Pump Run On Time (@); Boiler Control (A) - REMEHA Gas 310 ECO Technical Information

13.1.2 Pump run on time (@)

Pump run on time can be adjusted (Please refer to
installation contractor).
- Press the m-key until the digit ! (with dot) appears in
the code-display.
- Press the s-key until the digit @ (with dot)
appears in the code-display.
- Set the required value, using the [+]- and [-]-keys.
- Press the e-key to store the new value (value will
flash twice).
- Press the reset-key to return to operating mode.
t
Code Description
@ 00
Pump runs on for 10 seconds
Pump runs on for 1 to 15 minutes
@ xx
(xx = 01 to 15)
@ 99
Continuous pump operation
table 17 Adjustments pump run on time

13.1.3 Boiler control (A)

Setting mode, parameter A, can be set to different val-
ues (see table 18).
Proceed as follows to change the boiler control:
- Press the m key until the number ! (with dot)
appears in the code window.
- Press the s key until the letter A (with dot)
appears in the code window.
- Use the [+] and/or [-] keys to specify the required set-
ting.
- Press the e key to store the new setting (flashes 2x
to confirm).
- Press the reset key once to return to operating mode.
t
Code Description
A x0
Heat demand off
x1
Heat demand on
2y
On/off and High/low
On/off and modulated on
3y
flow temperature
External 0-10V analog
4y
signal on temperature
External 0-10V analog
5y
signal on output %
table 18 Boiler control settings
Supplied By www.heating spares.co Tel. 0161 620 6677
Example: boiler control 41 indicates that the boiler is
controlled by means of a 0 -10 volt signal modulated on
the basis of flow temperature (x = 4). Heat demand is
on (y = 1).
13.2 Setting mode service level (only for the quali-
fied service engineer) (X [[)
To prevent accidental, unauthorised access by non-qual-
ified persons the control system requires an input code
to gain access to the second level of boiler control.
- Press the m- and s-keys simultaneously and hold.
The code-display now shows a letter c with a ran-
dom number in the t-display.
- While holding both keys pressed, set the t-display
to 12, using the [+]- or [-]-keys and press the e-
key.
- The display will flash twice, confirming acceptance of
the access code.
- Release the keys and c12 will disappear from the
display.
g
Important!!
without reference to the tables contained in this manual
may result in incorrect boiler operation.
- The service settings can now be reached by pressing
the m-key until the digit ! (with dot) appears in the
code-display. Set the required value, using the s-
key.
- To delete the service code, press the reset-key once.
- If no keys are pressed over a 15-minute period the
service code will delete automatically.
x = 2,
3, 4 or
5
x = 2,
3, 4 or
5
y = 0
or 1
y = 0
or 1
y = 0
or 1
y = 0
or 1
41
Changing the pre-set values