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Summary of Contents for Komfovent MOU-12HFN8a
- Page 1 INSTALLATION MANUAL...
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Page 2: Table Of Contents
For more information about where you can drop off your waste equipment for recycling, please contact your local city office, waste authority, approved WEEE scheme or your household waste disposal service. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 3: Safety Precautions
Install the indoor and outdoor units, cables and wires at least 1 meter from televisions or radios to prevent static or image distortion. Depending on the radio waves, a 1 meter distance may not be enough to eliminate all interference. Fig. 2.1 Fig. 2.2 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... - Page 4 Make sure you refer to Length Specifications to ensure there is enough room for installation and maintenance. Split Type Outdoor Unit (Refer to Fig 3.4, 3.5, 3.6, 3.7) Fig. 2.4 Fig. 2.5 Fig. 2.6 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11...
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Page 5: Drain Joint Installation
NOTE: Make sure the water drains to a safe location where it will not cause water damage or a slipping hazard. Base pan hole of outdoor unit Seal Seal Drain joint Fig. 2.8 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 6: Refrigerant Piping Connection
Hold the pipe at a downward angle to prevent burrs from falling into the pipe. Using a reamer or deburring tool, remove all burrs from the cut section of the pipe. Pipe Reamer Point down Fig. 3.2 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... - Page 7 Check to make sure there is no refrigerant leak after completing the installation work. If there is a refrigerant leak, venti- late the area immediately and evacuate the system (refer to the Air Evacuation section of this manual). UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11...
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Page 8: Piping Diagrams
4. PIPING DIAGRAMS MOU-12HFN8a, MOU-18HFN8a, MOU-24HFN8a MOU-36HFN8a, MOU-48HFN8a, MOU-55HFN8a UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... - Page 9 Heat sink temperature sensor Low pressure switch Refrigerant cooling pipe temperature sensor Accumulator Liquid injection valve Stop valve (gas side) Oil return valve Stop valve (liquid side) Refrigerant bypass valve UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11...
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Page 10: Wiring
Using a wire crimper, crimp u-lugs on the ends of the wires. NOTE: While connecting the wires, please strictly follow the wiring diagram (found inside the electrical box cover). UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 11: Air Evacuation
NOTE: If there is no change in system pressure, unscrew the cap from the packed valve (high pressure valve). If there is a change in system pressure, there may be a gas leak. UAB KOMFOVENT we reserve the right to make changes without prior notice... -
Page 12: Note On Adding Refrigerant
For example - If pipe for liquid refrigerant (Ø 9,52 ) length between outdoor unit and AHU is 10m, additional refrigerant needed: 30 x (10-5) = 150 g. The standard pipe length varies according to local regulations. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 13: Outdoor Unit Specifications
Max. difference in level, m Ambient temp. cooling, °C -15~50 -15~50 -15~50 -15~50 Ambient temp. heating, °C -20...+24 -20...+24 -20...+24 -20...+24 AHU kit KA8142 KA8142 KA8142 KA8142 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... - Page 14 Max. difference in level, m Ambient temp. -15~50 -15~50 -5~48 -5~48 cooling, °C Ambient temp. heating, °C -20...+24 -20...+24 -20...+24 -20...+24 AHU kit KA8142 KA8142 AHUKZ-02D AHUKZ-02D UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11...
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Page 15: Ahu Kit Specifications
1 piece 1 piece EXV valve with pipes 1 piece Control panel 1 piece Cable extension for temperature sensor 5 pieces Cable extension for EXV valve 1 piece UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 16: System Design
Alarm Defrost Liquid side Operation Gas side Cooling Heating Control 0-10 V Start/Stop Liquid side AHU controller Temperature sensors DX coil Air handling unit Gas side UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 17: Function And Setting
Heat LED Cool LED ENC1 Power supply Def. LED 230VAC T E MP 1 ALARM DEFROST HEAT COOL T2 Evaporator Coil Temp Sensor Communication with outdoor unit UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 18: Ka8142 + Mou-36Hfn8A / Mou-48Hfn8A / Mou-55Hfn8A
Negative(0/-) and Positive(10/+) terminals can not be mixed, otherwise it may destroy this control module. Signal input can not exceed 10.5VDC, otherwise it may destroy this control module. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... - Page 19 HEAT LED is lightened when the unit is operating in heating mode. COOL LED is lightened when the unit is operating in cooling mode. DEF LED is lightened when the unit is in defrost mode. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11...
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Page 20: Ahukz-02D + Mou-280-Hfn6 / Mou-335-Hfn6
0..10 V capacity regulation Signal Capacity 0-0.5 V STOP 0.5-1.5 V 1.5-2.5 V 2.5-3.5 V 3.5-4.5 V 4.5-5.5 V 5.5-6.5 V 6.5-7.5 V 7.5-8.5 V 8.5-9.5 V 9.5-10.5V 100% UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 21: Control Module Connection To Controller
8.5.2. KA8140/KA8142 connection to C6M 0...10V + AHU KIT KA8140/KA8142 0...10V – Heating Cooling 8.5.3. KA8140/KA8142 connection to C5 AHU KIT KA8140/KA8142 Cooling Heating 0...10V – 0...10V + UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 22: Ka8140/Ka8142 Connection To C5 Zone
0..10V - 0..10V + 8.5.6. AHUKZ-02D connection to C5 additional zone AHUKZ-02D board OUTPUTS INPUTS CN17 CN18 CN62 CN61 CN32 Heating Cooling ON/OFF 0..10V + 0..10V - UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 23: Malfunction, Error Code
UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 24: Ka8142
Frequency limit caused by PFC or IPM LC30 Frequency limit caused by high pressure LC31 Frequency limit caused by low pressure ---- Indoor units mode conflict (match with multi outdoor unit) UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 25: Ahukz-02D
(ENC2, ENC3, ENC4) incorrect DIP switch for 0-10V fan signal.The DIP switch value ensures ENC2<ENC3<ENC4. Pressure sensor error MS error mode MS self-check error Slave unit error For troubleshooting with no solving solution, please refer to outdoor unit producer. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 26: Dimensions
8.7. Dimensions 8.7.1. KA8140/KA8142 191.5 174.5 136.5 98.8 85.8 56.36 9.25 8.7.2. AHUKZ-02D 344.2 392.5 308.2 58.5 124.8 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... -
Page 27: Appendix 1. Temperature Sensor Resistance Value Table (°C-R)
3.07075 0.77709 0.25757 16.9341 2.95896 0.75373 0.25125 16.1156 2.84421 0.73119 0.24512 15.3418 2.73823 0.70944 0.23916 14.6181 2.63682 0.68844 0.23338 13.9180 2.53973 0.66818 0.22776 13.2631 2.44677 0.64862 0.22231 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_24-11... - Page 28 SERVICE AND SUPPORT PARTNERS LITHUANIA J. PICHLER Gesellschaft m. b. H. www.pichlerluft.at UAB KOMFOVENT Phone: +370 5 200 8000 Ventilair group www.ventilairgroup.com service@komfovent.com ACB Airconditioning www.acbairco.be www.komfovent.com REKUVENT s.r.o. www.rekuvent.cz FINLAND Komfovent Oy WESCO AG www.wesco.ch Muuntotie 1 C1 FI-01 510 Vantaa, Finland SUDCLIMATAIR SA www.sudclimatair.ch...
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