Immergas VICTRIX TERA 24 PLUS Instruction Booklet And Warning page 35

Id
Parameter
Parameter
A0 Hydraulic model De nes the type of hydraulics in the boiler (0 = instant; 1 = storage tank)
Maximum pump De nes the maximum operating speed of the circulator
A1
speed (If A1 = A2 circulator operating at set speed)
Minimum pump
A2 De nes the minimum operating speed of the circulator
speed
Sets the pump operating mode
Pump operating
- DELTA T = 0: proportional head (see Parag. 1.28)
A3
mode
- DELTA T = 5 ÷ 25 K: ∆T constant (see Parag. 1.28)
Establishes the temperature to be added to the DHW set-point to calculate
Storage tank ow
A4 the ow set to heat the storage tank (only useful with a coupled storage tank
o set
and parameter A0=1).
Temperature value to be subtracted from the DHW set-point to calculate the
Storage tank
A5 boiler ignition to heat the storage tank (only useful with a coupled storage
activation o set
tank and parameter A0=1).
Establishes the switch-o method in DHW mode.
0 Fixed: the switch-o temperature is xed at the maximum value regardless
A6 DHW thermostat
1 Correlated: the boiler switches o according to the temperature set.
Id
Parameter
Parameter
DHW minimum
S0 De nes the operating speed of the fan at minimum DHW output
no. of fan revs
DHW maximum
S1 De nes the operating speed of the fan at maximum DHW output
no. of fan revs
Ignition phase
S2 De nes the operating speed of the fan during the ignition phase
no. of fan revs
Attention: check the serial number on the boiler.
From number 7211394 use the data in the following table.
Id
Parameter
Parameter
DHW minimum
S0 De nes the operating speed of the fan at minimum DHW output
no. of fan revs
DHW maximum
S1 De nes the operating speed of the fan at maximum DHW output
no. of fan revs
Ignition phase
S2 De nes the operating speed of the fan during the ignition phase
no. of fan revs
Description
of the value set on the control panel.
Description
Description
35
Customised
Range Default
value
0 ÷ 1 0
A2 - 9 9
1 - A1 6
0 ÷ 25 15
5 ÷ 50 °C 25
0 ÷ 15 °C 3
0 ÷ 1 0
Customised
Range Default
value
20 ÷ 60 28 (G20)
(x 50 =RPM) 27 (G31)
S0 ÷ 140 121 (G20)
(x 50 =RPM) 115 (G31)
40 ÷ 80 56 (G20)
(x 50 =RPM) 56 (G31)
Customised
Range Default
value
20 ÷ 60 27 (G20)
(x 50 =RPM) 26 (G31)
S0 ÷ 140 121 (G20)
(x 50 =RPM) 115 (G31)
40 ÷ 80 56 (G20)
(x 50 =RPM) 56 (G31)