Samsung DVM S AM240HXVAGH

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Electrical wiring work

Connecting the MCU (MCU-S6NEK2N, MCU-S4NEK3N, MCU-S2NEK2N, MCU-S1NEK1N)

Example

Outdoor

unit

Indoor unit Indoor unit

ELB

MCCB

220-240 V~

f Power must be supplied to the MCU separately from the outdoor unit.

f

Connect the communication cable of the outdoor unit (F1, F2) to the communication cable of the MCU (F1, F2)

• Power cable connection should be done with the solderless ring terminal.

Indoor unit

MCU

• When installing the MCU, communication cable can be connected as shown above.

CAUTION

Main Page

Table of Contents2
Severe Warning Signs3
Safety Precautions3
- Checks before Installation and Service Work4
- Caution Signs5
- Do Not Install the Product in Following Places5
- Outdoor Unit Classification6
- Packaging Material Disposition6
Preparing for Installation6
- Outdoor Unit Combination7
- Standard Type (Heat Pump)7
- Preparing for Installation - Tables8
- When Moving with a Forklift17
- When Moving Product Without Wooden Pallet and Crane Is Not Available17
- Moving the Outdoor Unit17
- When Moving with a Crane17
- Caution When Installing the Product in Seashore18
Selecting Installation Location18
Single Installation21
Space Requirement for Installation21
Module Installation22
Accessories23
Base Ground Construction24
Base Construction and Installation of the Outdoor Unit24
- Outdoor Unit Installation25
- Outdoor Unit Base Mount and Anchor Bolt Position25
- Examples of Draining Work26
- Cautions Regarding on Connecting the Anchor Bolt27
- Cautions Regarding on Connecting the Pipe27
- Cautions Regarding on Anti-Vibration Frame Installation27
- Caution for Installing Discharge Duct28
- Installing the Outdoor Unit Around the Obstacles28
Installing the Wind/Snow Prevention Duct28
- Cautions Regarding Installing the Frame and Selecting the Base Ground29
- Installing the Outdoor Unit in Cold Region29
- Installing the Outdoor Unit in Windy Region30
Refrigerant Pipe Installation31
- Selecting Refrigerant Pipe32
- Size of the Pipe Connected to the Outdoor Unit33
- Size of the Pipe between Branch Joints34
- Size of the Pipe between the Branch Joint and the Indoor Unit34
- Branch Joint35
- Y-Joint35
- Distribution Header35
- H/R36
- Branch Joint between Outdoor Units38
- First Branch Joint38
- Amount of Additional Refrigerant Depending on the Pipe Size39
- Additional Refrigerant39
- Basic Amount of Refrigerant Within the Outdoor Unit39
- Amount of Additional Refrigerant for each Indoor Unit40
- Method to Calculate Total Amount of Additional Refrigerant41
- Example of Refrigerant Calculation for HP Models42
- Temper Grade and Minimum Thickness of the Refrigerant Pipe43
- Keeping Refrigerant Pipe44
- Refrigerant Pipe Welding and Safety Information44
- Nitrogen Flushing Welding44
- Direction of the Pipe When Welding44
- Cutting or Flaring the Pipes45
- Connecting the Flared Pipes46
- Pipe Installation for an Outdoor Unit47
- Direction of the Pipe47
- Caution for Using Knock-Out Hole47
- Connecting Refrigerant Pipe for Outdoor Unit48
- Caution for Welding the Pipe to an Outdoor Unit48
- Pipe Installation between the Outdoor Units49
- Examples of Refrigerant Pipe Installation50
- Allowable Length of the Refrigerant Pipe and the Installation Examples51
- Installing the Branch Joints56
- Installing the Distribution Header57
- Installing the Branch Joint between Outdoor Units58
- Installation of Outdoor Joints58
- Install the Distribution Header Horizontally58
- Installing the MCU60
- MCU Specification60
- Installing the Indoor Units61
- How to Connect the Pipes62
- Specification of the Circuit Breaker and Power Cable63
Electrical Wiring Work63
- Caution for Electrical Work66
- Power and Communication Cable Configuration67
- Specification of the Protection Tube68
- Caution for Perforating the Knock-Out Hole68
- Power Wiring Diagram69
- Selecting Solderless Ring Terminal71
- Connecting the Power Terminal72
- Examples of How to Use the Cable Striper73
- Fixing the Power Cable74
- Connect the Ring Terminal of 3 Phase Cable74
- Fixing the Ground Cable75
- Withdrawing the Power Cable75
- Installing the Solution Device76
- Connecting the MCU77
- Grounding Work79
- Grounding the Power Cable79
Air Tightness Test and Vacuum Drying80
- Vacuum Drying Pipes and Indoor Units81
- Insulating the Refrigerant Pipes and Branch Joints82
- Selecting the Refrigerant Pipe Insulator82
Pipe Insulation82
- Insulate the Refrigerant Pipe83
- Insulate the Distribution Header84
- Insulating the Branch Joint84
- Insulating the Pipe Located Inside of the Outdoor Unit85
Charging Refrigerant (for the Turkish Market Only)85
Using Service Valve for Gas87
Basic Segment Display88
Setting Outdoor Unit Option Switch and Key Function88
- Setting Outdoor Unit Option Switches: B Type89
- Setting Outdoor Install Option89
- Installing and Setting the Option with Tact Switch90
- Setting Key Operation and Checking the View Mode with Tact Switch94
- Setting the MCU Address and the MCU Ports to Use98
Setting the MCU and Pipe Addresses (for HR Only)98
- Setting the Pipe Addresses Manually99
- Setting the Pipe Addresses Automatically (Auto Pipe Pairing Operation)100
- Check Items before Running the Auto Pipe Pairing Operation100
- To Run the Auto Pipe Pairing Operation101
Things to Check after Completing the Installation102
Checklist before Auto Trial Operation104
Inspection and Test Operation104
- Auto Trial Operation105
- Inspection and Trial Operation106
- Measure to Take When E503 Error Occurs106
- Measure to Take When E505, E506 Error Occurs108
Automatic Refrigerant Amount Detection Function110

Samsung DVM S AM240HXVAGH - Page 78

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