Cold Doctor

MKoltsov

In-app purchases

About this app

COLD DOCTOR is a professional AI assistant for air conditioning, refrigeration, and VRF system specialists.

Forget about stacks of printouts and searching forums at 3 a.m.
on-site. Everything a technician needs is in one app, offline, and always at hand.

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WHAT A COLD DOCTOR CAN DO
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ERROR CODES
Instant error code decoding for ages 15+ Brands:
Daikin, Mitsubishi, Gree, Midea, Haier, Samsung, LG,
Panasonic, Hitachi, Fujitsu, TCL, Beko, Electrolux, and others.
Cause + solution – no fuss.

SENSORS AND THERMISTORS
NTC/PT100/PT1000 tables for quick sensor testing
right on-site. Determine whether a sensor is working or not –
in 30 seconds with a multimeter.

CONTROLLERS
A complete reference guide for Danfoss ERC/EKC, Carel IR33,
Dixell XR, Eliwell, and Chinese STC/W1209/XH series.
Parameters, connection diagrams, setup from scratch.

EXPANSION TEMPERATURE VALVES AND ERMVES
Selection, superheat adjustment, diagnostics,
typical malfunctions. Manufacturer's tables:
Danfoss, Alco, Parker, Sanhua, Carel, Emerson.

COMPRESSORS
Bitzer, Copeland, Danfoss, LG, GMCC, Kulthorn, and others.
Operating currents, pressures, oils, winding diagnostics.

REFRIGERANTS AND OILS
Operating pressures for R22, R32, R410A, R404A, R134a, R290.
Saturation tables, POE/AB/MO oil compatibility.

ELECTRICALS
Typical compressor currents, starting currents,
selection of circuit breakers and protective devices.
Compressor winding continuity test algorithm.

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FOR WHOM
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Air conditioning installers and service engineers
Commercial and industrial equipment refrigeration technicians
VRF and Chillers
Students and novice technicians
Service managers

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WHY COLD DOCTOR
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Works offline - no internet connection required on-site
Quick search By error code or brand
User-friendly interface, even in low light
Regular database updates
🇷🇺 Completely in Russian

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Cold Doctor — because a good technician
doesn't guess, he diagnoses.