Viessmann Vitodens 200 B2HA 2 x 60kW in Series 60 kW - B2HAK79
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Now 30% smaller than the previous cascade configuration, it is perfect for plant rooms with lower footprints or with a small headroom, as the boiler height can be adjusted on the frame. Suitable for row, block or even corner installations, the compact cascade can be wall mounted or simply fitted with a free-standing frame for 2,3,4,5 or 6 boiler units at a time. This can deliver a maximum output of 594 kW with a 6 boiler cascade
Addition Accessories required
Adaptor flanges DN 100 to R 2
Can be used for total heating outputs of up to 200 kW in conjunction
with a cascade module adaptor
Part no. ZK02629
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Pipe bends 90°
For corner installation, multi boiler system
Part no. ZK02630
Comprising:
■ 2 pipe bends
■ Thermal insulation
■ Support
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Condensate collectors
Comprising:
■ Condensate collector with tee and brackets
■ Drain hose for connecting to the drainage system
■ Connection hose for condensate drain from trap
■ Connection hose for draining the safety valve for each boiler
- Two-boiler system: Part no. ZK02631
- Three-boiler system: Part no. ZK02632
- Four-boiler system: Part no. ZK02633 (block or inline formation)
- Five-boiler system: Part no. ZK02634
- Six-boiler system: Part no. ZK02635 (block or inline formation)
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A - Flue gas header, B - Terminal with trap
Flue gas cascades (positive pressure)
Comprising:
■ Flue gas header
■ Terminal with condensate drain and trap
Two-boiler system in inline formation
– For Vitodens 200-W, 49 and 60 kW: Part no. ZK00675
– For Vitodens 200-W, 69 to 99 kW: Part no. ZK00676
Three-boiler system in inline formation
– For Vitodens 200-W, 49 and 60 kW: Part no. ZK00678
– For Vitodens 200-W, 69 to 99 kW: Part no. ZK00679
Four-boiler system in inline formation
– For Vitodens 200-W, 49 and 60 kW: Part no. ZK00681
– For Vitodens 200-W, 69 to 99 kW: Part no. ZK00682
Five-boiler system in inline formation
– For Vitodens 200-W, 49 and 60 kW: Part no. ZK02636
– For Vitodens 200-W, 69 to 99 kW: Part no. ZK02637
Six-boiler system in inline formation
– For Vitodens 200-W, 49 and 60 kW: Part no. ZK00684
– For Vitodens 200-W, 69 to 99 kW: Part no. ZK00685
Four-boiler system in block formation
– For Vitodens 200-W, 49 and 60 kW: Part no. ZK00689
– For Vitodens 200-W, 69 to 99 kW: Part no. ZK00690
Six-boiler system in block formation
– For Vitodens 200-W, 49 and 60 kW: Part no. ZK00691
– For Vitodens 200-W, 69 to 99 kW: Part no. ZK00692
For further specifications on the flue gas cascades, see the technical guide to Vitodens flue systems.
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Note
When installing a flue gas cascade, a second flue gas back draught
safety device for each boiler must be added to the order!
Back draught safety device for Vitodens 49 kW
Comprising a back draught safety device DN 80 with coding card.
For vertical installation in the continuing flue pipe, directly downstream of the boiler.
Must be added to the order for every boiler in the flue gas cascade:
Part no. ZK07169
Back draught safety device for Vitodens 60 kW
Comprising a back draught safety device DN 80 with coding card.
For vertical installation in the continuing flue pipe, directly downstream of the boiler.
Must be added to the order for every boiler in the flue gas cascade:
Part no. ZK07170
Back draught safety device for Vitodens 80 kW
Comprising a back draught safety device DN 110 with coding card.
For vertical installation in the continuing flue pipe, directly downstream of the boiler.
Must be added to the order for every boiler in the flue gas cascade:
Part no. ZK07171
Back draught safety device for Vitodens 99 kW
Comprising a back draught safety device DN 110 with coding card.
For vertical installation in the continuing flue pipe, directly downstream of the boiler.
Must be added to the order for every boiler in the flue gas cascade:
Part no. ZK07172
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Design information
A Cascade module adaptor
B Low loss header
C Air vent valve
D Sensor well for flow temperature sensor
E Boiler drain & fill valve
F High efficiency circulation pump
G Boiler drain & fill valve
H Safety valve
K Drain
L Vitotronic 300-K (can be fitted either to the left or the right)
The total length of all BUS cables (on site) should not exceed
50 m.
HR Heating water return
HV Heating water flow
Vitodens 200-W compact cascade system
- Flue gas cascade
- Vitodens 200-W gas condensing boiler
- Heating circuit connection set
- Cascade frame or wall bracket
- Low loss header
Cascade Specifications
- Maximum Install Height With frame and gas header: 2 metres Without frame: 1.8 metres
- Minimum Install Height With frame and gas header 1.7 metres Without frame: 1.5 metres
