Instruction manual

LAYOUT & COMPONENTS
The diagram opposite shows the controls in the
servicing position and excludes the outer case.
1 AIR / GAS MANIFOLD
2 SENSOR - BOILER FLOW
3 IGNITION AND FLAME SENSE ELECTRODES
4 OVERHEAT THERMOSTAT
5 RETAINING BRACKET
6 EXPANSION VESSEL
7 REMOVABLE TOP CASE PANEL FOR
SERVICING
8 SECURING NUT, AIR / GAS
MANIFOLD CLAMP
9 HEAT EXCHANGER
10 WALL MOUNTING FRAME
11 FLUE AIR PRESSURE SWITCH
CONNECTION (BLANKED OFF ON THIS
APPLIANCE)
12 FLUE OVERHEAT THERMOSTAT
13 ACCESS POINT FOR CLEANING HEAT
EXCHANGER/SUMP
14 SYSTEM PRESSURE GAUGE
15 DRAIN POINT
16 RETURN
17 CONTROL PANEL IN SERVICE POSITION
18 COVER FOR EXTERNAL WIRING
CONNECTIONS
19 GAS INLET CONNECTION 22mm
COMPRESSION
20 FLOW
21 ACCESS COVER FOR TRANSFORMER &
PCB
22 PUMP
23 GAS VALVE
24 FAN
25 MANUAL VENT POINT
26 FAN PRESSURE TEST POINT
LAYOUT & COMPONENTS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 12i/24i System
8 716 115 167b (03/2009)
7
APPLIANCE
INFORMATION