This document is an installation manual for the Daikin Sky Air Advance-series outdoor units, specifically models RZASG71M2V1B, RZASG100M7V1B, RZASG125M7V1B, RZASG140M7V1B, RZASG100M7Y1B, RZASG125M7Y1B, and RZASG140M7Y1B. It provides detailed instructions for authorized installers on how to prepare the installation site, install the outdoor unit, connect refrigerant piping and electrical wiring, and perform commissioning.
Function Description
The Daikin Sky Air Advance-series units are outdoor air conditioning units designed for commercial and light industrial environments. They are part of a larger air conditioning system that typically includes indoor units. These units use R32 refrigerant, which is a mildly flammable fluorinated greenhouse gas with a Global Warming Potential (GWP) value of 675. The system's primary function is to provide heating and cooling, with specific operational modes like "defrosting" and "thermostat stop."
Important Technical Specifications
Refrigerant:
- Type: R32
- Global Warming Potential (GWP): 675
- Factory charge for RZASG71: 2.45 kg (for 5~30 m piping length)
- Factory charge for RZASG100-125: 2.6 kg (for 5~30 m piping length)
- Factory charge for RZASG140: 2.9 kg (for 5~30 m piping length)
- Maximum working pressure (PS High) is specified on the unit nameplate.
Electrical Specifications:
- V1 models (RZASG71M2V1B, RZASG100M7V1B, RZASG125M7V1B, RZASG140M7V1B):
- Voltage range: 220~240 V, 1~ phase, 50 Hz
- Minimum Circuit Ampacity (MCA): RZASG71: 19.4 A; RZASG100: 24.3 A; RZASG125: 31.3 A; RZASG140: 30.5 A
- Recommended field fuse: RZASG71: 20 A; RZASG100: 25 A; RZASG125/140: 32 A
- Comply with EN/IEC 61000-3-12 for harmonic currents (input current >16 A and ≤75 A per phase).
- Y1 models (RZASG100M7Y1B, RZASG125M7Y1B, RZASG140M7Y1B):
- Voltage range: 380~415 V, 3N~ phase, 50 Hz
- Minimum Circuit Ampacity (MCA): RZASG100: 15.9 A; RZASG125/140: 16.9 A
- Recommended field fuse: RZASG100: 16 A; RZASG125/140: 20 A
- Comply with EN/IEC 61000-3-2 for harmonic currents (input current ≤16 A per phase).
- Minimum cable section for interconnection cables: 2.5 mm² (for 230 V).
- Earth leakage circuit breaker: Must comply with applicable legislation.
Piping:
- Liquid piping flare connection: Ø9.5
- Gas piping flare connection: Ø15.9
- Piping length for additional refrigerant calculation varies by model and configuration (pair, twin, triple, double twin).
- Tightening torques for flare nuts are critical to prevent leaks.
Installation Site Requirements:
- Sound pressure level: Less than 70 dBA.
- Minimum free space under the outdoor unit: 150 mm (if drain holes are covered).
- Recommended height of the upper protruding part of anchor bolts: 20 mm.
- Spacing guidelines are provided for single units, multiple rows, and stacked units, considering obstacles and discharge/suction sides.
Usage Features
- Vacuum Mode Field Setting: This feature is crucial for proper installation and maintenance. It opens required valves in the refrigerant circuit to facilitate vacuuming or recharging of refrigerant. It must be activated before vacuum drying or recharging and deactivated afterward.
- Test Run: A test run can be performed using the BRC1E52 user interface to check the unit's operation, including airflow direction.
- Error Code Display: The unit's user interface can display error codes (e.g., E3, E4, L8, E7, L4, U0, U2, U4, UF, UA) to indicate installation issues or malfunctions, such as closed stop valves, blocked air inlets/outlets, missing phases, or incorrect wiring.
- Reversed Phase Protection Detector: This detector functions only during startup to prevent abnormalities caused by reversed phases in three-phase power supply units.
Maintenance Features
- Refrigerant Charging: The manual details procedures for charging additional refrigerant when the total liquid piping length exceeds specified limits, and for completely recharging the system after recovery or a leak. This includes determining the correct amount of refrigerant based on piping length and configuration.
- Leak Test: Nitrogen gas pressurization (up to 200 kPa, recommended 3000 kPa) and bubble test solution are used to check for leaks in the refrigerant piping.
- Vacuum Drying: This process removes moisture from the system by evacuating it to -0.1 MPa (-1 bar) for at least 2 hours.
- Insulation Resistance Check: After installation, the insulation resistance of the compressor should be checked using a 500 V mega-tester. If the resistance is below 1 MΩ, the unit should be powered on for 6 hours to heat the compressor and evaporate any accumulated refrigerant, then rechecked.
- Fluorinated Greenhouse Gases Label: A label must be filled out and affixed inside the outdoor unit, detailing the factory refrigerant charge, additional charge, total charge, and greenhouse gas emissions in tonnes CO2-equivalent. This is important for compliance with European legislation regarding maintenance intervals.
- Service Ports: The refrigerant circuit features additional service ports for vacuuming, pressure relief, or pressurizing the circuit, especially in sections isolated by specific components like valves.
- Snow Prevention: In regions with snowfall, knockout holes can be drilled in the bottom plate to prevent snow buildup and freezing, which could decrease operating efficiency.
- Drainage: A drain plug kit (field supply) can be used to prevent drain water from dripping.
- Disposal: The manual emphasizes that dismantling, refrigerant treatment, oil, and other parts must comply with applicable legislation and be handled by a specialized treatment facility for reuse, recycling, and recovery.
Need help?
General
To Next Page
