16
We reserve the right to make any changes due to technical modifications!
Installation and Servicing Instructions Logamax plus GB142-24/30/45/60 • Version 12/2004
Buderus Hydronic Systems • http://www.buderus.net
Installation
6
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
pos. 5:
secondary pump
pos. 6:
shut-off valve
pos. 7:
shut-off valve
pos. 8:
zone valve
pos. 9:
primary pump
GB142
GB142
GB142
Additional
DHW
Tank
Optional
DHW
Tank
Aditional zones
zones
Radiant
FLUE GAS
PT
AIR INTAKE
9
1
2
4
5
6
3
7
8
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.
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
pos. 5:
shut-off valve
pos. 6:
shut-off valve
pos. 7:
zone pump
pos. 8:
primary pump
GB142
GB142
GB142
Additional
DHW
Tank
Optional
DHW
Tank
Aditional zones
zones
Radiant
FLUE GAS
PT
AIR INTAKE
8
1
2
3
6
7
5
4
NOTICE
Primary pump and DHW tank pump must
have an internal check valve.