Viessmann KWT BW 301.B090, Installation And Service Instructions Manual

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Type BW Single stage 301. Two-stage 302.
B090 B120 B090 B120 B150 B180 B250
Electrical values, control
unit
Rated voltage 1/N/PE 230 V/50 Hz
MCB/fuse protection 1 x B16A
MCB/fuse 6.3 AH (slow)/250 V
Rated output W 1000 1000 1000 1000 1000 1000 1000
Max. power consumption,
stage 1 W 25 25 25 25 25 25 25
Max. power consumption,
stage 2 W 20 20 20 20 20
Max. power consumption,
stages 1 & 2 W 45 45 45 45 45
Safety category/IP rating IP20 IP20 IP20 IP20 IP20 IP20 IP20
Refrigerant circuit
Refrigerant R410A R410A R410A R410A R410A R410A R410A
Refrigerant charge kg On request
Permiss. operating pressure,
low pressure side bar 18 18 18 18 18 18 18
Permiss. operating pressure,
high pressure side bar 43 43 43 43 43 43 43
No. of hermetically sealed
scroll compressors Type 1 1 2 2 2 2 2
Permiss. operating pres-
sure
Primary circuit bar 6 6 6 6 6 6 6
Secondary circuit bar 6 6 6 6 6 6 6
Dimensions
Total length mm 1343 1343 1343 1343 1932 1932 1932
Total width mm 911 911 911 911 911 911 911
Total height without program-
ming unit mm 1650 1650 1650 1650 1650 1650 1650
Connections
Primary circuit flow and re-
turn
7
3" 3" 3" 3" 3" 3" 3"
Heating flow and return
7
2
½
" 2
½
" 2
½
" 2
½
" 2
½
" 2
½
" 2
½
"
Weight kg 700 800 705 810 1130 1190 1300
Sound power level (tested
with reference to EN 12102/
EN ISO1914-2) Weighted to-
tal sound power level at
B0
±
3 K
/W35 ±
5 K
At rated heating output dB(A) 61.5 63 58 60 63 64 65
Specification
Specification, type BW 301.B090 to BW 302.B250
(cont.)
5549 984 GB
Service