Hydronic Connections; Hydraulic Connection To The Exchange Coils; Water Coils - Casals QUANTICA EEC Manual De Instalación, Operación Y Mantenimiento

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13.7 Hydronic connections

All connections should be made with the best available current workmanship practice according to the indicated dimensions

of inlet and outlet diameters.

Outlet connections should be complete with water traps and their height calculated on the basis of the maximum negative

pressure existing at the drainage point. A semplified method is to assume this value equal to the total fan pressure and calcu-

late trap dimension as indicated in the picture below.

S1 = Ht / 10 + 35

S1 - S2 = minimum height, mm, as indicated

Ht = total fan pressure, Pa, as indicated in the "TECHNICAL SCHEDULE"

The lack of a siphon may affect the proper operation of the unit.

It is advisable to provide a siphon for EVERY SINGLE DRAIN. We also recommend that separated drains are NOT

connected with each other, before or after the siphon/s, but are left independent.

The following requirements for water connections are also applicable for coils with other fluid, such as glicole solutions, dia-

thermal oil, etc. The following minimal requirements are recommended for any type of installations.

a) Provide appropriate supports for external circuit and thermal expansion joints with vibration isolators; avoid to load coil

connections.

b) Position water pipes and water circuit devices not to impede coil slide out, inspection panel openings and access to any

unit sections.

c) Avoid damages to coil connection solderings by fastening mechanical connections with care without applying any torsions

to the same especially when the exchangers are small.

S2 = Ht / 10 x 0,75

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