Viessmann BWT 241.A Series, Installation And Service Instructions Manual

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Type BWT-M 241.A06 241.A08 241.A10
Power consumption
■ Primary pump at stage 1/2/3 W 81/113/151
■ Secondary pump at stage 1/2/3 W 62/92/132
■ Cylinder primary pump PWM W 31 – 88
Max. power consumption, control
unit W 1000 1000 1000
Rated output, control unit/PCB W 10 10 10
Refrigerant circuit
Refrigerant R410A R410A R410A
Fill volume kg 1.8 1.8 2.05
Compressor type Hermetically sealed scroll compres-
sor
Permiss. operating pressure
■ High pressure side bar 43 43 43
■ Low pressure side bar 28 28 28
Integral cylinder
Capacity l 220 220 220
Continuous output for DHW heating
from 10 to 60 °C l/h 241 275 309
Performance factor N
L
to DIN 4708 1.0 1.1 1.3
Max. draw-off rate at the stated per-
formance factor N
L
and DHW heating
from 10 to 45 °C
l/min 16.8 16.8 17.3
Max. collector area with orientation to
the south (flat-plate/tube collectors)
m
2 5/3 5/3 5/3
Max. permissible DHW temperature °C 95 95 95
Dimensions
■ Total length mm 680 680 680
■ Total width mm 600 600 600
■ Total height mm 2075 2075 2075
Total weight kg 260 260 266
Permiss. operating pressure
Primary circuit (brine) bar 3.0 3.0 3.0
Secondary circuit heating water bar 3.0 3.0 3.0
Secondary circuit DHW bar 10.0 10.0 10.0
Solar circuit bar 6.0 6.0 6.0
Specification
Specification
(cont.)
5601 598 GB
Service