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System Air conditioner
Installation manual
LAC KIT (LOW AMBIENT COOLING KIT) MOK-100LA
• Before installation, be sure to read Safety Information.
• When the product is used in other countries, we do not guarantee the quality of the product.
DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 1
DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 1
2022-09-08 오후 1:53:01
2022-09-08 오후 1:53:01

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Summary of Contents for Samsung MOK-100LA

  • Page 1 System Air conditioner Installation manual LAC KIT (LOW AMBIENT COOLING KIT) MOK-100LA • Before installation, be sure to read Safety Information. • When the product is used in other countries, we do not guarantee the quality of the product. DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 1 DB68-06398A-01_IM_ACC 옵션...
  • Page 2 Contents Safety Information Part Names and Components Assy Control Kit Components Installing LAC KIT Assembling the Assy Control Kit and Low Ambient Damper Construction of outdoor unit and low ambient cooling kit The fully assembly apperance Installation Environment for Low Ambient Cooling Kit How to Install the Low Ambient Cooling Kit Damper Connecting the Low Ambient Cooling Kit to the Outdoor Unit Configuring the options of the outdoor unit for installation of LAC KIT...
  • Page 3: Safety Information

    Safety Information California Proposition 65 Warning (US) WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. WARNING Before installation, maintenance, and cleaning, be sure to cut off the power supply. The installation shall be conducted by the dealer or qualified personnel. • If installed by a unqualified person, it may cause leaks, electric shock, or fire.
  • Page 4 Safety Information The electrical work shall be conducted by the qualified personnel after following Technical Standards for Electrical Equipment, Extension Regulations, and Installation Manual. Additionally, be sure to follow the electrical specifications. • The voltage drop, lack of voltage supply, inadvertent power work, and use of unspecified wires may cause electric shock or fire.
  • Page 5 CAUTION Be sure to conduct ground work. • The ground wire shall not contact the following: gas pipes, water pipes, lightning rod, and telephone grounding wire. • An incomplete grounding may cause electric shock. Be sure to place the power and communication lines of LAC KIT at least 1 m apart from other electronic devices and at least 2 m apart from the lightning rod's down conductor.
  • Page 6 Part Names and Components Assy Control Kit 01 MAIN PBA 02 SMPS PBA 03 TERMINAL BLOCK Components Body Communication Cable Power Cable Name Amount Shape Cable Tie Installation Manual Grounding Screw Connection Cable Name Amount Shape DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 6 DB68-06398A-01_IM_ACC 옵션...
  • Page 7 Installing LAC KIT Ú Before installation on field, it must be assembled. Assembling the Assy Control Kit and Low Ambient Damper 1. Connect the actuator to TRANS. – Place the actuator and TRANS on the Assy controller kit as shown in the figure and then fix them on the plate with bolts, nuts, and screws.
  • Page 8 Installing LAC KIT 2. Connect the actuator to TRANS. Connect it after removing the wire coating. with the OPEN finish 1 2 3 5 CN805 CN804 CN806 CN803 CN802 CN301 (RED) CN801 (RED) CONTROL CN81 EXTERNAL (RED) OUTPUT CN402 TEMP SENSOR2 (WHT) CN401...
  • Page 9 3. Assemble the control box and the control kit. <Control box specification determinants> • The control kit must be taken into the control box. (Check the fitting holes.) • The UL certification must be acquired. • When the louver actuator shaft enters into the box, prevent water penetration.
  • Page 10 Installing LAC KIT Construction of outdoor unit and low ambient cooling kit Components of Low Ambient Cooling Kit for the Outdoor Unit Model Number Position Type LACH-SL Low Ambient Cooling Hood - Small (chassis) Left LACH-SR Low Ambient Cooling Hood - Small (chassis) Right LACH-R1 Low Ambient Cooling Hood - Rear 1 (Small chassis) LACH-R2...
  • Page 11 The fully assembly apperance Classfication Small type Large A type Appearance Large B type DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 11 DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 11 2022-09-08 오후 1:53:03 2022-09-08 오후 1:53:03...
  • Page 12 Installing LAC KIT Classfication DVM S2 Small type DVM S2 Large type Appearance DVM S2 X-Large type DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 12 DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 12 2022-09-08 오후 1:53:03 2022-09-08 오후 1:53:03...
  • Page 13 (Unit: inch) LACH-SR LACH-SL 18 3/4 23 11/16 8 1/8 16 3/8 2 15/16 8 1/8 LACH-R1 LACH-R2 31 1/16 47 1/2 28 11/16 8 1/8 8 1/8 45 1/8 DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 13 DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 13 2022-09-08 오후...
  • Page 14 Installing LAC KIT (Unit: inch) LACH-SLR LACH-R3 49 3/8 27 11/16 25 5/16 1 3/8 1 3/8 LACH-F1 16 7/8 15 1/16 1 15/16 22 5/8 15 7/8 DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 14 DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 14 2022-09-08 오후 1:53:04 2022-09-08 오후...
  • Page 15 (Unit: inch) LACH-SL-B LACH-SR-B 24" 26 1/2" 25 3/16" 21 9/16" 27 11/16" 21 9/16" 25 15/16" 28 7/16" LACH-R1-B LACH-R2-B 30 11/16" 44 3/4" 31 7/8" 22 9/16" 45 15/16" 22 9/16" 32 5/8" 46 11/16" LACH-F1-B 12 1/4" 13 1/2"...
  • Page 16 Installing LAC KIT (Unit: inch) Low Ambient Cooling Kit Damper-1 (Small chassis) (Low Ambient Cooling Hood-1 (Small chassis)) 3 15/16 29 3/4 Low Ambient Cooling Kit Damper-2 (Large A,B type chassis) (Low Ambient Cooling Hood-2 (Large A,B type chassis)) 51 1/4 3 15/16 51 1/4 29 3/4...
  • Page 17 (Unit: inch) Low Ambient Cooling Kit Damper-1 (DVM S2 Small type) (Low Ambient Cooling Hood-1 (DVM S2 Small type) 38" 34 5/8" 36 5/8" 25 1/2" 35" 30 1/2" 6 1/2" Low Ambient Cooling Kit Damper-2 (DVM S2 Large type) (Low Ambient Cooling Hood-2 (DVM S2 Large type) 37 7/8"...
  • Page 18 Installing LAC KIT (Unit: inch) Low Ambient Cooling Kit Damper-1 (DVM S2 X-Large type) (Low Ambient Cooling Hood-1 (DVM S2 X-Large type) 38" 34 5/8" 73 1/4" 25 1/2" 71 5/8" 30 1/2" 6 1/2" DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 18 DB68-06398A-01_IM_ACC 옵션...
  • Page 19 Installation Environment for Low Ambient Cooling Kit 1. Keep the height of the frame and foundation 12'' or above. SCREW X 16EA SCREW X 18EA 2. Remove any obstacles that screen the damper outlet. 3. Align the damper outlet with the main wind direction.
  • Page 20 Installing LAC KIT How to Install the Low Ambient Cooling Kit Damper 1. In order to install the damper, use the lift or crane. Otherwise, at least 2 people are required for installation. 2. Before installation, remove the guard fan from the outdoor unit.
  • Page 21: Connecting The Outdoor Unit

    Connecting the Low Ambient Cooling Kit to the Outdoor Unit Connecting the outdoor unit Connect the main PBA to power supplies (L1, L2) and then connect the communication cable through OF1 and OF2. <DVM S Small / Large A,B> connection between the submodule and outdoor unit CONNECT Port...
  • Page 22: Connecting The Kit

    Installing LAC KIT Connecting the kit L1(L) L2(N) OF1 OF2 Mount Tie L1(L) L2(N) OF1 OF2 As shown in the figure, connect the wire from the outdoor unit to the kit terminal block and then fix the wire onto the mount tie by using the provided cable tie.
  • Page 23 Configuring the options of the outdoor unit for installation of LAC KIT When installing LAC KIT, be sure to enable the LAC KIT function for the outdoor unit. When installing the modules, enable the function on the main outdoor unit. Configuring key functions of the outdoor unit <DVM S Small / Large A,B>...
  • Page 24 Installing LAC KIT 3. In the desired option, if you shortly press the K2 switch, the values for Seg3 and Seg4 change. You can select the desired option. (e.g. The value for Seg3 is 0 and the value for Seg4 is 1.) ...
  • Page 25: Setting The Address

    Features of LAC KIT (Low ambient cooling kit) - If LAC KIT is installed, the cooling operation is possible up to -13°F. - For more information about cooling performance of LAC KIT, see the following table: Outdoor Temperature (°F, DB) Performance Correction Less than 23...
  • Page 26 Installing LAC KIT Inspection after installation of LAC KIT Check for normal operation. Dip S/W - Before power supply to the outdoor unit, set the dip switches. (Dip S/W #3 OFF) Dip S/W Function Remarks ON (Default) Not applied Inspection not applied Applied Inspection applied y Inspection activity...
  • Page 27 Checking the version of LAC KIT Dip S/W - To see the version of LAC KIT, change to the dip switch #4. Dip S/W Function Remarks The version is displayed 5 times in ON → OFF Display of the LAC the order of year, month, and date.
  • Page 28 DB68-06398A-01 DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 28 DB68-06398A-01_IM_ACC 옵션 저온냉방 Kit_AA_EN_.indd 28 2022-09-08 오후 1:53:08 2022-09-08 오후 1:53:08...