Pioneer YN-L Series Addendum Manual
Multi-zone ductless mini split system air conditioner / heat pump
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DUCTLESS MINI SPLIT SYSTEM AIR CONDITIONER / HEAT PUMP
YN-L Multi-Zone Series
For 2/3/4/5-Circuit Systems
Quantum Ultra - WT/RT/UT/CT/FT Indoor and YN Outdoor
For Use with Designated Pioneer® Free-Match Air Handlers, as an Add-On to Primary Manual
INVERTER
INVERTER
Addendum to
Standard Manual
(for Multi-Zone)
IMPORTANT NOTICE:
Please read this manual carefully before installing
or operating your new air conditioning system.
Be sure to save this manual for future reference.
REV250407
Related Manuals for Pioneer YN-L Series
Summary of Contents for Pioneer YN-L Series
- Page 1 DUCTLESS MINI SPLIT SYSTEM AIR CONDITIONER / HEAT PUMP YN-L Multi-Zone Series For 2/3/4/5-Circuit Systems Quantum Ultra - WT/RT/UT/CT/FT Indoor and YN Outdoor For Use with Designated Pioneer® Free-Match Air Handlers, as an Add-On to Primary Manual INVERTER INVERTER Addendum to...
- Page 2 To ensure proper performance, safety, and warranty coverage, this outdoor section must only be used with designated Pioneer® brand indoor units that are explicitly approved for use within this product line. While only specific model combinations are currently supported, additional compatible indoor unit types may be introduced in future product releases.
- Page 3 Allowable Zone Combinations for Multi-Circuit Systems Outdoor Unit Model Number YN020GLSI24M2G YN030GLSI24M3G YN040GLSI24M4G YN050GLSI24M5G Number of Available Zones Two (2) Three (3) Four (4) Five (5) 9 + 9 12 + 9 9 + 9 12 + 9 9 + 9 9 + 9 12 + 9 18 + 9...
- Page 4 Considerations for A2L Refrigerants Safety Information for A2L Refrigerants Because your system contains R-454B refrigerant, the following notices should be read and followed. It must be noted that venting any type of refrigerant into the atmosphere is always illegal and is punishable under federal and local regulations.
- Page 5 Considerations for A2L Refrigerants Servicing Information for A2L Refrigerants The appliance must be stored in a manner Area Ventilation: Ensure the area is free ▪ ▪ that prevents mechanical damage. from flammable materials and that conditions ▪ Any work procedure affecting safety are controlled to maintain a safe working measures must be carried out exclusively environment...
- Page 6 Considerations for A2L Refrigerants ▪ Ventilated Area: Ensure that refrigeration piping and ◦ Ensure that work is conducted either in an components are installed in locations where open area or in a space with adequate they are not exposed to substances that could ventilation before breaking into the system cause corrosion.
- Page 7 Considerations for A2L Refrigerants Cabling: Ensure that cabling is not exposed to ◦ Oxygen-Free Nitrogen (OFN) must be ▪ wear, corrosion, excessive pressure, vibration, purged through the system before and sharp edges, or other adverse environmental during brazing. factors. Consider the long-term effects of aging Removal and Evacuation: When ▪...
- Page 8 Considerations for A2L Refrigerants Decomissioning Information for A2L Refrigerants ◦ Decommissioning: Before starting F. Cylinder Positioning: Ensure the decommissioning, the technician must be recovery cylinder is placed on a scale before fully familiar with the equipment and its starting the refrigerant recovery process. components.
- Page 9 Considerations for A2L Refrigerants Recovery Information for A2L Refrigerants Recovery Procedure: When removing refrigerant ◦ Before using the recovery machine: from a system for servicing or decommissioning, the Verify that it is in proper working order following best practices must be observed to ensure and has been properly maintained.
- Page 10 Considerations for A2L Refrigerants WARNING USAGE STATEMENT ◦ Do not use any unauthorized methods to accelerate ◦ Before unloading and opening the container, use a the defrosting process or for cleaning. Follow only flammable gas detector to check for potential leaks. the manufacturer's recommended procedures.
- Page 11 Considerations for A2L Refrigerants Preparation for Working on Systems With A2L Refrigerants Wear Don’t Use Ventilation No Flammable Electronics Protective Necessary Sources Gear Near System Refrigerant Leakage Detector Determining Installation Location A handheld leakage detector can It is vital that the systems are installed in aid with tracing and isolating suitable locations based on the guidelines refrigerant leaks.
- Page 12 Considerations for A2L Refrigerants (If Applicable) Charging Protocol for A2L Refrigerants Important Considerations: Minimum Floor Area Requirement: The required minimum floor area A for an 1. The air conditioner must be installed and appliance with a refrigerant charge M (kg) serviced by qualified personnel.
- Page 13 Considerations for A2L Refrigerants Where Category = R454-B, LFL = 0.303 kg/m The standard factory refrigerant charge amount as Table GG.2 - Minimum Room Area (m well as the maximum allowable charge are as follows: R454-B Refrigerant R454-B Refrigerant Model (BTU) (Standard Charge) (Maximum Charge) (28.2 oz)
- Page 14 Outdoor Section Installation Connecting Refrigerant Piping for Multi-Circuit Condensers Note Prior to Installation: The process for connecting the copper refrigerant lines for indoor and outdoor are given in the full installation manual. Repeat the process for connection and leak-checking according to the amount of zones to be installed.
- Page 15 Outdoor Section Installation Allowable Connected Piping Length / Elevation Differences Note Prior to Installation: When installing multiple indoor units to work with a single outdoor unit, ensure that the length of the refrigerant pipe and the drop height between the indoor and outdoor units meet the requirements illustrated in the following diagram: Outside Unit Inside Unit...
- Page 16 Wiring Cover Wiring Diagram 2 Zone System 5 Zone System Cable Wire Specifications 2-Zone 3-Zone 4-Zone 5-Zone Pioneer YN-L Series Multi Split Sectional Area (AWG) Power Supply Cable 12 AWG 10 AWG 10 AWG 8 AWG 3(L) Connection Cable for...
- Page 17 Outdoor Section Installation Anchoring the Outdoor Unit Model YN020GLSI24M2G (18000 BTU / 2-Zone) YN030GLSI24M3G (27000 BTU / 3-Zone) YN040GLSI24M4G (36000 BTU / 4-Zone) YN050GLSI24M5G (42000 BTU / 5-Zone) WHEN DRILLING INTO CONCRETE, WEAR EYE PROTECTION AT ALL TIMES! ...
- Page 18 Outdoor Section Installation Refrigerant Circuit Evacuation Procedures (2-Zone) For 2-Zone systems, the protocol for evacuation is identical to single-zone systems, and is merely repeated once for the 2nd zone. Consult your primary installation manual for the proper procedure. Refrigerant Circuit Evacuation Procedures (3/4/5-Zone) For 3/4/5-Zone systems, there is a set of Master (King) Valves in addition to the set of valves that correspond to each respective zone/circuit.
- Page 19 Outdoor Section Installation Refrigerant Circuit Evacuation Procedures (3/4/5-Zone) 3. Stabilize and Check Manifold Gauge Low-Side Gauge • Once the target vacuum is reached, close the High-Side Gauge low-pressure knob on the manifold and turn off the 500 Microns or -29.92”Hg High-Pressure Knob vacuum pump.
- Page 20 Appendix Outdoor Condensing Unit Control Board Wiring Diagrams OUTDOOR UNIT: YN020GLSI24M2G OUTDOOR UNIT: YN030GLSI24M3G Page 19 ...
- Page 21 Appendix Outdoor Condensing Unit Control Board Wiring Diagrams OUTDOOR UNIT: YN040GLSI24M4G OUTDOOR UNIT: YN050GLSI24M5G Page 20 ...
- Page 22 Appendix Product Disposal Guidelines This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. Do not dispose of this product as household waste or unsorted municipal waste. All refrigerant and oil must be removed prior to disposal as outlined within this manual. When disposing of this appliance, you have the following options: •...
- Page 23 Appendix If Refrigerant Has Been Added to the System During Install (For the Installer) Please fill in the following: The factory refrigerant charge of the product (located on the outdoor unit nameplate). The additional refrigerant charged into product. 1+2) The total refrigerant charge. kg (ozs) kg (ozs) kg (ozs)
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