What Does RY Lim Provide for VRV/VRF Projects?
RY Lim provides VRV/VRF system planning, installation, M&E coordination, testing, commissioning, troubleshooting and maintenance for commercial buildings across Kuala Lumpur and Selangor. We work with M&E consultants, main contractors, interior designers, building owners and project teams from planning through handover.
RY Lim 为吉隆坡及雪兰莪的商业建筑提供VRV/VRF系统规划、安装、M&E协调、测试、调试、故障排查及保养服务。我们与M&E顾问、总承包商、室内设计师及业主从规划到移交全程合作。
What Is a VRV / VRF System?
VRV (Variable Refrigerant Volume) and VRF (Variable Refrigerant Flow) refer to the same technology — VRV is Daikin's proprietary term, VRF is the generic industry name. Both describe a multi-split air conditioning system where a single outdoor condensing unit connects to multiple indoor units simultaneously, each independently controlled for temperature and operation.
This makes VRV/VRF the preferred system for commercial buildings, offices, and institutions — it delivers precise temperature control zone by zone, operates quietly, saves energy, and requires no bulky ductwork or false ceilings.
VRV/VRF系统允许一台室外机连接多台室内机，每台独立控温 — 适用于需要多区域独立温控的商业及办公空间。
One Outdoor Unit
Serves multiple indoor units — cassette, wall, floor, or ducted — across different floors or zones of a building.
Independent Zone Control
Each indoor unit can be set to a different temperature and operated independently — no wasted cooling in empty rooms.
Energy Efficient
Inverter compressor technology adjusts output based on actual demand — significantly lower electricity consumption versus conventional systems.
Scalable
Systems can be expanded by adding more indoor units to an existing outdoor unit, up to its rated capacity.
What We Provide
System Design
We survey your building, work from the consultant's design or the manufacturer's selection tools, and recommend the right system configuration before any work begins.
- On-site survey and measurement
- Outdoor unit sizing and selection
- Indoor unit type recommendation (cassette, wall, ducted)
- Pipe routing and layout planning
- Electrical load assessment
Full Installation
End-to-end installation from structural support to commissioning — we manage the full scope so you don't have to coordinate multiple contractors.
- Outdoor condensing unit installation and mounting
- Indoor unit installation (cassette, wall, floor, ducted)
- Refrigerant copper piping runs
- Insulation and pipe casing / trunking
- Electrical wiring and isolator installation
- System vacuuming and gas commissioning
- Auto-changeover DB panel (if required)
Repair & Fault Diagnosis
VRV/VRF faults are complex — error codes, PCB failures, refrigerant leaks, and communication errors require specialist knowledge. We diagnose and fix correctly the first time.
- Error code diagnosis (all major brands)
- Refrigerant gas leak detection
- PCB and controller fault diagnosis
- Compressor and fan motor checks
- Pipe pressure testing
- Communication wiring fault tracing
Scheduled Maintenance
Planned maintenance extends system lifespan, prevents unexpected breakdowns, and keeps your building cooling efficiently year-round.
- Filter and coil cleaning (all indoor units)
- Refrigerant pressure check
- Outdoor unit coil and fan inspection
- Drainage check and flushing
- Electrical connection inspection
- Performance test and report
Our Track Record
Full multi-floor air conditioning installation for Munchy's commercial office. Level 23 received a complete VRV system with 12 outdoor condensing units and 32 ceiling cassette indoor units, covering the main open-plan workspace, meeting rooms, and support areas. Level 26 was fitted with 18 wall-mounted split units for individual office suites and enclosed rooms.
Works included full refrigerant piping runs, electrical wiring, drainage, and an auto-changeover distribution board for the VRV system with FCU run indicators and high-temperature alarm.
Munchy办公室多楼层冷气安装项目：23楼装设12套VRV系统共32台天花卡式机，26楼装设18台壁挂式分体冷气，并安装VRV系统自动切换配电箱。
Read the full case study, with equipment breakdown & project photos →
Full VRF installation for Block B of Sekolah Indonesia Kuala Lumpur — an institutional project covering classrooms, administrative areas, and common spaces across the block. The installation comprised 4 VRF outdoor systems with a total of 50 wall-mounted indoor units.
System configuration: 1 system at 22HP, 1 system at 12HP, and 2 systems at 30HP each — selected to match the different load requirements across zones within the building block.
吉隆坡印度尼西亚学校B栋VRF安装项目：共4套VRF系统，50台壁挂式室内机，系统配置包括22HP×1、12HP×1及30HP×2，覆盖教室、行政区及公共空间。
Commercial air conditioning installation for LGMS Berhad's office premises, comprising a total of 32 indoor units across the workspace. The majority of units are ceiling cassette type covering open-plan office areas, with 7 wall-mounted units installed in enclosed offices, meeting rooms, and server room areas.
LGMS Berhad办公室冷气安装项目：共32台室内机，以天花卡式机为主覆盖开放式工作区，另有7台壁挂式冷气安装于独立办公室、会议室及机房。
VRV air conditioning installation for a residential unit at The View @ Serai Saujana, Ara Damansara. The system utilises 2 second-hand VRV outdoor units connected to 8 indoor units across the property, with specialist humidity control units installed in selected zones.
The installation covers 5 standard ceiling cassette units, 1 ducted unit with humidity control, and 2 one-way ceiling cassette units with humidity control — giving the client precise temperature and humidity management in the key living areas.
Serai Saujana住宅VRV冷气安装项目：使用2台二手VRV室外机，连接8台室内机，包括5台天花卡式机、1台内藏式风管机（带湿度控制）及2台单向天花卡式机（带湿度控制）。
Latest Handover
Completed Daikin VRV air conditioning installation for Lam Soon Management Services. The system comprises 2 outdoor condensing units — RXQ8AYM (8HP) and RXQ12AYM (12HP) — serving 6 indoor units: 5 ceiling cassettes and 1 concealed ducted fan coil across the office floor. A separate split-unit scope adds 3 standalone units — 2 wall-mounted units serving the server room and 1 ceiling cassette in the meeting room.
Works covered refrigerant copper piping, hanger and bracket supports coordinated around the existing fire protection services, external riser trunking, ceiling cassette installation, nitrogen pressure testing, and commissioning.
Lam Soon Management Services办公室Daikin VRV冷气安装项目（已完工）：采用2台室外机——RXQ8AYM（8匹）及RXQ12AYM（12匹），连接6台室内机：5台天花卡式机及1台内藏式风管机。另有3台独立分体机：2台壁挂机（机房）及1台天花卡式机（会议室）。工程涵盖冷媒铜管安装、支架吊装（避让现有消防管线）、户外立管线槽、氮气压力测试及调试。
What Sets Us Apart
Specialist Knowledge
VRV/VRF systems are complex. We have hands-on experience across multiple commercial projects — not just split unit contractors who also do VRF on the side.
Design to Commissioning
We handle the full scope — site survey, system design, installation, electrical works, and commissioning. One team, one point of contact.
Neat, Proper Installation
Piping runs are planned and concealed properly. Our work is designed to look good on handover — not just functional.
Works With Your Team
We coordinate with M&E consultants, main contractors, and ID firms. We understand project timelines and site requirements.
After-Sales Support
We don't disappear after handover. Scheduled maintenance contracts and repair support keep your system running at peak performance.
5.0★ Rated
Consistently rated 5 stars across Google and Facebook by residential and commercial clients. Quality you can verify before you commit.
Planning a VRV / VRF Project?
Send us your building floor plan or brief — we'll assess the scope and provide a free consultation and quotation.
发送您的建筑平面图或项目简介 — 我们将提供免费勘察及报价服务。
Fresh Air & Ventilation in VRV/VRF Projects
VRV/VRF systems provide efficient zone cooling, while commercial projects may also require properly planned outdoor-air ventilation. Fresh-air requirements should be considered together with occupancy, cooling load, humidity, filtration, exhaust systems and the overall M&E design.
RY Lim is continuing to develop its capability in integrated HVAC solutions, including the coordination of fresh-air and ventilation requirements for VRV/VRF projects. Read our guide to fresh air systems for VRV/VRF →
Coordinating a VRV/VRF Project
Most VRV/VRF coordination problems aren't engineering problems — they're timing problems. Piping, drainage, and indoor unit positions that would take an hour to adjust before the ceiling closes can take days once it doesn't.
If you're an interior designer or main contractor working with us on a project, our VRV/VRF project coordination guide → walks through what we need at each phase, from design through handover.
Common Questions
They're the same technology. VRV (Variable Refrigerant Volume) is Daikin's trademark; VRF (Variable Refrigerant Flow) is the generic industry term other brands use. Both run many indoor units from one or more outdoor units, varying refrigerant flow to match each zone's load.
两者是同一种技术。VRV（变冷媒流量）是大金（Daikin）的注册商标；VRF 则是其他品牌使用的行业通用名称。两者都用一台或多台室外机连接多台室内机，根据各区域负荷自动调节冷媒流量。
For offices and commercial buildings it gives individual room control, high part-load efficiency (it only cools the zones in use), quieter operation, and far less outdoor space — one outdoor unit replaces many condensers. It's the standard for medium-to-large fit-outs.
对办公室与商业楼宇而言，它提供逐间独立控制、极高的部分负荷节能（只对使用中的区域制冷）、更安静的运行，并大幅节省户外空间——一台室外机可取代多台冷凝器。这是中大型装修的标准配置。
Both. We build from your M&E consultant's drawings, or prepare the system layout using the manufacturer's selection tools — indoor unit selection and placement, refrigerant piping and drainage routing, and controls. We supply, install, test, and commission.
两者都做。我们可依据 M&E 顾问的图纸施工，也可使用厂家选型软件规划系统布置——室内机选型与布置、冷媒铜管及排水走向、控制系统。提供供货、安装、测试与调试的完整服务。
Daikin VRV, plus VRF systems from Mitsubishi, Panasonic, Midea, Hisense and others. We'll recommend the brand and configuration that fits your building and budget.
大金 VRV，以及三菱、松下、美的、海信等品牌的 VRF 系统。我们会根据您的楼宇与预算，推荐合适的品牌和配置。
It's quoted per project — cost depends on total capacity (HP), the number and type of indoor units, piping runs, and controls. We provide a free site assessment and a clear, itemised quotation, so there's no guesswork.
按项目报价——价格取决于总容量（匹数）、室内机数量与类型、铜管走线及控制系统。我们提供免费现场评估及清楚、逐项列明的报价，绝不含糊。
Yes. It's well suited to retrofits and phased fit-outs — compact piping and modular indoor units let us work floor-by-floor with minimal disruption. We coordinate with your other trades and can work after hours where needed.
可以。它非常适合旧楼改造与分阶段装修——紧凑铜管与模块化室内机让我们能逐层施工，将干扰降到最低。我们会与其他工种协调，必要时安排非办公时间施工。
Scheduled servicing every 3–6 months keeps it efficient and protects the warranty — filter cleaning, coil checks, refrigerant and drainage inspection. For offices and building owners we offer maintenance contracts (AMC) so it's handled for you.
建议每 3–6 个月定期保养，以维持效率并保障保修——滤网清洗、散热片检查、冷媒及排水检查。针对办公室与业主，我们提供年度保养合约（AMC），让您省心。
You get our workmanship warranty plus the manufacturer's equipment warranty. We're a local PJ-based team, so after-sales response is fast — and we can put you on a maintenance contract for ongoing peace of mind.
您将获得我们的施工保修及厂商设备保修。我们是本地八打灵再也团队，售后响应快速——也可为您安排保养合约，长期安心。
Capability, track record, and how we work — in one PDF for your consultant or procurement team.
Download Company Profile (PDF)