Technical data

9
Fig. 6: Typical installation - schematic
Fig. 7: Electrical connections (schematic)
ELECTRICAL CONNECTIONS
EXPANSION
VESSEL
T&P RELIEF
VALVE
TO HOT
OUTLETS
MAINS
WATER
SUPPLY
ISOLATING
VALVE (NOT
SUPPLIED)
TUNDISH
DISCHARGE
PIPE
DRAIN COCK
(NOT SUPPLIED)
PRIMARY
RETURN
PRIMARY
FLOW
ELEMENT /
CONTROLS
HOUSING
INLET
SECONDARY RETURN
TAPPING (IF REQUIRED)
NOT SUPPLIED
COLD WATER
COMBINATION
VALVE
(2-PIECE)
BALANCED
COLD WATER
CONNECTION
(IF REQUIRED)
1
2
GREEN/
YELLOW
13 AMP MAINS
SUPPLY. 1.5mm
2
MIN. CABLE SIZE
TO INDIRECT SYSTEM
CONTROLS JUNCTION
BOX - SEE FIGS. 8/9
GREEN/
YELLOW
BROWN
BLUE
3
DIRECT
THERMOSTAT
B
A
1
1
2
2
3
INDIRECT
THERMOSTAT
INDIRECT THERMAL
CUT-OUT
TERMINAL
BLOCK