KAL-FIRE Heat Pure Series 105T, Инструкция по установке и эксплуатации

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5. Lighting the fireplace
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Heat Pure 80 tunnel and Heat Pure 105 tunnel
The Heat Pure 80 and Heat Pure 105 tunnel are not suitable to be used
when open.
Only open the door of the firebox if strictly necessary (e.g. to
add logs).
5.6.1 Topping up with wood
To maintain optimal heat output, top up the fire with new wood as soon
as the flames have disappeared and the logs are starting to glow (no
smoke development). To add new logs, you need to open the door
slowly, to prevent smoke escaping into the room because of the sudden
draught. Do not add more than 2 to 3 logs (see maximum weight wood,
table 5). When the logs are burning strongly, you can close damper (if
installed) again.
A rule of thumb: 1 kg of wood provides about 4 kW of energy.
The Heat Pure is suitable for discontinuous use. This is achieved by
burning according to table 5.