Buderus logamax plus gb142-24 Installation Manual 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 boiler pump must have an internal
check valve.
Buderus • http://www.buderus.net
16
1
2
3
4
5
6
zones
7
8
Fig. 11 Schematic representation of the boiler 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
1
2
3
4
5
zones
6
7
Fig. 12 Schematic representation of the boiler 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
We reserve the right to make any changes due to technical modifications!
Installation instructions Logamax plus GB142-24/30/45/60 • version 10/2007
FLUE GAS AIR INTAKE
GB142 GB142 GB142
Optional
Additional Additional
PT
Radiant
Aditional zones
pos. 5: secondary pump
pos. 6: shut-off valve
pos. 7: shut-off valve
pos. 8: zone valve
pos. 9: primary pump
FLUE GAS AIR INTAKE
GB142 GB142 GB142
Optional
Additional Additional
PT
Radiant
Aditional zones
pos. 4: DHW pump
pos. 5: shut-off valve
pos. 6: shut-off valve
pos. 7: zone pump
pos. 8: primary pump
DHW DHW
DHW
Tank Tank
Tank
9
DHW DHW
DHW
Tank Tank
Tank
8