Ferroli OPERA Serie Instrucciones De Uso página 154

Legend
72 1st zone (direct) room thermostat
130 Hot water tank circulating pump
138 External probe
155 Hot water tank probe
298 Cascade temperature sensor
300M MASTER boiler motorized butterfly valve
A = OPENING PHASE
B = NEUTRAL
C = CLOSING PHASE
300S SLAVE boiler motorized butterfly valve
A = OPENING PHASE
B = NEUTRAL
C = CLOSING PHASE
I* ISPESL safety devices (when required - not supplied)
To manage the sliding temperature it is necessary to purchase the external probe accessory code 013018X0
If a hot water tank probe (not supplied) is used, it is necessary to purchase the NTC probe accessory code 1KWMA11W (2 mt.) or
code 043005X0 (5 mt.)
If a hot water tank thermostat (not supplied) is used, it is necessary to purchase the accessory kit code 013017X0 (to be connec-
ted in place of the Hot Water Tank Probe)
If a cascade probe (not supplied) is used, it is necessary to purchase the accessory NTC probe code 1KWMA11W (2 mt.) or code
043005X0 (5 mt.)
Parameters
Each system requires a different parameterisation. Follow the access procedure given below, for the MASTER as well
as SLAVE boilers.
"Service Menu"
Check/Change parameter P02 of the "Transparent Parameters Menu" to 8. (for models 70, 125 and 320) and to 5 (for
model 220)
Check/Change parameter b08 of the "Transparent Parameters Menu" to 3.
"System Type Menu"
Change parameter P.02 of the "System Type Menu" to 1.
Change parameter P.09 of the "System Type Menu" to 1.
154
306
b
M
R
cod. 3541R960 - Rev. 00 - 09/2019
1st zone (direct) circulating pump
a 1st zone (direct)
Hot water tank circuit
Delivery
Return
OPERA
EN