Heater air system


Risk of burning and injuries

The hose of the heater air system and the hot air outlet are to be routed and fastening in such a way that they pose no temperature risk to people.Animals or materials sensitive to temperature from radiation/contact or blowing directly.If necessary,a cover is to be fitted to the heater air system or hot air outlet.

The outflow hood must be fitted on the hot air outflow side.

A safety gird must be fitted to the heater air intake side and outflow side if no air hoses are mounted to prevent any injuries from the heater air fan or burns from the heat exchanger.

High temperatures occur in the heater air system during and after the heater has been working.This is why it is important to avoid working in the vicinity of the heater air system while the heater is working.In such cases,switch the heater off beforehand and wait until parts have cooled down completely.If necessary,wear safety gloves.



Note

The heater air intake opening must be arranged in such a way that under normal circumstances,it is not possible for exhaust from the vehicle engine and heater to be sucked into the system or for the heating air to be contaminated with dust,salt spray,etc.

For circulating air,position the circulating air intake in such a way that the outflowing hot air cannot be directly sucked in again.

In the event of possible overheating,it is possible for local lot air temperatures of up to max.150 or surface temperatures of up to max.90℃ to occur immediately before the defect shutdown.Therefore only temperature-resistant hot air hoses approved by us must be used for the heater air system.

When checking the functions,the mean outflow temperature measured after the heater has been running about 10 minutes at approx.750px from the outlet should not exceed 110℃(at an intake temperature of approx.20℃).

If there is a risk of the driver and passengers touching the heater when the vehicle is being driven normally,a contact protection device must be fitted.






1 Safety grid  2 Outflow hood  3 hose clip  4 Flexible hose  5 Rotating outflow

Fig.14

The optional air duct fittings


Users can choose the air duct fittings according to the situation.Please refer to Fig.13.Fig.13



No

Name

Specification

A

Grill

Φ90

Φ60

B

Diameter changes joint

Φ90/60

Φ56/60

C

Elbow

Φ60/90

D

Clamp

Φ50~70

E

Ducting

Φ60/φ64

F

Connector

Φ60-Φ60

G

Reducing T

Φ60

Table 5


Fig. 25

Exhaust system

The flexible exhaust pipe can be shortened to 500px or lengthened to max.2m depending on the installation conditions.

Fasten the exhaust silencer (if have)to a suitable position in the vehicle.Cut flexible pipe off a long part and a short part.

Route the flexible exhaust pipe from the heater to the exhaust silencer and fasten with pipe clips.Use a pipe clip to fix a short exhaust pipe end(with end sleeve)to the exhaust silencer.

Note

The whole exhaust system gets very hot during and immediately after the heater has been working.This is the reason why the exhaust system must be installed according to these instructions.

The exhaust outlet must end in the open air.

The exhaust pipe must not protrude beyond the lateral limits of the vehicle.

Install the exhaust pipe sloping slightly downwards.If necessary ,make a drain hole approx. Φ5mm at the lowest point to drain off condensation.

Important functional parts of the vehicle must not be impaired(keep sufficient clearance).

Mount the exhaust pipe with sufficient clearance to heat-sensitive parts.Pay particular attention to fuel pipes(plastic or metal),electrical cables and brake hoses etc.

Exhaust pipes must be fastened safely(recommended clearance of 1250px)to avoid damage from vibrations.

Route the exhaust system so that the emitted fumes are not sucked in with the combustion air.

The mouth of the exhaust pipe must not get clogged by dirt and snow.

The mouth of the exhaust pipe must not point in the direction of travel.

Risk of injures and burns!

Every type of combustion produces high temperatures and toxic exhaust fumes.This is the reason why the exhaust system must be installed according to these instructions.

Do not perform any work on the exhaust system while the heater is working.

Before working on the exhaust system,first switch the heater off and wait until all parts have cooled down completely,wear safety gloves if necessary.

Do not inhale exhaust fumes.

Note

If a silencer is fitted,the exhaust end pipe must be much shorter than the flexible exhaust pipe between the heater and the exhaust silencer.

Small arrows indicating the direction of flow have been cast into the fittings to differentiate between the combustion air and the exhaust fittings at the heater.

Combustion air system

The universal installation kit includes a flexible combustion air hose,inner Φ25mm,600mm long.If necessary the flexible combustion air hose can be shortened by 20 cm or lengthened by max.2m depending on the installation conditions.Fasten the combustion air hose to the heater clips or cable ties.

In order to meet the dust environment,an optional air filter is a good choice. A length of air filter can be cut in order to meet different thickness of air inlet pipes.

Fig.16

1Combustion air hose,di=25mm

2Hose clip

3Exhaust pipe,di=24mm

4Exhaust silencer(optional part)

5Intake/outlet opening-protect from wind,snow,dirt and water.

6End sleeve,combustion air

7Clip

8Combustion air connection

9Exhaust connection

10End sleeve,combustion air

11Hose clip

12Air filter(optional part)


2017年05月12日

Installation and location
Fuel supply Installation

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