Viessmann VITOCAL 300-A Installation And Service Instructions Manual page 62

Type awc-i-m, aw-o-m compact heat pump with electric drive, 230 v~
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Installation sequence
Secondary side connections (heating circuits)
Type AWC-I-M
Diagram with instantaneous heating
water heater (accessory)
B DHW cylinder flow
Push hydraulic lines A, B, D onto
connections and secure with two
plug-in connector retainers each.
62
(cont.)
C Condensate drain
D Heating water flow
E DHW cylinder return/heating
water return

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