INSTALLATION MANUAL This mark indicates procedures which, if improperly performed, CAUTION might possibly result in personal harm to the user, or damage to PART NO. 9373370130 property. VRF system indoor unit (Wall mounted type: EEV internal) Read carefully all security information before use or install the air conditioner. CONTENTS Do not attempt to install the air conditioner or a part of the air conditioner by yourself.
2.3. Accessories 3. INSTALLATION WORK Correct initial installation location is important because it is diffi cult to move unit after it is WARNING installed. For installation purposes, be sure to use the parts supplied by the manufacturer or other prescribed parts. 3.1.
Fig. B 3.3. Installing the unit Wall hook bracket Center mark WARNING Install the air conditioner in a location which can withstand a load of at least 5 times the weight of the main unit and which will not amplify sound or vibration. If the installation location is not strong enough, the indoor unit may fall and cause injuries.
Installation method of Drain cap Screws (4 position) ● Please put the heat insulation inside all along. ● Use a hexagonal wrench (4mm at opposite side) to insert the drain cap, till the drain cap contacts the tip of drain cock. No gap No gap Push...
4.3.3. Pipe connection CAUTION Install heat insulation around both the gas and liquid pipes. Failure to do so may CAUTION cause water leaks. Use heat insulation with heat resistance above 120 °C. (Reverse cycle model only) Be sure to install the pipe against the port on the indoor unit correctly. If the centering In addition, if the humidity level at the installation location of the refrigerant piping is is improper, the fl...
Refer to the table for the breaker specifi cations of each installation condition. Perform 5. ELECTRICAL WIRING the power crossover wiring within the range of the same refrigerant system. When the crossover wiring is done, make a connection for indoor units to satisfy conditions A and B below.
WARNING 5.3. Unit wiring Use ring terminals and tighten the terminal screws to the specifi ed torques, otherwise, abnormal overheating may be produced and possibly cause heavy damage inside the unit. • Before attaching the cable to terminal block. 5.3.1. Power supply cable Tightening torque 200 mm M4 screw...
(6) Set the switches on the PCB. 6. FIELD SETTING 1 Indoor unit address Rotary switch (IU AD × 1)...Factory setting “0” Rotary switch (IU AD × 10)...Factory setting “0” There are 3 methods for address setting by FIELD SETTING as follows. When connecting multiple indoor units to 1 refrigerant system, set the address at Set by either of the methods.
DIP switch setting 3 Remote controller address 3-wire type Set the DIP switch SET 4 SW3 referring to the Table C. Rotary switch (RC AD SW)...Factory setting “0” Controller PCB When connecting multiple indoor units to 1 standard wired remote controller, set the address at RC AD SW in sequence from 0.
● Dry contact terminal ([CNA02], [CNA04]) 6.6. External input and external output (Optional When a power supply is unnecessary at the input device you want to connect, use the Dry parts) contact terminal ([CNA02], [CNA04]). P.C.B Controller PCB Dry contact CNA02 terminal Ch 1...
● When function setting is “Forced stop” mode. (3) Connection methods [In the case of “Edge” input] • Wire modifi cation Connector Input signal Command Remove insulation from wire attached to wire kit connector. Remove insulation from fi eld supplied cable. Use crimp type insulated butt connector to OFF →...
(2) Install the cable clamp and piping cover. (2) Temporarily fasten the connection cable along the connection pipe with vinyl tape. (Wrap to about 1/3 the width of the tape from the bottom of the pipe so that water does not enter.) Power supply cable Connection cable –...
8. TEST RUN 10. ERROR CODES If you use a wired type remote controller, error codes will appear on the remote control- 8.1. Test run using Outdoor unit (PCB) ler display. If you use a wireless remote controller, the lamp on the photodetector unit will output error codes by way of blinking patterns.