864 ST Fireplace Installation Manual - Lopi

Finalizing the Installation (for qualified installers only) 27Top Vent Configuration with Vertical Termination• The termination must fallwithin the shaded areashown in the chart. Use theindicated restrictor anddiffuser positions.• Up to four elbows (45° or90°) may be used.• Only one horizontal elbowmay be used.• May use 8" or 6-5/8"diameter vent (see page for18 details).40' (max)35 feet30 feet25 feet0 feet5 feetExhaust Restrictor # 4Intake Restrictor # 2Diffuser Position # 2 (stock)Exhaust Restrictor # 3Intake Restrictor # 2Diffuser Position # 2 (stock)20 feet 20 feet15 feet10 feet10 feet15 feet20' (max)40' (max)35 feet30 feet25 feet15 feet10 feet5 feet5 feet0 feet0 feet0 feet5 feet10 feet15 feet20' (max)H2This is considered a horizontalelbow (it does not matterwhether it turns right or left).It may be a 90° or 45° elbow.Horizontal length is calculated by addingboth lengths of horizontal run(Horizontal Length = H1 + H2).H1This is considered avertical elbow© Travis Industries 4071126 100-01195_000