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programmer or port valve
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<blockquote data-quote="rainydays" data-source="post: 154423" data-attributes="member: 1406"><p>Hi Tom1, have you checked to see if you have voltage at each stage when heat on is selected.</p><p></p><p>1. Select heat on only at the timeclock. Leave hot water off if it is not linked to the heating</p><p></p><p>2. do you get 230v going to the wiring centre. If so this is then linked to the common of the roomstat, in the wiring centre.</p><p></p><p>3. turn the roomstat up. Do you get 230v on the call conductor from the roomstat back to the wiring centre. This conductor should be connected to the white of the mid position valve. You should then also get 230v on the orange conductor of the mid position valve when the roomstat is turned up</p></blockquote><p></p>
[QUOTE="rainydays, post: 154423, member: 1406"] Hi Tom1, have you checked to see if you have voltage at each stage when heat on is selected. 1. Select heat on only at the timeclock. Leave hot water off if it is not linked to the heating 2. do you get 230v going to the wiring centre. If so this is then linked to the common of the roomstat, in the wiring centre. 3. turn the roomstat up. Do you get 230v on the call conductor from the roomstat back to the wiring centre. This conductor should be connected to the white of the mid position valve. You should then also get 230v on the orange conductor of the mid position valve when the roomstat is turned up [/QUOTE]
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