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Installation, Operation,
and Maintenance
Variable Refrigerant Flow (VRF) System
Circular Cassette Indoor Unit Series
Models:
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing
of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and
training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags,
stickers, and labels that are attached to the equipment.
January 2017
4TVS0009B100NA
4TVS0012B100NA
4TVS0018B100NA
4TVS0024B100NA
4TVS0030B100NA
4TVS0036B100NA
4TVS0048B100NA
SAFETY WARNING
VRF-SVX042A-EN
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Summary of Contents for Ingersoll-Rand 4TVS0009B100NA
- Page 1 Installation, Operation, and Maintenance Variable Refrigerant Flow (VRF) System Circular Cassette Indoor Unit Series Models: 4TVS0009B100NA 4TVS0012B100NA 4TVS0018B100NA 4TVS0024B100NA 4TVS0030B100NA 4TVS0036B100NA 4TVS0048B100NA SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
- Page 2 Introduction Warnings, Cautions, and Notices Safety advisories appear throughout this manual as required.Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions. The three types of advisories are defined as follows: Indicates a potentially hazardous situation which, if not avoided, could result in WARNING death or serious injury.
- Page 3 Introduction WARNING Personal Protective Equipment (PPE) Required! Failure to wear proper PPE for the job being undertaken could result in death or serious injury. Technicians, in order to protect themselves from potential electrical, mechanical, and chemical hazards, MUST follow precautions in this manual and on the tags, stickers, and labels, as well as the instructions below: •...
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Page 4: Table Of Contents
Table of Contents Model Number Description ..........6 Preparing for Installation . - Page 5 Operating Mode for Heat Pump Systems ......39 Maintenance ............40 Cleaning the Unit Exterior .
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Page 6: Model Number Description
3Model Number Description Digit 1: Refrigerant 4 = R-410A Digit 2: Brand name T =Trane Digit 3: System type V = Variable refrigerant flow Digit 4: Configuration type S = Circular cassette Digit 5: Reserved for future use 0 = Not currently used Digit 6, 7, 8: Nominal capacity (Btu/h x 1,000) 09 = 9,000 Btu/h 30 = 30,000 Btu/h... -
Page 7: Preparing For Installation
Care should be taken to prevent harmonics generated by loose or unsupported material in close proximity to a running unit. • The unit must not be installed in an area that is exposed to salt, machine oil, sulfide gas, or corrosive environmental conditions. Unit Dimensions 4TVS0009B100NA 4TVS0030B100NA 4TVS0012B100NA 4TVS0036B100NA Dimension/Weight/Diameter 4TVS0018B100NA 4TVS0024B100NA... - Page 8 Preparing for Installation Figure 1. Dimensions for square cassette panel (ceiling type): 4TVS0009B100NA, 4TVS0012B100NA, 4TVS0018B100NA, 4TVS0024B100NA 7-7/8 or less 12-1/2 14-3/4 39-1/2 25-1/2 (suspension position) 37-1/2 – 37-3/4 (ceiling opening) 32-1/2 15-1/4 1-1/4 1-1/4 15-3/4 Note: Requires use of square cassette panel PNLRNDCASS001S, ordered separately.
- Page 9 Preparing for Installation Figure 2. Dimensions for round cassette panel (open type): 4TVS0009B100NA, 4TVS0012B100NA, 4TVS0018B100NA, 4TVS0024B100NA 7-7/8 or less 4-3/4 12-1/2 14-1/4 39-1/2 25-1/2 (suspension position) 41-1/2 32-1/2 15-1/4 2-1/4 2-1/4 15-3/4 Note: Requires use of round cassette panel PNLRNDCASS001R, ordered separately.
- Page 10 Figure 3. Dimensions for square cassette panel (ceiling type): 4TVS0030B100NA, 4TVS0036B100NA, 4TVS0048B100NA 7-7/8 or less 12-1/2 14-3/4 39-1/2 25-1/2 (suspension position) 37-1/2 – 37-3/4 (ceiling opening) 15-1/4 32-1/2 1-1/4 1-1/4 15-3/4 Note: Requires use of square cassette panel PNLRNDCASS001S, ordered separately. Legend: 1: Refrigerant gas pipe Suction rim for booster fan...
- Page 11 Preparing for Installation Figure 4. Dimensions for round cassette panel (open type): 4TVS0030B100NA, 4TVS0036B100NA, 4TVS0048B100NA 7-7/8 or less 12-1/2 14-1/4 39-1/2 25-1/2 (suspension position) 41-1/2 15-1/4 32-1/2 2-1/4 2-1/4 15-3/4 Note: Requires use of round cassette panel PNLRNDCASS001R, ordered separately. Legend: 1: Refrigerant gas pipe Suction rim for booster fan...
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Page 12: Service Clearances
Preparing for Installation Service Clearances The indoor unit must be installed according to clearances specified in this section in order to permit accessibility from each side and to guarantee correction operation, maintenance, and unit repair. Unit: inch Indoor unit 6/16 13/16 98-1/2 or more 59-1/8... -
Page 13: Installation
Use the circumference dimensions in the following table as a guide for insulation measurements. Cut away the insulation where the pipes protrude. Use separate insulation for curved areas and pipe ends. Unit model Circumference 4TVS0009B100NA 4TVS0012B100NA 102-3/4 x 5-1/8 in. 4TVS0018B100NA 4TVS0024B100NA... -
Page 14: Inspection Holes
Installation Inspection Holes If the indoor unit is installed in a hard ceiling, such as drywall, inspection holes must be made in the ceiling for installation and maintenance. For details, refer to the following table and figure: Inspection holes in relation to ceiling type Recessed in drop ceiling Panel type Recessed in hard ceiling... - Page 15 Installation b. Round panel (open type), install two inspection holes that provide access to the connection points of the refrigerant pipe and the drain hose and the indoor unit display. Inspection hole Refrigerant pipe Indoor unit display Inspection hole 3. Determine the appropriate type of suspension bolts and anchors according to the ceiling type. Insert bolt anchors into existing ceiling supports (A) or construct a suitable support (B).
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Page 16: Purging The Unit
Installation Ceiling Indoor unit For the recessed installation of the square panel: 1/2 inch Gauge For the recessed installation of the circular panel: 1-5/8 inch Adjust the level of the unit with a leveler. Purging the Unit The unit is shipped from the factory with a holding charge of nitrogen. All of this gas must be purged from the unit. -
Page 17: Installing Refrigerant Piping
Installation Installing Refrigerant Piping Connect field-supplied piping using flared connections (not supplied) or by brazing.The large unit port is for gas refrigerant; the small one is for liquid refrigerant. Cut or extend field-supplied piping as needed. Use the following procedures. NOTICE System Failure! If brazing is used for pipe connections, a nitrogen purge is required to prevent the formation of... - Page 18 Installation Conventional flare tool R-410A clutch type Clutch type Wing nut type 0–0.020 in. 0.04–0.06 in. 0.06–0.08 in. 3. Attach the yoke to the flaring bar, centering the conical part over the end of the pipe that is extending above the flaring bar. 4.
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Page 19: Leak Testing Refrigerant Pipe Connections
Installation Leak Testing Refrigerant Pipe Connections WARNING Confined Space Hazards! Do not work in confined spaces where refrigerant or other hazardous, toxic or flammable gas may be leaking. Refrigerant or other gases could displace available oxygen to breathe, causing possible asphyxiation or other serious health risks. Some gases may be flammable and or explosive. -
Page 20: Insulating Refrigerant Pipes
Installation Insulating Refrigerant Pipes After determining that there are no leaks in the refrigerant piping system, insulate the refrigerant piping as described in this section. 1. Use the table below to select the insulation type for each pipe size. Insulation Type Standard conditions High humidity conditions (86°F [30°C], 85%) -
Page 21: Installing The Drain System
Installation Installing the Drain System 1. Push the supplied drain hose as far as possible over the drain hose port. • Do not apply excessive force to the piping on the unit side when connecting the drain hose. • Drain hose port locations differ depending on the unit type. Drain connection Drain hose Drain hose port... - Page 22 Installation • Do not install the hose with an upward gradient after the connection port or leaks will result. Drain hose Ceiling • The hose should not be allowed to hang loose from its connection to the unit. Fasten the hose to a wall, frame or other support as close to the unit as possible.
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Page 23: Centralized Drainage
Installation Centralized Drainage If the installation requires more than three indoor units, install the main air vent at the front of the indoor unit that is farthest from the main drain. It may be necessary to install individual air vents to prevent water flowing back to each indoor unit. See figure below. -
Page 24: Wiring The Unit
Wiring the Unit Precautions Observe the following precautions when making electrical connections. WARNING Hazardous Voltage! Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/tagout procedures to ensure the power can not be inadvertently energized. Failure to disconnect power before servicing could result in death or serious injury. NOTICE Use Copper Conductors Only! Unit terminals are not designed to accept other types of conductors. - Page 25 Wiring the Unit 5. Route the communication wires (F1 and F2) and, if applicable, the wired remote control wires (F3 and F4) through the wire guides to the opposite side of the control board. 6. Re-secure the control box cover and reattach the fan shroud assembly with the original three screws (note the alignment of the signal receiver through the opening in the shroud).
- Page 26 Wiring the Unit Figure 7. Power and communication cable routing Power cable Communication cable Figure 8. Conduit bracket installation Cable insert hole Push Single conduit Two conduits VRF-SVX042A-EN...
- Page 27 Wiring the Unit Figure 9. Wiring terminals Indoor unit Outdoor unit communication terminals To circuit breaker or disconnect VRF-SVX042A-EN...
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Page 28: Configuration
Configuration All indoor units are factory configured. If modifications are required,The VRFTechnician Utilities Tool (TUT) is strongly recommended. However, any of the following devices can be used: • Technician UtilitiesTool (TUT) (instructions follow) • Wireless Remote Control (instructions follow) • Wired Remote Control (refer to VRF-SVN59* for instructions) Note: Configuration changes are not required for typical installations. -
Page 29: Using The Wireless Remote Control
Configuration Using the Wireless Remote Control To configure the system using the Wireless Remote Control, follow this procedure: 1. Remove the batteries from the remote control, and re-insert them while pressing theTemp and Timer buttons simultaneously (refer to Figure 10, p. 30). - Page 30 Configuration b. Restore the wireless remote control to normal operating mode by removing the batteries from the remote controller. Press the Power button on the remote controller.Then re-insert the batteries. Figure 10. Wireless Remote Control Display Power button Mode button Wheel Temperature button...
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Page 31: The 2-Digit Segments
Configuration The 2-Digit Segments Each 2-digit segment is differentiated from the others by a combination of operation mode and timer on/off icons as shown in Figure Use digit 2 (shown in red in Figure 11) to set the wireless remote to Installation Option #1. Figure 11. -
Page 32: Installation Option #1
Configuration Installation Option #1 When digit 2 is set to a value of “2, ” the options shown in Table 1 can be set to the values in the right column. Table 1. Installation option #1: Digit 2 = 2 Display screen (mode and... - Page 33 Configuration Table 1. Installation option #1: Digit 2 = 2 (continued) Display screen (mode and On/Off) Digit Option description Set digit to... 0: Default EEV position Adjusted EEV position of D11 D12 Thermo Off unit 1: Reduced EEV position Factory set to 2 Cannot be changed.
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Page 34: Installation Option #2
Configuration Table 1. Installation option #1: Digit 2 = 2 (continued) Display screen (mode and On/Off) Digit Option description Set digit to... Adjusted EEV position of 0: Default EEV position Thermo Off unit during oil 1: Reduced EEV position return/defrost mode 0: 34 seconds Cycle time of swing 1: 30 seconds... - Page 35 Configuration Table 2. Installation option #2: Digit 2 = 5 Display screen (mode and On/Off) Digit Option description Set digit to... 0: 1.8°F (1°C) 1: 2.7°F (1.5°C) 2: 3.6°F (2°C) Standard for auto-changeover (heating to cooling) 3: 4.5°F (2.5°C) Note: Applies only when digit 3 is set to “1” 4: 5.4°F (3°C) (auto-changeover mode is enabled).
- Page 36 Configuration Table 2. Installation option #2: Digit 2 = 5 Display screen (mode and On/Off) Digit Option description Set digit to... Forcing fan operation for heating and cooling Cooling: Fan Setting Heating: Fan Setting 0: Disabled Disabled 1: Disabled Enabled (Fan: User setting) 2: Disabled Enabled (Fan: High) 3: Disabled...
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Page 37: Operation
Operation Familiarize yourself with the unit components and operating tips before operating the unit. Components Square cassette panel (ceiling type) Round cassette panel (open type) LED shows operating status and error codes 1: Operating status indicator 2: Remote control sensor (behind grille) 3: Air outlet 4: Grille/air filter behind grille VRF-SVX042A-EN... -
Page 38: Operating Status: Indoor Unit Led
Operation Operating Status: Indoor Unit LED The indoor unit display contains one LED (see “Components, ” p. 37 for its location).The following table describes the behavior of the LED in response to unit operating status. Note: If an error code in generated, the LED blinks in a specified color pattern that is dependent on the error code type. -
Page 39: Internal Protections
Operation When the unit runs in Heat mode, frost may form due to the temperature difference between the unit and the outside air. If this happens: • The unit stops heating. • The unit will operate automatically in Defrost mode for 10 minutes. Defrost •... -
Page 40: Maintenance
Maintenance Maintenance Cleaning the Unit Exterior NOTICE Avoid equipment damage and risk of fire! Avoid using benzene or other flammable solvents. They may damage the surface of the unit and increase the potential for fire. Use a dry or damp cloth to wipe the surface of the unit as needed. If necessary, use mild soap and water on a damp cloth. - Page 41 Figure 14. Disassembling the grille and air filter 4. Clean the grille and air filter with a vacuum or a soft brush. If the dust is too thick, rinse them under running water and dry in a well-ventilated area. Note: Drying the air filter in a confined or humid area may cause odors to develop. If odors occur, re-clean and dry it in a well-ventilated area.
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Page 42: Periodic Maintenance Checks
Figure 16. Replacing the air filter and grille Periodic Maintenance Checks Refer to the schedule given in the table below for proper unit maintenance. Note: If the unit will not be used for an extended period of time, operate it in Fan mode for 3–4 hours to thoroughly dry it and then disconnect the power plug. - Page 43 Troubleshooting Problem Solution Verify the following: Temperature setting on remote control is higher/lower than the current temperature. Air filter is not clogged with dirt. If the unit has just been turned on, wait 3 minutes for the anti-short cycle timer to expire.
- Page 44 Ingersoll Rand (NYSE:IR) advances the quality of life by creating comfortable, sustainable and efficient environments. Our people and our family of brands—including Club Car®, Ingersoll Rand®,Thermo King® andTrane®—work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables; and increase industrial productivity and efficiency.
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