External Connections - Viessmann Vitotronic 300-K Installation And Service Instructions Manual
Digital boiler control unit/weather-compensated digital cascade control unit
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Also See for Vitotronic 300-K:
- Operating instructions manual (48 pages) ,
- Installation and service instructions manual (116 pages) ,
- Operating instructions for the system user (52 pages)
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Vitotronic 100, GC1B / Vitotronic 300-K, MW1B Installation and Service
External Connections
Vitotronic 100, Installation
120V pumps with an amperage draw of <2FLA
Legend
A Din rail
B Pump
120V pumps with an amperage draw of >2FLA
Contactor specification 120VAC 1A
Legend
A Din rail
B Contactor/relay (field supplied)
C Pump
D Power supply w/disconnect and protection
240V single phase pumps
Contactor specification 120VAC 1A
Legend
A Din rail
B Contactor/relay (field supplied)
C Pump
D Power supply w/disconnect and protection
208/460/575V 3 phase pumps
Contactor specification 120VAC 1A
Legend
A Din rail
B Contactor/relay (field supplied)
C Pump
D Power supply w/disconnect and protection
59
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