Argo AMG21CDT 기술 데이터 및 서비스 매뉴얼 - 페이지 14

{카테고리_이름} Argo AMG21CDT에 대한 기술 데이터 및 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Argo AMG21CDT 16 페이지.

7-5 Fan works at one speed only

Check electrical conec-

tions. Is there continuity ?

YES

Check power supply

between 1-7(high) or

1-8(low) electronic control

contacts (CE)

YES

Check fan motor winding

values (MV)

YES

Replace fan motor (MV)

Is the unit cooling capacity

suitable for the room

thermal loads ?

YES

Are both air filters and heat

exchanger cleaned ?

YES

Check if Difference bet-

ween room air

temperature and outlet air

delivered is up to 10 °C

normal operations

foreseen for the

YES

Low

gas charge

Proceed with

above points

Fit electrical connec -

tions properly

Replace the electronic

control (CE)

Suggest a more power-

ful unit

Clean filters and / or

heat exchanger

The unit works properly