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5 Installation
6 DHW tank - flow
6a DHW circuit - Pump Wilo Yonos PARA RS 15/6
RKA
6b Zone valve
Installation steps
►
Remove the closing plugs at
HC1a
and
HC1b
.
►
Install the preassembled pump group
DHW cir-
cuit - group
, connect
DHWTa
to
HC1a
and
DHWTb
to
HC1b
.
Abb. 2-42_070AO
►
Bolt the (longer) flow pipe
DHW circuit flow
6
to
the pump housing.
►
Bolt the (shorter) return pipe
DHW circuit return
5
to the existing pipe.
Abb. 2-43_071AO
i
Consider the flow direction at the zone valve:
The direction is bottom-up.
Electrical connection
X8 Zone valve
6b
X8 DHW circuit - pump
6a
6.7 Extension pack: DHW tank charging
(without buffer tank)
Requirement for this extension
þ
The extension for heating circuit 1 (Art.
67261, 67271) must be installed
þ
The extension for heating circuit 2 (Art.
67262, 67272) can be installed
Schematic: HC1 + HC2 + DHW tank charging (no
buffer charging)
Overview
Abb. 2-44_008a
1
DHW tank return
1a Return booster pump Wilo Yonos PARA RS
15/7.5 RKC
1b Return mixer (3-way mixing valve with ser-
vomotor)
2
DHW tank flow
Installation manual
pelletelegance
29