Instruction manual
2
PrimoBox ACB 910 mixing unit for condensing boilers
Table of Contents
Explanations to the installation and operation manual ............................................ 3
Safety messages and hazard categories ..................................................... 3
Using additional parts and accessories ........................................................ 4
Hydraulic diagram of the ACB 910 unit ........................................................ 9
Connection to the heat source ...................................................................14
Connection of individual heating circuits ....................................................15
Differential pressure relief valve DU ...........................................................15