10
912.807.1 - GB
INSTALLATION AND OPERATING MANUAL
0904_2306 / CR_0093
Figure 3 A: connectors and sizes of SIRIUS SAT RA
After completing the masonry work, hook the SIRIUS SAT module onto the casing/template and make the hydraulic con-
nections using the supplied telescopic connections (see figure 3).
Before fixing the module, drill holes in the rear wall for the Ø 10mm expansion grips (use the holes in the casing/template
as a guide). Then secure the module with the supplied screws.
5. MOUNTING THE APPLIANCE
Key
CONNECTIONS TO CENTRALISED PLANT
IP
: primary inlet from centralised plant G 3 ⁄ 4” M
UP
: primary outlet from centralised plant G 3 ⁄ 4” M
HEATING PLANT CONNECTIONS FOR SINGLE-ZONE MODELS
MR
: G 3/4” M heating plant delivery
RR
: G 3/4” M heating plant return
HEATING PLANT CONNECTIONS FOR DUAL-ZONE MODELS
MRAT
: high temperature plant delivery G 3 ⁄ 4” M (Models RA2Z)
MRBT
: low temperature plant delivery G 3 ⁄ 4” M (Models RA2Z)
RRAT
: high temperature plant return G 3 ⁄ 4” M (Models RA2Z)
RRBT
: low temperature plant return G 3 ⁄ 4” M (Models RA2Z)
CONNECTIONS TO STORAGE BOILER COIL CIRCUIT
USB
: Storage boiler coil outlet G 3 ⁄ 4 ” M
ISB
: Storage boiler coil inlet G 3 ⁄ 4 ” M
DOMESTIC WATER METER CONNECTIONS
ESC1
(*): domestic water inlet to meter G 3/4” M
ESC2
(*): domestic water outlet from meter G3/4’’ M
Figure 3 B: Connectors and sizes of SIRIUS SAT RA2Z
0904_2307 / CR_0094
fixing slots
D Casing 150
seats for screws
seats for screws
Supplied connector 30
Supplied connector 30
fixing slots
D Casing 150
H Casing 750
H Casing 650
L Casing 600
L Casing 800
