Italtherm CITY CLASS 20 F, Руководство по обслуживанию, Страница: 24 / 32

Green Heating Technology
24 SERVICE
Manual City Class F-FR
Param. Description Range
Fact.
settings Note
F FR 01
Type Gas 0 ÷ 1 0
0 : G20
1 : G31
F FR 02
CH Temperature Range 0 ÷ 1 0
0 : Standard Range 35 ÷ 80 °C
1 : Reduced Range 20 ÷ 45 °C
F FR 03
Slow Ignition Fan Revolution 0 ÷ 80
kind of
boiler
80% of Max
F FR 04
Max CH power inlet 00 ÷ 100 100
Percentage of Max CH Power inlet available
F FR 05
Pump mode on CH demand 0 ÷ 2 0
0 : Standard functioning (post circulation)
1 : Pomp always ON
2 : Pomp always OFF
F FR 06
Delay of re-ignition in CH demand 0 ÷ 15 3 Value in minutes
F FR 07
Bleeding Plant function 0 ÷ 3 0
0 : Disabled
1 : Bleeding plant CH side
2 : Bleeding plant DHW side
3 : Bleeding plant both CH and sides
F 08
ON/OFF Temperature on DHW demand 1 ÷ 2 1
1 : (Fixed) OFF= 75°C , ON = 65°C
2 : (SET point) OFF = 3° ; ON = DHW-
Set + 2°
F FR 09
Timing to reach the max power in CH demand 20 ÷ 120 25 Time in Seconds
F FR 10
Timing to reach the maximum power on CH
demand after OFF for high temperature
0 ÷ 1 0
0 : Disabled Function (normal working)
1 : Boiler forced to max power
F FR
12
Chimney Sweeper function 0 ÷ 1 0
0 : Disabled Function
1 : Boiler forced to max power
F FR 19
Delay of switching ON after CH demand 0 ÷ 5 0
Minutes.
Timing for boiler CH activation after receiving CH demand
F FR
20
Timing of pump functioning after CH demand 0 ÷ 240 30 Seconds. Post circulation after CH demand
F FR 21
Timing of pump functioning after DHW
demand
F 0÷3
FR 0÷240
3
180
Seconds. Post circulation after DHW demand
FR
23
Set temperature of tank
0
30 ÷ 60
0
0 : Settable by knob on control panel
30 ÷ 60 : temperature set by the technician and
not settable anymore by the user
F FR 24
DHW max Power inlet 0 ÷ 100 100 % of max DHW power inlet available
FR 25
ΔT for boiler ignition while tank demand 1 ÷ 10 3 ON burner for tank demand =SET – (PAR25)°C
FR 26
ΔT to get max Flow Temperature while tank
demand
5 ÷ 15 8
ΔT = SET Tank – T current
If ΔT > (PAR26); then T flow = max value
FR 27
ΔT to set the min value of the T flow on tank
preparation demand
5 ÷ 20 15 T flow min = SET Tank + (PAR27)°C
FR 28
Anti-legionella Function ON /OFF
0
50 ÷ 70
60
0 : Disabled Function
50 ÷ 70 :
temperature of water during this function
FR 29
Activation timing Anti Legionella, if not
reached temperature at PAR 28 before
1 ÷ 15 7 Days.
FR
30
Anti Legionella function timing at T= PAR 28 0 ÷ 30 1 Minutes.
F FR 39
Offset External Probe -5°÷ +5° 0
0 : - 5°C
5 : 0°C
10 : + 5°C
F FR
41
Min set CH temperature on TA1
20 ÷ 50
20 ÷ 35
0
Degrees
Standard Range: DEFAULT 35°C
Reduced Range : DEFAULT 20°C
F FR 42
OFF burner while CH demand 0 ÷ 10 5 Seconds OFF burner=CHset+ (PAR42)°C
F FR 43
ON burner while CH demand 0 ÷ 10 0 Seconds ON burner=CHset+ (PAR43)°C
FR 45
Timing for DHW demand priority
0/10
÷ 180
0
Seconds. time after which DHW demand is forced
OFF
Parameters
Standard Parameter for general uses
Suggested to not modify
F FR