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Quick Installation Guide
Outdoor Unit and Piping Installation
WARNING: Do not attempt to install this equipment unless you've been properly trained.
• To obtain training, please contact your local Fujitsu Airstage Distributor.
• Use this Quick Installation Guide to install Airstage "J-II" Heat Pump Systems only. It does NOT replace the Installation Manual.
• Refer to the Installation Manual for complete installation requirements.
• When installing indoor units, always refer to the Installation Manual included with each indoor unit.
• All work must be performed by a qualified person certified under any local, regional, governmental or national regulations to
conduct refrigeration piping work and the handling of R-410a refrigerant.
• The manufacturer shall in no way be responsible for improper installation, start-up, maintenance or service, including failure to
follow all appropriate instructions within the Installation Manual.
• Do not power the indoor or outdoor units until all wiring, piping, evacuation and refrigerant charging work is completed.
• Carefully read the Installation Manual before commencing installation. Observe all local, state, province and or national codes.
• For Technical Support, please contact:
• Fujitsu Distributor Technical Service Advisor (TSA)
• Fujitsu Service Department (973) 575-0381
Refer to the Installation Manual for complete installation details.
J-II Heat Pump
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Summary of Contents for AirStage AOUA36RLAVM
- Page 1 • To obtain training, please contact your local Fujitsu Airstage Distributor. • Use this Quick Installation Guide to install Airstage “J-II” Heat Pump Systems only. It does NOT replace the Installation Manual. • Refer to the Installation Manual for complete installation requirements.
- Page 2 Typical Installation Work Flow Indoor unit installation Transmission line wiring Condensate drain installation Remote Controller mounting Outdoor unit installation Pre-Start Checklist Refrigerant piping Start-Up Refrigerant piping pressure test IU Unit Connection Check System evacuation Test Run Refrigerant charge adder Commissioning Line voltage wiring Handover Refer to the Installation Manual for complete installation details.
- Page 3 R-410a manifold gauges J-II systems are CHARGED BY WEIGHING IN ADDITIONAL Normal tools for installation REFRIGERANT ONLY. Do not charge by subcooling, superheat, by pressures or any other alternative method. Product Weight (LBS) AOUA36RLAVM Height 52 1/2” AOUA48RLAVM Width 38 3/16”...
- Page 4 Indoor Unit Connected Capacity Range 18,000 to 46,800 BTUH 3 ton- 1 to 6 IU’s 4 ton- 1 to 8 IU’s 24,000 to 62,400 BTUH 30,000 to 78,000 BTUH 5 ton- 1 to 9 IU’s Refer to the Installation Manual for complete installation details.
- Page 5 OD unit must not be installed directly on the ground, as it may result in equipment failure. OD unit must be installed level, +/- 3° Location consideration: Refrigerant piping connections can be installed though (4) different locations into the OD unit. Cold climates: OD unit must be installed at least 2”...
- Page 6 Use of the Fujitsu “Design Simulator” software is highly recommended for pipe selection. Refrigerant piping may be manually selected using these tables. Note Tables A, B and C Use of pipe sizes other than specified is not permitted. 10a, Table A- OD unit to first Separation Tube 10b, Table B- Separation Tube to (optional) Header Pipe length limitations must not be exceeded.
- Page 7 2’ minimum between Separation Tubes or Header(s) Do not connect a Separation Tube downstream of a Header. Refer to the Installation Manual for complete installation details.
- Page 8 Refer to the Installation Manual for complete installation details.
- Page 9 Refer to the Installation Manual for complete installation details.
- Page 10 IMPORTANT! THE ONLY ACCEPTIBLE METHOD TO CHARGE THE J-II SYSTEM IS BY WEIGHING IN THE ADDITIONAL REFRIGERANT! CHARGE CALCULATION IS BASED UPON THE TOTAL LIQUID LINE LENGTH USED If power was turned ON to the indoor unit(s) at any time prior to evacuation, R-410A ONLY! NO ALTERNATE REFRIGERANT USE IS PERMITTED! the indoor unit electronic expansion valve (EEV) will close and inhibit system evacuation.
- Page 11 MCA- Minimum Circuit Ampacity- For selecting wire gauge between circuit “TL” or “transmission line” wiring is referred to as the communication breaker panel and outdoor unit. cable between indoor and outdoor units. GFEB- Ground Fault Equipment Breaker- When required by applicable Code. IMPORTANT! THE ONLY ACCEPTIBLE TRANSMISSION LINE CABLE IS HONEYWELL PART NUMBER P/N 3254, CATALOG NUMBER K00250LW OR K00500LW.
- Page 12 Set the rotary switches in the OD to the desired address. You only need to Indoor units physically piped together with the outdoor unit MUST HAVE change the address if there is more then (1) refrigerant system in a THE SAME REFRIGERANT ADDRESS. communications network.
- Page 13 OUTDOOR UNITS. PLEASE VERIFY REQUIRED VOLTAGE AT THE IU AND OU DISCONNECT BEFORE APPLYING POWER. ALL AIRSTAGE IU’S REQUIRE 208/230 SINGLE PHASE POWER. Continued from Step 21a. AFTER PRESSING “ENTER” FOR MORE THAN (3) SECONDS, PROCEED TO QIG STEP 21b.
- Page 14 Please set the option value (00, 01, 02, 03) to represent the installed, one-way refrigerant pipe length between the ODU and NEAREST IDU. Function Codes are built in set up options within Airstage IU and OU’s. Function Codes are also referred to as “Push Button Settings” in the J-II ODU Installation Manual.
- Page 15 Pressure) setting from 31 (.10” w.g. default) to option value 09 for .36” w.g. Function Codes are built in set up options within Airstage IU and OU’s. Many IDU function codes may be left in their default settings; used at the discretion of the Installer, architect or engineer.
- Page 16 For any questions or concerns, please contact Fujitsu General America, Inc. Trademarks The Fujitsu logo is a registered trademark of Fujitsu Limited. The Airstage logo and name is a trademark of Fujitsu General America, Inc. Copyright © 2016 Fujitsu General America, Inc. Fujitsu General America, Inc.