Retrofit Eberspächer Hydronic D5W SC independent coolant preheater

AZ83.70-D-0001B

Retrofit Eberspächer Hydronic D5W SC independent coolant preheater

6.6.02



Remove

1

Disconnect ground lead from battery

2

Remove front grille



up to model year 2003

AR88.00-D-2115B

as of model year 2003

AR88.00-D-2115C

3

Remove lamp unit

Left lamp unit only



AR82.10-D-4730A

4

Remove air conditioning control and operating unit

 Do not detach cables and plugs



without automatic heater or Tempmatic, code H25 or HH9

AR83.25-D-1124B

with automatic heater or Tempmatic, code H25 or HH9

AR83.25-D-1124A

5.1

Remove cover from driver seat box

with ATA, code FY1 or FZ4

6.1

Remove door sill molding from driver's door

with ATA, code FY1 or FZ4

7.1

Release floor covering in driver side footwell from wheelhouse and put to side

with ATA, code FY1 or FZ4



Install

8

Make cutouts for exhaust gas, combustion air and fastening

AZ83.70-D-0001-10C

9

Prepare heater for installation

AZ83.70-D-0001-11A

10

Install heater

AZ83.70-D-0002-02E

Danger!

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel.

No fire, sparks, open flames or smoking.
Pour fuels only into suitable and appropriately marked containers.

Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

11

Connect water heater to fuel system

AZ83.70-D-0001-06A



*000589122800

12

Fabricate coolant hoses for connecting to cooling and heating circuit

AZ83.70-D-0001-04B

 Danger!

Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage bottles.

Wear protective gloves, protective clothing and eye protection.

AS20.00-Z-0001-01A

13

Connect water heater to cooling and heating circuit

AZ83.70-D-0001-05B



*000589543700

14

Fit timer to instrument panel

AZ83.70-D-0001-07C

15

Installing cable set

AZ83.70-D-0001-08B

16

Retrofit blower actuation for stationary heater

without automatic heater or Tempmatic, code H25 or HH9

AZ83.70-D-0001-12A

with automatic heater or Tempmatic, code H25 or HH9

AZ83.70-D-0001-12B

17

Install remaining parts onto vehicle

18

Pour collected coolant into coolant expansion tank and replace expansion tank cap

 Danger!

Risk of accident from vehicle starting off by itself when engine running. Risk of injury caused by contusions and burns when working in engine during starting procedure

Secure vehicle to prevent it from moving off by itself.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

19

Start engine and run for approx. 1 minute at varying rotational speeds

20

Turn engine off and check coolant level, top up if necessary



Notes on coolant

AH20.00-N-2080-01A

 Danger!

Risk of explosion caused by fuel vapors igniting, risk of poisoning caused by inhaling combustible gases and risk of injury caused by burns during and after operation of heater unit

Do not operate a stationary heater, an auxiliary heater or an engine with heater booster in closed areas or when refueling. Allow heater unit to cool down after operation and wear protective gloves.

AS83.70-Z-0002-01A

21

Switch on water heater as described in operating instructions and perform function test as described in manufacturer's instructions

 Inspect fuel lines and connections for signs of leaks during function check.

22.1

Bleed water heater

 Bleeding is only necessary if a fault shutoff occurred because of overheating during the function check.

AZ83.70-S-0001-09A



Notes on retrofitting stationary heater with fuel combustion

AH83.70-N-0001-05A

Part no.

Designation

Quantity

B6 731 0037

Basic unit Eberspächer D5W SC 12V

1

B6 731 0048

Universal installation kit

1

B6 731 0066

Sprinter installation kit

1