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Indoor Unit Operation & Installation Manual
Please read this manual carefully before using
Keep this operation manual for future reference
Original instructions
AD072MQERA
AD092MQERA
AD122MQERA
AD152MQERA
AD182MQERA
AD242MQERA
AD282MQERA
AD302MQERA
AD362MQERA
AD422MQERA
AD482MQERA
AD542MQERA
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Summary of Contents for Haier AD072MQERA
- Page 1 Indoor Unit Operation & Installation Manual AD072MQERA AD092MQERA AD122MQERA AD152MQERA AD182MQERA AD242MQERA AD282MQERA AD302MQERA AD362MQERA AD422MQERA AD482MQERA AD542MQERA Please read this manual carefully before using Keep this operation manual for future reference Original instructions...
- Page 2 User Manual Your air conditioner may be subject to any Contents change owing to the improvement of Haier products. Parts and Functions MRV series multiple air conditioner systems adopt the consistent running mode, by which, Safety all indoor units can only be heating or refrigerating operation at the same time.
- Page 3 Parts and Functions indoor unit air duct soft connection air outlet port air inlet port...
- Page 4 Safety If the air conditioner is transferred to a new user, this manual shall be transferred to the user, together with the conditioner. Before installation, be sure to read Safety Considerations in this manual for proper installation. The safety considerations stated below is divided into “ Warning”...
- Page 5 Safety Attention It is not allowed to put any heating 3-minute protection apparatus under the indoor units, for the To protect the unit, compressor can be heat may cause distortion of the units. actuated with at least 3-minute delay after stopping.
- Page 6 Maintenance ※Only when the air cleaner is switched off and disconnected to the power supply can it be cleaned, or electric shock and injury may appear. Cleaning the air outlet port and the shell: Attention Don’t use gasoline, benzene, diluents, polishing powder or liquid insecticide to clean them. Do not clean them with hot water of above 50℃...
- Page 7 Fault Checkup Please check the following when consigning repair service: Symptoms Reasons Water flow sound can be heard when starting operation, during operation or immediately after stopping operation. When it starts to work for 2-3 minutes, the sound may become louder, which is Water flow sound the flowing sound of refrigerant or the draining sound of condensed water.
- Page 8 Installation Procedures The standard attached accessories of the units of this series refer to the packing; prepare other accessories according to the requirements of the local installation point of our company. 1. Before installation [before finishing the installation, don’t throw away the attached parts required for the installation] Determine the route to move the unit to the installation site;...
- Page 9 Installation Procedures 3. Preparation before Installation (1) Location relation between inspection hole on the ceiling and the unit and the hoisting studs (unit: mm). Size (mm) (mm) (mm) (mm) Model AD072-182 MQERA AD242-302 MQERA AD362-542 1404 530 1368 MQERA (2) If necessary, make a hole for installation and inspection on the ceiling. (used for the situation with a ceiling) For the size of the inspection hole on the ceiling, please refer to the above drawing.
- Page 10 Installation Procedures Static Pressure Range Static Pressure Range unit: Pa 0~200 4. Drainpipes 512mm AD072-302MQERA 473mm drain pipe 414mm gas pipe liquid pipe 468mm 30mm 738mm 30mm AD362-542MQERA 468mm 405mm 467mm (a) Keep a gradient (1/50-1/100) of the drainpipes and avoid lobing or curving. Proper Piping Improper Piping hanging bolt...
- Page 11 Installation Procedures wash port drainage hose wash port joint (purchased at local shop) sealing washer [for insulation] (accessory) main unit hard PVC tube (purchased at local shop) drainage hose thread clip binding sealing washer [for insulation](accessory) (accessory) sealing washer [for insulation](accessory) ensure the biggest height difference (about 100mm) When the laid drain piping is used for multiple equipments,...
- Page 12 For the choice and installation of air return port, air return pipe, air exhaust port and exhaust pipe, please consult service personnel of Haier company. Calculate the design chart and exterior static pressure, and select the exhaust pipe with appropriate length and shapes.
- Page 13 Installation Procedures 7.Connection of return air duct (setting back air return opening when leaving factory) Remarks: In installation, you can select the lower air return or back air return by adjusting the location of air inlet frame. Air return from bottom will influence the unitnoise,so we suggest use rear return installation.
- Page 14 Installation Procedures 9.Install outlet flange Install outlet flange basising the needs, the outlet flange is standard component, bolts are laied in accessories box. Note: You can select not to connect with the flange. Instead of it, you can use the round plastic air outlet (purchased by user) ceiling 10.
- Page 15 Installation Procedures Tubing Materials & Specifications Model AD072~092MQERA AD122~182MQERA AD242~542MQERA 9.52 12.7 15.88 Gas pipe Tubing Size (mm) Liquid pipe 6.35 6.35 9.52 Tubing Material Phosphor deoxybronze seamless pipe (TP ) for air conditioner Refrigerant Filling Amount Add the refrigerant according to the installation instruction of outdoor unit. The addition of R410A refrigerant must be performed with a measure gage to ensure the specified amount or compressor failure can be caused by filling too much or little refrigerant.
- Page 16 Electrical Wiring Warning Electrical construction should be made with specific mains circuit by the qualified personnel according to the installation instruction. Electric shock and fire may be caused if the capacity of power supply is not sufficient. During arranging the wiring layout, specified cables should be used as the mains line, which accords with the local regulations on wiring.
- Page 17 Electrical Wiring Signal Wiring Drawing outdoor 1 outdoor 3 outdoor 2 P Q A B C A B C A B C control wire for wired controller with polarity communication wire with polarity indoor 5 indoor 4 indoor 1 indoor 2 indoor 3 P Q A B C P Q A B C...
- Page 18 Electrical Wiring...
- Page 19 Electrical Wiring...
- Page 20 Electrical Wiring (C) Jumper definition description Electronic expansion valve PMV manual control settings(CN27, CN29) Manually fully open CN27: short circuit CN27 for 2 seconds after power, the PMV fully opened. Manually fully close CN29: short circuit CN29 for 2 seconds after power, the PMV fully closed.
- Page 21 Electrical Wiring Code setting of wired controller Function switches Switch Code Function description Default setting Remarks status Auxiliary wired controller Master wired controller Common wired controller New fan-only has refrigerating, heating, and air supplying modes Display ambient temperature Do not display ambient temperature lock disabled lock enabled Collect ambient temperature of wired...
- Page 22 Test Run & Fault Code Before Test Run Before switching it on, test the supply terminal tier (L, N terminals) and grounding points with 500V megaohm meter and check if the resistance is above 1MΩ. It can’t be operated if it is below 1MΩ. Connect it to the power supply of outdoor units to energize the heating belt of the compressor.
- Page 24 Qingdao Haier Air Conditioner Electric Co.,Ltd. Haier Industrial Park,Qianwangang Road,Eco-Tech Development Zone, Qingdao 266555,Shandong,P.R.C.