A.O. Smith 28 30 50 60, Installation & Service Manual

Page: 49 / 96

Introduction
Release R.1.3 UK 49
gis
7 Starting up and
shutting down
7.1 Introduction
Topics covered in this chapter:
•
Starting up .
• Shutting down .
7.2 Starting up
Start-up the appliance as follows:
1. Fill the appliance. See chapter
’4 Filling and draining’
2. Open the gas valve (see ’Figure 4.1 Installation diagrams’ ).
3. Switch on the power to the appliance using the mains switch between the
appliance and the power supply.
4. Turn the ThermoControl ON by setting ON/OFF switch to position I .
The display will now show
INTERNAL CHECK
for about 10 seconds, then
go to the main menu.
5. Activate the “ON mode” by going through the following steps:
- Press once on the DOWN button (
L
) to position the cursor (
»
) beside
ON
, then press
E
. The display shown in figure Figure 7.4 will
appear.
- Confirm with
E
the option
START OPERATION
.
The appliance will now enter “ON mode”. If there is a heat demand, the
appliance will run through a heating cycle. See paragraph
’7.4 The
appliance’s heating cycle’ .
If the heating cycle is not run, then there is no current heat demand;
should this happen, then T
set
will probably need to be set. This is
described in paragraph ’8.4 Setting the water temperature’
7.3 Shutting down
You can:
•
Shut the appliance down for a brief period (“OFF mode”) .
• Disconnect the appliance from the mains .
Figure 7.1 ThermoControl
I
0
INTERNAL CHECK
Figure 7.2 Internal check
MENU
»OFF
^ ON
È WEEK PROGRAM
Figure 7.3 Main menu
»START OPERATION
^ CHANGE SETPOINT
È Tset=65ÉC
Figure 7.4 Starting up
gis