Page 2 - Contents
2 Contents SAFETY INFORMATION .................. 3 EXTERNAL APPEARANCE .............. 5 • External Appearance ........................... 5 ACCESSORIES ............................... 6 • Accessories ........................................ 6 BEFORE INSTALLATION ................. 7 • AHU-KIT Structu...
Page 3 - SAFETY INFORMATION; Risk of death or serious personal injury.; Use R410A refrigerant.; WARNING
3 The following safety precautions must be taken when installing the unit. Be aware that AHU-KIT has to be combined with DVM S Series outdoor unit only. SAFETY INFORMATION Risk of death or serious personal injury. Potential risk of personal injury or material damage. Use R410A refrigerant. O When us...
Page 4 - CAUTION
4 Use the copper wire for the power cable and use only rated cables and parts. Make sure electrical circuit is correctly connected. O Overheating may cause fire. Install the cables with supplied cables firmly. Fix them securely so that external force is not exerted to the terminal board. O If the co...
Page 5 - EXTERNAL APPEARANCE; External Appearance
5 EXTERNAL APPEARANCE External Appearance EEV-KIT Control-KIT No. Parts and components 1 EEV body (Coil wire : 2.5/5.0 HP = 2 m 7.5/10.0 HP = 7 m) 2 Lower insulation 3 Upper insulation 4 Holder 5 Cover 6 Clamp No. Parts and components 1 Controller board 2 Case 3 Cover K EEV -Kit is not included in t...
Page 6 - Accessories; ACCESSORIES
6 Accessories ITEM Room/EVA IN sensor (10 m) EVA OUT sensor (10 m) Disch. sensor (10 m) EVA IN sensor holder (OD Ø 6.8 mm) EVA OUT sensor holder (OD Ø 7.8 mm) Sensor clip QUANTITY 1 1 1 1 1 2 IMAGE ITEM Aluminum tape Rubber tape Insulator QUANTITY 4 2 2 IMAGE 110㎜ 85㎜ 110㎜ 85㎜ 170㎜ 100㎜ ITEM Cable-t...
Page 7 - AHU-KIT Structure Diagram; Recommended AHU Size; BEFORE INSTALLATION
7 AHU-KIT Structure Diagram Supply Air Fresh Air Return Air Exhaust Air Outdoor Unit EEV Kit EEV Control EVA INSensor EVA OUT Sensor Gas pipe Liquid pipe Communication F1, F2 Simple BMS(field supply) External Controller (field supply) Room Sensor Remote Controller (optional) ON/OFF SWITCH OPERATION ...
Page 8 - Control-KIT Installation; ) Open the box and connect the cables according to the diagram.; INSTALLATION
8 Control-KIT Installation 1) Drill 4 holes on the correct position of the wall and fix the Control-KIT securely. (refer to the dimension of figure below.) 2) Open the box and connect the cables according to the diagram. ( Wires should be pulled through the Cable-nut, before connecting to the termin...
Page 10 - Control-KIT Circuit Diagram
10 Control-KIT Circuit Diagram K AHU-KIT sensor has approximately 10 ㏀ of resistance value at indoor temperature of 25˚C. W INSTALLATION (Continued)
Page 11 - Simple BMS; Circuit diagram of Simple BMS
11 • Simple BMS can control Room temperature or Discharge temperature by setting SEG17 of 5 series Installation option. - For controlling Room temperature : SEG17 of 5 series Installation option → 0 - For controlling Discharge temperature : SEG17 of 5 series Installation option → 1 - For controlling...
Page 13 - Setting the temperature
13 Setting the temperature • Keep the power supply of Simple BMS in 10 V ± 0.2 V. • If the Simple BMS uses variable resistor(VR), make the electric resistance of VR under 1 ㏀ . • Simple BMS which uses variable resistor(VR) need to be connected to the AHU-KIT with 1:1 link.• Use the Simple BMS which ...
Page 14 - Connecting the Power Terminal; Connecting Power/Communication cable
14 Connecting the Power Terminal Connecting Power/Communication cable • Turn off the power before connecting the power terminal.• Maximum cable length and the amount of voltage drop for AHU power/communication cables should be under 10 %.• Consider power usage of the AHU when installing the ELB.• Co...
Page 15 - Control-KIT Connections; Brazing the Pipe; ) Use Nitrogen gas when brazing the pipes as shown; The use of Nitrogen gas
15 3 8 N C R Y75 R Y 76 R Y 77 1 8 N C 1(L) 1(N) Control-KIT Connections Vd Vd TR TR TEI TEI V1 V2 F3 F4 F1 F2 TEO TEO COM HP CO AV OV Outdoor unit Wired remote controller F3 : Wired remote controller commnunication cable F4 : Wired remote controller commnunication cable F1 : Outdoor unit communicat...
Page 17 - Sensor Installation
17 EVA OUT DISCHARGE Sensor Installation 1) EVA IN sensor should be attached after the distributor, on the coldest part of the heat exchanger pipe. 2) EVA OUT sensor should be installed approximately 200 mm behind the header of AHU heat exchanger. 3) EVA IN/OUT sensor should be insulated for optimiz...
Page 18 - Sensor installation example 1; ) Check the sensor and the sensor holder.; Sensor attachment method.; ) Attach the insulator around the sensor.
18 Sensor installation example 1 1) Check the sensor and the sensor holder. 3) Insert sensor and the sensor clip in the sensor holder. 4) Bend end of the sensor clip to fix the sensor. 2) Braze the sensor holder on the selected location of the pipe. Sensor attachment method. • Choose the location wh...
Page 19 - Sensor installation example 2; ) Hold the sensor and put aluminum tape around to fix the
19 1) Check the sensor and the sensor holder. 2) Put the sensor on the pipe. Sensor attachment method. • Choose the location where temperature can be measured correctly. (Refer to page 16) • Try to attach closely to the contact surface. • Do not use the sensor holder. Sensor installation example 2 3...
Page 20 - Setting an indoor unit address and installation option; The procedure of option setting; Step 1. Entering mode to set option; Step 2. The procedure of option setting; FUNCTION SETTING
20 Setting an indoor unit address and installation option f Set the indoor unit address and installation option with remote controller option. Set the each option separately since you cannot set the ADDRESS setting and indoor unit installation setting option at the same time.You need to set twice wh...
Page 22 - Step 3. Check the option you have set
22 W FUNCTION SETTING (Continued) Option setting Status 1. Setting SEG16, SEG17 optionPress Low Fan button( ) to enter SEG16 value.Press High Fan button( ) to enter SEG17 value.Each time you press the button, p p … p will be selected in rotation. SEG16 SEG17 2. Setting Dry mode Press Mode button to ...
Page 24 - 2 series installation option
24 W FUNCTION SETTING (Continued) Setting an indoor unit installation option (suitable for the condition of each installation location) 1. Check whether power is supplied or not. - When the indoor unit is not plugged in, there should be additional power supply in the indoor unit. 2. The reception pa...
Page 26 - 5 series installation option
26 W FUNCTION SETTING (Continued) SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 0 5 Use of Auto Change Over for HR only in Auto mode (When setting SEG3)Standard heating temp. Offset (When setting SEG3)Standard cooling temp. Offset (When setting SEG3)Standard for mode change Heating → Cooling SEG7 SEG8 SEG9 SEG10 SE...
Page 29 - ) Check the connection status between Indoor unit and the AHU-KIT.; EEPROM Error; TROUBLESHOOTING
29 Initial Check-up 1) Check the connection status between Indoor unit and the AHU-KIT. • Make sure you have followed instructions and wiring diagram shown in the installation manual. • Make sure AHU-KIT PBA is installed in a place where there are no influence from outdoor humidity, dust and tempera...
Page 30 - AHU-KIT heat exchanger EVA OUT sensor detachment error; Sensor Error; AHU-KIT heat exchanger EVA IN sensor detachment error
30 AHU-KIT heat exchanger EVA OUT sensor detachment error Outdoor unit display ↔ xxx (xxx : Address of an indoor unit with an error) Explanation Refer to below explanation. Reason Indoor heat exchanger EVA OUT sensor detachment. 1) Self check • Check for AHU-KIT heat exchanger EVA OUT sensor. Make s...
Page 31 - AHU-KIT temperature sensor OPEN/SHORT error
31 AHU-KIT temperature sensor OPEN/SHORT error 1) Self check • Wired remote controller will show the same error shown in the outdoor unit. Is indoor room temperature sensor connector properly connected to PBA socket? Check the resistance value of room temperature sensor connector and the PBA after d...
Page 32 - Fan Error
32 1) Self check Outdoor unit display Explanation When Control-KIT outputs fan operation status signal and the fan feedback signal stays OPEN for more than 10 seconds. ( AHU-KIT only) Reason • Poor AHU fan operation• Missing or Incorrect circuit system for fan feedback check. Fan Error Did you set u...
Page 33 - How to Inspect Just in Case the Below Condition is Satisfied
33 How to Inspect Just in Case the Below Condition is Satisfied Outdoor unit display N/A Explanation In Cool mode, Min.100 and Max.480 EEV steps can be controlled.In Heat mode, Min 250 EEV steps can be controlled. Reason • Inappropriate EVA IN/OUT sensor location• Reversed EEV coil installation• All...
Page 36 - AHU-KIT Installation Check; AFTER INSTALLATION
36 AHU-KIT Installation Check 1) Ensure that Control-KIT is correctly installed. • You can choose the built-in type or auxillary type depending on installation environment. • Ensure that the Control-KIT cables are correctly connected. • Control-KIT should be fireproofed and avoid direct sunlight upo...
Page 37 - Test Operation
37 Test Operation 1) Before turning the power on, use DC 500V insulation tester to check the power terminal (L,N) and the earthing on AHU-KIT. • Resistance value should be over 30 MΩ . 2) Test the voltage of power(L, N) before turning on the power. 220V N L <ELB> 3) Check the list below after ...
Page 38 - MEMO
