Set Appliance State:
CH Demand
Boiler CH thermostat to MAX
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the central heating system to reach full operating temperature.
Does the system pressure remain stable or does it rise excessively?
Note:
1. To change the display to show current pressure as a figure instead of a graduated bar press the top right hand display button twice.
(3 times if the display is in sleep mode i.e. backlit not illuminated blue)
2. There is also a manual pressure gauge inside the appliance located to the right hand side of the pump assembly.
Does the system pressure remain stable or does it rise excessively?
Note:
1. To change the display to show current pressure as a figure instead of a graduated bar press the top right hand display button twice.
(3 times if the display is in sleep mode i.e. backlit not illuminated blue)
2. There is also a manual pressure gauge inside the appliance located to the right hand side of the pump assembly.
 pressure guage.gif)
Isolate as per TOPs P4
and refit as necessary