Table of Contents
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Installation, Operation,
and Maintenance
Variable Refrigerant Flow System
4-Way 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.
February 2017
4TVC0009B100ND
4TVC0012B100ND
4TVC0018B100ND
4TVC0024B100ND
SAFETY WARNING
VRF-SVX26D-EN
4TVC0030B100ND
4TVC0036B100ND
4TVC0048B100ND
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Summary of Contents for Ingersoll-Rand 4TVC0009B100ND
- Page 1 Installation, Operation, and Maintenance Variable Refrigerant Flow System 4-Way Cassette Indoor Unit Series Models: 4TVC0009B100ND 4TVC0030B100ND 4TVC0012B100ND 4TVC0036B100ND 4TVC0018B100ND 4TVC0048B100ND 4TVC0024B100ND 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 Maintenance ............32 Cleaning the Exterior .
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Page 6: Model Number Description
Model Number Description Model Number Description Digit 1: Refrigerant 4 = R410A Digit 2: Brand name T =Trane Digit 3: System type V = Variable Refrigerant Flow Digit 4: Configuration Type C = 4-way cassette Digit 5: Reserved for future use 0 = Not currently used Digit 6, 7, 8: Nominal capacity (Btu/h x 1,000) 009 = 9,000 Btu/h... -
Page 7: Preparing For Installation
Preparing for Installation Preparing for Installation Accessories In addition to product literature, the following accessories are supplied with this unit.The type and quantity may differ, depending on the model. Flexible hose Template Insulation A Insulation B Insulation C clamp Flexible hose Cable tie Conduit bracket Note: The required panel is not included with the indoor unit. -
Page 8: Unit Dimensions
29 suspension position 37-3/8 33-1/8 2-1/8 14-5/8 13-5/8 33-1/8 2-1/8 2-1/8 7-1/4 9-1/2 Sub duct connection 10-5/8 11-3/4 4TVC0009B100ND 4TVC0030B100ND 4TVC0012B100ND 4TVC0036B100ND Model 4TVC0018B100ND 4TVC0024B100ND 4TVC0048B100ND 11-1/4 13-1/4 Net dimension 33 x 8 x 33 33 x 11-1/4 x 33 Net weight 33.1 lb... -
Page 9: Service Clearances
Preparing for Installation Service Clearances 59 in. minimum 5/8 in. 3/4 in. Obstruction 4TVC0009B100ND 4TVC0030B100ND 4TVC0012B100ND 4TVC0036B100ND 4TVC0018B100ND 4TVC0048B100ND Model number 4TVC0024B100ND 9-7/8 in. 13-1/4 in. VRF-SVX26D-EN... -
Page 10: Installation
Installation Installation Review “Installation Considerations” before proceeding with installation. Follow the procedures in these sections in the order given. Note: Install theY-joint before installing the indoor unit. Mounting the Unit If the ceiling is already constructed, piping must be laid into position before placing the unit inside the ceiling. -
Page 11: Purging The Unit
Installation 7. Tighten the nuts to suspend the unit following the guidelines in the figure below. Threaded rod should not protrude more than 1.2 in below the top of the bracket Washers, isolators, or spacers 8. Maintain proper spacing between the unit and the ceiling; refer to the following figure. 3/4 in. -
Page 12: 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 13: Flared Pipe Connections
Installation Figure 1. Nitrogen flushing while brazing refrigerant pipes Nitrogen Stop valve Pressure regulator Flow meter Flared Pipe Connections Clutch type and wing nut type flare tools are available for flared pipe connections. 1. Slide the flare nut over the pipe to be flared. 2. -
Page 14: Leak Testing Pipe Connections
Installation 4. Tighten the yoke securely to flare the end of the pipe. Yoke Flaring bar Copper pipe Flare nut 5. Remove the pipe.The end of the pipe that you flared should look like the end of a trumpet. See examples of correctly and incorrectly flared pipes. - Page 15 Installation WARNING Explosion Hazard! Never use an open flame to detect gas leaks. It could result in an explosion. Use a leak test solution for leak testing. Failure to follow recommended safe leak test procedures could result in death or serious injury or equipment or property-only-damage. Use only dry nitrogen with a pressure regulator for pressurizing unit.
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Page 16: 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 hose Drain hose port 2. - Page 17 Installation • Do not install the hose with an upward gradient after the connection port or leaks will result. • 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. 3 ft, 3 in.–5 ft •...
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Page 18: Testing The Drainage
Installation 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 19: Insulation
Insulation After determining that there are no leaks in the refrigerant pipes or drainage hose, insulate them as described in these sections. Insulating Refrigerant Pipes 1. Use the table below to select the insulation type for each pipe size. Insulation, EPDM or NBR (in.) Standard conditions High humidity conditions Pipe... -
Page 20: Wiring The Unit
Wiring the Unit Wiring the Unit 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. - Page 21 Wiring the Unit Figure 2. Wiring diagram for individual control Outdoor unit F1 F2 208–230 V 1(L) 2(N) F3 F4 2(N) F3 F4 1(L) 1(L) 2(N) Indoor unit 3 Indoor unit 1 Indoor unit 2 F3 F4 F3 F4 F3 F4 Wired Wired Wired...
- Page 22 Wiring the Unit Figure 4. Conduit bracket installation Push Click Two conduits Single conduit VRF-SVX26D-EN...
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Page 23: Configuration
Configuration Configuration All VRF indoor units are factory configured. If modifications are required, the VRFTechnician UtilitiesTool (TUT) is strongly recommended. However, any of the following devices can be used: • VRFTechnician UtilitiesTool (TUT) (instructions follow) • VRF Wireless Remote Control (instructions follow) •... -
Page 24: Using The Vrf Wireless Remote Control
Configuration Using the VRF Wireless Remote Control To change configurations of the VRF system using the VRF Wireless Remote Control, follow this procedure: 1. Remove the batteries from the remote control, and re-insert them while simultaneously pressing theTemp+ andTemp- buttons (refer to Figure 5, p. -
Page 25: 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. See Figure Use digit 2 (shown in red in Figure 6) to set the wireless remote to Installation Option #1. Figure 6. - Page 26 Configuration Table 1. Installation option #1: Digit 2 = 2 (continued) Display screen Digit (mode and On/Off) Option description Set digit to... 0: Disabled 1: Disabled 2: Enabled (5 min) 3: Disabled (5 min) 4: Enabled (10 min) Evaporator drying 5: Disabled (10 min) 6: Enabled (30 min) 7: Disabled (30 min)
- Page 27 Configuration Table 1. Installation option #1: Digit 2 = 2 (continued) Display screen Digit (mode and On/Off) Option description Set digit to... 0: External control (Thermo On) 1: External control (Operation On) 2: External heater signal (Fan on) 3: External heater signal (Fan off) 4: Cooling operation signal 5: Free Cooling control (Cooling Thermo On) External control output/...
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Page 28: Installation Option #2
Configuration Installation Option #2 When digit 2 is set to a value of “5, ” the options shown in Table 2 can be changed to the values in the right column. Table 2. Installation option #2: Digit 2 = 5 Display screen Digit... - Page 29 Configuration Table 2. Installation option #2: Digit 2 = 5 (continued) Display screen Digit (mode and On/Off) Option description Set digit to... 0: 5 minutes 1: 7 minutes 2: 9 minutes Time required for mode change 3: 11 minutes Note: Applies only when digit 3 is set to “1” (Auto 4: 13 minutes Changeover mode is enabled).
- Page 30 Configuration (c) Height difference between the indoor unit being configured and the lowest indoor unit is >98.4 ft, or pipe length difference between the outdoor unit and the furthest indoor unit and the outdoor unit and the indoor unit being configured is > 360.9 ft. (d) Height difference between the indoor unit being configured and the lowest indoor unit is 49.2–98.4 ft, or pipe length difference between the outdoor unit and the furthest indoor unit and the outdoor unit and the indoor unit being configured is 164–360.9 ft.
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Page 31: Operation
Operation Operation Familiarize yourself with the unit components and operating tips before operating the unit. Components Air flow blade Air intake Air filter (under grille) Display Defrost indicator Filter reset indicator Power indicator (On/Off) Timer indicator Remote control sensor Operating Tips Follow these tips when using your unit: If the outside temperature is much higher than the selected indoor temperature, it may take longer than expected to achieve the desired temperature. -
Page 32: Internal Protections
Maintenance Internal Protections Internal protections operate if an internal fault occurs in the unit. Type Description Cold air dump The internal fan will be off to prevent a cold air dump when the heat pump is in defrost mode. Defrost cycle The internal fan will be off to prevent a cold air dump when the heat pump is in defrost mode. -
Page 33: Cleaning The Grill And Air Filter
Maintenance Cleaning the Grille and Air Filter 1. Open the blades on the left and right sides of the grille. Press both levers and pull the grille downward.Two safety clips are mounted to the grille to prevent it from dropping. 2. -
Page 34: Periodic Maintenance Checks
Error Codes 4. Clean the grille and air filter with a vacuum or 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. -
Page 35: Troubleshooting
Troubleshooting Troubleshooting Refer to the following table for solutions to common problems. Table 4. Solutions to common problems Problem Solution The unit does not operate The anti-short cycle timer prevents the unit from operating immediately to keep immediately after restarting it. it from overloading. - Page 36 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® and Trane®—work together to enhance the quality and comfort of air in homes and buildings; transport and protect food and perishables;...
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