External Connection Diagram - Viessmann VITOCROSSAL Service Instructions Manual
Single boiler: 80 to 318 kw. twin boiler: 240 to 636 kw. gas condensing boiler with matrix cylinder burner. open flue and room sealed operation
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Also See for VITOCROSSAL:
- Installation instructions manual (44 pages) ,
- Installation instructions for contractors (40 pages) ,
- Installation instructions manual (36 pages)
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External connection diagram
Fig. 65
Plug 230 V~
Boiler circuit pump or butterfly valve with return
sÖ
spring (only with multi boiler system)
Rated voltage: 230 V~
Rated current: Max. 2 (1) A~
Circulation pump for cylinder heating
sA
40
L
N
230V~
40
20
28
96
21
1
Rated voltage: 230 V~
Rated current: Max. 2 (1) A~
DHW circulation pump (accessories)
sK
Rated voltage: 230 V~
Rated current: Max. 2 (1) A~
Power supply, on output extension SA 169
B
fÖ
Connection and wiring diagram
101
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