Number
Description
11
Cascade of three boilers with primary heating circuit (internal
pump)
12
Cascade of two boilers with primary heating circuit (external
pump)
13
Cascade of three boilers with primary heating circuit (exter
nal pump)
14
Cascade of two boilers with primary and secondary heating
circuit (internal pump)
15
Cascade of three boilers with primary and secondary heat
ing circuit (internal pump)
16
Cascade of two boilers with primary and secondary heating
circuit (external pump)
17
Cascade of three boilers with primary and secondary heat
ing circuit (external pump)
18
Cascade of two boilers with primary heating circuit (no
pump) + hydraulic valves
19
Cascade of two boilers with primary heating circuit (external
pump) + hydraulic valves
20
Gas boiler and heat pump serial connected
21
Gas boiler and heat pump parallel connected
Tab.21 Connection
Number
Description
00
Empty (no connection)
01
Direct connection
02
Low loss header
03
Plate heat exchanger
04
Buffer tank with one sensor
05
Buffer tank with two sensors
06
Buffer tank with electrical heating
07
Buffer tank with solar heating
08
Low loss header with Tflow sensor
Tab.22 Zone 1 (CircA)
Number
Description
00
Empty (no zone)
01
Direct circuit
02
Mixing circuit
03
Swimming pool (direct)
04
High temperature
05
Fan convector (direct)
06
Domestic hot water tank
07
Domestic hot water tank (electrical)
08
Time program
09
Process heat
10
Domestic hot water tank (layered)
11
Domestic hot water tank (internal)
12
Underfloor heating (mixing)
13
Heat interface unit
Fig.29
Connection
AD-3001529-01
00
00
00
00
00
00
00
Fig.30
Zone 1 (CircA)
AD-3001530-01
00
00
00
00
00
00
00
4 Before installation
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