aerauliqa QR590E 설치 매뉴얼 - 페이지 18

{카테고리_이름} aerauliqa QR590E에 대한 설치 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. aerauliqa QR590E 20 페이지. Energy recovery ventilation unit with enthalpic heat exchanger

페이지 인쇄

Fig. 8.l

Fig. 8.m

8.5 Trouble shooting

Fans do not start

1. Check that main supply gets to the unit.

2. Check that all connections are working (all connections in terminal box and fast couplings of intake and exhaust air fans).

Reduced airflow

1. Check setting of fan speed on the CTRL-DSP (controller supplied).

2. Check filters. Change of filters required?

3. Check diffusers. Re-setting or cleaning of grilles and diffusers required?

4. Check fans and heat exchange block. Cleaning required?

5. Check if air intake and exhaust have been clogged.

6. Check ducting system for damage and/or dirt accumulation.

7. Check if Anti-frost icon

is displayed on LCD.

Fan noise/vibrations

1. Clean fan impellers. Cleaning required?

2. Check that the fans are firmly in place within the unit.

Excessive air noise

1. Check setting of fan speed on the CTRL-DSP (controller supplied).

2. Check grilles and diffusers. Re-setting or cleaning of grilles and diffusers required?

Unpleasant smell

1. Check filters. Change of filters required?

2. Check ducting system and grilles and diffusers. Cleaning required?