Indicates the range of supply voltage found. It may have the values: [110-127] V or [220-240] V. If the range is not determined, it has the value "- -".

5.4.10 - TE: Dissipator temperature display

5.5 - Installer Menu

From the main menu, hold down simultaneously the "MODE" and "SET" and "˅" keys until the first parameter of the installer menu appears on the

display (or use the selection menu pressing ˄ or ˅). The menu allows you to view and modify various configuration parameters: the MODE key

allows you to scroll through the menu pages, the ˄ and ˅ keys allow you respectively to increase and decrease the value of the parameter

concerned. Press SET to leave this menu and return to the main menu.

5.5.1 - RP: Setting the pressure fall to restart

Expresses the fall in pressure with respect to the SP value which causes. Restarting of the pump.

For example if the setpoint pressure is 3.0 [bar] and RP è 0.5 [bar] the pump will restart at 2.5 [bar]. RP can be set from a minimum of 0.1 to a

maximum of 1 [bar]. In particular conditions (for example in the case of a setpoint lower than the RP) it may be limited automatically. To assist

the user, on the RP setting page the actual restarting pressure also appears highlighted under the RP symbol, see Fig. 18.1-18.2.

Figure 18.1: Setting the restart pressure

5.5.2 - OD: Type of plant

Possible values 1 and 2 referring to a rigid system and an elastic system.

The device leaves the factory with mode 1 suitable for the majority of systems. In the presence of swings in pressure that cannot be stabilised by

adjusting the parameters GI and GP, change to mode 2.

IMPORTANT: The regulating parameters GP and GI also change in the two configurations. In addition the GP and GI values set in mode 1 are

stored in a different memory from the GP and GI values set in mode 2. So, for example, when passing to mode 2, the GB value of mode 1 is

replaced by the GB value of mode 2 but it is kept and will reappear again when returning to mode 1. The same value shown on the display has a

different weight in one mode or in the other because the control algorithm is different.

5.5.3 - MS: Measuring system

Set the measuring system, choosing between metric and Anglo-American units. The quantities displayed are shown in Table 13.

NOTE: The flow in Anglo-American units (gal/min) is indicated adopting a conversion factor of 1 gal = 4.0 litres, corresponding to the metric gallon.

Parameters available only in the DUAL VOLTAGE version (supply voltage 230 V / 115 V)

Applicable to firmware versions ≤ 4.x.x

(2)

(3)

Applicable to firmware releases ≥ 4.3.x with integrated connectivity

(4)

Applicable to firmware releases ≥ 4.4.x with integrated connectivity and Multiple Groups functions

(2)

Quantity

Pressure

Temperature

Flow rate

Table 13 Measuring system

ENGLISH

Figure 18.2: Setting the restart pressure

Units of measurement displayed

Metric units

Bar

°C

l/min

Anglo-American units

psi

°F

gal/min

(3) (4)

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