Viessmann BWT 221.A06, Installation And Service Instructions Manual, Page: 112 / 124

112
Type BWT 221.A06 221.A08 221.A10
Electrical values, heat pump
Rated voltage, compressor 3/PE 400 V/50 Hz
Rated current, compressor A 5.5 6.0 8.0
Starting current, compressor A 25.0
14.0 *1 20.0 *1
Starting current, compressor (with
stalled armature) A 26.0 35.0 48.0
Compressor fuse A 1×C16A
3-pole
1×B16A
3-pole 1×B16A
3-pole
Rated voltage, heat pump control
unit/PCB 1/N/PE 230 V/50 Hz
Fuse, heat pump control unit/PCB
(internal) 6.3 A (slow) / 250 V
Power consumption
■ Primary pump at stage 1/2/3 W 81/113/151
■ Secondary pump at stage 1/2/3 W 62/92/132
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 170 170 170
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 14.3 14.8 15.9
Max. permissible DHW temperature °C 95 95 95
Dimensions
■ Total length mm 680 680 680
■ Total width mm 600 600 600
■ Total height mm 1829 1829 1829
Total weight kg 250 250 256
*1 With full wave soft starter
Specification
Specification
(cont.)
5601 574 GB