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Oxyacetylence (oxygen+Acetylene)လေအိုးမီးအိုး သုံးပီး မီးဘယ်လိုဆော်ရလဲ part 1

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Oxyacetylence (oxygen+acetylene) လေအိုးမီးအိုး အသုံးပြုပီး မီးဘယ်လို‌ေဆာ်မှာလဲpart2

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Air circuit breaker (ACB) 3lock 2key system with bustie (coupler)

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Floatless relayသုံးပီး ရေထုတ်ရေတင်ခြင်း

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Gree GMV-5 Function Setting to single Cooling mode

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Gree D series Air-cooled scroll chiller display controller

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2.Compressor Terminal Ground/Earth Fault Megger or Insulation Testing

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1.Compressor terminal ground/earth fault Megger or Insulation testing

07:53

how to check Mitsubishi City Multi PUHY-YHMA Version, Refrigerant type, Capacity, Outdoor Address

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Hitachi VRV indoor wall mounted type auto restart function ထည့်ခြင်း

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Honeywell valve actuator, chilled water fan coil unit 2way motorized valve,vc6013,vc4013

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Original Aircon remote အစား Universal Aircon remote ကို အသုံးပြုရအောင် လုပ်ခြင်း

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Gree Chilled water Fan Coil Unit FP-85 WAK series Deep cleaning

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How to set Memory icon on Gree GMV-5 VRV/VRF indoor unit (Gree GMV-5 VRV,VRF Auto restart function)

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Mitsubishi Electric City Multi PUHY-YHMA VRV/VRF

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Cooling tower for water-cooled chiller

08:27

Hitachi VRV Indoor information checking(Hitachi outdoor display မှ Indoor information စစ်ဆေးခြင်း)

17:35

25.AC,DC power current calculation, formula, capacitor kvr size

17:10

24.electrical load and its power triangle1 လျှပ်စစ် ဝန် သုံးမျိုး

06:32

23. water air compressor motor control circuit 3 ရေမော်တာ ၃

10:23

22 air compressor control circuit 2 ရေမော်တာ၂

06:21

21. air compressor motor control 1 ‌ရေမော်တာ

35:30

20.Three phase meter to single phase meter changeover switch

15:36

19.stair switch control circuit လှေခါးမီး ဆင်နည်း

15:23

17. Three Phase induction motor star delta forward reverse control and power circuit

23:46

16. Three phase induction motor star delta control and power circuit

13:32

15.start,stop motor with one start pushbutton (NO)using two relay motorနှစ်လုံးကို အလှည့်ကျမောင်းမယ်

21:38

14.Motor run after 4sec,stop motor after 5sec,Air cooled chiller electrical control

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12. Forward,Reverse Three phase, single phase induction motor control

15:01

12. Forward , Reverse power circuit connection

14:05

13.what is pole,core,phase sequence protector

10:57

11 Sequential control with two on delay timer

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10 Sequential control with on delay timer

09:38

9.OR,AND function control circuit

06:42

8.blinking circuit/ pulse on pulse off control circuit

14:20

7.Sequential Control 2/ Three motor forward, reverse control with interlock circuit

14:09

6.Sequential Control 1

13:16

5.Two motor control / Alarm activation when the electricity is back

21:25

4.Relay, Magnetic contactor, On-delay, Off-delay timer,Neon tester or line tester

10:12

3.DOL with multi stop multi start

09:13

2.studying direct on line starter

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1.studying stop and start pushbutton momentary switch