Legend of wiring diagram for stationary heater (STH) control unit - PE83.70-P-2101-60RAA
Model 251 with CODE (228) Stationary heater Control unit A6
| Code | Designation | Coordinates |
|---|---|---|
| A0 | Color code key | 48L |
| A2/53 | Telephone/portable CTEL/STH radio remote control antenna splitter | 15L |
| A2/53 | Telephone/portable CTEL/STH radio remote control antenna splitter | 21L |
| A2/53 | Telephone/portable CTEL/STH radio remote control antenna splitter | 25L |
| A2/93 | Roof antenna module | 17L |
| A2/93 | Roof antenna module | 19L |
| A2/93 | Roof antenna module | 27L |
| A6 | STH heater unit | 4A |
| A6 | STH heater unit | 12A |
| A6 | STH heater unit | 20A |
| A6 | STH heater unit | 28A |
| A6 | STH heater unit | 36A |
| A6 | STH heater unit | 42A |
| A6/1 | STH radio remote control receiver | 12L |
| A6b1 | Temperature sensor | 39A |
| A6f1 | Temperature fuse | 40A |
| A6m2 | Combustion air blower | 42C |
| A6n1 | STH control unit | 6A |
| A6r4 | Glow pin unit flame monitor | 40C |
| A6r5 | Fuel preheating | 38A |
| A6y1 | STH switchover valve | 41C |
| A28/3 | E-net compensator | 28L |
| F4 | Load compartment fuse and relay box | 7L |
| F4f22 | Fuse 22 | 6L |
| F58 | Engine compartment fuse and relay box | 2L |
| F58f121 | Fuse 121 | 2L |
| M46/1 | Auxiliary heater metering pump | 31L |
| U149 | Valid for comfort telephone | 22G |
| U151 | Valid for engine 113 | 34D |
| U681 | Valid for all except M113 | 34D |
| U801 | Valid for UHI (Universal Portable CTEL Interface) | 20G |
| U808 | Not valid for UPCI [UHI] (Universal Portable CTEL Interface) | 18G |
| W2 | Ground (right front, at lamp unit) | 33H |
| W15/2 | Ground (left footwell) | 9H |
| W16/4 | Ground (right assembly compartment, power ground) | 2E |
| W17 | Ground (right rear seat) | 32H |
| X18/3 | Interior/fuel tank connector | 30H |
| X25/2 | Engine compartment/interior compartment connector | 11E |
| X25/2 | Engine compartment/interior compartment connector | 35E |
| X25/2 | Engine compartment/interior compartment connector | 37E |
| X30/6 | Cockpit voltage distributor (CAN) connector | 36L |
| Y16 | STH switchover valve | 33L |
| Z204/3 | Circuit 31 right rear seat voltage distributor connector | 32L |
| Z204/5 | Voltage distributor connector, left footwell. Circuit 31 (1) | 9L |