AD83.25-W-6000B | Automatic heater (HEAT) test of electrical system | 25.9.97 |
MODEL 650, 651, 652, 653, 654 up to 1.2.96 with CODE (H25) "Taktmatik" automatic heater control
MODEL 655, 656, 657, 658, 659 up to 1.2.96 with CODE (H25) "Taktmatik" automatic heater control
Automatic heater (HEAT), diagnosis, basic knowledge | |||
| Automatic heater (HEAT), function diagram | ||
Diagnosis tools, HEAT | |||
Connecting diagram of test connectors at H-module HEAT | |||
Connecting diagram of socket box, HEAT | |||
| Cables, connectors and fuses are also taken into account on the tests and, if a fault is displayed, may have to be checked again separately in accordance with the relevant electric wiring diagram for open-circuit, good contact and correct connection. | ||
a | On-board voltage 22.5-29.5 V | ||
b | Test module connected to apparatus rack (electrical compartment) | ||
Testing | |||
1 | Heater blower actuation, testing electrical system, HEAT | ||
2 | Set point positioner, testing electrical system, HEAT | ||
3 | Outside temperature sensor, testing electrical system, HEAT | ||
4 | Heat exchanger temperature sensor, testing electrical system, HEAT | ||
5 | Duo heating water valve, testing electrical system, HEAT | ||
6 | Room temperature sensor, testing electrical system, HEAT | ||
7 | High-pressure/low-pressure switch, testing electrical system KLR | ||
8 | Evaporator temperature sensor, testing electrical system, climate control (KLR) | ||
9 | A/C compressor coupling, testing electrical system, climate control (KLR) | ||
10 | Control module actuation, auxiliary heater, testing electrical system, HEAT | ||
11 | H-module actuation, heater, testing electrical system, HEAT | ||
12 | H-module actuation, air conditioning, testing electrical system, HEAT |
Referenced documents
- ad8325w200001b HEAT diagnosis tools
- ad8325w200005a HEAT test module connection diagram
- ad8325w200006a HEAT connection diagram of test connectors at H-module
- ad8325w200007a HEAT socket box connection diagram
- ad8325w2000b Automatic heater (HEAT) diagnosis previous knowledge
- ad8325w600003b HEAT test of electrical system dual heating water valve
- ad8325w600004b HEAT test of electrical system outside air temperature sensor
- ad8325w600005b HEAT test of electrical system heat exchanger temperature sensor
- ad8325w600006b HEAT test of electrical system room temperature sensor
- ad8325w600008a HEAT test of electrical system heater blower actuation
- ad8325w600009a HEAT test of electrical system set point positioner
- ad8325w600010a HEAT test of electrical system auxiliary heater actuation control module
- ad8325w600011a HEAT test of electrical system heating system H-module actuation
- ad8325w600012a HEAT test of electrical system air conditioning H-module actuation
- ad8330w600116a Climate control test of electrical system evaporator temperature sensor
- ad8330w600123a Climate control test of electrical system compressor connector
- ad8330w600127a Climate control test of electrical system high pressure / low pressure switch
- gf8325w000101b Automatic heater (HEAT) function diagram