Daikin VRV System Started To Be Marketed In Indonesia In 1982
Since 2012. Daikin VRV Sales Increased Sharply Along With The Construction Of New Buildings In Indonesia
With Increasing Installation Requests And Number Of Installers, Daikin Provides Installation Training
Video This Manual Is A Guide To Daikin VRV IV Air Conditioning System Installation
This Video Will Explain Unit Installation, Testing, And Maintenance Procedures
Make Sure To Do All The Installation Work In Accordance With The Guide
PLANNING
Installation of VRV Ac System Installation Begin With Planning To Determine Details And Classification Of Work And Making Installation Design
Designs That Have Been Made By The Consultant's Side Serves As A Guide For The Contractor During The Installation Process
This Preliminary Process Followed by Procurement and Goods Transportation
As Daikin VRV Installer, Ensure Installation Fittings As Below:
Flaring Tool
Pipe Expander
Pipe Cutter
Pipe Bender
Drill
Torque Key
R410A Manifold Gauge
Brazing Tool
Copper Pipe
PVC Pipe For Drain
Brackets And Rods
Drawing AC Project
Schematic Pipe
And Safety Equipment In The Field
TRANSPORTATION
Distance of Freight Routes Need to Be Made As Nearly Possible To Prevent Damage During Transportation To The Installation Site
Indoor And Outdoor Unit Transported To Location In Wrapped Condition
Do not Open Wrap Up Installation Time
When Receiving Products, Make Sure Indoor And Outdoor In Good Condition
And Equipped With Accessories And Manual Books That Are Inside Packaging
To Avoid Model Error Or Installation Location
Stick Paper on Packaging. Which Addresses Installation Location And System Number
Installation Procedures Indoor And Outdoor Units Can Be Different One Model With Other Models
For That, Learn To Guide In The Manual Book
Any Damage Shape on the Unit Must Be Immediately Reported
INDOOR UNIT INSTALLATION
Before the Installation Work is Upgraded, Ensure Workers Have Weared Safety Tools, Such as Gloves
Worker's Clothing
Helmet Protector
And Work Shoes
Workers Also Must Have Complete Installation Equipment
Determine Piping Direction and Air Out Direction
Mark the Central Indoor Unit with Lime on the Ceiling
From This Bottom Line, Draw a Line To Mark The Location of Indoor Captive Bolt Unit
Create Distance For The Service And Installation Room
Use Drill To Make Holes On The Marked Points
Determine the Length of an Adjusting Bolt to Height of Preferred Mount
During the Inserting Bolts In Place, Place Bolts And Washer On The Strengthening Bolt
After Installed Retaining Bolt, Adjust The Lower Bolt With Installation Height
Use Washer Plate To Strengthen Washer At The Top
Installation Height Indoor Unit Can Be Changed By Rotating Double Bolt
After Adjusting, Double Back Double Bolt
If the length of the retaining bolt exceeds 1.5 meters, place the diagonal support between the two retaining bolts
After All Of The Perfect Installation Bolts, Install Indoor Unit
In the Manual Installation, Attach the Main Retention Bracket From Unit to Bottom Retaining Bolt
After Indoor Unit Installed, Make Sure Not Italic
And Cover With Plastic Bag Or Something To Protect Units Of Dirt And Dust
MERCHANDISING INSTITUTION
The first step of pipe buffing is to determine the location and distance between buffers
Ideal Distance Interface Buffer Horizontal Refrigerant Piping Is 1-2 Meters, Depending on Diameter of Refrigerant Pipes
The Smaller the Pipe Diameter, The Distance between Buffer Should Be Shorter
While the Vertical Refrigerant Pipe Maximum Spacing is 1.5 Meters
If the Liquid and Gas Refrigerant Pipe is Hanged Simultaneously, Adjust the Buffer Size Based on the Size of the Liquid Pipe
Before Supporting Refrigerant Pipes, Install Hard Bearings For Coating Insulation Materials At Buffer Points
It Aims To Prevent Insulation Material Ripped Because Of Pipe Burden
For Horizontal Drain Pipe The distance of Idela between Buffer is 1-1,5 Meters
The length of the drain pipe should be calculated
In order for Drain Pipe to Be On Gradient Decrease Each Meter Long Pipe Down 1 Centimeter
If Multiple Pipes Are Installed In Parallel, Leave Space For Maintenance
Refrigerant Pipe Pipe And Drain Pipe Also Need To Install On Branching Pipes And Turning
On Drain Pipes Around Indoor Units And On Pipes That Pass Through Hole
REFRIGERANT PIPE WORK
Basic Principle of Refrigerant Pipe Is Pipe Should Always Be In A Clean, Dry And Not Leaking Condition
At the Time Will Store Refrigerant Pipes, Make Sure Both Pipe Ends are Closed
And Do not Put Pipe Direct On Floor
Use Desk Or Shelf To Store Pipe
Pipe Edge Protection Simply Done By Isolation
But If Pipe Will Be Left In Time More Than One Month, Pipe Edge Should Be Closed By Wash Way
Good Refrigerant Pipe Protection When Will Be Stored
Or During Work to Aim To Prevent Water, Dirt And Dust Enter In Pipe
It Can Disrupt AC Work And Cause Malfunction On The Machine
Use Insulator Material That Can Survive At Temperatures Over 70 Degrees Celsius With Minimum Thickness Of 20 Millimeters
Separate Gas and Gas Refrigerant Pipes Insulation. Do not Use Insulastors That Are Damaged Or Torn apart
To Cut a Pipe, Use a Copper Pipe Cutter
Face Pipe Down To Cut Sore Remnants No Entry Into Pipe
Rotate Little Plumbing Pipe For Little by Little
After That Puree The Sliced Part With Chisel. Perform Smoothing Process Twice
To Bend Refrigerant Pipes, One Tool Used Is A Lever Type Bender
First, Mark the Pipes That Will Be At the Curve
Align the Arm Edge of the Tool With the "0" Sign In the Clamp Lever
Align Signs That Have Been Made On Pipes With "R" Or "L" Signs On Arm Tool
Arm Movement To Bend Pipe To Create The desired angle
Piped Pipe With Slow To Prevent The Formation Of Fold Or Defect On The Inside Pipe Curva
Do not Bend Pipes Over 90 Degrees
To Connect Two Refrigerant Pipes, Zoom One End of Pipe Using Pipe Expander
Put the Bigger Screw Into The Pipe And Movement The Lever Slowly
After the Two Pipes Are Connected, The Next Step Is The Welding To Unify The Pipe Connection
Flow Nitrogen Into Pipe To Prevent Forming All Oxide Films On The Inner Layer During Welding
Nitrogen Used Is Nitrogen With Purity Level At least 99.99%
Before Flowing Nitrogen, Close the Other Side Pipe Edge With Isolation In A Few Hole To Remove Nitrogen
Open the Nitrogen Gas Regulator Up to 0.02 Mpag
Make Sure the Nitrogen Pressure Is Not Too High, Because It Could Cause Metal The Laser Can Not Be Sticked Perfectly
On Pipe Connection And Causing Hollow Pipes
Before Welding, Make Sure the Pipe Has Been Connected Well
Where the mouth of the enlarged pipe can hold the connection pipe in a horizontal position without falling
Equipment Needed To Weld Consists Of:
Oxygen Tube And Regulator
Asetilene Tubes And Regulators With Sputum Prevention
Double Hose, Stretcher, and Other Lens Device
Heat the Surface of the Plumbing Pipe Connected Evenly Surround Until The Red Pipe Surface Is On
And Achieve Temperature 640-780 Degree Celsius
While Welding, Wear Protective Devices, Such as Eye and Glove Protection
In addition, Prepare the Fire Fighting War
Make a 3 Millimeter Distance From The End Of Fire By Pouring Into The Pipe With The Ignition Angle 80-85 Degrees
The Enchantment Fire End Not Can Sticking On Pipe
Melt the Metal Fillers Gradually. Then Stick On The Pipe Connector Slowly
Stainless Steel Filler With Pipe Must Overlap To Prevent Leakage
After Done, Cool the Pipe Sections Stenciled With Wet Cloth. Do not Turn Nitrogen Until It's Really Cold
For Connecting Refrigerant Pipe Branching Or Refnet With Main Pipe, Use Straight Pipe At least 0.5 Meters
Refnet Position Should be Horizontal, Not Vertical Allowed
The Distance Between a Refnet Should Be More Than 1 Meter
Use Insulators And Adhesives To In- tute Refnet
With Special Adhesives, Paste Pieces of Pieces of Pipe Isnulation Material Installed In Piping Buffer Section
Cover With Tape From Bottom Up
To Simplify Installation, Use Refnet Prepared
INDOOR TEST PRESS
After All Connected Refrigeration Components, Perform Checks With Pressure Tests.
For Leakage Can Be Easily Discovered, Launch Tests Pressed Against Pipes During Piping Installation
Pressure On Liquid And Gas Pipes With Nitrogen Flowing
Starting From 0.3 Mpag To Detect Large Leakage, Up To 4 Mpag To Detect Small Leaks
Perform Test For 3 To 5 Minutes To Detect Large Leaks
If No Pressure Down, Continue Test Up To 24 Hours To Detect Small Leak
If Pressure Drops Down, Find a Leaky Location Using Water of Soap
On Surface Connection Pipes And Replace Leaking Connections
Decrease Pressure Can In Tolerir If There Is Decreased Room Temperature, Namely 0.01 Mpag Per 1 Degree Celsius
After the Refrigerant Piping Through Leakage Test, Connect the Pipe With Indoor Unit
Apply Refrigerant Oil On Pipe Surface To Be Connected
Handwriting Hand Wound Jar, Make Sure To Use Joint Nipples Provided Together With Indoor Units
Tighten Mur Using Torque Locks, Do not Play Moles Too Tight Because Can Cause Damage On The Connection
Rotate Insulation around the Mur On the Liquid and Gas Pipes
Second Keypad of Insulation Connection With Clamping Material
DRAIN PIPE WORK
Drainage Pipe Work Begins From Piping On Side Indoor Unit
Flexible Pipe Must be Installed In Indoor Unit Before Connecting
with PVC Pipe Using Clamp Connections provided with the unit
Do Not Use Adhesives To Connect Drain Pipes With Indoor Units
Because It Will Be Difficult In Service And Maintenance
To Flow the Water Flow, Make Sure the Drain Pipe Is Installed By Tilt Comparison 1/100
The length of the Drain Pipe To The Final Disposal Place Needs To Be Shortly Predicted To Prevent Air Cavities
Do not Connect Drain Pipe With Drainage Or Waste Building Because Can Cause Not Smelly
To Combine Multiple Drain Channels, Use Y Connection
If Not Available, Use Connection T
Minimize Number of Units Combined, To Make Drain Pipe Not Too Long
Put A Cleaner Or Stoppers At The Top of The Main Channel To Test Water Flow
Perform a Water Flow Test By Entering Water Through the Plug
If No Problem And Water Can Flow Well, Install Insulator On The Cork
CONTROL OF CONTROL CORD
This Is A Power Cable And It Is A Cable Of Control. For Communication Between Indoor And Outdoor
Use Compatible Type Control Cable Protected Vinyl Gloves, Cable Thickness 0.75 Mm Up 1.25 Mm
If Control Cable Is Installed Using Grounding, Make Sure One Wire End
Connect With Grounding To Avoid Communication Techniques
Control Cable And Power Cord In Parallel
Must Be Given Distance At Least 5 Centimeters To Prevent Interference
Do Not Use Multi-Core Cables, Can Cause Signal Disturbance And Transmission Errors
In One System Use Power Cables of the Same Type
INSTALLING OUTDOOR UNIT
Try Bringing Outdoor Unit To Installation Site In Right Straight Condition To Prevent Compressor Damage
For Lifting or Outdoor Equipment Hoist to Use Sufficient Equipment
And Referring To The Manual To Prevent Unit Damage
Elevation of Base Buffer Outdoor Unit Minimum 15 Cm From Surface Floor
Install Unit into Foundation Using Nut, Bolt, Rubber Silencer, And Washer Foundation Type M12
Elevation of Mur From Maximum Foundation Surface 2 Cm
When Installing The Outdoor Unit On The Roof, Make Sure The Roof Floor Has Been Waterproof
Leave Space Between Piping With Outdoor Unit As A Service And Maintenance Room
Make Sure the Outdoor Unit Location Has Good Ventilation
To Avoid The Heat Air Out Of The Outdoor Unit
After All Work on Refrigerant Pipe Completed, Perform Vetting Process
In order for Pipe In Empty And Clean Before Press Test
At This Stage, Install Gauge On Liquid And Gas Refrigerant Port Service
Choose a Vacuum Pump That Can Make Pressure Up To -100.7 Kpag And Can Increase Volume Of Liberation
Turn on Vacuum Pumps Up to -100.7 Kpag Pressure
Turn off the Vacuum Pump And Let The Pipes In Airless Condition For 1 Hour
This Is To Ensure Gauge Indicators Not Rising.
If Indicators Up, Restore the Vote Process
TESTING AND COMMISSIONING
Here Is The Process TESTING AND COMMISSIONING
Prepare the Tools Required
Calculate Addition of Refrigerant
Measure the Length of Refrigerant Pipes To Calculate Refrigerant Quantity Required
Always Use R410A Refrigerant
Use Digital Scales
Turn on Outdoor and Indoor Power Units
Then, Open Full of Stopping Gas and Liquid Valves
Set Refrigerant Charging Into On Position
Position Tank Facing Down So Refrigerant Added In Liquid Form
If Added Refrigerant Has Achieved Wanted Weight, Press Button To Stop Operation
Include Refrigerant Addition Calculations in the "Labeling Instruction of Refrigerant Additions" installed On Outdoor Unit
This Data Will Be Required At Maintenance
Check Electricity Supply With Ampere Meter
Check Electrical Voltage With Multitester
Check Continuity Cable Outdoor Unit Kontol
Disconnect Cable From Outdoor Unit, Combine Both Kebel Tip
Then Paste the Edge with the Megger Tester Tool
To Know That Cable Is In Good Condition
Check Number of Indoor Unit On Outdoor Unit Circuit. Amount Will Appear On Digital Screen
Turn on Outdoor and Indoor Units.
Press BS2 Button On Outdoor Unit. On the Digital Screen Will Appear Code T01, Indicates Indoor Unit 1 Being Tested
If Unit 1 is Working Perfectly
Then Testing Automatically Continued to Indoor Unit 2. And So on
Testing Will Stop If There Is Problem In Communication Cable
Check the Indoor Unit being tested
And Make Repairs
Record All Test Results And Submit a Copy to the Building Manager
MAINTENANCE
To Ensure Optimal Unit Performance, Routine Serial Maintenance and Inspection Series
Prepare Necessary Equipment for Maintenance
Such as Electric Flow Meter Or Tang Ampere, Wind Speed Or Anemometer Speedometer
Digital Thermometer And Pressure Detector Or Manifold Gauge
Clean Air Filter On Indoor Unit Routinely
Remove The Filter And Clean With Vacuum Cleaner Or Spray With Jet Cleaner
Vertically And Horizontally To Eliminate Dust And Dirt That Stick
Do not Use Hot Water Above 50 Degrees Celsius
Clogging Dirt Can Cause Conditions As Refrigerant Pressure Declines
Clean The Filter From The Rest Of The Water And Leave For Half Hour Until Dry
Install Back Filter
For Cleaning Outdoor Unit, Firstly Removing Condenser Fins Using Condensor Comb
This process aims to open the closed fins so that the air can flow properly
And Dirt That Stick Can Be Cleaned
After Finned Fins, Spray With Jet Cleaner Vertically And Horizontally
Install Manifold Gauge On The Port In The Outdoor Unit Perform a Refrigerant Pressure Test
Make sure the pressure of the liquid pipe is in Angaka 0.81 Mpag And Gas 2.8-3 Mpag, Depending On Environmental Temperature
Press Operation Button On PC Board To Check Cable Connection, Stop Valve, Sensor, And Refrigerant Volume
Check Electricity Supply With Tang Ampere
Check Electrical Voltage With Multitester
Ensure Air Filter, Fan, Blower, And Condenser In A Clean State
Mistakenly Adding Refrigerant Under These Conditions Can Ruin the Machine
Operate Normally With Remot Controller
Check Ac Performance After Maintenance
Record All Measures Of Maintenance And Repairs To Do And Schedule Next Maintenance
Examination And Maintenance Indoor And Outdoor Unit Routinely
Can Prevent Excess Burdens And Extend Product Period
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