Minimum Fan Speed ($ And 5); Maximum Fan Speed (^ And 7); Forced Part Load Time (*); Cycling Prevention Delay Time (() - REMEHA Gas 310 ECO Technical Information

13.2.1 Minimum fan speed ($ and 5)

Parameter $, adjustable between 06 and 60 (x 100
rpm) and parameter 5, adjustable between 0 and 100
(x 1 rpm).
This setting is only active if setting 21
selected in the boiler control: high/low control (see sec-
tion 13.1.3). The value relates to the percentage output
when the boiler is running at 'low'.
The percentage 'high' position depends on the set maxi-
mum central heating speed.
g
Important!!
Only make changes after con-
sulting Remeha sales support department.

13.2.2 Maximum fan speed (^ and 7)

Parameter ^, Adjustable between 10 and 60 (x100
rpm) and parameter 7 adjustable between 0 and 100
(x 1 rpm).
The maximum speed can be limited at a lower value in
the software by changing parameters ^ and 7.
g
Important!!
Only make changes after con-
sulting Remeha sales support department.

13.2.3 Forced part load time (*)

Parameter Adjustable between 0 and 300 seconds.
The boiler always starts with a specified output for a
certain time. The boiler can then be sent to the minimum
position (20% of output) for a specific period, independ-
ent of the heat demand.

13.2.4 Cycling prevention delay time (()

Parameter *, Adjustable between 0 and 300 seconds.
This value sets a minimum off time following a control
stop / end of a heat demand to prevent cycling taking
place. When after this delay time flow temperature lies
less than 5° above return temperature (check on water
flow), the boiler will restart.
13.2.5 Required flow temperature at 0 - 10 volts (a
and B)
Start point (0 volts): parameter a, adjustable between
-50° and +50°.
This value sets the required flow temperature at 0-volt
signal input.
End point (10 volts): parameter B, adjustable between
+51° and +249°.
This value sets the required flow temperature at 10-volt
signal input (restricted by the maximum flow tempera-
ture setpoint and the maximum output).
These settings only apply if boiler control 41 has
been selected: 'external analog input 0-10V on the basis
of flow temperature'.
Supplied By www.heating spares.co Tel. 0161 620 6677
has been
fig. 26 Temperature control via analog (0-10 Volt)
signal
pdf

13.2.6 High operation signal switch point (C)

Parameter C, adjustable between 0 and 60 (x 100)
rpm.

13.2.7 Shunt pump post-circulation time (D)

Parameter D, setting 00 = 10 sec; 99 = continu-
ous and adjustable between 01 and 15 = number
of minutes.
Continuous water circulation is advisable if there is a
danger of the heating system freezing up.

13.2.8 dT from control stop point to start point (E)

Parameter E, adjustable from 5 to 20°.
This value sets the flow temperature at which the boiler
will cut back in after a control stop.
The boiler will always go to a control stop when the flow
temperature equals the flow setpoint temperature + 5°.
The dT defines when the burner is switched on again.
A value of 10° indicates that the temperature has to
drop 5° below the calculated flow temperature set point
before the boiler starts to run again.
Cut back in temperature = flow setpoint (80) + 5 -
parameter E (10), i.e. 80 + 5 - 10 = 75°.

13.2.9 Maximum flue gas temperature (F)

Parameter F, adjustable between 80 and 120°.
This value sets the maximum operating flue gas tem-
perature - for use with PVC flue systems.

13.2.10 Maximum temperature setting (G)

Parameter G, adjustable between 90 and 110°.
This value sets the high limit temperature at which the
boiler will shutdown in a lockout condition requiring
manual intervention.
43