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The great engineer

[@UniqueServices95]

Sir may India se hon mujh ko ye janna tha ke Jo hot and cold AC hota hai is mey 4way valve kitne voltage per Kam kar ta hay to us ke liye bhi ek relay hogi Jo remote se on hogi to hot mode per rilay on hi rahe gi na jap tak mod chenge nahi kar dete .
Aur ser kya ham Raning me us ka mode change kar sakte hai kya

[@thegreatengineer8450]

G bhai jan 4 way valve k liay B Relay hoti hai mode heat pr krny sy on hoti hai or 4 way valve 220v pr he operate hota hai
Or g running mai heating pr kr sakty hai