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MCA 35
Installer level - #SYSTEM menu
Parameter
Adjustment range Description
(1)
PUMP
P.DHW:
RV
(1)
ON
BS60
OFF
(1)(3)
DHW LOOP
S.AUX
PROGRAM.
PRIMARY PUMP
ORDER BURNER
DHW
FAILURE
DHW ELEC
(1)
SYSTEM
I.SYST
STORAGE TANK
DHW STRAT
ST.TANK+DHW
(1)
FAILURE
O. TEL:
REVISION
DEF+REV
(1)
CLOSE
CT.TEL
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 MA 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
15/06/12 - 300022160-001-01
Use of a tank load pump on the Mr outlet
Use of a reversal valve for DHW production
Small capacity tank
Large capacity tank
Use as a domestic loop pump
Use as an independent programmable outlet
The outlet MAUX is active if a heating demand is
present on the secondary pump
The outlet MAUX is active when a burner demand is
present
Use of primary circuit of second DHW tank
The outlet MAUX is active if an fault is detected
Used to control the electrical resistor according to the
timer programme on circuit AUX in summer mode
The inlet sensor is used to connect the common flow
sensor of a cascade system
Hot water storage tank affected to heating only
Using the DHW tank with 2 sensors (top and bottom)
Hot water storage tank affected to heating and
domestic hot water
The telephone outlet is closed in the event of failure
The telephone outlet is closed in the event of revision
display
The telephone outlet is closed in the event of failure or
revision display
See table below.
5. Commissioning
Factory setting Customer
setting
RV
OFF
DHW LOOP
SYSTEM
FAILURE
CLOSE
71
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