Ravenheat HE 25 C COMPACT Manuale operativo

Technical and illustrative data are not binding and can be modiﬁ ed without prior notice.

The descriptions and illustrations in the present booklet are for guidance purposes only.

RAVENHEAT INTERNATIONAL s.r.l. Via Dell’ Agricoltura, 50 37059 Zevio (VR) IT

Tel. 045/6051578 - Fax 045/6060662

e-mail: info@ravenheat.it

Instructions for Use

Installation and Servicing

To be left with the user

HE 25 C - 30 C - 35 C - 40 C

COMPACT

Natural Gas (G20) II2H3P

LPG (G31) II2H3P

1312

HIGH EFFICIENCY

CONDENSING

COMBINATION BOILER

2

3

HIGH

EFFICIENCY CONDENSING BOILER

FOR CENTRAL HEATING AN

FOR CENTRAL HEATING AND DOMESTIC HOT WATER

This new highly eﬃ cient turbo-modulating boiler is designed to meet domestic hot water and central heating requirements at

super high eﬃ ciency.

POSITION

The appliance is extremely versatile as it can be ﬁ tted in almost any room. The appliance is room sealed so there is no contact

between the combustion chamber and living accommodation. This guarantees maximum safety and eﬃ ciency. Each boiler

has been designed and manufactured in our modern plant to exacting ISO 9001 discipline, all boilers carry full CE marking

of approval. This product is guaranteed by Ravenheat International srl Via Dell’ Agricoltura, 50 - 37059 Zevio (Verona) Italy.

Guarantee is a full 24 months from date of purchase providing the appliance has been ﬁ tted in accordance with these instructions

and relevant codes of practice.

- Modulating

gas valve.

- Modulating pump head suitable for any type of central heating system.

- Burner with ﬂ ame stabiliser designed to operate under all thermal conditions.

- Unique

condensing heat exchanger

for high thermal ﬂ ue transfer from gases to water.

- Stainless steel plate heat exchanger for super high heat transfer to domestic hot water supply.

- Built in frost protection.

- Printed circuit board designed to connect to room stat and/or timer.

- Aesthetically pleasing panels and controls.

- On/Oﬀ ball valves for shutting oﬀ gas, central heating and domestic hot water circuit.

- Safety relief valve (for safety discharge).

-

NOTE: Due to the high

eﬃ ciency of thi

eﬃ ciency of this boiler a plume of water vapour will form at the ﬂ ue

terminal during operation.

COSHH - CONTROL OF SUBSTANCES

HAZARDOUS TO HEALTH

IMPORTANT

It is the Users/Installers responsibility to ensure that the necessary personal protective clothing is worn when

handling this appliance, and where applicable the pertinent parts that contain any materials that could be interpreted

as being injurious to health and safety.

GENERAL INFORMATION:

GLUES AND SEALANTS - exercise caution - if these are still in liquid form.

RAVENHEAT use only high quality material for production of this product, in an eﬀ ort to protect the environment

wherever possible components should be recycled.

WARNING: when installing the appliance, care should be taken to avoid any possibility of injury when handling sheet

metal parts.

MAJOR COMPONENTS

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6

It is the law that all gas appliances are installed by

a competent person, in accordance with the gas

safety installation and to the current Gas Safety

(Installation and Use) Regulations B.S.5440:2-(2009).

Do NOT search for gas leaks with a naked ﬂ ame.

WARNING: This appliance must be earthed.

1.1 INTRODUCTION

Please carefully read the information given in this

booklet to help you gain maximum control from your

appliance with minimum trouble and cost.

Your Ravenheat Condensing Low Nox combination boiler

has been designed to supply your Central Heating and

Domestic Hot Water directly from one unit.

When Central Heating is operating, the circulation will be

interrupted when Domestic Hot Water is being drawn oﬀ

(domestic hot water has priority).

This will normally not aﬀ ect the level of Heating.

PLEASE NOTE:

Due to the high eﬃ ciency of this appliance and resulting

low ﬂ ue gas exhaust temperature a white plume of

condensation vapour (cool steam) will be emitted from the

ﬂ ue outlet terminal, this is quite normal. It will be

particularly evident during periods of low outdoor

temperature or when the boiler is working at its optimum

performance (Plume Management kits are available on

request).

IMPORTANT:

In the unlikely event of the exhaust ﬂ ue gases exceeding

the overheat temperature setting, the boiler operation will

be stopped to prevent damage to the appliance.

1.2 CLEARANCES AROUND THE APPLIANCE

Side clearance:

The position of the appliance must provide a

minimum clearance of only 5 mm as the side panels

do not require removing for servicing.

However, if the option is preferred to remove the

panels then a minimum clearance of 55 mm is

required.

Top clearance:

The top clearance should be a minimum of

125 mm.

Bottom clearance:

A minimum bottom clearance of 80 mm is

required between the appliance

required between the appliance and any surface,

though 150 mm is preferred whenever

possible.

Front clearance:

A minimum of 450 mm is required in front of

the appliance for access during servicing, the

front clearance can be reduced when installed

in a cupboard to 25 mm from the access door.

+

USER CONTROLS

This appliance is designed to operate with the minimum

of ease for the user. All the controls are found on the

control panel on the front of the boiler.

1.3 OPERATING SAFETY CHECKS TO PROTECT

YOUR APPLIANCE (CHECKING THE SYSTEM

PRESSURE)

Before lighting the appliance check that the Central

Heating system pressure is not less than 1 bar. If it

is below this it will be necessary to re-pressurise the

system, between 1 and 1.5 bar to allow the boiler to

operate. To view the system pressure press the INFO

button once, this will display the current pressure

(if the

pressure is on nil or too low, then error code 08E is

displayed).

A ﬁ lling device (ﬁ lling loop) will have been ﬁ tted on the

system.

This is usually on the pipework near to the boiler. If you

are unsure of its position, or you cannot identify it, consult

the installer who ﬁ tted the boiler.

The ﬁ lling loop usually consists of two taps and a

separate silver coloured braided ﬂ exible pipe with

connection ﬁ ttings. Only when re-pressurising should the

braided ﬂ exible pipe be connected between the two taps,

ensure that the nuts or the pipe ends are tightened

onto the taps.

Fully open one of the taps ﬁ rst and then while monitoring

the water pressure on the digital display, carefully open

the second tap. When the water pressure is to a

maximum of 1.5 bar turn both taps oﬀ .

Disconnect the ﬂ exible pipe from the taps (a small

amount of water may be present).

Keep the pipe in a safe place for future use.

Press the ESC button once to return to the main screen.

In the event of an error, the appliance will show a

sequence code displayed on the digital display of the

control panel (ﬁ g. 1). By pressing the “RESET“

button it is possible to relight the boiler (see page 52

and 53 for list of error codes).

1 USERS GUIDE

7

1.4 APPLIANCE STATUS INDICATORS

The boiler is equipped with a large LCD

display that indicates the appliance

operating status ﬁ g. 1).

Fig. 1

KEY:

1 - ON/OFF button.

Press to turn the boiler ON, summer mode

(hot water symbol only), winter mode (hot

water and radiator symbol), and OFF.

Press the button also to conﬁ rm selections.

2 - Press to RESET the appliance if ever an error

code is displayed or ESC to back-up from the

boiler menus.

3/4 - Temperature and function mode selectors.

Press the arrow up or the arrow down to

increase or decrease the central heating

set-point temperature.

Press also to show the boiler values or to

show the options program when the digital

display is in INFO or in USER PARAMETERS.

5/6 - Temperature selectors.

Press the arrow up or the arrow down to

increase or decrease the heating hot water

outlet temperature.

2/6 - INFO: press together 2 and 6 buttondìs for

to show the boile values and use the arrow up

and arrow down buttons (3/4) to scroll.

- Flow temperature

- Domestic hot water temperature

- % power of modulation

- Return temperature

- External temperature, if the external

probe is present

- Fan speed (exemple 20=2000ppm).

Press ESC to esc INFO mode.

- USER PARAMETERS (for service people): press

the ESC and the arrow down buttons together

(buttons 2 and 3).

Press the arrow up and arrow down buttons to

show the boiler parameters.

- P001: C.H. max fan speed.

- P002: D.H.W. max fan speed.

- P003: Keep hot “0” disabled and “1” enabled

- P004: C.H. High/Low temperature:

“0” low (max 50°C) / “1” high (max80°C )

- P005: Climatic curve: default “20” (full instructions

are provided with the Outdoor Sensor Kit).

- P006: Enable locking pump “0” disable / “1”

enable.

- P007: Test mode: “0” disabled, “1” enable.

(the function is enable for maximum 15

minutes).

Press ESC to esc Test mode.

- P008: Weather compensator control.

0= Normal remote control.

1= Ravenheat remote control with

D.H.W. selection in boiler.

2= Honeywell remote control.

- P009: Ignition power. Is possible to set the soft

start power level (% of max boiler power,

range 0:99).

- P010: Boiler power selection

(“1” HE 25C - “2” HE 30C - “3” HE 35C -

“4” HE40C).

- P011: Boiler type

(“1” istantaneous - “2” only heating). -

- P012: Gas type

(“0” Natural gas - “1” LPG gas).

- P013: Modulating pump type selection

(“0” Wilo - “1” Grundfos).

- P014: Water pressure sensor selection:

“0” pressure switch - “1” transducer

Press ESC to esc USER PARAMETERS mode.

8

1.5 DIGITAL DISPLAY

Fig. 2

1.6 BOILER VALUE

It is possible to show the boiler value.

Press together 2 and 6 buttons for

to show the boiler values.

Use the arrow up and the arrow down

buttons C.H. setpoint, (item 3 and

buttons C.H. setpoint, (item 3 and 4 ﬁ g. 1) to

show the following info:

- Flow temperature

- Domestic hot water temperature

- External temperature, if the external

probe is present

- % power of modulation.

1.7 DIAGNOSTIC

The display shows eventual error or faulty

message.

Stop boiler: The boiler stops the operating cycle

and waits for the disappearance of the cause of

the error in order to go back to be operating

mode.

Block boiler: the boiler requires a manual reset

to become operational again.

KEY

1 - D.H.W. request present / D.H.W. setpoint

setting

(not used on only heating)

2 - Generic error indicator

3 - C.H. enabled / C.H. setpoint setting

4 - User vlockout reset request

5 - Flame presence

6 - Temperature

9

KEY

1 - C.H. ﬂ ow

2 - Water load (Not UK version)

3 - D.H.W. outlet

4 - Pressure gauge

5 - Gas inlet

6 - D.H.W. ﬂ ow detector

7 - Water inlet

8 - C.H. return

9 - Drain point

10 - Pump

11 - Safety pressure relief valve

12- Water pressure

13 - Automatic air vent

14 - C.H. return sensor

15 - Fan

16 - Expansion vessel

17 - Spark electrode

18 - Flue temperature sensor

19 - Main heat exchanger

20 - Sensing electrode

21 - Condensate drain

22 - Overheat cut off thermostat

23 - C.H. flow sensor

24 - Silencer

25 - Condensate trap

26 - Plate heat exchanger

27 - Gas valve

2.0 GENERAL LAYOUT (Fig. 3)

Fig. 3

10

KEY

1 - Flue temperature sensor

2 - Main heat exchanger

3 - Sensing electrode

4 - Spark electrode

5 - CH return

6 - CH ﬂ ow

7 - Condensate drain

8 - Fan

9 - CH return sensor

10 - Overheat cut off thermostat

11 - CH ﬂ ow sensor

12 - Gas valve

13 - Expansion vessel

14 - Automatic air vent

15 - Pump

16 - Water pressure transducer

17 - Safety pressure system

18 - Diverter valve motor

19 - Plate heat exchanger

20 - DHW sensor

21 - DHW ﬂ ow sensor

22 - Gas service cock

23 - CH compression ball valve

24 - DHW compression ball valve

25 - CH compression ball valve

2.1 OPERATING SCHEME (Fig. 4)

Fig. 4

Ravenheat HE 25 C COMPACT Manuale operativo

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