Viessmann Sub-mounting kit, Инструкция по установке и обслуживанию

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14
Venting the heating circuit with mixer
A
B
Fig. 13
1. Connect a hose to air vent valve A and route it
into a
drain connection.
2. Connect the fill hose to on-site drain & fill valve
B
.
3. Flush the heating circuit under mains pressure until
sound of escaping air is no longer heard.
Position of switch on the mixer motor
Fig. 14
The rotary selector on the mixer servomotor must be
set to automatic (arrow towards "A"). In the event of
mixer control faults, turn the rotary selector to "manual"
and adjust the mixer manually (emergency mode).
Commissioning and adjustment
(cont.)
6131382