Scheduled days are highlighted (pos. 1). First time period (pos. 2) and the second time period (pos. 3) are shown on the
right side of each schedule.
Scheduled time period is displayed in blue colour on the clock (pos. 4).
6 Maintenance of the unit
Maintenance of the SAVE VTR 300/B should normally be performed 3 - 4 times a year.
6.1 Warnings
Danger
• Make sure that the mains supply to the unit is disconnected before performing any maintenance or
electrical work!
• All electrical connections and maintenance work must be carried out by an authorized installer and in
accordance with local rules and regulations.
Warning
• This product must only be operated by a person who has suitable knowledge or training within this field
or carried out with the supervision of a suitably qualified person.
• Beware of sharp edges during mounting and maintenance. Use protective gloves.
Warning
• All though the mains supply to the unit has been disconnected there is still risk for injury due to rotating
parts that have not come to a complete standstill.
6.2 Open the front hatch
Danger
• Make sure that the Mains supply to the unit is disconnected before performing any maintenance or
electrical work!
Open the hatch with the two latches and swing the hatch open.
6.3 Changing filters
Danger
Make sure that the Mains supply to the unit is disconnected before performing any maintenance or
electrical work!
The filters are to be changed every 3–15 months, default value is 12 months. When the filters have been changed the
filter timer will reset automatically after alarm is acknowledged.
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