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7. Checking and maintenance
FAILURE TO REINSPECT THIS VALVE AS
DIRECTED COULD RESULT IN UNSAFE PRESSURE
BUILD-UP WHICH CAN RESULT IN SERIOUS
INJURY OR DEATH AND/OR SEVERE PROPERTY
DAMAGE.
2. If, after following the aforementioned warning
directions, the relief valve weeps or will not seat
properly, it will need to be replaced. Verify that the
reason for the w eeping of the relief valve is in fact
Kits
Part No.
MM176234DD
S52484
S58286
S103209 Service Kit A
S103210 Service Kit B
S103211 Service Kit C
S57241
S54731
* Annual maintenance is representative of 2000 hours each of boiler use per year
7.2 Maintenance message
It is mandatory to have the boiler inspected and
serviced on a yearly basis. To determine the best time
for maintenance, the boiler is fitted with a function that
automatically signals any maintenance to be carried
out. The appearance of this service message on the
boiler display is determined by the automatic control
unit
WARNING
•
Maintenance operations must be done by a
qualified proffesional.
•
An annual inspection is mandatory.
•
Only original spare parts must be used.
7.3 Preventive maintenance with automated
service message
When it is time to carry out maintenance on the boiler,
the following instructions are shown on the display:
In a yellow display:
The symbol
•
•
The symbol
SERVICE
•
Maintenance message A , b or c
The maintenance message indicates which kit should be
used. If no other faults are noted during the inspection
initiated subsequent to the maintenance message,
these maintenance kits include all of the parts needed
for the maintenance concerned (such as the gaskets,
88
Item Description
Kit for low water cut-off with test button
Cleaning tool for heat exchanger
Cleaning tool for heat exchanger
*Annual maintenance kit (Sealing heat exchanger front plate, M6 nuts
frontplate, Ignition/ionization electrode including gasket and screws)
*Annual maintenance kit (Sealing heat exchanger front plate, M6 nuts
frontplate, Ignition/ionization electrode including gasket and screws,
Insulation plate heat exchanger)
*Annual maintenance kit (Sealing heat exchanger front plate, M6 nuts
frontplate, Ignition/ionization electrode including gasket and screws,
Insulation plate heat exchanger, Non return valve with gasket)
Sealing heat exchanger front plate
Insulation plate heat exchanger
MCA Pro 45/65/90/115
the valve and not over pressurization of the system
due to the expansion tank being waterlogged or
undersized.
Review with the owner
1. Review the User Information Manual with the
owner.
2. Inform the owner of the maintenance schedule
specified in this manual and the User Information
Manual.
3. Remind the owner of the necessity to call a
professional licensed heating contractor in the
event that the boiler or the system exhibit any
for example). The automatically transmitted
maintenance message makes it is possible to carry
out preventive maintenance and therefore use the
maintenance kits defined by DDR Americas Inc.
i
When a maintenance message is displayed,
it must be acted upon within the 2 months
following the appearance of the message.
CAUTION
Reset the maintenance message to zero after each
inspection
WARNING
The behaviors of the boiler can be altered when parts
are removed and reinstalled. The boiler performance
needs to be checked after each maintenance
procedure to verify that it is operating properly. This
can be done by following the complete system start-
up procedure in this manual. Failure to follow proper
start-up procedure could result in severe personal
injury, substantial property damage or death.
Boiler Model
MCA Pro 35-115
MCA Pro 35/45/65
MCA Pro 90/115
MCA Pro 35-115
MCA Pro 35-115
MCA Pro 35-115
MCA Pro 35-115
MCA Pro 35-115
MCA-Pro ISM Rv.4.1 2/2017
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