Bedienungsanleitung Wodtke Easy.nrg S5 (Seite 26 von 68) (Englisch)

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8.4.6 "Reserve 4" Output (Operating

Message with Monitored Safety Re-

lay)

2-pole, potential-free, forcibly actuated and moni-

tored relay output (normally closed); max. 2 A load

capacity: for connection of external devices which

require a potential-free opening signal during op-

eration of the furnace (e.g. wodtke DS01 differen-

tial pressure controller or wodtke C-Box 1).

Fig.. 51: Reserve 4 output

 Output R4 ON = relay open = furnace in

operation. Note: G OFF applies as opera-

tion.

 Output R4 OFF = relay closed =

furnace off or furnace not ready (e.g. voltage

failure, furnace shut down via button or

furnace shut down via external / internal con-

troller).

Notice regarding "Reserve 4" output:

 The "Reserve 4" output switches simulta-

neously with the "Reserve 1" output be-

cause both outputs represent an operating

message of the furnace. Difference: R1 =

normally open contact with 230 V; R4 =

normally closed contact, potential-free and

monitored.

 If there is a malfunction on the "Reserve 4"

output (relay does not open or close), the

control recognises this, shuts the furnace

down and reports "R4 Er1"

9 Furnace and Functional De-

scription, Components, De-

scriptions

A wodtke AIRPLUS Pellet Primärofen is a special-

ised heating unit for burning wood pellets only.

During heating operation, the furnace generates

hot air which is emitted to the installation room. In

addition, comfortable radiant heat is generated

from the panelling and the viewing window. For

heating operation, simply switch on the Pellet

Primärofen and select the desired output stage.

When using an external controller, the wodtke Pel-

let Primärofen can also be automatically activated

and deactivated and the output stage automati-

cally modulated.

The wood pellets are fully automatically conveyed

to the burner pot and ignited by an electrical ig-

niter.

The controlled transport screw automatically deliv-

ers the correct volume of fuel according to the se-

lected heating output. The air required for com-

bustion flows to the burner pot in a controlled man-

ner. The gases combust in the combustion cham-

ber and the downstream hot gas flues and emit

their energy to the heat exchanger.

An exhaust fan is located at the end of the hot gas

flues which safely conduct the flue gases to the

chimney, coordinated with the fuel volume and

combustion air. An air volume sensor in the air in-

take pipe measures the incoming combustion air

volume and compares it to the related target air

volume. In case of deviations, the exhaust fan is

regulated up or down accordingly. Operating

sounds, such as pellets dropping and flame/air

current and drive motor noises, are audible during

operation. By pulling out the cast grate, ash can

fall out of the burner pot / combustion chamber into

the ash drawer below. The ash drawer must be

regularly removed and emptied. If the ash drawer

is full, faults can occur.

The furnace is also prepared for room air inde-

pendent, sealed installation. Consequently, there

is a contact switch on the combustion chamber

door which registers when the combustion cham-

ber door is opened for too long during operation,

and triggers corresponding safety functions. The

storage container is also correspondingly safe-

guarded and should likewise only be opened

briefly.

Attention:

If an external loading system is connected, room

air independent operation / installation is no longer

possible or permitted, as the seal tightness of the

furnace is no longer guaranteed as a result of the

customer-provided attachments. The same ap-

plies in the case of changes to the furnace made

by the customer, such as the drilling of holes in the

furnace casing. This voids approval.

The operator must clean the furnace of ash and

slag at regular intervals. The viewing window must

also be cleaned of ash coating which is always

created during combustion of solid fuels. In addi-

tion, regular maintenance is required, which

should be performed by a specialist company but

can also be carried out by an instructed operator.

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