"WHHR Midi"
Residential Whole House Heat Recovery
Unit with Low Energy DC Motor
Installation, Operating and Maintenance
Instructions
Страница 1: ...WHHR Midi Residential Whole House Heat Recovery Unit with Low Energy DC Motor Installation Operating and Maintenance Instructions...
Страница 2: ...facility to boost the extraction rate when desired e g when cooking or bathing or when pol lutant levels rise This may be done automatically or manually The system is designed to run continuously and...
Страница 3: ...bedroom or living room The condensation drain MUST be fitted Care should be taken to ensure that ducting is free from blockages External grilles should be located a minimum of 600mm from any flue out...
Страница 4: ...ting bracket as a template to mark the five fixing hole centres 2 Check fixings supplied which are for a solid wall are suitable for your installation For a different type of mounting surface ensure a...
Страница 5: ...dia pipe must be fitted to the pipe connection If any part of the condensate drain is in an unheated space it MUST be insu lated with the equivalent of at least 25mm of insulating material with a ther...
Страница 6: ...h OFF bathroom light switch off measure the airflow rate at the extract valve and compare this to the design value If there is a difference adjust the potentiometer MIN MOT2 on the con trol board and...
Страница 7: ...l h drainage 6 Switch on the boost light switch ON 7 Measure the airflow rate at the extract valve and compare this to the design value If there is a difference adjust the potentiometer MAX MOT1 8 Re...
Страница 8: ...strap fitted carefully pull out the heat exchanger Caution if this is done during cold weather the heat exchanger may contain water It is advisable to have a plastic bowl avail able to avoid spillage...
