E
A
C
D
F
G
B
M
H
I
Accumulation tank or
hydraulic crossover
Figure 3.
General connection scheme of the EKO-CKS P UNIT to the closed heating system
A
- Boiler flow
B
- Boiler return
C
- Connection line flow-return
D
- Boiler pump
E
- 3-way mixing valve with motor
drive (not included into delivery)
F
- Thermal insulation of the safety boiler circuit
G
- Automatic air vent pot
H
- Safety valve (obligatory install by EN 12828)
I
- Expansion vessel for closed systems
(approx. 10% of the total volume of installation)
LEGEND:
NOTE:
CLOSING VALVES ARE NOT DISPLAYED ON THIS PLAN!
i
Hydraulic connection scheme must be preformed in a manner as
shown in this scheme.
Other parts of installation which is not shown in this scheme
must be preformed accordance to nor
m EN 12828:2012+A1:2014.
In closed heating system (as in example shown in Figure 3.) it is
obligatory
to build in certified
safety valve with opening pressure of max. 3 bar and a closed expansion vessel. Safety valve and
expansion vessel must be built in accordance with professional rules and any valve must not be
located between safety valve and expansion vessel and boiler. The safety valve need to be chosen
according to the norms EN 12828:2012+A1:2014.
7.2. BOILER INSTALLATION TO CLOSED HEATING SYSTEM
2
Technical instructions
PelTec-Compact
20
Technical instructions
EKO-CKS P UNIT
