Bosch GREENSTAR II HE OIL 12/22 Service Manual download pdf (Page 16)

LNEEN123456

Mains Wiring

230V 50Hz (5 amp fuse)

Tank Stat

Room Stat

System Water Valves

Pump

External Timer

Earth

Neutral

Permanent Live

Switched Live

Fig. 22. Pre-wired Remote ‘Y’ Plan or ‘S’ Plan.

NOTE: When using a WHS programmer set the switch on the rear of the programmer to ‘P’.

Remove link 1 to 3

Optional

Worcester

Programmer

HEAT SYSTEMS

HEATING

ADVANCE

OFF

TWICE

ONCE

OFF

TWICE

ONCE

SELECT LOCK SET? YES SELECT

TUE

HOT

WATER

ADVANCE

10 WAY JUNCTION BOX

NOTE: If a frost thermostat is required it

can be wired to the remote junction box.

NOTE: The 10 way junction box must be

a terminal block type and current rated

to at least 5 amps.

Remote Pre-wired

Junction Box

OUTSIDE BOILER

INSIDE BOILER

Green/Yellow

Blue

Brown

Black

78910

Burner Socket

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 27 28

GREENSTAR II HE OIL 1
2. General Information 2
1. Installation Regulations 2
Contents 2
3. Technical Data 2
GREENSTAR HE 12/22 3
6. Air Supply 4
5. Removal of the Cabinet 4
4. Siting the Appliance 4
Fig. 2. Components 5
7. Flue System 7
Terminal 9
Fig. 15. Oil Pump 10
Fig. 16. Oil Supply 11
Method 1 Method 2 13
10. Electrical 14
(a) Internal Programmer 15
(b) External Programmer 15
INSIDE BOILER 16
10 WAY JUNCTION BOX 16
OUTSIDE BOILER 16
Fig. 23. Honeywell ‘S’ Plan 17
Fig. 24. Honeywell ‘Y’ Plan 17
Fig. 25. Frost Protection 18
Fig. 27. Burner 20
15. Short Parts List 23
16. Fault Finding 25

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Bosch GREENSTAR II HE OIL 12/22 Service Manual Page 16

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