State Water Heaters SCE 65-400, Installation, User And Service Manual

Page: 51 / 72

Introduction
Release R.1.0 Uk 51
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6 Status of the
appliance
6.1 Introduction
The following will be examined in turn in this chapter:
•
6.2 Operating states ;
• 6.3 Power Anode Status ;
• 6.4 Fault states .
6.2 Operating states
During operation the appliance has three basic operating states, namely:
•
DISCONNECTED
In this state the appliance is off and all components are voltage-free. The
main switch (switch between the appliance and the power supply) is set to
off. On the control panel:
-
the I/0/II switch is set to the 0 position ;
- the green LED is off.
• WEEKLY PROGRAM (optional)
In this position the appliance only meets the heat demand during the set
periods. Outside these periods only frost protection is active.
On the control panel:
-
If the I/0/II switch is set to the II position;
- The water temperature can be set by turning the rotary knob on the
control thermostat, see paragraph
5.5 Control thermostat .
- The period during which the heat demand must be met can be
programmed using the week timer, see paragraph
5.7 Week timer
switching .
- If the green LED is illuminated.
n
Remark
If no week timer is installed, the 'II' state is the same as the '0' state.
• OFF
Frost protection is active in this state. The main switch is set to position I. On
the control panel:
-
if the I/0/II switch is set to the 0 position ;
- the green LED is illuminated.
• ON
In this state the appliance continuously meets the heat demand. On the
control panel:
-
if the I/0/II switch is set to the I position ;
- the water temperature can be set by turning the rotary knob on the
control thermostat, see paragraph
’5.5 Control thermostat’ ;
- the green LED is illuminated.
6.3 Power Anode Status
If the appliance is fitted with a Power Anode, there is an extra indicator light on
the operating panel. Depending on the status of the appliance, this light will be
Green, Red or is Off:
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