Manual Morco GB24 Series II (page 14 of 36) (English)

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section 5 - installation instructions

5.1 BOILER PACKAGING

The boilers are supplied in different packagings:

• Boiler

• FlueSystem(separate)

• HardwarePack(separate)

5.2 FITTING/MOUNTING THE BOILER

Decidewheretheboileristobexedonthewall,takinginto

account installation requirements detailed in previous section.

1. Screw the wall mounting plate to the wall choosing one of the

two sets of slots in left and right bank. Ensuring that at least

oneofthescrewsisttedintoatopslot.

2. Lift the boiler onto the wall mounting plate, locating it over the

two tabs.

Note. If present, remove the bottom end support packaging

and ensure all plastic plugs are removed from CH & DHW

connections.

5.3 WIRING INSTRUCTIONS

WARNING: THIS APPLIANCE MUST BE EARTHED

Connections must be made in such a way that allows complete

isolation of the electrical supply, e.g. double pole switch with

3mm contact separating in both poles.

ROOM

STAT/

TIMER

Room

Stat

230VAC Feed

230VAC Return

5.4 INTERNAL WIRING

Theboilerhasbeenpre-ttedwitha3ampfusedapproved

moulded3pinandyingleadforusewith230V50Hz.

If the supply cord is damaged, it must be replaced by the

manufacturer,itsserviceagentorsimilarlyqualiedpersonsin

order to avoid a hazard.

The plug should be used with an

unswitched/shuttered socket outlet

complying with BS1363.

Theboilercomespre-ttedwith

a link wire between the room

thermostat/Timer connections on

the terminal strip. This creates a

permanent call for heat and must

be removed when adding a room

thermostat.

ROOM THERMOSTAT - WIRING

Totaroomthermostatproceedasfollows:

1. Ensure that the electrical supply to the boiler is isolated before

proceeding.

2. Removethetwoscrewsbeneaththeaponthefrontofthe

boiler and lower the front panel.

3. Removethepre-ttedlinkwirebetweentheRoomstat/timer

terminals.

4. Pass the cable through a grommet, secure with the cable

clamp and connect the room stat as shown in the diagram

below.

5. If room stat has a neutral connection, connect this to terminal

N (load) in the fused spur.

6. Carry out all necessary electrical checks.

7. Raise the front panel and relocate the two screws under the

smallap.

8. Check operation of room stat if possible.

Example of fixing

Cable

Clamp

We have this Boiler fitted in our Caravan and not had a trouble till we had the boiler serviced since then the boiler will deal with the hot water but if you put it onto timer for the central heating the boiler comes in and when it gets to temperature goes out but then when the temperature drops the boiler does not come back in and shows L-2 which means it’s locked out please advice what can be the trouble thankyou Submitted on 10-11-2021 at 19:52
Reply Report abuse
- condensing tack requires cleaning maybe Answered on 25-11-2023 at 18:25
  Vote up Report abuse
Je voudrais savoir pourquoi s affiche sur l écran de contrôle F 9 qui clignote. Et pas d eau chaude. Submitted on 29-6-2021 at 18:11
Reply Report abuse
Hot water working but no heating and no fault codes Submitted on 12-4-2021 at 18:39
Reply Report abuse

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Morco GB24 Series II Manual

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