Viessmann VITOCAL 300-A Installation And Service Instructions Manual page 177
Type awc-i-m, aw-o-m
compact heat pump with electric drive, 230 v~
Hide thumbs
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)
Table of Contents
Advertisement
Safety chain, control circuit, main power circuit
A Control unit power supply connec-
tion
B External demand (message input,
control unit)
C Fault message, lag heat source
(message input, control unit)
D External blocking (message input,
control unit)
Connection and wiring diagrams
(cont.)
E Power-OFF (remove jumper when
connecting)
F Message input, power-OFF
X For control circuit connection, see
page 180
Y For continuation of safety chain,
see following illustration
= Plug in cable harness
177
Advertisement
Table of Contents
