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Installation Guide
Variable Refrigerant Flow (VRF) System
Single-Phase Outdoor Unit Series
Models:
4TVH0036B100NC
4TVH0048B100NC
4TVH0053B100NC
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.
April 2016
April 2016
SAFETY WARNING
VRF-SVN33D-EN
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Table of Contents
Related Manuals for Ingersoll-Rand Single-Phase Outdoor Unit Series
Summary of Contents for Ingersoll-Rand Single-Phase Outdoor Unit Series
- Page 1 Installation Guide Variable Refrigerant Flow (VRF) System Single-Phase Outdoor Unit Series Models: 4TVH0036B100NC 4TVH0048B100NC 4TVH0053B100NC 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 Read this manual thoroughly before operating or servicing this unit. 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...
- Page 3 Introduction WARNING Personal Protective Equipment (PPE) Required! Installing/servicing this unit could result in exposure to electrical, mechanical and chemical hazards. • Before installing/servicing this unit, technicians MUST put on all PPE required for the work being undertaken (Examples; cut resistant gloves/sleeves, butyl gloves, safety glasses, hard hat/bump cap, fall protection, electrical PPE and arc flash clothing).
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Page 4: Table Of Contents
Table of Contents Model Number Description ..........6 Preparing for Installation . - Page 5 Refrigerant ............47 Calculating the Refrigerant .
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Page 6: Model Number Description
Model Number Description Digit 1: Refrigerant Digit 15: Service digit (not used for ordering) 4 = R-410A A = First sequence B = Second sequence Digit 2: Brand Name T = Trane (American Standard dual label) Digit 3: System Type V = Variable Refrigerant Flow Digit 4: Functional Type Outdoor Unit... -
Page 7: Preparing For Installation
Preparing for Installation Unit Dimensions and Weights Table 1. Unit dimensions and weights Shipping dimensions Dimensions (WxHxD) Weight (WxHxD) Shipping weight Unit model number in. (mm) lb (kg) in. (mm) lb (kg) 4TVH0036B100NC 220.5 (100.0) 231.5 (105.0) 39.2 (995) x 54.6 (1388) 4TVH0048B100NC 37 (940) x 47.6 (1210) x 13 (330) x 16.8 (426) -
Page 8: Maximum Quantity Of Indoor Units By Single-Phase Outdoor Unit Capacity
Preparing for Installation Maximum Quantity of Indoor Units by Single-Phase Outdoor Unit Capacity To prevent reducing indoor unit capacity, the sum capacity of indoor units connected to a single- phase outdoor unit should be no greater than the capacity of the single-phase outdoor unit. Refer Table Table 2. - Page 9 Preparing for Installation Figure 2. Minimum operating clearances for a single unit installation Note: Clearances listed in this manual are minimum for system operation. All installations shall comply with codes and standards adopted by the Authority Having Jurisdiction (AHJ). When air outlet is toward a wall When the air outlet is opposite a wall Top of unit is blocked and the When three sides are blocked by a wall...
- Page 10 Preparing for Installation Figure 3. Minimum operating clearances for a multiple unit installation. Note: Clearances listed in this manual are minimum for system operation. All installations shall comply with codes and standards adopted by the Authority Having Jurisdiction (AHJ). 24 (600) 24 (600) 12 (300) 24 (600)
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Page 11: Moving The Single-Phase Outdoor Unit
Preparing for Installation Moving the Single-Phase Outdoor Unit Follow these guidelines when moving the single-phase outdoor unit: • Before moving the unit, determine a path that can support its weight. • Do not lay the unit on its side and do not slant the unit more than 30 degrees. •... - Page 12 Preparing for Installation Sea breeze Protection Walls Sea breeze Sea breeze – At least 9.84 ft (3 m) away from equipment that generates electromagnetic waves. – Away from interfering sources, such as radio, computer, and stereo equipment. – Far enough away from people living and working nearby so that hot discharge air or noise do not disturb them.
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Page 13: Unit Installation
Unit Installation Follow these guidelines for installing the single-phase outdoor unit. Important: The manufacturer is not responsible for damage incurred for installations that have not followed these guidelines. The unit must be installed: • On a horizontally level surface. • On a surface that is strong enough to support the unit and to minimize noise. -
Page 14: Minimizing Vibration
Unit Installation Minimizing Vibration When installing multiple single-phase outdoor units side by side, or when there is a need to minimize unit vibrations, use a vibration-minimizing structure such as an H-beam frame or a vibration-isolation frame, and an isolation pad. Refer to the specifications in Figure 5. -
Page 15: Securing The Single-Phase Outdoor Unit
Unit Installation Securing the Single-Phase Outdoor Unit Secure the unit firmly to the base with M10 anchor bolts (see Figure • Use zinc-plated or stainless steel nuts and bolts. • Use a rubber washer between the bolt and the unit to prevent bimetallic corrosion. •... -
Page 16: Wind Baffle
Unit Installation Wind Baffle If the outdoor unit is exposed to direct strong winds, a wind baffle should be installed (model number CSERWINDBFL36AA). Refer to Figure 8. Follow the instructions provided with the wind baffle kit to ensure proper installation. Figure 8. -
Page 17: Refrigerant Piping
Refrigerant Piping This section contains information on selecting, storing, and connecting refrigerant piping. Selecting Refrigerant Piping Refrigerant piping diameter, thickness, and temper is selected according to length, as specified in this section. Note: Use insulated, unwelded, degreased, and de-oxidized copper pipe (Cu-DHP type according to ISO 1337 or UNI EN 12735-1) suitable for an operating pressure of at least 609.15 psi (4200 kPa) and a burst pressure of at least 3002.28 psi (20,700 kPa). -
Page 18: Branch Joint Selection
Refrigerant Piping Table 4 specifies the pipe size between branch joints. Table 4. Pipe sizes between branch joints Pipe size (OD) Indoor unit total capacity Liquid Vapor (MBH) in. (mm) in. (mm) Less than 51 5/8 (15.88) 3/8 (9.52) 51-69 3/4 (19.05) Branch Joint Selection Table 5... -
Page 19: Piping Length
Refrigerant Piping Piping Length Table 8. Basic refrigerant piping length rules for the single-phase outdoor unit Piping location ft (m) Total length: Main Pipe (A) + Branch Pipe (B) + Branch Pipe (C) + Branch Pipe (D) + Branch Pipe (E). 984.0 (299.9) (See Figure 9... - Page 20 Refrigerant Piping Figure 9. Systems using Y-joints: Total piping length Note: The piping length of A+B+C+D+E cannot exceed 984.0 ft (299.9 m). First Y-joint Main pipe (A) Branch pipe (B) Second Y-joint Branch pipe (C) Branch pipe (D) Branch pipe (E) Figure 10.
- Page 21 Refrigerant Piping Figure 11. Systems using Y-joints: Maximum piping length from outdoor unit to farthest indoor unit Note: Piping from the outdoor unit to the indoor unit with the longest length of piping cannot exceed 492.0 ft (150.0 m). •...
- Page 22 Refrigerant Piping Figure 13. Systems using Y-joints: Maximum piping length from outdoor unit to first Y-joint Note: The length of pipe A must be 361.0 ft (110.0 m). After 295 ft (90 m), the vapor pipe diameter will be one size larger, as indicated by the VRF Selection software.
- Page 23 Refrigerant Piping Figure 15. Systems using Y-joints: Maximum piping length from first Y-joint to farthest indoor unit Note: The length of piping between the first Y-joint and the indoor unit with the longest length of piping cannot exceed 131.0 ft (39.9 m). ...
- Page 24 Refrigerant Piping Figure 17. Systems using Y-joints: Distance between the indoor unit closest to the outdoor unit and between the indoor unit farthest away from the outdoor unit Note: The difference in pipe length between the indoor unit closest to the outdoor unit and between the indoor unit farthest away from the outdoor unit cannot exceed 131.0 ft (39.9 m).
- Page 25 Refrigerant Piping Figure 19. Maximum piping length between nearest and farthest indoor units (50 ft example) Branch pipe (B) Main pipe (A) Branch pipe (C) Branch pipe (D) Branch pipe (E) In the example in Figure 19, the distance between the nearest and farthest indoor unit ([C+E] - B) = 50 ft (15.2 m). VRF Selection software calculates this value.
- Page 26 Refrigerant Piping Figure 20. Maximum piping length between nearest and farthest indoor units (75 ft example) Main pipe (A) Branch pipe (B) Branch pipe (C) Branch pipe (D) Branch pipe (E) In the example in Figure 20, the distance between the nearest and farthest indoor unit (E – D) = 75 ft (22.9 mm). Explanation: –...
- Page 27 Refrigerant Piping Figure 21. Maximum piping length between the single-port EEV and the indoor unit being fed by the EEV Distribution pipe (B) Main pipe (A) Distribution pipe (C) The distance between the single-port EEV and the indoor unit being fed by the EEV cannot exceed 6.5 ft (2 m). VRF-SVN33D-EN...
- Page 28 Refrigerant Piping Figure 22. Maximum piping length between the multi-port EEV and any indoor unit being fed by the EEV Distribution pipe (B) Main pipe (A) Distribution pipe (C) Distribution pipe (D) The distance between the multi-port EEV and any indoor unit being fed by the EEV cannot exceed 65 ft (19.8 m). VRF Selection software points out the excessive length in the distribution pipe (D).
- Page 29 Refrigerant Piping Figure 23. Maximum vertical change between outdoor unit and lowest indoor unit The outdoor unit cannot be greater than 164 ft (50 m) above the lowest indoor unit. Maximum vertical distance between the lowest and highest indoor units cannot exceed 49 ft (15 m).
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Page 30: Refrigerant Piping Installation Examples
Refrigerant Piping Refrigerant Piping Installation Examples Example with Y-joints and EEV kits Example with Y-joints Single-port Outdoor Outdoor EEV kit unit Outdoor unit Multi-port unit Indoor units EEV kit Y-joints (5) Indoor units Branch joint (4) Y-joints (5) Indoor units Example with Y-joints and distribution header Example with distribution headers Outdoor... -
Page 31: Installing Refrigerant Piping
Refrigerant Piping Installing Refrigerant Piping WARNING Hazard of Explosion and Deadly Gases! Failure to follow all proper safe refrigerant handling practices could result in death or serious injury. Never solder, braze or weld on refrigerant lines or any unit components that are above atmospheric pressure or where refrigerant may be present. -
Page 32: Nitrogen Flushing While Brazing
Refrigerant Piping Nitrogen Flushing While Brazing NOTICE Avoid Unit Damage! Never braze pipe connections without performing nitrogen flushing. Failure to perform this procedure will damage the unit, resulting in capacity loss and reduced long-term reliability. While brazing refrigerant pipes, flush them with nitrogen gas. Use a pressure regulator to maintain a flow rate of 1.76 ft /h (0.05 m /h) or more. -
Page 33: Connecting Piping To The Single-Phase Outdoor Unit
Refrigerant Piping 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 34 Refrigerant Piping Figure 26. Pipe connections on unit Service valve: Service valve: low high pressure (liquid line) pressure (vapor line) Radiant heat vents Liquid pipe Note: Sealing this area after Vapor pipe installation is recommended. 2. Remove the knock-out that you are going to use. Unused knock-outs should remain closed to prevent damage to the unit.
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Page 35: Electrical Wiring
Electrical Wiring Observe the following precautions when making electrical connections and refer to the wiring diagram (Figure 27, p. 36). 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 36 Electrical Wiring Figure 27. Typical system installation wiring circuit breaker or disconnect Mini outdoor unit Single-phase, 2-wire, 208-230 V Figure 28, p. 38 for wiring details. Notes: • Remove burrs from the knock-out hole. • Use cable conduit and bushing to prevent cables from being damaged when passing through the knock-out holes.
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Page 37: Power Wiring
Electrical Wiring Power Wiring WARNING Avoid Risk of Fire or Explosion! Do not let the power cable come into contact with the pipes inside the outdoor unit. If the power supply cable touches the pipes, the vibration of the compressor will be transferred to the pipes and can damage the power supply cables or pipes. - Page 38 Electrical Wiring Figure 28. Power wiring connections L, N: AC power terminals Detail for connecting Detail for connecting two cables to one terminal two cables to one terminal Solderless ring terminal Cable tie Thick cable Thin cable VRF-SVN33D-EN...
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Page 39: Grounding
Electrical Wiring Grounding Important: Grounding must be done by a qualified electrician. The unit cannot be grounded by a gas or water pipe, a lightning rod, or a telephone line grounding wire. Ground the unit at an exclusive grounding terminal, at the electrical panel (see Figure 29), or—if the power distribution circuit is not grounded or its grounding does not comply with electrical... -
Page 40: Communications Wiring
Electrical Wiring • If you have grounded the unit to a grounding terminal or electrical panel, ensure that the resistance meets the requirements. Table 11. Grounding resistance requirements Power condition at installation site High or average humidity Low humidity • Ensure that the grounding resistance is <100 . •... - Page 41 Electrical Wiring Figure 31. VRF Single-phase system control layer scheme The purpose of this illustration is: • To show the control layers that may be used with the single-phase system. • To show the control layer in which the devices connect. Contact the local sales office with questions regarding control wiring.
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Page 42: Leak Testing Pipe Connections
Leak Testing Pipe Connections Before leak testing pipe connections, read all safety precautions and notes. 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. - Page 43 Leak Testing Pipe Connections Use the following procedure for leak testing pipe connections. NOTICE Refrigerant Pipe Damage! When performing a leak test, use a pressure regulator to prevent an excess amount of nitrogen (over 594.6 psi [4.1 MPa]) from entering the pipes. If the pipe is filled with more than the specified amount of nitrogen in a short period of time, pipe damage may occur.
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Page 44: System Evacuation Procedure
System Evacuation Procedure After performing a leak test, use a vacuum pump to triple evacuate the system as described below: Notes: • Use a vacuum pump with a check valve to prevent pump oil from flowing backward while the vacuum pump is closed. •... -
Page 45: Insulating Refrigerant Pipes
Insulating Refrigerant Pipes After determining that there are no leaks in the refrigerant pipes, insulate them as described: 1. Use Table 12 to select the insulation thickness according to pipe size and humidity conditions. The table contains the minimum requirements; consequently, insulation thickness may be governed by the adopted codes and standards by the authority having jurisdiction (AHJ). - Page 46 Insulating Refrigerant Pipes • Overlap insulation to avoid gaps. • Avoid compressing the insulation as much as possible. • Be sure there are no cracks or deformities in the insulation at bends in pipes or where hangers are attached to pipes. •...
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Page 47: Refrigerant
Refrigerant After successful leak testing and vacuum drying, calculate the amount of refrigerant needed and then charge the system, as explained in this section. Calculating the Refrigerant The initial refrigerant quantity (given in Table 13) is charged into the unit at the factory. Table 13. -
Page 48: Charging The Refrigerant
Refrigerant Charging the Refrigerant After calculating the correct amount of refrigerant needed by the system (see “Calculating the Refrigerant, ” p. 47), charge the system as described in the following procedure: WARNING Hazard of Explosion and Deadly Gases! Do not heat the refrigerant container to speed up the charging process. An explosion could result, resulting in death or serious injury. -
Page 49: Connecting The Drain Hose
Connecting the Drain Hose Connecting the Drain Hose When using the air conditioner in the heating mode, ice may accumulate. When the unit is in defrost mode, condensed water must be safely drained away from the unit through a drain hose. To install the drain hose: Note: A minimum space of 1.96 in. -
Page 50: Control System
Control System The control board contains a 7-segment display, three DIP switches, two rotary switches, and four buttons, as shown in Figure 34. Their functions are explained in this section. WARNING Hazardous Voltage! Before making contact with the inverter circuit board, wait for at least 15 minutes after powering down the single-phase outdoor unit to allow the unit to fully discharge high DC voltage. -
Page 51: Configuring The System
Control System Configuring the System The control board contains two rotary switches and three DIP switches (shown in Figure 34). The following tables explain their functions. Table 16. Configuration using rotary switches SW01 and SW02 SW01/SW02 Total number of installed indoor units Use to set total number of installed indoor units. - Page 52 Control System Table 18. Configuration using DIP switches K9–K12 DIP switch Setting Function description Night-time silent mode Disable Mode 1 3 ton: 600 rpm 4 ton: 600 rpm 5 ton: 620 rpm Mode 2 3 ton: 540 rpm 4 ton: 540 rpm 5 ton: 560 rpm Mode 3 3 ton: 480 rpm...
- Page 53 Control System Table 19. System configuration using DIP switches K13–K16 Maximum current per unit model 4TVH0036B100NC 4TVH0048B100NC 4TVH0053B100NC 3 ton 4 ton 5 ton DIP switch Current limit option Maximum current default: 22 A Maximum current default: 24 A Maximum current default: 32 A Default –...
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Page 54: Initiating System Operations
Control System Initiating System Operations Buttons K1, K2, and K3 are used to initiate system operations. The first two digits of the 7-segment display respond as shown in the last column of the following tables. Table 20. Button K1 Number of times K1 7-segment display: is pressed Operation... -
Page 55: Monitoring System Settings
Control System Monitoring System Settings Buttons K4 is used to monitor system settings and software versions. Table 23. Button K4 Number of 7-segment display times button K4 is pressed Setting Description Digits 1, 2, 3, 4 Current frequency 15 Hz 1,0,1,5 Low pressure 37.0 psi (2.6 kg/cm... -
Page 56: Changing A Single-Phase Outdoor Unit Address
Control System Changing a Single-Phase Outdoor Unit Address If multiple outdoor units are connected to a central control—VRF SC, VRF SC+BACnet®, or a VRF Touchscreen—it may be necessary to manually address the outdoor units. Addresses available for a single-phase outdoor unit range from 00 to 15. To manually set a single- phase outdoor unit address, refer to Table Table 25. -
Page 57: Pre-Start Checks
Pre-Start Checks After installation and before the test operation is conducted, perform the following pre-start checks: NOTICE Avoid Damage to the Communication Circuit! Do not measure the communication terminal with an insulation tester. Doing so will damage the communication circuit. 1. -
Page 58: Test Operation
Test Operation After all pre-start checks (refer to “Pre-Start Checks, ” p. 57) have been have been completed, run the test operation under the following temperature conditions: 122 (50) 104 (40) 86 (30) 68 (20) Cooling 50 (10) Heating 32 (0) 14 (-10) -4 (-20) 41 (5) 50 (10) 59 (15) 68 (20) 77 (25) 86 (30) 95 (35) 104 (40) 113 (45) - Page 59 Test Operation 3. Press and hold button K1 for 5 seconds to run the test operation (see Table 20, p. 54.) • During the test operation, the compressor is restricted from operating. • UP (for “unprepared”) will appear on the digital display. When the test operation has completed, the display will clear.
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Page 60: Refrigerant Detection Operation
Refrigerant Detection Operation Perform the refrigerant detection operation only under the following conditions: • After the unit has been operating in cooling mode for at least 30 minutes. • Within the following operating envelope: – Indoor: 68–86°F (20–30°C) – Outdoor: 41–109.4°F (5–43°C) Failure to comply may result in the operation ending before completion or in inaccurate results. -
Page 61: Service: Pump Down Process
Service: Pump Down Process The pump down process pulls all of the refrigerant in the system into the outdoor unit condenser so that repairs can be made to the system. WARNING Refrigerant under High Pressure! Failure to follow code concerning could result in an explosion which could result in death or serious injury or equipment damage. -
Page 62: Proceeding With The Pump Down Process
Service: Pump Down Process Proceeding with the Pump Down Process After refrigerant has been collected into a refrigerant container, proceed with the pump down process: NOTICE Equipment Damage! Do not allow the amount of system refrigerant that is pulled into the outdoor unit during the pump down process to exceed the capacity of the outdoor unit or equipment damage may occur. - Page 63 Service: Pump Down Process VRF-SVN33D-EN...
- Page 64 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; and increase industrial productivity and efficiency.
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