Operation Manual

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SECTION 2 - gENERAL SPECIFICATIONS
2.1 GENERAL SPECIFICATIONS
The Morco GB range of boilers are wall mounted, full sequence,
automaticsparkignitionlowwatercontent,fannedue,high
efciencycondensingcombinationboilers.
Note.Duetothehighefciencyoftheboileraplumeofwater
vapour will format the terminal during operation. The boiler is
supplied for use with Propane only at 37mbar supply pressure. It
is particularly suitable for caravan holiday home and park home
use.
Maximum heat output in either heating or hot water for the GB24
is 24.2kW (82,570 Btu/hr)
Maximum heat output in heating mode for the GB30 is 24.2 kW
(82,570 Btu/hr) with 30.3 kW (103,384 Btu/hr) available for hot
water production.
Theboilerissuppliedwithastandardconcentricuewith
additionalextensions,uedeectorandverticaluekitsavailable
as optional extras.
The boiler is suitable for connection to fully pumped, sealed
heating systems ONLY. Adequate arrangements for completely
draining the system by provision of drain cocks must be provided
in the installation pipework.
The boiler contains the following components:
Cast Aluminium Heat Exchanger
Domestic Hot Water Plate Heat Exchanger
Diverter Valve
Circulating Pump
Pressure Gauge
Safety Valve and Central Heating Expansion Vessel
Automatic Bypass
Daily Pump and Diverter Valve Exercise
Mechanical 24hr Timer
The boiler temperature controls are visible, located in the control
panel. These enable the user to control both CH and DHW
temperatures independently. There is the additional feature of a
DHW preheat facility. Operating and fault codes are displayed on
the status panel.
1 Expansion Vessel
2 Pump
3 Auto Air Vent
4 Water Pressure Switch
5 Flow Thermistor
6 Return Thermistor
7 Divertor Valve
8 Fan
9 Venturi
10 DHW Plate Heat Exchanger
11 Ignition Electrode
12 Flame Detection Electrode
13 Gas Valve
14 Siphon / Trap
15 DHW Flow Turbine
16 System Pressure Gauge
17 Sump Cover
Schematic Diagram
8
11
5
9
13
4
7
17
15
10
3
6
2
1
14
12
16