DeDietrich MCA Pro 115, Installation And Service Manual

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MCA Pro 45/65/90/115 MCA-Pro ISM Rv.4.1 2/2017
CAUTION
• Do not make a fixed connection allowing
maintenance work on the siphon to be performed.
• Do not plug the condensate discharge pipe.
• Set the discharge pipe at a gradient of at least
0.36”/ft - 30 mm/m , maximum horizontal length
16.4 ft/5 m.
• Do not drain condensation water into a roof gutter
at any time.
• Connect the condensate discharge pipe
in accordance with prevailing local code
requirements.
• Condensate pipes shall not be subject to freezing
conditions.
• A condensate pump must be installed if the
condensate outlet of the boiler is lower than the
drain. The selected pump must be approved for
condensing boiler applications. Select a pump with
an overflow switch in order to avoid condensate
spillage.
• The drain connection must terminate into an open
or vented drain as close to the boiler as possible
to prevent siphoning of the boiler drain.
PVC cement and primer must conform to ASTM D2564
or F493. In Canada use CSA or ULC listed schedule 40
CPVC or PVC drain pipe, fittings and cement.
1. Fit the condensate tube and the siphon to the boiler
with water .
2. Mount a standard drainage pipe leading to the
main drainage system. The drain connection must
terminate into an open or vented drain as close to
the boiler as possible to prevent siphoning of the
boiler drain.
3. Mount a trap or a siphon in the discharge pipe.
4. Installation
Filling the siphon
1. Remove the siphon.
2. Fill the siphon with tap water. This must be
completely filled.
3. Re-assemble the siphon.
CAUTION
Fill the water siphon before starting the boiler to
avoid combustion products escaping from the boiler.
CAUTION
During operation, check condensation siphon is
draining properly.