21
TopGas Cascade
60 - 720 kW
4215256-00 - 11/16
Connections
1. Gas DN65 PN6
2. Heating Flow DN100 PN6
3. Heating Return DN100 PN6
4. Condensate Drain DN40
5. Flue Concentric 100/150mm
6. Safety Valve R1”
7. Boiler Drain G¾”
Note: Condensate drainage, fluing, safety valve discharge and boiler drain pipework to be supplied and fitted by the installer (not by Hoval)
Blanking flanges can be fitted either side of the header assembly to suit site requirements
Optional low loss header or air/dirt seperator not shown
Six boilers, back to back frame mounted - 6 x TopGas 60 (7015848), 6 x TopGas 80 (7015820)
Six boilers, back to back frame mounted - 6 x TopGas 100 (7015817), 6 x TopGas 120 (7015825)
3.6. Technical Drawings, cascade back to back frame mounted
SIX BOILERS 3*3 TopGas 100/120
SIX BOILERS 3*2 TopGas 45-80
Connections
1. Gas DN65 PN6
2. Heating Flow DN80 PN6
3. Heating Return DN80 PN6
4. Condensate Drain trap DN40
5. Flue Concentric 100/150mm
6. Safety Valve R1”
7. Boiler Drain G1”