4 Regulations and operating conditions
6 720 646 864 (12/2010) – Technical guide Logano GE315, GE515 and GE615
24
4.4 Operating requirements
These operating conditions are ensured through an
appropriate hydraulic circuit and boiler circuit control
(hydraulic connection Æ page 36).
4.4.1 Operating conditions for Ecostream cast iron boiler Logano GE315
4.4.2 Operating conditions for Ecostream cast iron boilers Logano GE515 and GE615
The operating conditions listed in Tab. 10
and Tab. 11 are part of the warranty
conditions for the Ecostream cast iron
boilers Logano GE315, GE515 and GE615.
Logano
Operating conditions (warranty conditions)
Minimum
boiler water
flow rate
Minimum boiler
water
temperature
Operating
interruption (total
boiler shutdown)
Heating circuit
control with heating
mixer
1)
1) Heating circuit control with mixer improves the control characteristics; particularly recommended for systems with several heating circuits
Minimum
return
temperature
Miscellaneous
GE315
In conjunction
with Logamatic
control unit
2)
2) If the heating circuits (pumps, actuators) or a boiler circuit actuator (operating flow temperature control) cannot be influenced via the control
unit, an operating temperature of 50 °C must be reached within 10 min when the burner is in ON mode, by limiting the flow rate
No
requirements
No requirements
Operating
temperatures are
safeguarded by
the Logamatic
control unit
No
requirements
Required in underfloor
heating systems;
advantageous in low
temperature heating
systems (e.g. system
design 55/45 °C)
No
requirements
For operation with
2-stage pressure-
jet oil or gas
burners: partial
load stage must
be set to 60 %
GE315
In conjunction
with a control
unit for constant
boiler water
temperature, e.g.
Logamatic 4212
No
requirements
55 °C
3)
3) With gas combustion, modulating < 60 % partial load, minimum boiler water temperature 65 °C
Possible if followed by
at least 3 hours of
standard operation
Required
No
requirements
For operation with
2-stage pressure-
jet oil or gas
burners: partial
load stage must
be set to 60 %
Tab. 10 Operating conditions for Ecostream cast iron boiler Logano GE315
Logano
Operating conditions (warranty conditions)
Minimum
boiler water
flow rate
Minimum
return
temperature
Minimum boiler
output at stage 1 in
2-stage operation
Operating
interruption (total
boiler shutdown)
Operating flow temperature
with burner in ON mode
GE515
GE615
In conjunction with the
Logamatic control unit
No
requirements
No
requirements
No
requirements
No
requirements
No
requirements
1)
1) If the heating circuits (pumps, actuators) or a boiler circuit actuator (operating flow temperature control) cannot be influenced via the control
unit, an operating temperature of 50 °C must be reached within 10 mins when the burner is in ON mode, by limiting the flow rate
GE515
GE615
In conjunction with a
control unit for constant
boiler water temperature,
e.g. Logamatic 4212, or
as a supplement to a
third party control unit
No
requirements
No
requirements
No
requirements
No
requirements
With oil combustion, operating
flow temperature 50 °C
2)
With gas combustion operating
flow temperature 60 °C
2)
2) When the burner is in ON mode, the operating flow temperature must be reached in the boiler within 10 mins and be maintained as the
minimum temperature (e.g. by reducing the flow rate)
Tab. 11 Operating conditions for Ecostream cast iron boilers Logano GE515 and Logano GE615
To Next Page
Loading...
Need help?
General