Ferroli OPERA Serie Instrucciones De Uso página 148

Legend
32 Heating circulating pump
72 1st zone (direct) room thermostat
138 External probe
155 Hot water tank probe
348 3-way valve (3-wire)
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)
- Parameters
Each system requires a different parameterisation. Follow the access procedure given below.
"Service Menu"
Check/change parameter b02 of the "Transparent Parameters Menu" to 9 (for models 70, 125 and 320) and to 6 (for
model 220).
- Optional features
In addition to the electrical connections of the previous figure (necessary for this system configuration) there are options
that do not require settings.
148
J2 J1
fig. 43
cod. 3541R960 - Rev. 00 - 09/2019
a 1st zone (direct)
b Hot water tank circuit
M Delivery
R Return
J3
OPERA
EN