Description Of Param Eters: Factory Settings - UTICA BOILERS MAHF-75 Installation, Operation And Maintenance Manual

9 .1 6 Descript ion Of Pa ra m et ers: Fa ct ory Set t ings
D H W Fa st M odu la t ion
0 0 = St andard Modulat ion - on DHW call for heat 10 seconds st abilizat ion t im e before
P0 1
m odulat ion
0 1 = Fast Modulat ion- on DHW call for heat 5 seconds st abilizat ion t im e before m odulat ion
Ga s u se d
P0 2
0 0 = Gas A ( Nat ural Gas)
0 1 = Gas E ( LPG Gas)
Hydraulic syst em
0 0 = inst ant aneous appliance
0 3 = inst ant aneous appliance wit h pre- heat funct ion
0 4 = heat ing only appliance wit h DHW t herm ost at
P0 3
0 5 = appliance wit h ext ernal st orage indirect t ank
0 8 = heat ing only appliance
1 3 = inst ant aneous appliance wit h pre- heat funct ion for solar applicat ion
P0 9 Hydraulic Com ponent Set t ing
P1 3 Max. heat ing out put ( 0 - 1 0 0 % )
P1 4
DHW m ax. out put ( 0 - 1 0 0 % )
P1 5 Min. heat ing out put ( 0 - 1 0 0 % )
Maxim um CH set- point ( ° C)
0 0 = 176° F ( 80° C)
P1 6
0 1 = 113° F ( 45° C)
Se le ct a ble Ra n ge 2 0 - 8 0 = ( 2 0 ° C t o 8 0 ° C) 6 8 ° F t o 1 7 6 ° F
P1 7
Pum p overrun t im e in heat ing m ode ( 0 1 - 2 4 0 m in u t e s)
P1 8
Burner on delay wit h new call for heat ( 0 - 1 0 m in u t e s)
P2 0 Pum p overrun t im e in DHW m ode ( se con ds)
Ant i- legionellosis funct ion
P2 1 0 0 = Disabled -
0 1 = Enabled
Manufact urer inform at ion
P2 2
( set " 2 2 " t o display param et ers 4 2 a n d a bove )
P2 3
Maxim um DHW set- point t em perat ure 1 1 3 ° - 1 4 0 ° F ( 4 5 ° - 6 0 ° C) , D e fa u lt 4 9 = 1 2 0 ° F
P2 4
Manufact urer inform at ion
P2 6 ..P3 1
Manufact urer inform at ion
P3 2 ..P4 1 Diagnost ics ( See SERVI CE I nst ruct ions)
Tem perat ure unit set t ing
0 0 = ° C
P4 4
0 1 = ° F
OT/ RT ( Open Therm / Room Therm ost at ) select ion.
P6 7
2 = OT ( open t herm STD)
Pa r a m e t e r s con t in u e d on n e x t pa ge
9 - START U P PROCED U RE
5 5
FACTORY SETTI N GS
7 5 1 0 0 ,1 2 5 ,1 6 5 1 1 5 ,1 5 0 ,2 0 5
01
00
08
Default 01
73 100
100
00
00
03
03
30
00
00
49
35
- -
- -
01
02
240013503 REV A, [ 03/ 15/ 2022]
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