ar8370d5939f

Remove/install auxiliary heater/heater booster control unit

Type ar · topic 83.70 · version 0100 · 2013-09-02

Applies to: MODEL 909 with CODE H12 (Auxiliary heater (warm water)) MODEL 909 with CODE HZ5 (10 kW warm water auxiliary heater with timer) MODEL 909 with CODE HZ9 (Heater booster, diesel)

Where it sits

Function group 3 Body › 83 Climate control › 83.70 Auxiliary/supplementary heater — Series 909

EinPAS 39 Heating/ventilation/cooling › 39.25 Stationary heater/auxiliary heater › 39.25.11 Control unit/relay — Series 909

AR83.70-D-5939F

Remove/install auxiliary heater/heater booster control unit

27.06.2013

MODEL

909

with CODE H12 (Auxiliary heater (warm water))

MODEL

909

with CODE HZ5 (10 kW warm water auxiliary heater with timer)

MODEL

909

with CODE HZ9 (Heater booster, diesel)

Remove/install auxiliary heater/heater booster control unit

Shown on CODE HZ5 (Auxiliary water heater 10 kW with timer)

1

Auxiliary heater/heater booster control unit

2

Electrical connector

3

Auxiliary heater/heater booster

4

Bolts

D83.70-1483-06

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Remove/install

1.1

Remove heater unit

MODEL 909
with CODE H12 (Auxiliary heater (warm water))
MODEL 909
with CODE HZ9 (Heater booster, diesel)

AR83.70-D-5302FA

1.2

Remove auxiliary heater/heater booster (3)

MODEL 909
with CODE HZ5 (10 kW warm water auxiliary heater with timer)

AR83.70-D-7100F

2

Remove screws/bolts (4)

3

Detach auxiliary heater/heater booster control unit (1) from heater or auxiliary heater/heater booster (3) until electrical connector (2) is accessible

4

Disconnect electrical connector (2)

5

Remove auxiliary heater/heater booster control unit (1)

6

Install in the reverse order

Referenced documents