REMEHA Quinta 85 Technical Information download pdf (Page 36)

Remeha Quinta 85

The Remeha Quinta boiler (twin connection only) is capable of operating with the

air inlet and flue outlet in different pressure zones (CLV System). There are some

restrictions to the flue/air inlet lengths and max height differences which have been

detailed in Fig. 09.

Maximum total length of air inlet and flue gas outlet pipework (L) as detailed in table

below (calculation based on using 1 x 90° bend).

Quinta 85

110 mm

maximum Length L m 22

eq. Length bend 45° m 1.5

eq. Length bend 90° m 5.4

Table 15 Calculation data different pressure zones

NOTE: this system may not be used in areas with adverse wind conditions (i.e. in

some coastal regions).

NOTE: If the design parameters are outside the values shown in the above table or

there is any doubt over the flue system, please contact our technical department for

calculation to be undertaken.

7.3.7 Modular installations

For flue gas-side and air-side connections for multiple boilers in cascade configuration,

refer to Broag for advice.

7.4 Hydraulic installation

7.4.1 Condensate and AAV discharge

Discharge the condensate and AAV relief via a tundish, directly into a drain. Only use

synthetic material for the connecting piping, because of the acidity (pH 2 - 5) and allow

a min. of 30 mm per M to ensure a good flow rate. Fill the siphon with clean water

before firing the boiler. It is not advisable to discharge into an outside gutter, because

of the risk of freezing.

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REMEHA Quinta 85 Technical Information Page 36