pag. 26
CR / TA
SI
SE
CR
T
A
CR
SE
SE
Togliere
il ponte
TA
SE
SE
TA
15
EXAMPLES OF INSTALLATION
SE
CR / TA
OPTIMA CB
AND
SB
MOD
.
SE
= external probe
CR / TA = QAA73 programmer / room thermostat
SI
= high-temp. safety therostat for floor heating
SINGLE HEATING CIRCUIT CONNECTION WITH AMBIENT THERMOSTAT OR QAA73 PROGRAMMER
fig. 15-1
WITH ROOM THERMOSTAT
WITH QAA73 PROGRAMMER
SE
CR / TA
YD
TB
M
SE
YD
TB
M
CR / TA
SI
OPTIMA SB
MOD
.
SE
= External probe
CR/TA = QAA73 programmer / room thermostat
YD
= 3-way valve for hot water production
TB
= Domestic hot water tank temperature probe
SI
= high-temp. safety therostat for floor heating
SINGLE HEATING CIRCUIT CONNECTION WITH ROOM THERMOSTAT OR QAA73 PROGRAMMER AND AN
EXTERNAL TANK FOR DOMESTIC HOT WATER PRODUCTION
fig. 15-2
WITH ROOM THERMOSTAT
WITH QAA73 PROGRAMMER
CR
T
A
CR
SE
SE
Togliere
il ponte
TB
TB
SE
TB
SE
TA
TA
TB
Remove
link
Remove
link
terminal board
(see para. 5)
terminal board
(see para. 5)
terminal board
(see para. 5)
terminal board
(see para. 5)
Summary of Contents for OPTIMA 28 CB
Page 1: ...OPTIMA 28 CB AND 28 SB WALL MOUNTED GAS BOILERS INSTALLATION INSTRUCTIONS...
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