Lincar Milly 515SC Manual Del Usuario página 42

Instructions for back connection :
Remove the removable area inspection sheet from equipment
Flue pipe on the back of the equipment.
The lateral sheet can be removed to have an easily installation.
Insert through the hole, the exhaust tube till the up to the discharge
fitting of the heater, ensuring that the 'coupling involves an overlap
of the seal on the fitting itself of at least 15mm as shown in Fig B.
−
Insert through the hole the exhaust tube. It's possible to remove the
side unscrewing the front and back fixing screws, assembling it
again after the connection operations.
Make attention to wiring and electrical connections
Complete the connection to flue.
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IT-GB-FR-ES mod. 515SC
Fig.B