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DIP switches at the bottom rear of the controller can be set on site to suit the application.
DIP switch
1
Fan control
Operating mode changeover
2
via external switch
Action of switch for externally
3
operated mode changeover
4
Standby
Switching differential
5
6
Dead zone in normal operation
WHEN INSTALLATION HAS BEEN COMPLETED - CHECK:-
1. All pipework and joints for leaks
2. That all pipes and fittings are insulated
3. That terminals are tight and that no wire cores are exposed
4. That duct connections are air tight and insulated where necessary.
5. Filters are clean and undamaged
MAINTENANCE
A. Every 2 months
Inspect the filters and clean or replace as necessary
B. Every 6 months
Inspect and clean the fan rotors.
C. Every 12 months
1. Check the unit fixing
2. Ensure that the fan motor and fan deck fixings are tight.
3. Check the unit wiring for damage and ensure that all terminals are tight.
TEV Ltd.
Armytage Road, Brighouse,
West Yorkshire, HD6 1QF, UK.
Tel: 01823 665660
Heronhill - for all your Marstairs requirements
Function
Fan control is temperature dependent in all
operating modes
Changeover between normal operation
and energy saving mode
Changeover activated when contact of
switch is closed
Frost protection disabled
1K in heating mode, 0.5K in cooling mode
2K
www.heronhill.co.uk
ON position
Fan control in normal operation is
temperature independent
Changeover between normal operation
and standby
Changeover activated when contact of
switch is open
Frost protection enabled
4K in heating mode, 2K in cooling mode
5K
= factory settings
OFF position
Fax: 01823 665807
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