Electrical Connection; Introduction; Preparation - State Water Heaters SCE 80-115 Installation, User And Service Manual

is
3.10 Electrical
connection
3.10.1
3.10.2
Table 3.8 Electrical connection block SCE
Mains voltage Flue gas
protection
A
L N L
1 2
1 2 3 4
Release R.2.0 Uk
3. Connect the connector from the flue gas thermostat f to the connector on
the appliance g.
Warning
The installation should be carried out by an approved installer in compliance
with the general and local regulations imposed by the gas, water and power
supply companies and the fire service.
Refer also to paragraph

Introduction

Topics covered in this paragraph:
• 3.10.2

Preparation;

• 3.10.3 Mains voltage;
• 3.10.4 Week timer circuit
• 3.10.5 Connecting extra error signal ('Alarm OUT')
Preparation
c Caution
The appliance is phase-sensitive. It is absolutely essential to connect the
phase (L) from the mains to the phase of the appliance, and the neutral (N)
of the mains to the neutral of the appliance.
There should also be no potential difference present between neutral (N)
A
and earth ( ). If this is the case, then an isolating transformer must be
applied in the supply circuit. For more information, or to order this isolating
transformer, please contact State.
Figure 3.5 shows a front view of the electrical connection block.
shows the associated connections.
Week timer circuit
L N N L
3
5 6 7 8
'1.3 Regulations'.
Un-
used
L L L -
9 10 11 12

Electrical connection

Table 3.8
Potential free
contact
NO P NC
13 14 15
31