Table of Contents
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Installation, Operation,
and Maintenance
Variable Refrigerant Flow System
High-Wall Indoor Unit Series
(with Factory-Installed EEV)
Models: 4TVW0007B100NC, 4TVW0009B100NC, 4TVW0012B100NC,
4TVW0018B100NC, 4TVW0020B100NC, 4TVW0024B100NC
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.
November 2014
SAFETY WARNING
VRF-SVX30C-EN
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Summary of Contents for Ingersoll-Rand 4TVW0007B100NC
- Page 1 Maintenance Variable Refrigerant Flow System High-Wall Indoor Unit Series (with Factory-Installed EEV) Models: 4TVW0007B100NC, 4TVW0009B100NC, 4TVW0012B100NC, 4TVW0018B100NC, 4TVW0020B100NC, 4TVW0024B100NC 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.
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Page 2: Introduction
Introduction Read this manual thoroughly before operating or servicing this unit. WARNING Warnings, Cautions, and Notices Proper Field Wiring and Grounding Required! Safety advisories appear throughout this manual as required. Your personal safety and the proper operation of Failure to follow code could result in death or serious this machine depend upon the strict observance of these injury. -
Page 3: Table Of Contents
Table of Contents Introduction ............2 Warnings, Cautions, and Notices . - Page 4 Table of Contents Operating Tips ..........28 Internal Protections .
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Page 5: 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 W = High Wall Type Digit 5: Reserved for future use 0 = Not currently used Digit 6, 7, 8: Nominal capacity (Btu/h x 1,000) 007 = 7,000 Btu/h... -
Page 6: 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. Installation plate Location Considerations When deciding on a location for the indoor unit, the following factors must be considered: •... -
Page 7: Installation
• For mounting on a window frame, install wood mounting supports for the unit. Attach the installation plate to the wooden uprights using tapping screws. Pipe hole: Pipe hole: Pipe hole: 2.56 (65) 2.56 (65) 4TVW0018B100NC 4TVW0007B100NC 5.51 4.72 2.68 4TVW0020B100NC 2.68 4TVW0009B100NC (140) -
Page 8: Purging The Unit
Installation 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. To purge the unit, remove the caps from the ends of both gas and liquid refrigerant pipes. Make sure all gas has escaped before connecting the piping. -
Page 9: Pipe Cutting
Installation • All refrigerant connections must be accessible for servicing and maintenance. To install refrigerant pipes: 1. Cut or extend field-supplied piping as needed. To extend pipes, braze or using flared pipe connections (not supplied). Refer to “Pipe Cutting” p. “Nitrogen Flushing While Brazing”... -
Page 10: Flared Pipe Connections
Installation 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. Slide the end of the pipe into the hole on the flaring bar that fits the pipe, leaving a length of pipe, determined by tool type (see table), extending above the flaring bar. -
Page 11: Leak Testing Pipe Connections
Installation 6. Align the pipes and tighten the flare nuts manually and then with a spanner torque wrench, applying the torque according to pipe dimensions: Flare Outer diameter Connection dimension (in. [mm]) torque (ft·lb) (in.) Flare shape (in.) 1/4 (6.35) 10.3–13.3 ft·lb 0.34–0.36 R.016–.031... -
Page 12: Installing The Drain System
Installation 3. Disconnect refrigerant cylinder. Connect dry nitrogen cylinder to high side charging port and increase pressure to 150 psig. Do not exceed high side (discharge) unit nameplate design pressure. Do not subject low side (suction) components to high side pressure. 4. - Page 13 Installation 3. If it is not already blocked, insert the rubber stopper into the drain hole that is not used, turning it to the right with a screwdriver until it is secure. 4. If necessary, connect the 6.6 ft (2 m) extension to the drain hose. Insulate the inside of the extension with a shield.
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Page 14: Insulation
Insulation Insulation After determining that there are no leaks in the refrigerant pipes or drainage hose, insulate them as described in these sections. Refrigerant Pipes 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 15: 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 16 Wiring the Unit Figure 2. Wiring diagram for individual control Outdoor unit F1 F2 208–230 V 1(L) 2(N) 1(L) 2(N) 1(L) 2(N) Indoor unit 3 Indoor unit 1 Indoor unit 2 Wireless remote controls Figure 3. Wiring diagram for group control Outdoor unit F1 F2 208–230 V...
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Page 17: Configuration
Configuration Configuration All VRF indoor units are factory configured. If modifications are required, one of the following control devices can be used: • VRF Wireless Remote Control (instructions follow) • VRF Wired Remote Control • VRF System Controller • VRF Enterprise Management Software Using the VRF Wireless Remote Control To change configurations of the VRF system using the VRF Wireless Remote Control, follow this procedure:... - Page 18 Configuration Figure 4. VRF Wireless Remote Control 2-digit segment Power button Mode button Temp up Fan up Temp down Fan down VRF-SVX30C-EN...
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Page 19: 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 Figure 5. Two-digit segments in the 24-digit sequence Notes to Figure 4: • Digits 1, 7, 13, and 19 (shown in green) are factory set and cannot be changed. They do not appear on the display. -
Page 20: Mode 2: Option Setting
Configuration Mode 2: Option Setting 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. Option setting mode: Digit 2 = 2 Display screen Digit... - Page 21 Configuration Table 1. Option setting mode: Digit 2 = 2 (continued) Display screen Digit (mode and On/Off) Option description Set digit to... Factory set to 2 Cannot be changed. Not seen in configuration mode. 0: Disabled External control—AHU 1: On/Off control 2: Off-only control External control output External heater On/Off signal...
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Page 22: Mode 5: Option Setting
Configuration Mode 5: Option Setting 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. Option setting mode: Digit 2 = 5 Display screen Digit... - Page 23 Configuration Table 2. Option setting mode: Digit 2 = 5 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).
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Page 24: Mode A: Addressing
Configuration Figure 7. Heat recovery unit operating in auto-changeover mode Standard temp. for Temp. Heating Cooling Standard temp. for Cooling Set temp. for Auto mode Standard temp. for Heating A : Set with digit 4. Standard temp. B : Set with digit 5. for Cooling Heating C : Set with digit 6. - Page 25 Configuration Figure 9. Addressing mode for remote control, Digits 9–12 Table 3. Address setting mode: Digit 2 = A Display screen Digit (Mode and On/Off) Option Set digit to... Factory set to 0 Cannot be changed. Not seen in configuration mode. Addressing mode 0: Automatic address setting (default) Unit/RMC address...
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Page 26: Mode D: Specific Digit Changing
Configuration Mode d: Specific Digit Changing When digit 2 is set to a value of “d, ” a single, specific digit can be changed. See Figure Figure Figure 12, and Table 4, p. 27. This mode can be used as a shortcut when only a single digit needs to be changed. - Page 27 Configuration The example in Figure 12 shows how to use this mode to change a unit address from “137” to “134. ” Figure 12. Example of using the specific digit changing mode to change a unit address • Digit 2 is set to “d” (the specific digit setting mode). •...
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Page 28: Operation
Operation Operation This section is dedicated to operating the indoor unit. Components 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. Cooling Avoid making extreme changes in the temperature setting. -
Page 29: Internal Protections
Operation 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 30: Periodic Maintenance Checks
Operation 2. Hold on to the handle and lift it up. Remove the filter by pulling it towards you. 3. Clean the 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. -
Page 31: Troubleshooting
Troubleshooting Troubleshooting Refer to Table 6 for solutions to common problems and to Table 6 for a list of alarm conditions with corresponding error codes and LED behavior. Table 6. 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. - Page 32 Troubleshooting Table 7. Diagnostic LEDs for the high-wall indoor unit LED display Error Power Turbo Timer Alarm condition code Indoor temperature sensor error (shorted or open) E121 Flickering Evap-in sensor error (shorted or open) E122 Evap-out sensor error (shorted or open) E123 Flickering Flickering...
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Page 33: Warranty For Vrf Systems And Related Accessories
Warranty for VRF Systems and Related Accessories Warranty for VRF Systems and Related Accessories Products Covered. This warranty is extended by Trane U.S., Inc. (“Company”) and applies to all VRF systems and accessories for these products which are sold by the Company and applied in accordance with Company specifications. - Page 34 Warranty for VRF Systems and Related Accessories VRF-SVX30C-EN...
- Page 35 Warranty for VRF Systems and Related Accessories VRF-SVX30C-EN...
- Page 36 The manufacturer optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader in creating and sustaining safe, comfortable and energy efficient environments, the manufacturer offers a broad portfolio of advanced controls and HVAC systems, comprehensive building services, and parts. For more information, visit www.IRCO.com.
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