Installation
Greenstar Utility
ErP -
6 720 821 751 (2018/04)
27
Fig. 36
230V STANDARD WIRING DIAGRAM
Fig. 37
Key to components:
[A]
Terminal connector block
[B]
Earth connector
[C]
Flue thermostat (manual reset)
[D]
Heating thermostat (manual reset)
[E]
Heating thermostat (automatic reset)
[F]
Air pressure switch (manual reset)
[G]
Control thermostat
[H]
Burner socket
[J]
Burner plug
[K]
Burner control box
PRE-WIRED REMOTE 2 OR 3 PORT VALVE CONTROL SETS:
Fig. 38
Key to components:
[A]
Double pole switched fused spur, positioned in the boiler room
next to the appliance.
[B]
Remote junction box (10 way) to connect the following:
– Mains wiring 230V 50Hz.
– Hot water tank thermostat
– Room thermostat
– System water valves
– Circulating pump
– External programmer
[C]
Appliance control box terminal connector block
Remote junction box [A] requirements
▶ This must be a terminal block type, current rated to at least 5 amps.
▶ A 5 amp fuse must be fitted to the mains supply.
▶ The junction box [A] must be fitted externally to the appliance.
A frost thermostat can also be connected to the remote junction box if
required.
6720821751-30.1W
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J
H
6720821751-19.1
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F
G
Grey
Brown
Red
Red
Black
Creen/Y
ellow
Blue
Brown
Brown
Green/Yellow
Green/Y
ellow
Brown
Blue
3
N E
2
1
RESET
J
K
RIELLO CONTROL BOX
3
N E
2
1
6720821751-20.1
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