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Nortek Flex Match Series Owner's Manual

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Nortek Global HVAC, LLC
Please read this owner's manual carefully before operation and retain it for future reference
Specifications & illustrations subject to change without notice or incurring obligations
Flex Match Series
Compact Cassette Type Indoor Unit
(For North America)
Owner's Manual
Heat Pump
Models:
GKH12(3.5)FMK4DH
GKH18(5.3)FMK4DH

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Summary of Contents for Nortek Flex Match Series

  • Page 1 Nortek Global HVAC, LLC Flex Match Series Compact Cassette Type Indoor Unit (For North America) Owner's Manual Heat Pump Models: GKH12(3.5)FMK4DH GKH18(5.3)FMK4DH Please read this owner’s manual carefully before operation and retain it for future reference Specifications & illustrations subject to change without notice or incurring obligations...
  • Page 2 User Notice The total capacity of the indoor units connected can not exceed 150% of that of the outdoor units. A Breaker(or fuse) needs to be installed in every indoor unit, and the capacity should in it is very important to turn off the total power supply switch. In order to turn on the units, the main power switch must be turned on 8 hours before operation.

  • Page 3: Table Of Contents

    Contents 1 Safety Information ..................1 ......2 ............2 2.2 Select install location of the indoor unit ............. 2 2.3 Important notice ....................2 .... 3 ..............3 ..............4 ....................5 ........................................8 .. 10 ..............10 ................11 ....

  • Page 4: Safety Information

    Safety Information 1 Safety Information For proper operation, please read this manual carefully and follow instructions. Please note these two marks: Warning!: death. Caution! Warning: unit. An all-pole disconnection switch having a contact separation of at least 3mm (1/8 in) in Note!: system.

  • Page 5: Select Install Location Of The Indoor Unit

    Install of The Compact Panel Cassette Type Indoor Unit 2 Installation Wall surface Wall Wall surface surface (5 ft) (5 ft) Ground surface 2.2 Select install location of the indoor unit (1). (2). (3). be mounted securely to avoid vibration noise. (4).
  • Page 6 Install of The Compact Panel Cassette Type Indoor Unit Installation stands for main body of the unit Ceiling >20mm (1). (2). pipe at the outlet vent with bolt. (3). (4). Check if the unit is level.
  • Page 7 Install of The Compact Panel Cassette Type Indoor Unit (If the unit is slanted away from the condensate drain, there may be a malfunction of the bobber (5). (6). Note! Wrap tubes and heat preservation sheath with PTFE tape as shown...
  • Page 8 Install of The Compact Panel Cassette Type Indoor Unit Smear freeze motoroil here Median sponge (attachment) (entwine the wiring interface with seal mat) Thread fasten(x4) Torque wrench Heat preservation sheath of liquid inlet tube (attachment) (for liquid tube) Spanner Heat preservation sheath of gas collection tube (attachment)(for Gas collection tube...
  • Page 9 Install of The Compact Panel Cassette Type Indoor Unit Sponge(attachment) Clamp(attachment) Clamp Drain hose Sponge (gray) <4mm Drain setup pipe note less than 300mm (11 in). <300mm (12 in) <280mm (11 in) Instruction hole doesn’t isn’t exposed unnecessary stress. >100mm (4 in) (2).
  • Page 10 Install of The Compact Panel Cassette Type Indoor Unit >100mm (4 in) Note: The supply power for all indoor unit must be connected to outdoor unit. Unit and controller wiring connection them individually by fastener. Attach with fastener after connection. Connect the 3 cord rubber wire to the counter terminal of the 3 way terminal board.
  • Page 11 Install of The Compact Panel Cassette Type Indoor Unit Power cord standard table Power Supply Min. Sectional Area of Min. Sectional Area of Model Earth Wire(AWG) Power Cord(AWG) GKH12(3.5)FMK4DH GKH18(5.3)FMK4DH (1). (2). Install the panel will rise)
  • Page 12 Install of The Compact Panel Cassette Type Indoor Unit Notes: Air leak Air leak from ceiling Water condensatation, water drop If the raising lever and drain hose are not affect, can adjust the height of indoor unit by the hole on the corner of panel.
  • Page 13 GKH12(3.5)FMK4DH GKH18(5.3)FMK4DH Indoor Conditions Outdoor Conditions Dry bulb Wet bulb Dry bulb Wet bulb 48 (118) 18 (64) 20 (68) 6 (43) 18 (64) 20 (68)
  • Page 14 Working Temperature Range Warning! Do not move the unit once installed. Contact professional technician for service. Issue Blown fuse or breaker supply Air conditioner doesn’t Power supply not properly Connect power correctly run at all connected controller Wireless remote controller out of Move remote to within 8m (25 ft) of air conditioner Air conditioner runs...

  • Page 15: Instruction

    Troubleshooting 5.2 Instruction “Malfunction” Doesn't start up unit immediately The overload protects switch after turned off Air conditioner doesn’t Doesn't start immediately when 1 minute delay after startup power supplied Mist is blown from air conditioner cooled rapidly expansion valve Noise is heard from air conditioner It is the sound of the skin plate...

  • Page 16: Maintenance Method

    Maintenance 6 Maintenance Method When air conditioner won’t be used for a long time, please cut off the main power supply. Warning! electric shock may occur. In areas with very dusty conditions, air filter should be cleaned often (about once every 6 (1).
  • Page 17 Maintenance Maintenance (1). (2). (3). (4). Clean Note (5). (6). (1). (2). (3). (4). Air filter Purifier filter Stand for purifier Fix bolt of purifier...

  • Page 18: Clean Outlet Vent And Surface Panel

    Maintenance Function and usage period for air purifying Could adsorb CO, CO 6.4 Clean Outlet vent and Surface Panel Disassembly and installation of guide louver (1). Note (2). Preseason checklist If air conditioner has been turned off for an extended period, turn on main power at least 8 Post-season checklist Cut off the main power supply of air conditioner.
  • Page 20 Specifications & illustrations subject to change without notice or incurring obligations. O’Fallon, MO (12/15) © Nortek Global HVAC, LLC 2015. All Rights Reserved. 56 7E-1215...

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