Conditions For Operation; General Operating Conditions - Buderus Logano GB125/22 BE Installation And Service Instructions Manual

Boiler model
Boiler overall length (L)
Boiler block length (LK)
Combustion chamber length
Combustion chamber length
Burner door thickness
Distance between boiler feet (FL)
1)
Net weight
Tab. 3 Dimensions, weight and other data for boilers without burners
1) Weight incl. packaging material approx. 6- 8 % more.
2.7

Conditions for operation

Maintaining the specified operating conditions will enable
the boiler to provide a high level of reliability and long serv-
ice life. Some details relate only to operation with Buderus
Logamatic control panels.
Caution: Risk of system damage if operating
conditions are not maintained.
Extreme divergence from the stated condi-
tions may cause irreversible damage to indi-
vidual components of the boiler as a whole.
V The information on the rating plate is defin-
itive.
2.7.1

General operating conditions

Min. boiler water
temperature
In combination with Logamatic control for variable low-temperature operating modes, such as Logamatic 2107
no requirements operating Automatically by Logamatic controls not required but recommended with
temperatures are ensured by
2)
the Logamatic controls
Tab. 4 General operating conditions
1) A heating circuit with a mixer improves controllability and is specifically recommended for systems with several heating circuits.
2) If heating zones or a boiler circuit actuator cannot be regulated via the control device (for example pump logic), an operating temperature of
122 °F must be reached within 10 min of switching the burner ON by restricting the water volume flow.
Logano GB125 BE US/CA - Technical specifications are subject to change without prior notice.
Unit
inch
inch
inch
inch
inch
inch
lbs
Operating conditions
Operating interruption
(complete boiler shutdown)
GB125/22 BE GB125/30 BE
37 1/2" 42 3/8"
25 3/4" 30 ½"
16" 20 ½"
10 5/8"
2 1/3"
16 1/8" 20 7/8"
423 503
Heating circuit with
1)
heating circuit mixer
low-temperature heating system
design 130/113 °F
Required with:
– Underfloor radiant heating systems
– Systems with large water capacity:
> 115 gal/MBH
(1 MBH = 100,000 Btu/hr)
2
Product description
GB125/35 BE
42 3/8"
30 ½"
20 ½"
20 7/8"
503
Min. return temperature
No requirements
11