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DTG(E)130 - 35/45/65/90/115 Eco.NOxPlus 15/02/2011 - 300014279-001-J

3. Description

3.8 Hydraulic specifications

Depending on the flow, the following diagrams represent:

- the manometric heights of the heating circulator pumps (delivered

from the factory for DTGE130-35 or, optionally, for DTG130-45,

DTG130-65,DTG130-90 and DTG130-115)

- loss of load in the boiler.

For a fixed flow, the manometric height available at the boiler outlet

is obtained by taking the difference between the manometric height

of the circulator pump and the loss of load in the boiler.

ALPHA 2 L 25-60 electronic heating pump (Pump class A):

- Delivered as standard for DTGE130-35 - Optional for DTG130-45 (Package HC142).

Press the 1 button on the pump to modify its performance

0,0 0,5 1,0 1,5 2,0 2,5 3,0

C003401-B

0,0 0,5 1,0 1,5 2,0 2,5 3,0

L000130-A

A Rated net head (mWG)

Flow rate (m

/h)

C Maximum proportional pressure The pump's operating point can be moved on the maximum proportional pressure curve according to the

heating requirement.

If the heating requirement increases, the pressure increases.

D Minimum proportional pressure The pump's operating point can be moved on the minimum proportional pressure curve according to the

heating requirement.

If the heating requirement increases, the pressure increases.

E Maximum constant pressure The pump's operating point can be moved on the maximum constant pressure curve according to the heating

requirement.

The pressure remains constant, regardless of the heating requirement.

F Minimum constant pressure The pump's operating point can be moved on the minimum constant pressure curve according to the heating

requirement.

The pressure remains constant, regardless of the heating requirement.

G Boiler pressure drop

III Speed III The pump runs at a constant speed and therefore according to a constant curve.

The pump is set to run according to the maximum curve.

The pump can be quickly vented by selecting speed III for a short period.

II Speed II The pump runs at a constant speed and therefore according to a constant curve.

The pump is set to run according to the average curve.

I Speed I The pump runs at a constant speed and therefore according to a constant curve.

The pump is set to run according to the minimum curve.

C003399-B

AUTO

POWER

CD E

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 91 92

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