Buderus Logamax plus GB142-24 Installation And Servicing Instructions page 16

6 Installation
WARNING
No valve is to be placed between the relief
valve and the tank. Discharge of the relief
valve must be conducted to a suitable place
for disposal when relief occurs and no
reducing coupling or other restriction may be
installed in the discharge line.
NOTICE
Primary pump and DHW tank pump must
have an internal check valve.
We reserve the right to make any changes due to technical modifications!
16
Installation and Servicing Instructions Logamax plus GB142-24/30/45/60 • Version 12/2004
FLUE GAS
GB142 GB142 GB142
1
2
PT
3
4
5
6
zones
7
Aditional zones
8
Fig. 11 Schematic representation of the appliance with the
hydraulic set connected to an optional hot water tank
with one or multiple zones including one pump and
zone valves
pos. 1: pressure relief valve
pos. 2: PT meter
(Pressure and
temperature meter)
pos. 3: drain valve
pos. 4: DHW pump
FLUE GAS
GB142 GB142 GB142
1
2
PT
3
4
5
zones
6
Aditional zones
7
Fig. 12 Schematic representation of the appliance with the
Hydronic set connected to an optional hot water tank
with one or multiple zones and zone pumps
pos. 1: pressure relief valve
pos. 2: PT meter
(Pressure and
temperature meter)
pos. 3: drain valve
pos. 4: DHW pump
Buderus Hydronic Systems • http://www.buderus.net
AIR INTAKE
Optional
Additional
DHW
DHW
Tank
Tank
9
Radiant
pos. 5: secondary pump
pos. 6: shut-off valve
pos. 7: shut-off valve
pos. 8: zone valve
pos. 9: primary pump
AIR INTAKE
Optional
Additional
DHW
DHW
Tank
Tank
8
Radiant
pos. 5: shut-off valve
pos. 6: shut-off valve
pos. 7: zone pump
pos. 8: primary pump