Potterton eurocondense four 125 kw, Installation, Operation And Maintanance Manual

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8.2.5 Adjusting domestic water mode
Switched on Domestic water is prepared according to the selected
switching programme.
Switched off Domestic water preparation has been de-activated.
Note
A setting between 50 and 60°C is recommended for domestic
water heating.
Times for domestic water heating are set in time program 4 /
DHW.
For reasons of convenience, domestic water heating should
start approx. 1 h before central heating commences.
Note
Legionella function
Once a week every Sunday, the legionella function is activated;
this means the domestic water is heated up to 65 °C once in order
to eliminate any legionella bacteria in the water.
8.2.6 Adjusting comfortable room setpoint
How to adjust the comfortable room setpoint is described here.
1. Set the comfort setpoint using the control knob.
=> The value is taken over automatically.
8.2.7 Setting reduced room setpoint
How to set the reduced room setpoint is described here.
1. Press OK.
2. Select the Central heating menu item.
3. Press OK.
4. Select the Reduced temp setpoint parameter.
5. Press OK.
6. Set the reduced setpoint at the control knob.
7. Press OK.
8. Leave the programming level by pressing the operating mode key
for heating mode.
8.2.8 Emergency mode (Manual control)
If the manual control function is activated the boiler is controlled to the set­
point manual control. All the pumps are switched on. Additional requests
e.g. for heating domestic water are ignored.
Activating emergency operation
1. Press OK.
2. Request the menu item Maintenance.
3. Press OK.
4. Request the parameter Manual control (prog. no. 7140).
5. Press OK.
6. Select the parameter On.
7. Press OK.
8. Leave the programming level by pressing the operating mode key
for heating mode.
Adjusting setpoint for emergency operation
Using the operation mode "manual operation" you can choose a nominal
temperature value for it:
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8 Operation
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