VRV IV
Daikin’s VRV IV systems integrate advanced technology to provide comfort control with maximum energy efficiency and reliability. Currently available in heat pump and heat recovery configurations,VRV IV provides a solution for multi-family residential to large commercial applications desiring heating or cooling. The VRV IV is the first variable refrigerant flow (VRF) system to be assembled in North America.
What’s new about VRV IV?
Optimized Installation with New Unit Ranges for low total Life Cycle Cost (LCC) |  Ventilation |
Energy Efficiency with Variable Refrigerant Temperature (VRT) |  System Controllers |
Fast Installs mean Fast Commissions | |
Overview of VRV IV Features.
- Total comfort solution for heating, cooling, ventilation and controls
- Redesigned and optimized for total Life Cycle Cost (LCC)
- Reduced install cost and increased flexibility as compared to VRV III with larger capacity single modules up to 14 tons and system capacity up to 38 tons
- Efficiency improved over VRV III by an average of 11% with IEER Values now up to 28
- Improved seasonal efficiency as compared to VRV III with automatic and customizable Variable Refrigerant Temperature (VRT) climate tuning
- Best-In-class warranty* with 10-year compressor and parts limited warranty as standard
- Reduced commissioning time vs. VRV III with VRV configurator software and Graphical User Interface (GUI)
- Design flexibility with long piping lengths up to 3,280 ft. total and 100 ft. vertical separation between indoor units
- Take advantage of Daikin’s unique zone and centralized controls
Features
Flexibility is everything
- Large capacity range (6 – 38 ton), up to 64 indoor fan coil units on one system and up to 200% connection ratio
- Long piping length, up to 3,280’ total, with up to 100’ vertical separation
- Wide range of indoor units, including additional “mini-split” units
- Redesigned and optimized for low total Life Cycle Cost (LCC)
- All inverter compressors in all model sizes
- New configuration software allows full setup offsite with PC upload
- 10-year limited warranty* on compressor and parts is standard
* Complete warranty details available from your local dealer or at www.daikincomfort.com. To receive the 10-year compressor and parts limited warranty, online registration must be completed within 60 days of installation. Online registration is not required in California or Quebec.
Environment
- Efficient overall system performance, up to 29.3 IEER
- Heating down to -13 degrees F as standard
- Variable Refrigerant Temperature control cycle provides improved seasonal efficiency
- Quieter than VRV III
- Improved refrigerant leakage control
- Reduced factory charge (refrigerant)
Comfort
- All-inverter technology
- Continuous heating during oil return
- Night time quiet mode
- Backup function
Installation Advantages
- Light modular design
- Common footprint
- Automatic charge function
- Automatic test and self-diagnosis functions
- Improved electrical and refrigerant piping connections
- Automatic information storage
Technology
Daikin’s VRV IV systems integrate advanced technology to provide comfort control with maximum energy efficiency and reliability. VRV IV Heat Recovery systems provide a solution for multi-family residential to large commercial applications desiring heating and cooling. The VRV IV is the first Variable Refrigerant Flow (VRF) system to be assembled in North America.
Variable Refrigerant Temperature
| Daikin VRV IV Piping | ||
|---|---|---|
| Maximum total one-way piping length | 3282 ft. | |
| Maximum piping length between outdoor unit and indoor unit - A | 541 ft. | |
| Maximum piping length between 1st branch connection and indoor unit (with application rules) - B | 131 ft. (295 ft.) | |
| Maximum piping length between indoor unit and closest branch connection | 131 ft. | |
| Maximum vertical difference between outdoor unit and indoor unit (with application rules) | OU above IUs - C | 164 ft. (295 ft.) |
| OU below IUs - E | 131 ft. (195 ft. for VRV IV HR) | |
| Maximum vertical difference between indoor units - D | 100 ft. | |
VRV – Constantly Evolving, Setting the Standard.
VRV IV combines a number of substantial improvements in system capability and function compared to VRV III.
Larger capacity units now utilize new inverter compressors for all configurations. This improves overall efficiency and allows the VRV IV to start with essentially no inrush power. This is ideal for limiting demand expense and for solar installations or facilities that may occasionally run on generator power, where a high amperage starting requirement is difficult to meet.
VRV IV now uses a four-sided coil that presents a greater heat exchange surface. While allowing the same footprint for all unit sizes for ease of design, we have increased efficiency through improved heat transfer on all sizes. This change has also enabled increasing capacity in our standard modules, extending the range up to 38 tons on a single network. Many applications have been simplified, as fewer units can be used to achieve desired performance. Another added benefit to this is a reduction in system refrigerant volume.
Lineup
| Capacity (TON) | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | 28 | 30 | 32 | 34 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
208-230V & 460V and 575V |
No. of Outdoor Units | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | |
| Max No. of Indoor Units | 12 | 16 | 20 | 25 | 29 | 33 | 37 | 41 | 45 | 49 | 54 | 58 | 62 | 64 | 64 | ||
| No. of Inverter Compressors (208-230V & 460V) | 1 | 1 | 1 | 2 | 2 | 1+1 | 1+1 | 1+1 | 1+2 | 2+2 | 2+2 | 2+2 | 1+1+1 | 1+1+2 | 1+2+2 | ||
| No. of Inverter Compressors (575V) | 1 | 1 | 1 | 1 | 1 | 1+1 | 1+1 | 1+1 | 1+1 | 1+1 | 1+1 | 1+1 | 1+1+1 | 1+1+1 | 1+1+1 | ||
 |
 |
 |
|||||||||||||||
Indoor Units
| Indoor Type | Capacity (kbtu/h) | 5.8 | 7.5 | 9.5 | 12 | 15 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | 72 | 96 | Application Considerations | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ducted |  |
|
|
|
|
|
|
|
|
|
|
High airflow/Low sound Up to 0.8" ESP Less than 12" height MERV filtration |
|||||
 |
|
|
|
|
|
|
|
High airflow/Low sound Up to 0.8" ESP Less than 10" height MERV filtration |
|||||||||
|
|
|
|
|
|
|
|
|
|
|
|
Low sound level auto fan speed control Up to 0.6" ESP Less than 10" height |
|||||
|
|
|
|
|
|
|
|
|
|
|
|
Low sound level auto fan speed control Up to 0.6" ESP Less than 10" height |
|||||
 |
|
|
|
|
|
Hotels/Dorms Rear or bottom suction return Less than 8" height |
|||||||||||
|
FXTQ_TAVJU |
 |
|
|
|
|
|
|
|
|
Replacement/Retrofit Residential/Multi-family Auto fan logic |
|||||||
 |
|
|
Large/Open plan areas Up to 0.95" ESP MERV filtration |
||||||||||||||
 |
|
|
|
|
|
Concealed installtions Under window installations Less than 9" depth |
|||||||||||
| Non-Ducted |
|
|
|
|
|
|
|
|
|
|
Open plan areas Classrooms/Retail Multiple airflow patterns |
||||||
  |
|
|
|
|
Office/Retail Energy efficient fan motor Stylish unit Air temperature sensor |
||||||||||||
  |
|
|
|
|
|
|
Office/Retail Low sound level Three auto swing positions Less than 12" height |
||||||||||
|
|
|
|
|
|
|
Office/Retail Low sound level Independently motorized louvers Less than 12" high |
||||||||||
 |
|
|
|
|
|
|
Hotel Rooms / Offices / Residential (Apartments,Condominiums, etc.) | ||||||||||
 |
|
|
|
Narrow/Retrofit installations Less than 8" height Wide airflow |
|||||||||||||
|
|
|
|
|
|
Compact, flat panel design Auto swing for wide air discharge |
|||||||||||
 |
|
|
|
|
|
Replacement/Retrofit Under window installations less than 9" depth |
|||||||||||
| Zoning |  |
|
|
|
|
|
|
|
|
Adds Multi-Zone capability for 2-6 zones | |||||||
