Checking the supply pressure and burner pressure – A.O. Smith ADM - 80 User Manual
Page 28
Installation
28
Instruction manual ADM
3
is
The connector block (C) is now visible.
Note
Please consult
(14.2 "Electrical Diagrams ADM")
the appropriate electrical
diagram for details of the connections of the electrical components.
Terminal block
3.10.2
Connecting the mains power
The appliance is supplied without a power cable and isolator.
Note
In order to receive electrical power, the appliance has to be connected to the
mains power by means of a permanent electrical connection. A double-pole
isolator with a contact gap of at least 3 mm must be fitted between this
permanent connection and the appliance. The power cable must have cores of
at least 3 x 1.0 mm
2
.
Warning
Leave the appliance isolated until you are ready to start it up.
1. Feed the power cable through the metric strain relief to the top side of the
control column.
2. Connect the earth ( ), live (L
1
) and neutral (N) of the power cable to
terminals 1 through 3 in the connector block as stated in the table.
3. Turn the strain relief tight to clamp the lead.
4. If you do not need to make any more connections, fit the protective cover
onto the control column.
5. Connect the power cable to the isolator.
3.11 Checking the supply
pressure and burner
pressure
Note
Before starting the appliance and/or checking the supply pressure and
burner pressure, you must fill
the appliance.
Caution
Before starting up for the first time or after conversion, you must always
check the supply pressure and burner pressure.
Note
The easiest way to check the gas pressures is by using two pressure
gauges. This procedure assumes that these two gauges are available.
Mains voltage
Flue Gas Thermostat
Unused
L
1
N
L
2
L
3
-
1
2
3
4
5
6