MPE 228 Spares
Description
Part No
.
Actuator with
421103
Fixing screws
28mm 2 Port
421202
Valve body.
PORT B
PORT A
A
28MM
B
WIRING GUIDE
2-PORT ZONE 28mm
A
B
28MM
ORANGE
GREY
BROWN
BLUE
STAT.
OFF
ON
WHITE
COM
N/C
N/O
MOTOR
MICRO-
SWITCH
Permanent Live
Make Safe (for fully pumped system) or
Switched Live to Boiler
Switch Live
Neutral
Earth (Not Required)
Switched Live to Pump (for gravity system)
NOTE:
For fully pumped systems the White wire is unused and should be made
safe by wiring into a blank terminal. The pump and boiler should both be
connected to the Orange wire.
MYSON CONTROLS, MYSON LTD., EASTERN AVENUE, TEAM VALLEY,
GATESHEAD, TYNE & WEAR, NE11 OPG
SALES OFFICE No.: 0845-402-3434
IN ACCORDANCE WITH OUR POLICY OF CONTINUAL PRODUCT IMPROVEMENT, WE RESERVE THE RIGHT TO AMEND THE SPECIFICATION OF
THESE PRODUCTS WITHOUT PRIOR NOTIFICATION
