Overview Of Boiler Types; Preparing The Appliance For Operation - Bosch Greenstar ZBR16-3A Operating Instructions Manual

8 | Preparing the appliance for operation

The commercial and industrial use of the appliance for generating process heat is not
permitted.

2.3 Overview of boiler types

Greenstar
Table 2
Z Central heating appliance
W DHW heating
B Condensing technology
R Constant temperature control
16...42 Output up to 54,600 / 71,600 / 95,500 / 119,400 / 143,300 BTU/hr
(16 / 21 / 28 / 35 / 42 kW)
-3 Version
A Fan-supported appliance
3 Preparing the appliance for operation
▶ If existing, open the heating supply valve and the heating return valve.
▶ If existing, open the cold water valve and the DHW valve.
▶ When using ZBR..-3A appliances with DHW tank, open a DHW tap until water runs
out.
▶ Open the gas cock.
▶ Open the control panel cover.
Greenstar
ZBR16-3A
ZBR21-3A
ZBR28-3A
ZBR35-3A
ZBR42-3A
ZWB28-3A
ZWB35-3A
ZWB42-3A
6 720 818 061 (2015/11)