Sime ALU PLUS HE 1100, Инструкция для пользователя, по установке и обслуживанию

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115
EN
8.4 Main primary circuit
Sime ALU PLUS HE
boilers can be connected in a cascade without
additional components as they are equipped with the specific
cascade board as standard. The cascade can be made up of
between two and eight boilers of the same model (e.g. three
ALU PLUS HE 360
).
d
IT IS FORBIDDEN
The cascade CANNOT be composed of different boiler
models (e.g. two
ALU PLUS HE 360
and one
ALU PLUS
HE 720
).
SE
M
TA
R
Pcp Pcp Pcp
NC
R
Vsic
R
SP
M
Vsic
M
Vsic
Vsic
ALU HE
MASTER
ALU HE
SLAVE
n°2...n°7
ALU HE
SLAVE
n°1
GS
Italy only
Vsic
SMC
Fig. 40
KEY:
TA Air thermostat for boiler activation
M Boiler delivery
R Boiler return
GS INAIL safety unit (Italy only)
Vsic Relief valve
SP Plate heat exchanger
MCP Primary circuit pump
NC Condensate neutraliser
SE External sensor (Obligatory)
SMC Cascade delivery probe
m
CAUTION
The system designer is responsible for choosing and sizing up the system components and MUST follow the best practice
technical guidelines, as well as complying with the local and national legislation in force in the destination country.