Viessmann VITOTRONIC 300 GW2 Installation And Service Instructions Manual page 141

Parts List
Order No. Serial No.
7134 555, 7134 556, 7143000
7511 362 7187101
7248248
Ordering Replacement Parts:
Please provide product Model and
Serial Number from rating plate when
ordering replacement parts. Order
replacement components from your
Viessmann distributor.
Parts
001 Hinges
002 Optic link
004 AHL Knob
005 Fixed high limit cover
006 Dial-stop 110°C/230°F
008 Support arm
011 Safety module (wired)
013 Front housing (with Pos. 001)
014 Circuit board enclosure
015 Flip-down cover
016 Rear housing
018 Programming unit
019 Flip-down cover
020 Front cover for heating circuits
021 Flat cable, 14-pole
024 Fuse holder cover
025 Fuse holder
030 Fixed high limit, 3510mm
031 Adjustable high limit
037 Switch, 1-pole (FHL test)
038 Switch, 2-pole (power on/off)
040 Sensor #1 for outdoor
temperature
042 Sensor #3 for boiler
043 Sensor #5 for domestic hot
water production
047 LON module
048 Circuit board (mixing valve
expansion)
049 Motherboard (control, low
voltage)
050 Circuit board (control software)
051 Diagnostics module (Optolink)
052 Motherboard (control, line
voltage)
054 Circuit board (120V power
supply)
055 Motherboard (mixing valve
expansion)
065 Burner cable Nr. 41/90 l=3470
067 Sensor (Immersion, NI500)
068 Sensor #2 for supply
074 Harness for programming unit
092 Fuse 6.3A / 250V (10 pack)
*1
068 040
020
006
004
037
025
092
024
002
051 021
019
011
031
030
038
005
001
Additional Information
018 074
013
001
015
141