AristonThermoUK
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2 years ago
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COMBI A - Instruction Manual

  • Text
  • Wwwaristoncom
  • Manual
  • Instruction
  • Combi
  • Installation
  • Electrical
  • Display
  • Appliance
  • Valve
  • Heating
  • Boiler
  • Flue

18.3.6 Removing the

18.3.6 Removing the pressure relief valve 1. Carry out step 18.1.1 and 18.3.1; 2. Remove the clip securing the valve (see Fig. 95) and pull it toward you; 3. Reassemble in reverse order; take care to ensure the valve is in the correct position; 18.3.7 Removing the expansion vessel Fig. 95 1. Carry out step 18.3.1; 2. Isolate the gas supply and disconnect all pipe connections; 3. Remove the boiler from the wall 4. Unscrew the nut U (see Fig. 93); 5. Pull the expansion vessel to remove it (see Fig. 94); 6. Reassemble in reverse order. U Fig. 93 Fig. 94 18.3.8 Removing the overheat thermostat 1. Remove the casing as in step 18.1.1; 2. Pull off the thermostat connections. Then remove the thermostat from the pipe by releasing it’s securing clip (see Fig. 95). 18.3.9 Removing the temperature sensors (N.T.C’s) 1. Remove the casing as in step 18.1.1; 2. Pull off the NTC connections. Then remove the NTC from the pipe by releasing it’s securing clip (see Fig. 96). Fig. 95 Fig. 96 50

18.3.10 Removing the pressure gauge 18.3.11 Removing the pressure switch 1. Carry out steps 18.1.1 and 18.3.1; 2. Remove the pressure gauge by releasing the two clips V and pulling the pressure gauge out. (see Fig. 97) 1. Remove the casing as in step 18.1.1 and drain down as in step 18.3.1; 2. Pull off the connections. Then remove the pressure switch by releasing it’s securing clip (see Fig. 98). V Fig. 97 Fig. 98 18.4 Access to the Control System 18.4.1 Removing the P.C.B.s 1. Carry out steps 18.1.1 and 18.1.2; 2. Remove the screw W1 from the electrical box (see Fig. 99); 3. Release the three clips W2 and remove the electrical box cover (see Fig. 100); W1 W2 Fig. 99 Fig. 100 4. Remove the two screws W3 from the front control panel and lower the front control panel (see Fig. 101); 5. Remove all electrical connections from the display PCB (see Fig. 102); W3 Fig. 101 Fig. 102 51

INSTALLATION MANUALS

AristonThermoUK
Views
2 years ago
Flag

COMBI A - Instruction Manual

  • Text
  • Wwwaristoncom
  • Manual
  • Instruction
  • Combi
  • Installation
  • Electrical
  • Display
  • Appliance
  • Valve
  • Heating
  • Boiler
  • Flue

18.3.6 Removing the

18.3.6 Removing the pressure relief valve 1. Carry out step 18.1.1 and 18.3.1; 2. Remove the clip securing the valve (see Fig. 95) and pull it toward you; 3. Reassemble in reverse order; take care to ensure the valve is in the correct position; 18.3.7 Removing the expansion vessel Fig. 95 1. Carry out step 18.3.1; 2. Isolate the gas supply and disconnect all pipe connections; 3. Remove the boiler from the wall 4. Unscrew the nut U (see Fig. 93); 5. Pull the expansion vessel to remove it (see Fig. 94); 6. Reassemble in reverse order. U Fig. 93 Fig. 94 18.3.8 Removing the overheat thermostat 1. Remove the casing as in step 18.1.1; 2. Pull off the thermostat connections. Then remove the thermostat from the pipe by releasing it’s securing clip (see Fig. 95). 18.3.9 Removing the temperature sensors (N.T.C’s) 1. Remove the casing as in step 18.1.1; 2. Pull off the NTC connections. Then remove the NTC from the pipe by releasing it’s securing clip (see Fig. 96). Fig. 95 Fig. 96 50

18.3.10 Removing the pressure gauge 18.3.11 Removing the pressure switch 1. Carry out steps 18.1.1 and 18.3.1; 2. Remove the pressure gauge by releasing the two clips V and pulling the pressure gauge out. (see Fig. 97) 1. Remove the casing as in step 18.1.1 and drain down as in step 18.3.1; 2. Pull off the connections. Then remove the pressure switch by releasing it’s securing clip (see Fig. 98). V Fig. 97 Fig. 98 18.4 Access to the Control System 18.4.1 Removing the P.C.B.s 1. Carry out steps 18.1.1 and 18.1.2; 2. Remove the screw W1 from the electrical box (see Fig. 99); 3. Release the three clips W2 and remove the electrical box cover (see Fig. 100); W1 W2 Fig. 99 Fig. 100 4. Remove the two screws W3 from the front control panel and lower the front control panel (see Fig. 101); 5. Remove all electrical connections from the display PCB (see Fig. 102); W3 Fig. 101 Fig. 102 51

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