5.3
Connect the optional external air supply (rear connection)
Note:
• The appliance has the possibility to connect a supply pipe for external
combustion air. During operation the appliance gets combustion air from
this air duct. The appliance however, is not a room-sealed appliance
according to the requirements for room-sealed appliances.
• The external air supply connection is only available when ordered with the
appliance.
• It is strongly recommended to install a valve in the external combustion air
supply pipe, to avoid debris in the pipe and to avoid water vapor
condensation in the appliance when not in use.
• The BOX 20 52 with wood log storage module has 2 possibilities to
connect to an external air supply pipe to the rear of the appliance. Make
sure to use only 1 of the 2 rear connectors.
1. Remove the rectangular break out plate or round break out plate at the rear of the
appliance with a hammer. A round break out plate is now visible.
2. Remove the round break out plate with a hammer.
3. Put the collar adaptor in the open external air inlet opening.
4. Bend out the 3 lips on the collar adaptor to attach the collar adaptor on the inlet
opening.
5. Identify the location in the outer wall for the external combustion air supply inlet.
6. Make a hole in the outer wall with at a minimum diameter of 80 mm.
Installation
20
Box 20 52
Summary of Contents for BOX 20 52
Page 1: ...Installation and maintenance manual BOX 20 52 Serial number Production date...
Page 29: ...9 Dimensions 9 1 Dimensions BOX 20 52 with screened glass door Dimensions Box 20 52 29...
Page 31: ...9 3 Dimensions BOX 20 52 with steel frame door Dimensions Box 20 52 31...
Page 35: ...Warranty Terms Box 20 52 35...