single Dual Single Dual Single Dual Single Dual Single CHASSIS DIMENSIONS Length (mm) 2 678 3 872 5 066 Width (mm) 2 236 Height (mm) 2 513 UNIT WEIGHTS (kg)
  • Page 9 Table 5 — 09RC 160-230 Units — English 09RC UNIT SIZE 09RCM160 09RCM170 09RCM185 09RCM200 09RCM230 CIRCUIT Dual Single Dual Single Dual Single Dual Single Dual Single CHASSIS DIMENSIONS Length (in.) Width (in.) Height (in.) UNIT WEIGHTS (lb) MCHX Standard 5271 5335 6182...
  • Page 10 Table 6 — 09RC 160-230 Units — SI 09RC UNIT SIZE 09RCM160 09RCM170 09RCM185 09RCM200 09RCM230 CIRCUIT Dual Single Dual Single Dual Single Dual Single Dual Single CHASSIS DIMENSIONS Length (mm) 6 260 7 454 8643 Width (mm) 2 236 Height (mm) 2 513 UNIT WEIGHTS (kg)

  • Page 11: Domestic Units

    DOMESTIC UNITS unit is in proper location, use of mounting holes in base rails is recommended for securing unit to supporting structure. Fasteners Standard 09RC unit packaging consists of coil protection only. for mounting unit are field supplied. See Fig. 3 and 4. Skids are not provided.
  • Page 12 Table 7 — 09RC Unit MCHX Condenser Coil (lb) 09RC OPERATIONAL CORNER WEIGHT TOTAL UNIT WEIGHT SIZE — — — — — — — — — — — — 1212 — — — — — — 1484 — — — —...
  • Page 13 Table 9 — 09RC Unit RTPF Condenser Coil (lb) 09RC OPERATIONAL CORNER WEIGHT TOTAL UNIT WEIGHT SIZE — — — — — — 1019 — — — — — — 1322 — — — — — — 1594 — — —...
  • Page 14 LEGEND MCHX — Microchannel Heat Exchanger RTPF — Round Tube, Plate Fin (Condenser Coil) Fig. 3 — Rigging Label (Sizes 020 to 060)
  • Page 15 09RCA080, 095, 115, 130, 145 09RCA230 09RCA160, 170 09RCA185, 200 Max Shipping Max Shipping Max Shipping Max Shipping Center of Gravity Wt w/o Packaging Wt with Packaging Wt w/o Packaging Wt with Packaging Lifting Holes Model Number Model Number Model Number Model Number Model Number Position 10 =...
  • Page 16 Fig. 5 — Unit Dimensions — 09RC020-030 Units...
  • Page 17 Fig. 6 — Unit Dimensions — 09RC035 Units...
  • Page 18 Fig. 7 — Unit Dimensions — 09RC050-060 Units...
  • Page 19 Fig. 8 — Unit Dimensions — 09RC080 Units...
  • Page 20 Fig. 9 — Unit Dimensions — 09RC095 Units...
  • Page 21 Fig. 10 — Unit Dimensions — 09RC130 Units...
  • Page 22 Fig. 11 — Unit Dimensions — 09RC160 Units...
  • Page 23 Fig. 12 — Unit Dimensions — 09RC170 Units...
  • Page 24 Fig. 13 — Unit Dimensions — 09RC185 Units...
  • Page 25 Fig. 14 — Unit Dimensions — 09RC230 Units...
  • Page 26 OFM1 OFM1 OFM1 OFM1 OFM1 OFM1 OFM1 OFM1 OFM1 OFM1 OFM1 OFM1 OFM3 OFM3 OFM3 OFM3 OFM3 OFM1 OFM1 OFM1 OFM1 OFM1 OFM1 OFM1 OFM2 OFM2 OFM2 OFM2 OFM2 OFM2 OFM3 OFM2 OFM2 OFM2 OFM2 OFM2 OFM2 OFM2 OFM2 OFM2 OFM2 OFM2 OFM4...
  • Page 27 OFM3 OFM3 OFM5 OFM7 OFM7 OFM9 OFM1 OFM1 OFM5 OFM5 OFM8 OFM10 OFM2 OFM4 e 160 OFM3 OFM3 OFM5 OFM5 OFM5 OFM7 OFM7 OFM9 OFM1 OFM1 OFM8 OFM10 OFM2 OFM5 OFM6 OFM4 Size 170 OFM3 OFM3 OFM5 OFM7 OFM5 OFM9 OFM11 OFM7 OFM1...
  • Page 28 3. All wiring must comply with applicable local and national codes. 4. All piping must follow standard piping techniques. Refer to Carrier System Design Manual part 3, Carrier E20-II software Refrigerant Piping program, or appropriate ASHRAE (American Society of Heating, Refrigerating, and Air Conditioning Engineers) handbook for details on proper piping sizes and design.
  • Page 29 3. All wiring must comply with applicable local and national codes. 4. All piping must follow standard piping techniques. Refer to Carrier System Design Manual part 3, Carrier E20-II software Refrigerant Piping program, or appropriate ASHRAE (American Society of Heating, Refrigerating, and Air Conditioning Engineers) handbook for details on proper piping sizes and design.

  • Page 30: Mounting Unit

    MOUNTING UNIT NOTE: The 1.46 in. (37 mm) dimension in Fig. 20 is not the same dimension as the 1.48 in. (37.5 mm) flange that is turned under the The unit may be mounted on a level pad directly on the base rails, base rail in Fig.
  • Page 31 Fig. 20 — 09RC Mounting Plates...

  • Page 32: Step 3 - Complete Refrigerant Piping

    guidelines shall be followed. If in doubt, consult the manu- Step 3 — Complete Refrigerant Piping facturer’s technical department for assistance. A2L REFRIGERANT SAFETY MEASURES The following checks to the air-conditioning equipment Qualification of Workers shall also apply when using A2L refrigerants: Qualified installers and service technicians are required to have a.

  • Page 33: General

    R-513A condensing units. cal Refrigeration. Fan cycle pressure switches are to be installed on the discharge For leak testing procedures, refer to the Carrier “Refrigerant Ser- lines. Do not remove Schraeder valves from fittings. See vice Techniques” book, Form SM-1A.
  • Page 34 Fan Cycle Pressure Switch (FCPS) Pressure Transducer Fig. 21 — Unit Piping — Sizes 020-030 Circuit - A Fan Cycle Pressure Switch (FCPS) Pressure Transducer Circuit - B Fan Cycle Pressure Switch (FCPS) Pressure Transducer Fig. 22 — Unit Piping — Sizes 035-060...

  • Page 35: Evacuation And Dehydration

    Fan Cycle Pressure Switch or Fan VFD Pressure Transducer Location Circuit B Fan Cycle Pressure Switch or Fan VFD Presure Transducer Location Circuit A Fig. 23 — Unit Piping — Sizes 080-230 (115 shown) 1/4 in. SAE Flare with 0.56 (14.2 mm) HEX Conduit Connector Tubing Package Fig.

  • Page 36: Refrigerant Line Sizing

    that no moisture is present in the system, perform a standing When 09RC condensers are applied with minimum charge, they vacuum-rise test. do not provide positive subcooling. If subcooling is required, it must be obtained by external means such as a liquid suction inter- With the unit in deep vacuum (500 microns or less), isolate the changer.

  • Page 37: Step 4 - Make Electrical Connections

    Condenser operation on improper line voltage or excessive phase CAUTION imbalance may be considered abuse and any resulting damage may not be covered by Carrier warranty. Proper rotation of condenser fan(s) MUST be verified. Failure All wiring must be in accordance with local or NEC regulations.
  • Page 38 Fig. 27 — Unit Field Power Wiring...
  • Page 39 Table 13 — 09RC 020-060 Electrical Data a,b,c,d,e,f UNIT VOLTAGE CONDENSER FAN FIXED SPEED GREENSPEED Single/ UNIT Supplied Fixed Dual Total Greenspeed 30XV V(3 Ph) Speed MOCP FUSE MOCP FUSE SIZE SIZE Single 208/230 12.4 12.4 Single Single Single Single 380/415 Single 208/230...
  • Page 40 Table 14 — 09RC 080-230 Electrical Data a,b,c,d,e,f UNIT VOLTAGE CONDENSER FAN FIXED SPEED GREENSPEED Single/ UNIT Supplied Fixed Dual Total Greenspeed 30XV V(3 Ph) Speed MOCP FUSE MOCP FUSE SIZE SIZE Dual 208/230 10.6 23.4 45.1 Dual 13.2 24.7 Dual 11.1 20.4...

  • Page 41: Checks To Electrical Devices

    Table 15 — Unit Incoming Power Options UNIT INCOMING POWER OPTION Standard Terminal High SCCR Terminal Block Option Standard and High SCCR Disconnect Option MOCP VALUE Block Option High SCCR Max Wire Size MinWire Size Wire Size Wire Size Wire Size Wire Size Fuse Type 100 A or less...

  • Page 42: Step 5 - Check Condenser Fans

    Main Control FCPS and Power Wiring Greenspeed Wiring Transducer Wiring 09RC020-060 UNITS Control Main FCPS and Wiring Power Greenspeed Wiring Transducer Wiring 09RC065-230 UNITS Fig. 32 — Control Box Entry Points Fig. 30 — 09RC035-230 with 30HX Control Circuit Wiring 09RC020-025 JUMPER REQUIRED...

  • Page 43: Step 6 - Configure Optional Greenspeed

    each VFD is controlled independently by the liquid line transducer reading for each circuit. IMPORTANT: Check proper rotation (counterclockwise when viewed from above). If necessary, SINGLE CIRCUIT APPLICATIONS (09RCM050-230) switch any 2 power leads to reverse fan rotation. For 09RCM050-160 - 230V, 09RCM050-230 all other voltages, there are two VFD drives in the unit.
  • Page 44 Fig. 36 — Greenspeed Controller Wiring (09RC060 Units Shown)
  • Page 45 Fig. 37 — 09RC020-060 Power Schematic & Component Arrangement...
  • Page 46 Fig. 38 — 09RC080-145 Fixed Speed Fan Control...
  • Page 47 Fig. 39 — 09RC160-230 (230-v) Aquasnap with Greenspeed Controller...
  • Page 48 Fig. 40 — 09RC080-145 (All Voltages), 09RC160-230 (380-v, 460-v, 575-v) Aquasnap with Greenspeed Controller...

  • Page 49: Drive Programming

    Press the OK button and the value will flash. It is strongly recommended that the user NOT change any pro- Use the up and down arrows on the display to change the gramming without consulting Carrier service personnel. Unit setting. damage may occur from improper programming.
  • Page 50 Table 17 — Greenspeed Controller Program Parameters for Operating Modes PARAMETER FUNCTION FACTORY SETTING UNIT NOTES 0-03 Regional Settings North America Default settings for 60Hz mains 1-00 Configuration Mode [3] Process Closed Loop 1-01 Motor Control Principle [1] VVC+ 1-03 Torque Characteristics [1] Variable Torque 1-22...
  • Page 51 Table 17 — Greenspeed Controller Program Parameters for Operating Modes (cont) PARAMETER FUNCTION FACTORY SETTING UNIT NOTES 208-230V 60 Hz 1-22 Motor Voltage Motor Nameplate 1-23 Motor Frequency Motor Nameplate = 6.6 x the number of motors in each VFD for 09RC020-060 1-24 Motor Current...

  • Page 52: Step 7 - Install Accessories

    Step 7 — Install Accessories LOW-AMBIENT OPERATION If operating temperatures below those found in Tables 18 and 19 are expected, Greenspeed fan control is recommended. a,b,c Table 18 — Minimum Outdoor-Air Operating Temperature — English MINIMUM AMBIENT (F) 09RC UNIT SIZE TD (F) 100% Capacity 75% Capacity...
  • Page 53 Table 19 — Minimum Outdoor-Air Operating Temperature — SI a,b,c MINIMUM AMBIENT (C) 09RC UNIT SIZE TD (C) 100% Capacity 75% Capacity 50% Capacity 25% Capacity 16.7 –2.78 3.26 10.14 17.22 13.9 1.67 6.70 12.43 18.33 11.1 6.11 10.14 14.72 19.44 16.7 –2.78...

  • Page 54: Start-Up

    If a leak is suspected, all exposed flames shall be START-UP removed/extinguished. If a leakage of refrigerant is found that re- System Evacuation and Dehydration quires brazing, all of the refrigerant shall be recovered from the system or isolated (by means of shut off valves) in a part of the Refer to GTAC II (General Training Air Conditioning), Module 4, system remote from the leak.

  • Page 55: Recovery

    When breaking into the refrigerant circuit to make repairs – or for The recovery equipment shall be in good working order with a set any other purpose – conventional procedures shall be used. How- of instructions concerning the equipment that is at hand and shall ever, for flammable refrigerants it is important that best practice be be suitable for the recovery of the flammable refrigerant.

  • Page 56: Adjust Refrigerant Charge

    With all fans operating and all compressors on the circuit being Adjust Refrigerant Charge serviced operating at full capacity, adjust the refrigerant charge to obtain desired subcooling. Charge vapor into compressor low-side service port. Measure pressure at the liquid line port, making sure CAUTION a Schrader depressor is used.

  • Page 57: Maintenance

    This cleaner is avail- cleaner solution to all coil surfaces, including finned area, able from Carrier Replacement Parts division as part number tube sheets, and coil headers. P902-0301 for a one gallon container and part number P902-0305 Hold garden sprayer nozzle close to finned areas and apply for a 5 gallon container.
  • Page 60 © 2025 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53090042-01 Printed in U.S.A. Form No. 09RC-1SI Pg 60 1-25 Replaces: NEW...

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