Viessmann VITOCAL 300-A Installation And Service Instructions Manual page 183
Type awc-i-m, aw-o-m
compact heat pump with electric drive, 230 v~
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Also See for VITOCAL 300-A:
- Installation and service instructions manual (208 pages) ,
- Installation and service instructions for contractors (124 pages) ,
- Operating instructions manual (60 pages)
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Safety chain, control circuit, main power circuit
P Mixer ~CLOSE, heating circuit
with mixer M2
R Heating circuit pump for heating
circuit with mixer M2
S Cylinder primary pump / shut-off
valve
T Immersion heater control (on site)
or
Cylinder reheating with external
heat source pump
Connection and wiring diagrams
(cont.)
U Fan motor
Z For continuation of control circuit,
see previous illustration
sG Secondary pump (plug in cable
harness)
Colour coding to DIN IEC 60757:
BU Blue
RD Red
YE Yellow
183
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