DeDietrich Innovens MCA 25/28 BIC, Installation And Service Manual

Page: 60 / 124

Installer level - #SYSTEM menu
Parameter Adjustment range Description Factory setting Customer
setting
P.DHW:
(1)
PUMP Use of a tank load pump on the
Mr
outlet RV
RV
Use of a reversal valve for DHW production
BS60
(1)
ON
Small capacity tank
OFF
OFF
Large capacity tank
S.AUX
(1)(3)
DHW LOOP
Use as a domestic loop pump
DHW LOOP
PROGRAM.
Use as an independent programmable outlet
PRIMARY PUMP The outlet
M
AUX is active if a heating demand is
present on the secondary pump
ORDER BURNER The outlet
M
AUX is active when a burner demand is
present
DHW
Use of primary circuit of second DHW tank
FAILURE The outlet
M
AUX is active if an fault is detected
DHW ELEC
Used to control the electrical resistor according to the
timer programme on circuit AUX in summer mode
I.SYST
(1)
SYSTEM
The inlet sensor is used to connect the common flow
sensor of a cascade system
SYSTEM
STORAGE TANK
Hot water storage tank affected to heating only
DHW STRAT
Using the DHW tank with 2 sensors (top and bottom)
ST.TANK+DHW
Hot water storage tank affected to heating and
domestic hot water
O. TEL:
(1)
FAILURE
The telephone outlet is closed in the event of failure
FAILURE
REVISION
The telephone outlet is closed in the event of revision
display
DEF+REV
The telephone outlet is closed in the event of failure or
revision display
CT.TEL
(1) CLOSE
See table below.
CLOSE
OPEN
(1) The parameter is only displayed if
INSTALLATION
is set to
EXTENDED
(2) If the pump incorporated in the boiler is used for circuit A (parameter
CIRC. A:
set to
DIRECT
), the
M
A outlet is free
(3) The parameter is only displayed if the parameter
O.PUMP A
is set to
CIRC.AUX
or the 3-way valve PCB option is connected
5. Commissioning MCA 25/28 BIC
58 15/06/12 - 300022159-001-01