Heating Installation With External Boiler And 4 Zones; Controlled By Mixing Valve, Pump And Floor Installation (I5) - Sime RVA 47.320 Manual Del Usuario

3.4.5 Parameter setting
For the regulator to be able to recognize this installation you need to
set the following parameters as shown in the table.
Installation ID
– Setting mode = INSTALLER
(please refer to the "Parameter setting levels" paragraph)
Par Description
121 D.H.W. program
127 D.H.W. priority
140 LPB address
148 Timer
170 H1 input management
173 Function of contact connected to H1
NOTE: In the case of non-condensation boilers, the return tempera-
ture must be raised in order to avoid the problems related to the flue
gas condensate. To do so, the OEM 22 parameter must be modified.
– Setting mode = MANUFACTURER
(please refer to the "Parameter setting levels" paragraph)
Par Description
22 Min. limit of cascade return temperature
44 Protection from cooling down D.H.W. accumulation 2
3.4.6 Verifying the correct recognizing
To make sure the regulator has correctly recognized the installation on
3.5. 1 Sequence management of up to 4 boilers for heating with external boiler and zone valves
Hydraulic circuit
PPS BUS
BOILER 1 BOILER 2
CALDAIA 1 CALDAIA 2
KEY
SM Cascade delivery feeler (QAD21)
SE External temperature feeler (QAC31)
SB Feeler of external boiler (QAZ21)
SI Hydraulic separator
SR Cascade return feeler (QAD21)
IP Floor installation
44
Default Setup RVA :
values Master
1 2
1 0
1 1
3 3
0 1
1 0
Default values
8
LPB BUS
SE
RVA
47.320
C1
M
BOILER 3 BOILER 4
CALDAIA 3 CALDAIA 4
SR
UA Zone room units (QAA 70)
2-3-4
PZ Zone pumps
1-2-3-4
PB Boiler pump
SZ Zone feeler (QAD 21/QAZ 21)
VM Three-way mixing valve
TMAX Overtemperature thermostat
the basis of the input parameters, display the "Installatore" parameter
on line 53. Installation n° 35 must appear.
3.5 HEATING INSTALLATION WITH EXTERNAL
BOILER AND 4 ZONES CONTROLLED
BY MIXING VALVE, PUMP AND
FLOOR INSTALLATION (I5).
Characteristics in outline:
– Management of various zones through mixing valves, pumps and
Slave
zone feelers
-
– Self-adjusting to the heat requirements.
-
– Automatic Summer/Winter switching.
2
– 7-day heating program option.
1
– 7-day programming option for sanitary hot water..
-
-
The components of the kit to be used are:
Code Description
RVA 47.320 Central unit for controlling boiler cascade
QAC31 External temperature feeler
QAD21 Feelers for delivery/return temperature of cascade
QAZ21 Boiler temperature feeler
Setup
–– "Albatros" jumper for configuration
20
–– 4 stickers for boiler numbering (kit)
1
–– 4 configuration resistors (kit)
NOTE: The three RVA 46.531 zone regulators, the 4 QAA 70 room units
and the QAD 21/QAZ 21 zone feelers must be purchased separately.
PB
PZ1
SM
SI
SB
R
BOLLITORE
D.H.W. TANK
(separato)
(Separated)
UA2 UA3
RVA RVA
46.531 46.531
C2
C2
VM
VM
PZ4
PZ3
PZ2
SZ
C1 RVA 47.320 regulator
C2 RVA 46.531 regulator
(*) For the RVA 46.531 regulators and the
QAA 70 room unit, please refer to the rele-
vant manual.
Quantity up to
4 boilers 6 boilers
1 2
1 1
2 2
1 1
4 6
1 2
1 2
UA4
RVA
46.531
C2
TMAX
SZ
IP