Komfovent MOU Series Installation Manual
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Komfovent MOU Series Installation Manual

Komfovent MOU Series Installation Manual

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MOU
INSTALLATION
EN
MANUAL

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Summary of Contents for Komfovent MOU Series

  • Page 1 INSTALLATION MANUAL...

  • Page 2: Table Of Contents

    CONTENT 1. SAFETY PRECAUTIONS....................................3 2. OUTDOOR UNIT INSTALLATION ................................4 2.1. Outdoor Unit Installation Instructions ..............................4 3. REFRIGERANT PIPING CONNECTION ..............................9 3.1. Notes On Pipe Length and Elevation ..............................9 3.2. Refrigerant Piping Connection Instructions .............................9 4. PIPING DIAGRAMS ......................................12 5. WIRING ..........................................14 5.1.

  • Page 3: Safety Precautions

    4. If the system has a leak-detection system installed, it must be checked for leaks at least every 12 months. When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 4: Outdoor Unit Installation

    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_22-10...
  • Page 5 Be sure to remove any obstacles that may block air circulation. • Make sure you refer to Length Specifications to ensure there is enough room for installation and maintenance. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...
  • Page 6 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_22-10...
  • Page 7 NOTE: The minimum distance between the outdoor unit and walls described in the installation guide does not apply to air- tight rooms. Be sure to keep the unit unobstructed in at least two of the three directions (M, N, P) (See Fig. 2.7). Fig. 2.7 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...
  • Page 8 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_22-10...

  • Page 9: Refrigerant Piping Connection

    DO NOT deform pipe while cutting. Be extra careful not to damage, dent, or de- form the pipe while cutting. This will drastically reduce the heating efficiency of the unit. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...
  • Page 10 Place flare nuts on both ends of pipe. Make sure they are facing in the right direction, because you can’t put them on or change their direction after flaring. See Fig. 3.3. Flare nut Copper pipe Fig. 3.3 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...
  • Page 11 Check to make sure there is no refrigerant leak after completing the installation work. If there is a refrigerant leak, ventilate 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_22-10...

  • Page 12: Piping Diagrams

    4. PIPING DIAGRAMS MOU-12HFN8a, MOU-18HFN8a, MOU-24HFN8, MOU-24HFN8a MOU-36HFN8, MOU-36HFN8a, MOU-48HFN8, MOU-48HFN8a, MOU-55HFN8, MOU-55HFN8a UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...
  • Page 13 TL Refrigerant cooling pipe temperature sensor 10 Accumulator SV2 Liquid injection valve 11 Stop valve (gas side) SV4 Oil return valve 12 Stop valve (liquid side) SV7 Refrigerant bypass valve UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 14: Wiring

    • No other equipment should be connected to the same power circuit. • The unit’s power information can be found on the rating sticker on the product. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 15: Outdoor Unit Wiring

    4. Clamp down the cable with designated cable clamp. Insulate unused wires with electrical tape. Keep them away from any electrical or metal parts. 6. Reinstall the cover of the electric control box. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 16: Air Evacuation

    8. Insert hexagonal wrench into the packed valve (high pressure valve) and open the valve by turning the wrench in a 1/4 counterclockwise turn. Listen for gas to exit the system, then close the valve after 5 seconds. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 17: Note On Adding Refrigerant

    Pipe diameter, mm Ø 6,35 Ø 9,52 Ø 12,7 Ø 15,9 Additional refrigerant volume, g 15×(L-5) 30×(L-5) 110x(L-7,5) 170x(L-7,5) The standard pipe length varies according to local regulations. UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 18: Outdoor Unit Specifications

    Ambient temp. -15~50 -15~50 -15~50 -15~50 -15~50 -15~50 cooling, °C Ambient temp. -20...+24 -20...+24 -20...+24 -20...+24 -20...+24 -20...+24 heating, °C AHU kit KA8140 KA8140 КА8243 KA8140 КА8243 KA8140 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...
  • Page 19 Ambient temp. -15~50 -15~50 -15~50 -15~50 -5~48 -5~48 cooling, °C Ambient temp. -20...+24 -20...+24 -20...+24 -20...+24 -20...+24 -20...+24 heating, °C AHU kit КА8243 KA8140 КА8243 KA8140 AHUKZ-02D AHUKZ-02D UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 20: Ahu Kit Specifications

    1 piece Packing list EXV valve with 1 piece pipes Control panel 1 piece Cable extension for 5 pieces temperature sensor Cable extension for 1 piece EXV valve UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 21: 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_22-10...

  • Page 22: Function And Setting

    TEMP1 0-10V PIPE TEMP PIPE TEMP SENSOR SENSOR 0-10VDC Alarm Defrost Capacity Communication output output input 5A-250VAC 5A-250VAC (max 10VDC) 2-core shielded 5A-30VDC 5A-30VDC 2 × 0.5mm UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...
  • Page 23 Negative(0/-) and Positive(10/+) terminals can not be mixed, otherwise it may de- stroy 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_22-10...
  • Page 24 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_22-10...

  • Page 25: Ahukz-02D

    4.5-5.5 V, 50 % power 5.5-6.5 V, 60 % power 6.5-7.5 V, 70 % power 7.5-8.5 V, 80 % power 8.5-9.5 V, 90 % power 9.5-10.5V, 100% power UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 26: Control Module Connection To Controller

    8.5.2. KA8140/KA8141 connection to C6M 0...10V + AHU KIT KA8140/KA8141 0...10V – Heating Cooling 8.5.3. KA8140/KA8141 connection to C5 AHU KIT KA8140/KA8141 Cooling Heating 0...10V – 0...10V + UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 27: Ka8140/Ka8141 Connection To C5 Zone

    8.5.5. KA8243/KA8245 connection to C5 AHU KIT KA8243/KA8245 Cooling Heating 0...10V – 0...10V + 8.5.6. KA8243/KA8245 connection to C5 zone AHU KIT Heating KA8243/KA8245 Cooling 0...10V + 0...10V – UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 28: Ahukz-02D Connection To C5 Controller

    0..10V - 0..10V + 8.5.8. 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_22-10...

  • Page 29: Malfunction, Error Code And Solving Steps

    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_22-10...

  • Page 30: E1 Solving Step - Communication Error With Outdoor Unit

    Check whether the pull out and insert back signal Wires insert on PCB well? Replace indoor main PCB Is the error distinguished? Replace the autdoor main PCB UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 31: E2 - Temp Sensor Malfunction

    Main board has 2 minutes later if the outdoor error Displayed main board displays error code several Minutes later? Refer to corresponding Solving steps UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 32: Dimensions

    8.7. Dimensions 8.7.1. KA8140/KA8141 191.5 174.5 136.5 98.8 56.36 85.8 9.25 8.7.2. KA8243/KA8245 191.5 174.5 136.5 98.8 85.8 56.36 9.25 UAB KOMFOVENT we reserve the right to make changes without prior notice MOU_22-10...

  • Page 33: Ahukz-02D

    8.7.3. 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_22-10...
  • Page 34 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_22-10...
  • Page 35 UAB KOMFOVENT SERVICE AND SUPPORT Tel. +370 5 200 8000 service@komfovent.com www.komfovent.com SWEDEN Komfovent AB Ögärdesvägen 12B 433 30 Partille, Sverige Phone: +46 31 487 752 info_se@komfovent.com www.komfovent.se FINLAND Komfovent Oy Muuntotie 1 C1 FI-01 510 Vantaa, Finland Phone: +358 20 730 6190 toimisto@komfovent.com...

This manual is also suitable for:

Mou-12hfn8aMou-18hfn8aMou-24hfn8Mou-24hfn8aMou-36hfn8Mou-36hfn8a ... Show all

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