5 Installation
6.3 Basic equipment: Buffer charging
This is the basic hydraulic equipment of the
pellet
ele-
gance
boiler (pre-assembled at the factory). Nume-
rous heating variants can be realised with this
equipment.
Schematic: Buffer ch Heating circuit
(HC) external
Hydraulic basic equipment
Abb. 2-30_031AI
1 Buffer return
2 Buffer flow
7 Return booster pump Wilo Yonos PARA RS
15/7.5 RKC
8 Return mixer (3-way mixing valve with ser-
vomotor)
i
The factory setting of the return booster pump
is setting 3. If the there are flow noises, set the
pump to setting 2.
6.4 Extension pack for heating circuit 1
Schematic: Buffer l integrated HC1
Overview
Abb. 2-31_005f
1 Buffer return
1a Return booster pump Wilo Yonos PARA RS
15/7.5 RKC
1b Return mixer (3-way mixing valve with ser-
vomotor)
2 Buffer flow
3 Heating circuit 1 - return
4 Heating circuit 1 - flow
4a Heating circuit 1 - Pump Wilo Yonos PARA RS
15/6 RKA
4b Heating circuit 1 - mixing valve (3-way mixing
valve with servomotor)
4c Flow temperature sensor 1
Installation manual
pelletelegance
25
