Installation instructions Cascade Venting System for RTG 199HE Back to back 6 720 811 762 / 238-50973-00A (2014/05) Basic Set for units 1 and 2 - 7 736 501 253
Table of contents Table of contents 1 Key to symbols and safety instructions . . . . . . . . . . . . . . . . . . . 3 1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Accessory assembling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 Maximum and minimum permitted vent lengths . . . . .
Key to symbols and safety instructions 1 Key to symbols and safety instructions 1.1 Key to symbols Warnings Warnings in this document are identified by a warning triangle printed against a grey background. Keywords at the start of a warning indicate the type and seriousness of the ensuing risk if measures to prevent the risk are not taken. The following keywords are defined and can be used in this document: • NOTICE indicates a situation that could result in damage to property or equipment.
Key to symbols and safety instructions Each appliance requires 9.950 cubic feet of available combustion air, or a minimum of 1.243 square feet of space with an 8 foot ceiling to operate. If this amount of air space is not available, provisions must be taken to provide sufficient combustion air from the outside. Always install the combustion air grill to prevent foreign objects from falling into the unit.
Accessory assembling 2 Accessory assembling Fig. 1 [1] [2] [3] [4] [5] [6] [7] [8] 7 736 501 148 (Ø 6") (Ø 150mm) - Condensate trap and cover 7 736 501 125 (Ø 6") (Ø 150mm) - Header pipe 7 736 501 110 - Condensate siphon 7 736 501 141 (Ø 4") (Ø 100mm) - Elbow 7 736 501 256 (Ø 4") (Ø 100mm) 7 736 501 123 (Ø 4"/ 6") (Ø 100/150mm) - Reducer 7 736 501 121 (Ø 4"/ 5 29/32 ") (Ø 100/150mm) - Check valve 7 736 501 090 (Ø 4") - 9.
Accessory assembling Fig. 2 Fig. 4 Fig. 3 Fig.
Accessory assembling 360° 6 720 604 873-17.1O Fig. 6 Apply lubricant evenly all around all gaskets Fig. 8 6720804520-01.1V Fig. 7 6 720 811 762 (2014/05) Fig.
Accessory assembling Fig. 10 Fig. 12 Fig. 13 Fig.
Accessory assembling Fig.
Accessory assembling Fig. 15 Complete setup of the 2 unit cascade. For units 3 and 4 follow the installation instructions of the extension kit.
Accessory assembling Fig. 16 Vertical setup - for horizontal termination see Fig.
Accessory assembling Ø 6 1/4” (160 mm) 6720804524-06.1V Fig. 18 1 6720801430-17.1V Fig. 19 Ø 6” (150 mm) 6720804524-05.1V Fig. 17 [1] 6720801430-18.1V 7 736 501 095 Fig. 20 It is recommended to consult a professional roofer to ensure a long lasting water tight seal is established. 3. 5. 4. 6720801430-19.1V Fig.
Accessory assembling 1 6 720 610 165-03.2O 1 Fig. 24 Ø 6” (150 mm) It is recommended to consult a professional roofer to ensure a long lasting water tight seal is established. 6720804054-07.1V Fig. 22 [1] 7 736 501 091 Flashing for 12/5 to 12/12 pitch (25° - 45°) 7 736 501 093 Flashing for flat roof to 12/5 pitch (0 - 25°) A > 15 ¾ " (400 mm) > 20" (500 mm) Table 2 Choose the proper vent pipe height A depending on the typical snow accumulation for the location 6720801430-21.1V Fig.
Accessory assembling 2.1 Maximum and minimum permitted vent lengths Fig. 25 [1] [2] 7 736 501 117 - Horizontal wall terminal 7 736 501 116 - Wall cover plate Ø 6” (150mm) Leq 40" (1m) TTNR 7 736 501 132 45° 80" (2m) 90° 7 736 501 146 NOTICE: Minimum vent length Not considering the appliance headers and the termination, a minimum 40" (1m) of horizontal run is required.
Notes 6 720 811 762 (2014/05) 15
