
47
Installation and Servicing
SECTION 3 - SERVICING
1.
Refer to Section 3.8.
2.
Swing the boiler lower front panel into the service
position. Refer to Section 3.2.
3.
Remove the 4 fixing screws.
4.
Disconnect the 4 push on connectors.
5.
Remove programmer, earth cable and cover.
6.
Re-fit 4 push on connectors to new programmer.
7.
Fit programmer and retain with 4 screws previously
removed.
8.
Replace the lower front panel.
9.
Check operation of the boiler. Refer to Sections
2.24 & 2.25.
Note.
To program refer to user guide at rear of this
book.
3.18 REPLACING THE MECHANICAL TIMER
3.19 DRAINING THE BOILER
DOMESTIC HOT WATER CIRCUIT
1.
Refer to Section 3.8.
2.
Close the DHW water isolating valve on the boiler inlet.
3.
To drain the domestic hot water circuit: As there is no direct drain for the domestic hot water circuit, depending on the
location of the boiler, opening the lowest hot water tap may drain this circuit. However it must be noted that some residual
water will be experienced during replacement of components.
4.
After replacing any component on the boiler, close tap, close the drain valve and open all system isolating valves (re-
pressurise as appropriate)
5.
Check operation of the boiler. Refer to Sections 2.24 & 2.25.
CENTRAL HEATING CIRCUIT
1.
Refer to Section 3.8.
2.
Close all the CH water isolating valves on the boiler inlet.
3.
To drain the primary heat exchanger circuit: Open the drain
valve and attach a length of hose to the CH drain point.
4.
After replacing any component on the boiler, remove the hose,
close the drain valve and open all system isolating valves (re-
pressurise as appropriate).
5.
Check operation of the boiler. Refer to Sections 2.24 & 2.25.
CH
Return
CH
Flow
DHW
Inlet
DHW
Outlet
Gas
CH
Circuit
Drain
SER
VICING
Содержание Atlantic 24
Страница 4: ...4 Installation and Servicing ...
Страница 6: ...6 Installation and Servicing ...
Страница 64: ...64 Installation and Servicing SECTION 5 SPARE PARTS ...
Страница 71: ...71 NOTES Installation and Servicing ...