Intergas Heating Ltd
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9.3 Setting and adjusting the clock functions
9.3.1 Setting the clock
•
Press the button for less than 1 second and repeat this untill ‘’24hr clock’’
appears. For adjusting the clock to the correct time press the [+] or [-] button.
Note: Holding the button for more than 1 second will make the clock run fast.
9.3.2 Setting the timer function
•
On pressing the button for more than 2 seconds the clock display will flash.
•
The time for each on/off shows in the clock display and the service display shows
which on 1 and 3 OR off 2 and 4 time is being set.
•
Pressing the button again will change between the different on/off switching
periods.
The pre-set times are as follows:
Display : [06:00] and [1] Start first period CH on.
[09:00] and [2] End first period CH off.
[16:00] and [3] Start second period CH on.
[22:00] and [4] End second period CH off.
•
By pressing the button the new times will be stored in the boiler controller.
In the service display [P] appears.
•
When the clock is in period [1] or [3] (CH ON) the clock symbol LED is on.
•
When the clock is in period [2] or [4] (CH not active) the LED is on.
•
By pressing the button over 5 seconds the default setting for the switch moments
will be restored.
In the service display “F-set” appears.
•
By pressing the button the boiler controller will return to the normal situation
without storing any changes.
9.4 Additional functions
•
Pressing the button for less than 1 second the following additional functions can
be activated:
- t-on (temporary on).
The boiler will respond on every CH demand from the room thermostat until the
next switch moment.
- c-on (continuous on).
The boiler will respond on every CH demand from the room thermostat without
any time limit.
- OFF
The boiler will not respond on any CH demand from the room thermostat.
9.5 Shutting down
CAUTION
Drain the appliance and the installation if mains power has
been interrupted and there is a possibility of freezing.
1. Drain the appliance at the drain tap.
2. Drain the installation at the lowest point.
3. Close the main cock for the water supply to the DHW section.
4. Drain the appliance by removing the DHW couplings below the appliance.
9.5.1 Frost protection
•
To avoid freezing of the condensate drain pipe the appliance must be installed in a
frost-free area.
•
To avoid freezing of the appliance it is equipped with frost protection. If the
temperature of the heat exchanger becomes too low, the burner switches on until
the temperature of the heat exchanger is sufficient. If there is a possibility of the
installation (or part of it) freezing, an (external) frost thermostat must be installed at
the coldest point of the return pipe. This must be connected in accordance with the
wiring diagram (See chapter 13).
Note
If an (external) frost thermostat has been fittted to the installation and connected to the
appliance, this will not be active when the appliance is switched off at the operating
panel (
-
on service display).
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