Indoor Unit Operation & Installation Manual MVAW007MV2AA MVAW009MV2AA MVAW012MV2AA MVAW018MV2AA MVAW024MV2AA MVAW030MV2AA No. 0150522200 • Please read this manual carefully before using. • Keep this operation manual for future reference.
User Manual CONTENTS Parts and Functions ����������������������������������������������������������������������������������������������������������������������������������������������������������1 Safety ��������������������������������������������������������������������������������������������������������������������������������������������������������������������������������2 Emergency Running & Test operation �����������������������������������������������������������������������������������������������
Parts and Functions Indoor Unit Remote signal receiver (A beeping sound is generated when a signal from remote controller isreceived.) Power indicator (Lights up when unit starts.) Timer mode indicator (Lights up whenTimer operation is selected.) Operation mode indicator (lights up when the compressor is on.) Ambient temp display When receiving the remote control signal, display the set temperature.
Safety • This manual should be saved and stored close to this air conditioning equipment. • There are two types if indications. Both are related to safety and should be strictly followed. " Warning" highlights issues that pose a risk of major injury or death. " Caution" highlights issues that pose a risk of equipment or bodily injury. • After installation and start-up commissioning, please give the manual to the user. The manual should be kept in safe place and close to the unit.
Safety Items with this warning sign concerning the product’s safety and the personal security must be performed strictly. Items with this forbidding sign refer to absolutely forbidden behaviors. If not, they may cause machine damage or endanger operator’s personal safety. Clean the filter regularly. Cooling or heating performance will be degraded if the filter is blocked, resulting in large power consumption, failure, and water dripping at freezing. Don’t touch the outlet while the flap is moving.
Safety Notices during Operation Attention • Do not put any heating apparatus under the indoor units. The heat may cause distortion of the units. • 3-minutes protection To protect the unit, there is a 3-minute time-out after the unit stops or after power is applied. • Pay attention to the ventilation to avoid anoxic injury. • Close the window to avoid outdoor air getting in. Curtains or window shutters can be put down to avoid the sunshine. • Do not place an open flame in the path of blowing air.
Emergency Running & Test operation Emergency Running & Test operation: • Emergency running will help air conditioner operate automatically if your remote control is missing or out of work. • Test operation is recommended when room temperature is below 60.8*(16*) but not in normal condition. Emergency Running It is recommended to use only when the remote control is missing or damaged.
Maintenance Cleaning the air filter & air inlet grid. • Don't remove the air filter except for cleaning, or faults may occur. • When the air conditioner operates in the environment with too much dust, clean the air filter on a more regular basis (generally once every two weeks). Cleaning the Air Inlet/Outlet Grilles: Cleaning Air Filter: Attention • Do not use gasoline, benzene, diluents, polishing powder or liquid insecticide to clean them.
Fault Checkup Please make another check. All these are not problems Please check the following when consigning repair service: Symptoms Reasons Water flow sound 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 the flowing sound of refrigerant or the draining sound of condensed water.
Installation Procedures This manual cannot completely illustrate all the properties of the products you bought. Please contact the local Haier distribution center if you have any question or request. Please use the standard tool according to the installation requirements. 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. Choose the suitable installation location.
Installation Procedures 3.Installation Drawing of Indoor Units: (1) Positioning Wall Pad & Locating Wall Holes Fix the pad according to the installation location and the pipe layout of indoor unit (please refer to the installation drawing). Installation should be done under the crossbeam or on the flat wall near the pillar. First fix the pad with a steel nail on the wall. Drop a thread with a bolt through the pad center or use a level meter to find the level.
Installation Procedures Fitting of the Mounting Plate and Positioning of the wall Hole When the mounting plate is first fixed 1. Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against the wall, then temporarily fasten the plate with one steel nail. 2. Make sure once more the proper level of the plate, by hanging a thread with a weight from the central top of the plate, then fasten securely the plate with the attachment steel nail. 3.
Installation Procedures Pipe Length & Height Difference Please refer to the attached manual of outdoor units. Tubing Materials & Specifications Model Tubing Size in(mm) Tubing Material MVAW007~018 MVAW024~030 Gas pipe Ø1/2"(Ø12.7) Ø5/8"(Ø15.88) Liquid pipe Ø1/4"(Ø6.35) Ø3/8"(Ø9.52) Seamless copper pipe rated for R410A refrigerant Refrigerant Recharge Amount Add the refrigerant according to the installation instruction of outdoor unit.
Installation Procedures Installing and Dismantling Indoor Unit 1. Installation During the installation of this series machines, fasten the wall pad on the wall first, hang the machine on the pothook, push it towards the wall pad until the sound of "pa" "pa" is heard. At this time, the agraffes of the indoor unit have hitched on the pad, as shown in the Fig.1 with dotted line. Wall pad Fig. 1 2.
Electrical Wiring WARNING • Follow local codes when selecting wire gauge and connecting to house power. • Use the cable strain relief clips and locking conduit clamps to prevent wires from being pulled off terminal posts. • Unit must be properly grounded. Do not use water or gas piping, phone ground or lightning rod. Attention • Only copper wire can be used. A properly sized breaker should be provided, or electric shock may occur. • Unit requires 208/230VAC - 2 voltage wires and a ground. No neutral.
Electrical Wiring Signal Wiring Drawing Outdoor PQA B C Communication wire between indoor & outdoor without polarity Indoor 1 Indoor 2 PQA B C Control wire for wired controller with polarity Indoor 3 PQA B C PQA B C A BC Indoor 4 Indoor 5 PQA B C A BC Indoor 7 Indoor 6 PQA B C A BC Wired controller Indoor 8 PQA B C A BC PQA B C Wired controller A BC Wired controller Indoor 9 PQA B C Wired controller Wired controller A BC PQA B C Wired controller A BC A BC Wired controller Wired co
Electrical Wiring Wire gauge size and breaker size for total indoor amp draw. Current NEC guidelines and local codes will trump this chart. Items Total Current of Indoor Units(A) <7 ≥7 and <11 ≥11and <16 ≥16 and <22 ≥22 and <27 • • • • • Cross Section AWG (mm2) Length in.(m) Rated Current of Overflow Breaker(A) Rated current of residual Circuit Breaker(A) Ground Fault Interrupter(mA) Response time(S) Cross Sectional Area of Signal Line 14(2.5) 12(4) 10(6) 8(8) 6(10) 65.6(20) 65.6(20) 82(25) 98.
Electrical Wiring (B) Definition and description of SW03 SW03_1 Address setting mode Code-set indoor SW03_2 unit address ~ and centralized SW03_8 controller address (Note 2) 0 1 2 3 0 0 0 … 0 1 1 1 … 1 0 0 0 … 1 0 0 0 … 1 Automatic address setting or wired controller address setting (default) Code-set address Address of Address of centralized 4 5 6 7 8 indoor unit controller 0 0 0 0 0 0# (Default) 0# (Default) 0 0 0 0 1 1# 1# 0 0 0 1 0 2# 2# … … … … … … … 1 1 1 1 1 63# 63# 0 0 0 0 0 0# 64# 0 0 0 0 1
Test Run & Failure 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. To protect the compressor at startup, power it on 12 hours prior to the operation. Check if the arrangements of the drainpipe and connection line are correct.
Qingdao Haier Air Conditioner Electric Co.,Ltd. Haier Industrial Park,Qianwangang Road,Eco-Tech Development Zone,Qingdao 266555, Shandong,P.R.C.
