Bosch Worcester Danesmoor Utility Regular ErP+ 12/18 Installation, Commissioning And Servicing Instruction Manual page 34

Installation
Utility System - 230V Standard wiring diagram
Fig. 58
34
F
Green/Yellow
B
Grey
C
E
Grey
Brow
Brown
Green/Yellow
G
2
3
Red
H
L3 N
J
Riello control box
1 2 3
Key to components:
A - EARTH STUD
B - HIGH LIMIT THERMOSTAT
C - AIR PRESSURE SWITCH
D - BOILER MANUAL RESET OVERHEAT
THERMOSTAT
E - FLUE MANUAL RESET OVERHEAT
THERMOSTAT
F - TERMINAL CONNECTOR BLOCK
G - CONTROL THERMOSTAT
H - BURNER SOCKET
J - BURNER PLUG
K - BURNER CONTROL BOX
L - CIRCULATING PUMP
L1 L2
Green/Yellow
Red
Black
Gre
M
N L
Greenstar Danesmoor Utility ErP+ and Utility System
= EARTH
= LIVE
= NEUTRAL
L
L
N
ErP+ - 6 720 821 720 (2018/04)