Bosch GREENSTAR II HE OIL 12/22 Service Manual download pdf (Page 17)

Fig. 23. Honeywell ‘S’ Plan.

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

Remove link 1 to 3 and link 2 to 4 and make link 3 to 4

Room thermostat Heating Valve. Honeywell V4043H

Burner Socket

Optional

Worcester

Programmer

Hot Water Valve

Honeywell V4043H

Pump

HEAT SYSTEMS

HEATING

ADVANCE

OFF

TWICE

ONCE

OFF

TWICE

ONCE

SELECT LOCK SET? YES SELECT

TUE

HOT

WATER

ADVANCE

LNEEN1234 56

Cylinder

Thermostat

Orange

Blue

Grey

Brown

Blue

Brown

Orange

Grey

Blue

Green/Yellow

Brown

Green/Yellow

789

Fig. 24. Honeywell ‘Y’ Plan.

NOTE: When using a WHS programmer remove the orange wire from terminal 9 and connect to terminal 6. Set the switch on the

rear of the programmer to ‘P’. Remove link 1 to 3 and link 2 to 4 and make link 3 to 5.

Room thermostat

Pump

HEAT SYSTEMS

HEATING

ADVANCE

OFF

TWICE

ONCE

OFF

TWICE

ONCE

SELECT LOCK SET? YES SELECT

TUE

HOT

WATER

ADVANCE

Burner Socket

Optional

Worcester

Programmer

Cylinder

Thermostat

Mid Position Valve

Honeywell V4073A

LNEE N1 2 3 4 5 6

78910

Blue

Brown

Green/Yellow

Blue

Grey

Orange

Grey

Green/Yellow

Blue

Brown

White

Brown

Blue

White

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Bosch GREENSTAR II HE OIL 12/22 Service Manual Page 17

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