Instruction manual
6
PrimoBox ACB 910 mixing unit for condensing boilers
3.1
Construction
1-
Shut-off valve with thermometer
2-
Reduced temperature zone supply
3-
Reduced temperature zone return
4-
ARM ProClick actuator
5-
Specific 4-way valve with 6 connections
6-
Supply from a condensing boiler
7-
Differential pressure relief valve
8-
Direct zone return
9-
Direct zone supply
10-
Electric box
11-
Circulation pump
Fig. 2: Construction of the ACB mixing unit for the condensing boiler
1
1
1
2
1
3
4
5
6
7
8
9
11
10