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MSB (Mode Selection Box)
Installation manual
V2MSBB06HR
• Thank you for purchasing this Lennox Product.
• Before operating this unit, please read this manual carefully and retain it for future reference.
DB68-13126A-00_IM_ACC Mode Selection Box Small_AA_EN.indd 1
DB68-13126A-00_IM_ACC Mode Selection Box Small_AA_EN.indd 1
2024-07-29 오후 3:10:49
2024-07-29 오후 3:10:49
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Summary of Contents for Samsung LENNOX V2MSBB06HR
- Page 1 MSB (Mode Selection Box) Installation manual V2MSBB06HR • Thank you for purchasing this Lennox Product. • Before operating this unit, please read this manual carefully and retain it for future reference. DB68-13126A-00_IM_ACC Mode Selection Box Small_AA_EN.indd 1 DB68-13126A-00_IM_ACC Mode Selection Box Small_AA_EN.indd 1 2024-07-29 오후...
- Page 2 Contents Safety Information Safety Information Preparation Preparing the installation Accessories Selecting the refrigerant pipe for installation MSB (Mode Selection Box), Indoor and outdoor unit compatible table Installation Space requirements Installing the unit Method and cautions on brazing the pipe Method and cautions on refrigerant pipe insulation Refrigerant piping works Installing the circuit breaker and wires Wiring works...
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Page 3: Safety Information
Safety Information Safety Information California Proposition 65 Warning (US) WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. The safety information and precautions below must be kept for the safety of users and installers. Before installing a VRF (variable refrigerant flow), please read this manual thoroughly to ensure that you know how to safely and efficiently install a new appliance. - Page 4 Safety Information If any gas or impurities except R-410A refrigerant get into the refrigerant pipe, serious problems may occur and this may cause injury. When installing the unit, only use the components and tools which are specified for the installation. ▶...
- Page 5 FOR INSTALLATION CAUTION Make sure to earth. ▶ Do not connect the earth wire to the gas pipe, lighting rod or telephone wire. ▶ If earthing is incomplete, electric shock or fire may occur. Make sure that the condensed water from the drain hose runs out properly based on this installation manual and insulate the drain pipe so that frost does not generate.
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Page 6: Preparing The Installation
Preparation Preparing the installation Accessories Please check if items below are included in installation accessories. Please check if items below are included in installation accessories. Insulation Insulation Installation Pattern Name Cable tie Tube Cap (for pipe) (for base) manual sheet Shape ※... - Page 7 MSB (Mode Selection Box), Indoor and outdoor unit compatible table Before installing MSB, refer to the compatible table below and find the model before installation. VRF HR / Water-Cooled VRF HR Outdoor Unit Indoor Unit VRF Outdoor V2MSBB06HR VRF Indoor Classfication Model Description...
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Page 8: Space Requirements
Installation Space requirements 1. Since refrigerant noise can be generated during the MSB operation, do not install the unit on the ceiling of the places that requires silence such as bedrooms, libraries, hospitals and offices etc. 2. Do not install the MSB in the ceiling of the living area. Otherwise, noise generated from the MSB may disturb people in that area and cause inconvenience. - Page 9 4. Secure over 0.25m(0.82') of space when MSB is being fixed to the concrete of the ceiling. 5. MSB may generate noise so don’t install it too close to the ceiling Tex. 6. Each pipe hanger should be placed at 1.5m(4.92') interval to support its weight firmly. If the pipe or the hanger isn’t fixed firmly, the unit may fall and cause a property damage or loss of life.
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Page 10: Installing The Unit
Installing the unit 1. MSB specification Classification Unit V2MSBB06HR Model name V2MSBB06HR The exterior The number of branches The maximum number of the connectable indoor unit per branch The maximum capacity of the connectable indoor unit per branch The maximum capacity of connectable indoor units per branch 14.0 (Using Y-Joint) The maximum capacity of connectable indoor units... - Page 11 Set Dip Switch option for using Y-connector S/W option DIP MSB address switch DIP switch switch 2 3 4 A B C D S/W Option S/W Option S/W Option S/W Option 2 3 4 2 3 4 2 3 4 2 3 4 Combination of Combination...
- Page 12 Installing the unit 4. Cautions about MSB installation. ▶ When fixing the unit at the upper place using suspension bolts, use a nut and washer to vertically fasten the unit. ▶ There are four spots to fix the suspension bolts. Make sure every spot is fixed. ▶...
- Page 13 6. How to connet Y-connector ▶ In case of connecting one indoor with Y-Connector to MSB, Y-Connector must be connected in series. Indoor #1 Indoor #2 <No Good Example of connection> <Good Example of connection> Method and cautions on brazing the pipe Keeping refrigerant pipe clean and dry ▶...
- Page 14 Installing the unit Method and cautions on refrigerant pipe insulation Make sure to check for gas leakage before completing the installation (hose and pipe insulation) and insulate hoses and pipes when there is no sign of leakage. 1. To avoid condensation problems, place T13.0(1/2") or thicker Acrylonitrile No gap Butadien Rubber separately around each refrigerant pipe.
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Page 15: Refrigerant Piping Works
Refrigerant piping works Insulation Refrigerant pipe before EEV kit and MSB or without EEV kit and MSB Insulation ▶ You can contact the gas side and liquid side pipes but the pipes should not be pressed. ▶ When contacting the gas side and gas side pipe, use 1 grade thicker Liquid pipe insulator. - Page 16 Refrigerant piping works Installing the circuit breaker and wires Power supply MCCB Power cable Earth cable Communication cable Max : 242V XA, 30mmA 0.0039inch² 0.0039inch² 0.0012~0.0023inch² (2.5mm²) (2.5mm²) (0.75~1.5mm²) Min : 198V 0.1 sec Installing the wire ▶ Supply the 208-230V power to L1, L2 (L, N) of MSB separately. ▶...
- Page 17 ▶ Power Line and communication line must be installed as shown in drawing ※ Hole size is Φ 43.7 mm Hole for MSB main power supply Hole for communication ▶ Choose the compressed socket based on the cross-section of the connecting wire. Silver solder Nominal dimensions for cable [mm²...
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Page 18: Wiring Works
Wiring works Setting MSB (Mode Selection Box) address and port Process 1. MSB address Set MSB address by rotary switch. setting Example> If you want to set MSB address to 21, set upside rotary switch to 2 and set bottom rotary switch to 1 MSB Address MSB Address Default... - Page 19 Process 4. MSB address Auto setting : refer to 'auto pipe pairing' and port setting Manual setting : for indoor unit 1. Wireless remote controller (for wireless 1) Enter mode to set option remote 2) Assign an indoor unit MSB port address by wireless remote controller controller) ‐...
- Page 20 Wiring works Process 2. Wired controller 4. MSB address ‐ Setting for VSTAT02P-1 and port setting 1) Press the top right corner (hidden button) of the display for more than 3 seconds and drop for indoor unit it. Then you can press [ + ]/[ - ] buttons and select No.3 and press [ OK ] button. (for wired 2) Assign an indoor unit MSB port address with main menu 4, sub menu 7 (MSB address is controller)
- Page 21 Process 3. Programmable Wired Controller 4. MSB address ‐ Setting for VSTAT04P-1 and port setting 1) Press the buttons at the same time for more than 3 seconds. Then you can for indoor unit enter the password(0202) and press the OK button. (for 2) Assign an indoor unit MSB port address with [Major] General →...
- Page 22 Wiring works Set to Cooling Only Unit 1. Check whether power is supplied or not. - When the indoor unit is not plugged in, there should be additional power supply in the indoor unit. 2. The panel(display) should be connected to an indoor unit to receive option. 3.
- Page 23 Option SEG7 SEG8 SEG9 SEG10 (When setting SEG3) (When setting SEG3) Compensation option for Long pipe or height Standard for mode Explanation PAGE Time required for diffference between indoor units changing Cooling → mode change Heating mode Indication Details Indication Details Indication Details Indication Details 5 min.
- Page 24 Wiring works Display segment Display Contents Remarks (Pushed time) On/Off for solenoid valve A_C, A_H On/Off for solenoid valve B_C, B_H • *_C : Cooling solenid valve of port * • *_H : Heating solenid valve of port * On/Off for solenoid valve C_C, C_H •...
- Page 25 Appendix Commisioning ※ After installing MSB, check those items below. If you find something unfulfilled, refer to the manual to complete it. Item Check 1. If the gas leaking test has been completed or not. 2. If MSB has been fixed securely enough to avoid the danger of vibration and falling or not. 3.
- Page 26 DB68-13126A-00_IM_ACC Mode Selection Box Small_AA_EN.indd 26 DB68-13126A-00_IM_ACC Mode Selection Box Small_AA_EN.indd 26 2024-07-29 오후 3:10:54 2024-07-29 오후 3:10:54...
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