Hidraulic Circuit; Circulation Unit - Riello BAG2 MIX CLIMA Instructions For The Installer And The Technical Assistance Service

HYDRAULIC CIRCUIT HYDRAULIC CIRCUIT HYDRAULIC CIRCUIT
HYDRAULIC CIRCUIT HYDRAULIC CIRCUIT
E - Inlet (3/4")
U – Outlet (3/4")
MD – Delivery, direct system (3/4")
Mmix – Delivery, mixed system (1")
Rmix – Return, mixed system (1")
RD – Return, direct system (3/4")
The maximum length of plumbing connec-
tions between the boiler and the
unit must not exceed 15 m.
CLIMA
C C C C C IRCULATION UNIT IRCULATION UNIT IRCULATION UNIT IRCULATION UNIT IRCULATION UNIT
2
The BAG MIX CLIMA is fitted with two circulation units, the
performance data to be used to size the system, is shown
in the graph.
When starting up for the first time, and at least once a
year, it is advisable to check the pump units shaft
rotate.
This is necessary because, especially after lengthy
CIRCULATOR RESIDUAL HEAD
HIGH TEMPERATURE SYSTEM
5,5
5,0
4,5
4,0
3,5
3,0
2,5
2,0
1,5
1,0
0,5
0,0
0 200 400 600
1 - first speed
2 - second speed
3 - third speed
16
GENERAL
2
BAG
2
1
800 1000 1200 1400 1600 1800
Capacity (l/h)
MIX
MD
periods of inactivity, deposits and/or residue may stop
it rotating freely.
Do not run the circulation units without water.
Where present in low system flo regulator devices
(thermostatic electrical or motorized zone valves) it is
better to inster a by pass on the low temperature
system collector.
CIRCULATOR RESIDUAL HEAD
LOW TEMPERATURE SYSTEM
7,5
7,0
6,5
6,0
5,5
5,0
4,5
4,0
3,5
3 3,0
2,5
2,0
1,5
1,0
0,5
0,0
0 200 400
2000
1 ( ) first speed with close mix valve
1 ( ) first speed with open mix valve
2 ( ) second speed with close mix valve
2 ( ) second speed with open mix valve
3 ( ) third speed with close mix valve
3 ( ) third speed with open mix valve
E U
Mmix Rmix RD
1
600 800 1000 1200 1400
Capacity (l/h)
3
2
1600 1800 2000