Manual

T
E
M
P
E
R
A
T
U
R
E
/
T
E
M
P
É
R
A
T
U
R
E
P
R
E
S
S
U
R
E
/
P
R
E
S
S
I
O
N
AIR
PURGER
BLEEDING VALVE
SHUT-OFF
VALVE
ELECTRIC
BOILER
TEMPERATURE /
PRESSURE GAUGE
SUPPLY TO
RADIATORS
RETURN FROM
RADIATORS
WATER FEED
EXPANSION
TANK
MAINTENANCE
VALVE
DUAL-ENERGY
CONTROLLER
SAFETY VALVE
POWER SUPPLY
ROOM THERMOSTAT
MAINTENANCE
VALVE
MAINTENANCE
VALVE
MAINTENANCE
VALVE
BURNER
DRAIN OR
PURGE VALVE
PRESSURE
REDUCING VALVE
OIL / GAS
BOILER
PUMP
CONTROL
DUAL-ENERGY SERIES INSTALLATION
(Illustration B)
OUTDOOR RESET
SENSOR
CIRCULATING PUMP
DRAIN
CONNECTION
AUTOMATIC
AIR VENT
LOAD
MANAGEMENT
CONTROL
WATER
FLOW