Lochinvar CHA 100 CE, Installation, Commissioning, User & Maintenance Instructions

Page: 45 / 74

Instruction manual CHA 45
gis
7 The control panel
7.1 Introduction
Topics covered in this chapter, in sequence:
•
Control panel
• Explanation of icons
• On/off switch ;
• Control thermostat
• Burner control reset button
• Flue gas thermostat reset button ;
• Weekly timer circuit .
7.2 Control panel
This figure shows the control panel.
The control panel
The control panel comprises:
•
an ON/OFF switch (with positions I/0/II)
• a reset button
• a control thermostat with rotary knob
• two status LEDs;
• weekly timer (optional);
• Power Anode indicator LED (optional).
7.3 Explanation of icons
The table explains the meanings of the icons.
Icons and their meaning
7.4 On/off switch
Using the ON/OFF switch, set the appliance to the ON
mode (position 'I'), OFF mode (position '0'), or the
weekly program mode (position 'II'). See '
Operating
modes '.
The appliance remains live, even when in the OFF
mode. This ensures that the frost protection remains
activated.
Comment
To isolate the appliance electrically, you must use
the isolator between the appliance and the mains
power supply.
7.5 Control thermostat
Use the rotary knob on the control thermostat to set
the desired water temperature to between ±40°C and
±70°C. The knob rotates over a scale of 1 to 4. The
table shows the temperatures corresponding to each
position.
Temperature setting
Name Meaning
ON/OFF
switch
'ON' mode/'OFF' mode
Reset button Reset burner control
Temperature
control
Set water temperature
(Tset)
0063
RESET
4
3
1 2
IMD-0473 R1
1 Week timer Sets the weekly water
heating program
2 Power Anode
indicator LED
Shows the Power
Anode status
3 Error LED Burner control lockout
4 Voltage lamp Shows whether there is
voltage (power) for the
burner control
Position Temperature
1 approx. 40°C
2 approx. 50?
3 approx. 60?
4 approx. 70?
Name Meaning