Page 2 - Contents; Correct Disposal of This Product
2 Contents Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Name of each part and product dimension . . . . . . . . . . . ....
Page 3 - ENGLISH; Safety Information; FOR INSTALLATION; WARNING; Failure to do so may result in fire with overheating.
3 ENGLISH Safety Information When installing the product, the following safety precautions must be taken for the safety of an installer and user. Use R-410A refrigerant. f When using R-410A, the inflow of moisture or foreign substances may greatly affect the capacity and reliability of the product. ...
Page 4 - CAUTION; If the grounding is incomplete, electric shock may occur.; Do not install the AHU-KIT in following places.
4 Safety Information FOR INSTALLATION CAUTION Proper earthing should be done as per the rating. f Do not connect the ground wire to the gas pipe, water pipe, lightning rod or a ground wire of a telephone. f If the grounding is incomplete, electric shock may occur. Follow the instructions in this man...
Page 5 - Name of each part and product dimension
5 ENGLISH Name of each part and product dimension Name of each part and product dimension ASS'Y Control(Control part) Place for AHU KIT PBA insertion Wire saddle Terminal block(20P) (Unit : mm) 350 385 (53) 168 182 238 275 ASS’Y EEV(Electronic Expansion Valve): Accessory (Ordered separately) For det...
Page 6 - Parts; You need to purchase the wired remote controller additionally.
6 Parts Accessories (supplied) Name Pipe inlet/outlet sensor(7 m) Inlet sensor holder (OD Ø6.8 mm) Outlet sensor holder (OD Ø7.8 mm) Sensor fixing spring Quantity 1 1 1 2 Shape Name Aluminum tape Rubber tape Insulator Cable tie Quantity 4 2 2 8 Shape 110 ㎜ 85 ㎜ 110 ㎜ 85 ㎜ 170 ㎜ 100 ㎜ Additional acce...
Page 7 - Checking before using an AHU KIT; Structure diagram of an AHU-KIT
7 ENGLISH Checking before using an AHU KIT Structure diagram of an AHU-KIT Gas pipe Return air Exhaust air Outdoor air Outdoor unit Communication cable: F1,F2 EEV Control Communication cable: F3,F4 Wired remote controller IN sensor OUT sensor Supply air * Room Temperature Sensor(mA or PT1000) Liquid...
Page 8 - Installing an AHU KIT; Installing ASS'Y Control; Check the installation location of ASS'Y Control.; The length of provided connection cable is 7 m.; Functions of ASS'Y Control
8 Installing an AHU KIT Installing ASS'Y Control 1. Check the installation location of ASS'Y Control. f You can choose either AHU attachment type or AHU separation type depending on the installation environment. 2. Check the length of connection cable of ASS'Y Control. f The length of provided conne...
Page 9 - The types of the sensors must be same.
9 ENGLISH f For HP setting, refer to SEG20 of 05 series in installation option section. (Refer to p.26) f Connect room temperature sensor and discharge temperature sensor(optional) as mA or PT1000Ω type. - When using the mA type sensor, connect to the terminal block +/-(mA). - When using the PT1000Ω...
Page 10 - Wiring diagram for ASS’Y Control
10 Installing an AHU KIT Wiring diagram for ASS’Y Control ❋ AHU KIT sensor displays about 10 KΩ of resistance value at room temperature. ki]_TW[Y_`hTW\pthjjGho|GrzjluUGGGXW YWYYTXXTY_GGG㝘㤸GXWaY^aX^
Page 11 - Simple BMS; Simple BMS setting; Discharge temperature can be set by DMS.; Circuit diagram of Simple BMS; The amount of Hysteresis
11 ENGLISH Simple BMS Simple BMS setting f 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 Ins...
Page 12 - Operational Voltage range against Setting temperature; • Range of Discharge temperature setting
12 Installing an AHU KIT Operational Voltage range against Setting temperature Room temperature setting (05 Series Install Option Seg17=0) Discharge temperature setting (05 Series Install Option Seg17=1) Simple BMS Voltage Range Set Temperature Simple BMS Voltage Range Set Temperature Simple BMS Vol...
Page 13 - Simple BMS Voltage Range
13 ENGLISH Target Pressure Setting (05 Series Install Option Seg17=2) Simple BMS Voltage Range Set Refrigerant Pressure Heating (Condensing Pressure) Cooling (Evaporating Pressure) 10.00 V ~ 9.75 V 33kg/cm2G (469psig) 6.2kg/cm2G (88.2psig) 9.75 V ~ 9.50 V 32.5kg/cm2G (462psig) 6.4kg/cm2G (91psig) 9....
Page 14 - Setting the temperature; Keep the power supply of Simple BMS in 10 V ± 0.2 V.; • Make sure that Simple BMS is connected to
14 Installing an AHU KIT Setting the temperature f Keep the power supply of Simple BMS in 10 V ± 0.2 V. f If the Simple BMS uses variable resistor(VR), make the electric resistance of VR under 1 LJ . f Simple BMS which uses variable resistor(VR) need to be connected to the AHU-KIT with 1:1 link. f Us...
Page 15 - Working on power supply; Connecting power/communication cable; Turn the power off before working on the power supply.; Selecting a solderless terminal; Nominal sectional area for cables
15 ENGLISH Working on power supply Connecting power/communication cable f Turn the power off before working on the power supply. f Maximum cable length and the amount of voltage drop for AHU KIT power/communication cables should be within 10 %. f When installing the MCCB/ELB or ELCB, consider Power ...
Page 16 - Specification of electronic wire; Decide the capacity of ELB and MCCB by below formula.; Connection diagram of ASS'Y Control; Installation example 1) Connection diagram of 1 outdoor unit + 1 AHU
16 Installing an AHU KIT Specification of electronic wire Power supply MCCB ELB Power cable Earth cable Communication cable Max : 242V Min : 198V XA XA, 30 mmA 0.1 s 2.5 mm 2 2.5 mm 2 0.75~1.5 mm 2 f Decide the capacity of ELB and MCCB by below formula. The capacity of ELB, MCCB X [A] = 1.25 X 1.1 X...
Page 17 - Installation example 2) AHU KIT + contact signal for AHU fan ON
17 ENGLISH Installation example 2) AHU KIT + contact signal for AHU fan ON 1(L) 2(N) F1 F2 F3 F4 V1 V2 1 2 4 3 C B A mA - + Vd Vd Contact signal for fan ON AHU MOTOR AHU controller AHU MOTOR POWER SOURE ❋ AHU KIT outputs only contact signals for FAN output.Use the FAN output signal from the AHU cont...
Page 18 - Welding with nitrogen blowing; When welding a pipe, perform nitrozen blowing work.; reliability of ASS'Y EEV cannot be guranteed.; Fix the EEV to AHU fixing groove firmly as shown in the image A below.
18 Installing an AHU KIT Welding with nitrogen blowing ① ③ ④ ⑤ ⑥ ⑥ ② ➀ Refrigerant pipe ➁ Location for welding ➂ Tape ➃ Hands valve ➄ Reducing valve ➅ Nitrogen gas 1. When welding a pipe, perform nitrozen blowing work. - If you didn't blow the nitrogen for pipe welding, many oxides would be accumula...
Page 19 - When the set HP of AHU KIT is set as 20 HP: Connect EEV-1 and EEV-2; K1 button operation
19 ENGLISH 5. For checking EEV service, please attach a label sticker. f Attach one label to upper middle part of ASS'Y EEV valve body and attach the same color of a lable sticker to valve wire housing. 6. Connect the EEV termial block to exact places on PCB according to set HP. f When the set HP of...
Page 20 - Installing IN/OUT sensor; Insulate the EVA IN and OUT sensor so that it is not affected by wind.; Refrigerant flow; Example of ROOM temperature sensor installation; IN/OUT sensor should be fixed with a clip.
20 Installing an AHU KIT Installing IN/OUT sensor 1. Attach the EVA IN sensor after the distributor and on the lowest temperature pipe of a heat exchanger. 2. Install the EVA OUT sensor 200 mm after the header of AHU heat exchanger as shown in the picture. 3. Insulate the EVA IN and OUT sensor so th...
Page 21 - Example of IN/OUT sensor installation 1; Type; • Attach the sensor at the place where temperature
21 ENGLISH Example of IN/OUT sensor installation 1 1. Chcek the sensor and sensor holder you will attach. Clip for sensor fixing Insulator Sensor holder IN/OUT sensor Type Diameter of a sensor (mm) Diameter of a sensor holder (mm) IN sensor(Blue) ø 6 ø 6.8 OUT sensor(Red) ø 7 ø 7.8 NOTE 2. Attach th...
Page 22 - Example of IN/OUT sensor installation 2
22 Installing an AHU KIT Example of IN/OUT sensor installation 2 1. Chcek the sensor and sensor holder you will attach. Type Diameter of a sensor (mm) Diameter of a sensor holder (mm) IN sensor(Blue) ø 6 ø 6.8 OUT sensor(Red) ø 7 ø 7.8 NOTE Insulator Aluminum tape Rubber tape IN/OUT sensor Cable tie...
Page 23 - Setting an address and installation option of AHU KIT; The procedure of option setting; Step 1. Entering mode for option setting; Check if you have entered the option setting status.; Step 2. The procedure of option setting
23 ENGLISH Setting an address and installation option of AHU KIT f Set the address of an AHU KIT and installation option with remote controller options. Set each option separately since you cannot set the ADDRESS setting and indoor unit installation setting option at the same time. You need to set t...
Page 24 - Option setting
24 Setting an address and installation option of AHU KIT Option setting Status 1. Setting SEG2, SEG3 optionPress Low Fan button( ) to enter SEG2 value.Press High Fan button( ) to enter SEG3 value.Each time you press the button, p p … p will be selected in rotation. SEG2 SEG3 2. Setting Cool mode Pre...
Page 25 - Step 3. Checking the option you have set
25 ENGLISH Option setting Status 12. Setting Cool mode Press button to be change to Cool mode in the OFF status. 13. 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 rotat...
Page 26 - Check whether power is supplied or not.
26 Setting an address and installation option of AHU KIT Setting an AHU KIT address (MAIN/RMC) 1. Check whether power is supplied or not. - When the AHU KIT is not plugged in, there should be additional power supply. 2. The reception part of a remote controller is built in the AHU KIT PBA.3. Each ad...
Page 27 - 2 series installation option
27 ENGLISH Setting the installation option of an AHU KIT (suitable for the condition of each installation location) 1. Check whether power is supplied or not. - When the AHU KIT is not plugged in, there should be additional power supply. 2. The reception part of a remote controller is built in the A...
Page 28 - Minimizing fan operation when thermostat is off
28 Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Explanation PAGE Use of drain pump Use of hot water heater Use of electronic heater EEV Step when heating stops Master / Slave Remote Controller Display Indication and Details Indication Details Indication Details 1 0 Default value 1 Noise decreasing settin...
Page 33 - Changing a particular option; You can change each digit of set option.; Ex) When setting the ‘buzzer control’ into disuse status.; Setting discharge temperature control; The discharge temperature control can be set using DMS, also.
33 ENGLISH Changing a particular option You can change each digit of set option. Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Explanation PAGE MODE Option mode to change Tens' digit of an option SEG to change Unit digit of an option SEG to change Changed value Remote Controller Display Indication and Detail...
Page 34 - Trouble shooting; Check the power voltage is AC198 V~AC264 V.; Error on EEPROM; Error on the option of a remote controller
34 Trouble shooting Initial check-up 1. Check the connection status between an outdoor unit and the AHU-KIT. f Check that you have followed wiring method according to the circuit diagram or installation manual. f Check that AHU-KIT PBA is installed in a place where there is no influence from outdoor...
Page 35 - Error on a sensor; Error on the detachment of AHU-KIT heat exchanger EVA IN sensor; Error on the detachment of AHU KIT heat exchanger EVA OUT sensor; Description
35 ENGLISH Error on a sensor Error on the detachment of AHU-KIT heat exchanger EVA IN sensor Outdoor unit display xxx (xxx: Address of an indoor unit with an error) Description Refer to the description below. Reason Detachment of indoor heat exchanger EVA IN piping sensor 1. Description - In Cool mo...
Page 36 - Error on AHU KIT temperature sensor OPEN/SHORT; Checking method; Outdoor unit display; Temperature feature table of PT1000
36 Trouble shooting Error on AHU KIT temperature sensor OPEN/SHORT 1. Checking method Outdoor unit display (Room temperature sensor OPEN/SHORT) (Discharge temperature sensor OPEN/SHORT) Description When the temperature sensor part of AHU KIT is detected as OPEN/SHORT Reason Incorrect installation of...
Page 38 - Error on AHU KIT temperature senor OPEN/SHORT; Yes
38 Trouble shooting Error on AHU KIT temperature senor OPEN/SHORT 1. Checking method Outdoor unit display (EVA IN sensor OPEN/SHORT) (EVA OUT sensor OPEN/SHORT) Description When the temperature sensor part of AHU KIT is OPEN/SHORT Reason Loose contact between a sensor and PBA and defective sensor Is...
Page 39 - Error on a fan
39 ENGLISH Error on a fan Outdoor unit display Description When the feedback signal is maintained as OPEN status for 10 seconds after outputting the fan operation signal from ASS’Y Control ( For AHU KIT) Reason • Fan operation of AHU KIT is abnormal.• The circuit to detect the fan feedback signal of...
Page 40 - Error on EEV step control
40 Trouble shooting Error on EEV step control Outdoor unit display N/A Description In cool mode, EEV step is controlled to minimum 230 steps and maximum 1700 steps. In heat mode, the EEV step is controlled to minimum 1000 steps. Reason • The location of EVA IN/OUT sensor is not correct.• EEV coil is...
Page 41 - Error on tracking; • Wired remote controller will display the
41 ENGLISH Error on tracking Communication error between AHU KIT and an outdoor unit during the tracking (During initial operation) Outdoor unit display Description Communication error between AHU KIT and an outdoor unit Reason Refer to the diagram below. 1. Checking method Is the actual number of A...
Page 43 - Installation check and test operation; Checking AHU KIT installation; Check that ASS’Y Control is correctly installed.; - Make sure the ASS’Y Control is not exposed to sunlight or rain.; Check that the ASS’Y EEV is correctly installed.; that you have insulated the attached sensor.; Test operation; - Measured value should be more than 30 MΩ.
43 ENGLISH Installation check and test operation Checking AHU KIT installation 1. Check that ASS’Y Control is correctly installed. - You can choose either AHU attachment type or AHU separation type. - Check the length of connection cable of ASS'Y Control is correct. - Check that the connection of AS...
Page 44 - This product is India RoHS compliant
This product is India RoHS compliant ki]_TW[Y_`hTW\pthjjGho|GrzjluUGGGY YWYYTXXTY_GGG㝘㤸GXWaY^aY[
