Layout And Components - 12/18 System Appliance Shown - Bosch Worcester Greenstar Danesmoor External Regular ErP+ 12/18 Installation, Commissioning And Servicing Instruction Manual

3.5

Layout and components - 12/18 System appliance shown

7
6
5
4
1
3
2
35
36
34
33
32
31
30
29
28
27 26
Fig. 3 Exploded system appliance view
1 Control box assembly
2 Demand indicator
3 Mode switch
4 Flue manifold access cover
5 Flue gas sampling point
6 Flue overheat thermostat phial
7 Return connection
8 Flow connection
9 Pressure relief valve
10 Flexible air duct (connecting to air intake on burner)
11 Secondary heat exchanger
12 Heat exchanger flow pipe
13 Secondary heat exchanger drain
14 Condensate outlet
15 Flexible condensate drain pipe connection
16 Condensate drain pipe
17 Condensate trap
18 Primary heat exchanger
19 Optional oil return position
20 Oil isolating valve
21 Pump drain point
22 Burner mounting plate
23 Base plate and oil drip tray
Table 4 Appliance component details (System model)
Greenstar Danesmoor External ErP+ and External System
8
24
23
25
ErP+ 6720821725 (2018/04)
9
36
10
11
12
37
13
14
15
16
42
17
18
19
20
21
22
24 Primary heat exchanger drain
25 Burner air intake - connected to air inlet casing by flexible duct
26 Oil pump (behind plastic cover)
27 Riello RDB burner
28 Burner motor (behind plastic cover)
29 Plastic cover
30 Lock out reset button (on the front of the burner control box)
31 Burner control box (behind plastic cover)
32 Circulating pump
33 Expansion vessel
34 Combustion chamber access door (primary baffle inside)
35 System pressure gauge
36 Temperature control knob
37 Auto reset thermostat
38 Flue overheat reset button
39 Boiler overheat reset button
40 Burner lead connector socket
41 Service socket
42 Control & manual reset overheat thermostat phial
43 Auto-reset high-limit thermostat phial
44 Secondary heat exchanger bleed point (one on each side)
Appliance information
2
3
35
38
39
41
40
43
44
9