Layout & Components - Worcester Greenstar Heatslave II External 12/18 Instruction Manual

18/25 APPLIANCE SHOWN
DCW
DHW
CH Flow
DHW Sensor
42
41
DCW Sensor
40
39
38
B
37
32
33
34
31
a
10 11
4
3
7 8 9
2
1
28
INSTALLATION & SERVICING INSTRUCTIONS FOR GREENSTAR HEATSLAVE II EXTERNAL 12/18-18/25-25/32
6 720 805 210-01
C
CH Return
43 44 45 46 47
36
6
5
35
29
30
27
26
25
48
A
12
13
14
15
16
17
18
19
20
21
22
23
24
LAYOUT & COMPONENTS
The diagram opposite excludes the top, front
and RH side casing panels.
A
1 CONTROL BOX ASSEMBLY
2 SERVICE MODE BUTTON
3 CH TEMPERATURE CONTROL KNOB
4 LCD DISPLAY
5 CASING SIDE PANEL
6 FLUE "KNOCK-OUT" SECTION
7 TANK TEMPERATURE CONTROL KNOB
8 DIAGNOSIS PORT - WORCESTER ENGINEER
9 SYSTEM PRESSURE GUAGE
10 FLUE GAS SAMPLING POINT
11 FLUE MANIFOLD COVER
12 FLUE OVERHEAT THERMOSTAT PHIAL
13 AIR INLET CASING FLEXIBLE AIR DUCT
(CONNECTING TO AIR INTAKE ON BURNER)
14 CASING SUPPORT BRACKET
15 SECONDARY HEAT EXCHANGER DRAIN
16 HEAT EXCHANGER FLOW PIPE
17 CONDENSATE OUTLET
18 CONDENSATE TRAP
19 CONDENSATE DRAIN PIPE
20 FLEXIBLE CONDENSATE DRAIN PIPE
CONNECTION
21 PRIMARY HEAT EXCHANGER
22 OIL ISOLATING VALVE
23 BASE PLATE AND OIL DRIP TRAY
24 COMBUSTION CHAMBER ACCESS DOOR
AND ONE PIECE BAFFLE SET LOCATION
25 PRIMARY HEAT EXCHANGER DRAIN
26 EXPANSION VESSEL
27 EXPANSION VESSEL BRACKET/DATA LABEL
28 RIELLO RDB 2.2 BURNER (ALL OUTPUTS)
29 HEATSLAVE TANK
30 HEATSLAVE TANK DRAIN
31 CASING BRACE AND CONTROL BOX
SUPPORT
a OPTIONAL FASCIA MOUNTED PROGRAMMERS
AVAILABLE (not supplied with the appliance)
B
32 CIRCULATING PUMP
33 MANUAL RESET TANK OVERHEAT
THERMOSTAT
34 DRAIN POINT
35 DIVERTER VALVE ASSEMBLY
36 AUTOMATIC AIR VENT
C
37 DHW FLOW TURBINE
38 TANK TEMPERATURE SENSOR (NTC)
39 DHW HEAT EXCHANGER
40 DHW TEMPERATURE SENSOR (NTC)
41 DHW PRESSURE RELIEF VALVE
42 MAINS INLET TEMPERATURE SENSOR (NTC)
43 PRIMARY MANUAL AIR VENT
44 FLOW TEMPERATURE SENSOR (NTC)
45 PRIMARY HEAT EXCHANGER SAFETY
SENSOR (NTC)
46 SECONDARY HEAT EXCHANGER MANUAL
AIR VENT
47 SECONDARY HEAT EXCHANGER
48 PRESSURE RELIEF VALVE
LAYOUT & COMPONENTS
7