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16

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2.4  IGNITION OF THE BOILER.

Before ignition make sure the heating system is 

filled with water and that the manometer (12) 

indicates a pressure of 1 - 1.2 bar.

-  Open the gas cock upstream from the boiler.
- Turn the master switch (9) taking it to the 

Domestic/Remote Friend Control

V2

 (CAR

V2

) (

) or Domestic Hot Water (

) position.

N.B.: 

once the main selector switch has been 

placed (9) on one of these positions, the presence 

of voltage is indicated by the switch-on with a 

fixed light of one of the LEDS from 4 to 8, which 

indicate the temperature of the output water from 

the main heat exchanger.

Important:

 lflashing of one of the LEDs from 4 to 

8 indicates that there is an anomaly present, refer 

to the successive paragraph.
Functioning of the boiler in domestic water mode 

and in heating mode is indicated respectively by 

the switch-on of LED 2 or LED 3 with a fixed light 

(in absence of remote controls).
• Operation with Remote Friend Control

V2

  

(Optional). With selector switch (9) in position 

(

) Remote Control connected to the boiler 

selector switches (10) and (11) excluded. The 

boiler adjustment parameters are set from the 

control panel of the Remote Friend Control

V2

Connection tot he Remote Control is indicated 

by the contemporary fixed switch-on of LEDs 2 

and 3 (

). Also in the presence of Remote 

Control the indications of the temperature and 

any faults are maintained on the control panel.

• 

Operation without Remote Control. With the 

selector switch (9) in position (

) the 

heating adjustment selector switch(4) is cut out, 

the domestic hot water temperature is regulated 

by selector switch (10). With the selector switch 

in position (

) the heating adjustment 

selector switch (11) is used to regulate the 

temperature of radiators, while selector (10) 

continues to be used for domestic hot water. Turn 

the selector switches in a clockwise direction 

to increase the temperature and in an anti-

clockwise direction to decrease it.

From this moment the boiler functions 

automatically. With no demand for heat (heating 

or domestic hot water production) the boiler goes 

to “standby” function, equivalent to the boiler 

being powered without presence of flame (LED 

corresponding to the ignited boiler temperature). 

Each time the boiler lights up, the relative flame 

present symbol is displayed by the green LED 

1 ( ).

N.B.:

 the boiler may start-up automatically if the 

anti-freeze function is activated.

2.5  FAULT AND ANOMALY SIGNALS.

The Zeus kW boiler signals ant anomaly by 

flashing of one of the LEDs from 4 to 8 or LEDs 1 

and 2 coupled to LED 7. On any remote controls, 

the error code will be displayed using a numerical 

code preceeded or folowed by the letter E (e.g. 

CAR

V2

 = Exx, CRD = xxE)

Anomaly signalled

Flashing 

LED

Remote 

display

Boiling device probe 

anomaly

LED 2 ( )

12

Insufficent

circulation

LED 4 ( )

27

Delivery probe

anomaly

LED 5 ( )

05

Ignition

block

LED 6 ( )

01

Safety thermostat block 

(over-temperature)

LED 7 ( )

02

Fumes pressure switch 

anomaly

LED 8 ( )

11

Contacts resistance 

block

LEDs  2 ( ) 

 and 7 ( )    

contempora-

ry flashing

04

Parasite flame block

LEDs 1 ( ) 

 and 7 ( )  

contempo-

rary

flashing

20

Loss of remote control 

communication

LEDs 2 and 

3 alterna-

ting  flashing   

(

)

31

Boiling device probe anomaly.

 If the card detects 

an anomaly on the boiler NTC probe, the boiler 

does not start-up in domestic water mode however, 

functioning in heating mode; a skilled technician 

must be called (e.g. Immergas After-sales Service).

Insufficient water circulation. 

This occurs if there 

is overheating in the boiler due to insufficient water 

circulating in the primary circuit; thecauses can be: 
-  low circulation; check that no shutoff devices are 

closed on the heating circuit and that the system 

is free of air (deaerated);

- circulating pump blocked; free the circulating 

pump.

If this phenomenon occurs frequently, contact a 

qualified technician for assistance (e.g. Immergas 

Technical Services Centre).

Delivery probe anomaly.

 If the board detects an 

anomaly on the system NTC delivery probe (code 

05) the boiler will not start; contact a qualified 

technician for assistance (e.g. Immergas Technical 

Services Centre).

Ignition block.

 The boiler lights up with each 

demand for room heating or hot water production. 

If this does not occur within 10 seconds, the 

boiler remains in stand-by for 30 seconds, try 

again and if the second attempt fails it goes into 

“ignition block” (flashing LED 6). To eliminate 

“ignition block” the main selector switch (9) must 

be turned to the Rest position. The Anomaly can 

be reset 5 times consecutively, after which the 

function in inhibited for at least one hour. One 

attempt is gained every hour for a maximum of 

5 attempts. By switching the appliance on and off 

the 5 attempts are re-acquired. On commissioning 

or after extended inactivity it may be necessary to 

eliminate the “ignition block”. If this phenomenon 

occurs frequently, contact a qualified technician 

for assistance (e.g. Immergas After-sales Service).

Safety thermostat block (over-temperature).

 

During operation, if a fault causes excessive 

overheating internally, in the exhaust, or an 

anomaly occurs in the flamecontrol section, 

an over-temperature block is triggered in the 

boiler (LED 7 flashing). To eliminate the “over-

temperature block”, turn the main selector switch 

(2)temporarily to the Reset position. If this 

phenomenon occurs frequently, contact a qualified 

technician for assistance (e.g. Immergas Technical 

Services Centre).

Fume pressure switch fault.

 This occurs if the 

intake or exhaust pipes are blocked or in case of 

a fan fault. If normal conditions are restored the 

boiler restarts without having to be reset. If this 

anomaly persists, contact a qualified technician 

for assistance (e.g. Immergas After-Sales Service).

Contacts resistance block.

 This occurs in the 

case of faults to the safety thermostat over-

temperature). The boiler does not start and a 

technician must be called (e.g. Immergas After-

Sales Service).

Parasite flame block.

 This occurs in case of a leak 

on the detection circuit or anomaly in the flame 

control unit. The boiler does not start. A qualified 

technician must be called (e.g. Immergas After-

Sales Service).

Loss of remote control communicaton.

 This 

occurs if an incompatible remote control is 

connected, or if communication between the 

boiler and the CAR

V2

 or CRD is lost. Try the 

connection procedure again by turning the boiler 

off and turning the selector switch (9) to position 

(

). If the CAR

V2

 is still not detected on re-

starting the boiler will switch to local operating 

mode, i.e. using the controls on the boiler itself. 

If this phenomenon occurs frequently, contact a 

qualified technician for assistance (e.g. Immergas 

Technical Services Centre).

Signalling and diagnostics - Display on Remote 

Friend Control

V2

 screen (optional).

 During 

normal boiler operation the room temperature 

value is displayed on the Remote Friend Control

V2

 

(CAR

V2

 or CRD) screen; in case of malfunction or 

anomaly, the temperature value is replaced by the 

relative error code given in the table (Para. 2-5).

Important:

 if the boiler is set in stand-by “

” 

the “CON” connection error symbol will appear 

on the CAR

V2

 and error code “31E” on the CRD. 

The remote controls are powered constantly so as 

not to loose the memorised programs.

2.6  BOILER SHUT-DOWN.

Disconnect the main selector switch (9) taking it to 

position “

” (LEDs from 1 to 8 off), disconnect 

the external omni-polar switch to the boiler and 

close the gas cock upstream from the appliance. 

Never leave the boiler switched on if left unused 

for prolonged periods.

Содержание ZEUS 24 Superior

Страница 1: ...ZEUS 24 28 kW IE Instruction booklet and warning 1 038761ENG...

Страница 2: ...ct correctly Maintenance must be carried out by skilled technical staff The Immergas Authorised After sales Service represents a guarantee of qualifications and professionalism The appliance must only...

Страница 3: ...sure sufficient space for normal servicing therefore it is advisable to leave a clearance of at least 3 cm between the boiler casing and the vertical sides of the cabinet Leave adequate space above th...

Страница 4: ...ranty before making the boiler connections carefully clean the heating system pipes radiators etc with special pickling or de scaling products to remove any deposits that could compromise correct boil...

Страница 5: ...t function disabled i e it must be set to On Off mode The CRD cannot be used for plants divided into zones Electrical connection of the Remote Friend ControlV2 or chronothermostat On Off Optional The...

Страница 6: ...s Cut the seal in the relative groove at the desired diameter 80 run it along the bend and fix it using the sheet steel plate Insert the exhaust pipe with the male end smooth into the female side of t...

Страница 7: ...the boiler the fumes separator positioned on the air fumes extraction well must be adjusted Fig 1 12 Adjustment is carried out by loosening the front retainer screw and moving the indicator to the cor...

Страница 8: ...Exhaust m 2 0 Terminal complete with concentric hori zontal intake exhaust 80 125 Intake and Exhaust 33 m 2 0 m 5 5 Intake m 14 3 Exhaust m 11 0 Terminal complete with concentric horizontal intake exh...

Страница 9: ...t kits 80 125 Kit assembly Fig 1 18 install the bend with flange 2 on the central hole of theboiler inserting the seal 1 and tighten using the screws in the kit Fit the male end smooth of the adapter...

Страница 10: ...flues and air intake pipes according to the diagram shown in the figure Fig 1 22 Fumes are expelled from duct S Air is taken in through duct A for combustion Intake duct A can be installed either on...

Страница 11: ...red use 80 pipes with insulation see insulated separator kit 80 80 chapter Insulated separator kit 80 80 Kit assembly Fig 1 26 install flange 4 on the central hole of the boiler fitting seal 1 and tig...

Страница 12: ...kit optional air intake takes place directly from the environment in which the boiler is installed and the fumes are expelled in an individual flue or directly to the outside The boiler in this config...

Страница 13: ...tail to ensure maximum reliability Thelowerinspectionflangeensurespracticalcontrol oftheboilerandthecoiledheatexchangerandeasy internal cleaning The domestic water attachments are found on the flange...

Страница 14: ...irculation pump 9 Gas valve 10 3 way valve motorised 11 System filler tap 12 System expansion tank 13 Domestic hot water probe 1 17 ZEUS 24 28 KW BOILER COMPONENTS 14 Stainless Steel Boiler 15 3 bar s...

Страница 15: ...devices for flue extraction and relative accessories switch off the appliance and on completion of operations ensure that a qualified technician checks efficiency of the ducting or other devices Neve...

Страница 16: ...it and that the system is free of air deaerated circulating pump blocked free the circulating pump If this phenomenon occurs frequently contact a qualified technician for assistance e g Immergas Techn...

Страница 17: ...elow 4 C and stops once it exceeds 42 C The antifreeze function is guaranteed if the boiler is fully operative and not in block status and is electrically powered To avoid keeping the system switched...

Страница 18: ...nd or exhaust terminals are not blocked check activation of the no air safety pressure switch ensure activation of all adjustment devices seal the gas flow rate regulation devices if settings are modi...

Страница 19: ...ESHOOTING N B Maintenance must be carried out by a qualified technician e g Immergas Technical Assistance Service Smell of gas Caused by leakage from gas circuit pipelines Check sealing efficiency of...

Страница 20: ...f gas by turning in a clockwise direction the heating potential increases and in an anti clockwise direction it decreases Adjust the boiler minimum thermal input Fig 3 3 N B only proceed after having...

Страница 21: ...seconds LED 7 650 seconds Standard setting LED 8 Heating switch on delay request from Room thermostat and Remote Friend ControlV2 The boiler is set to switch on immediately after a request In the cas...

Страница 22: ...n the casing Unhook the lower part of the casing as described in the figure Pull the casing 4 forwards and up at the same time see figure to detachit from the upper hooks 3 15 YEARLY APPLIANCE CHECK A...

Страница 23: ...erted in the test pressure outlet of the modulating adjustable gas valve and on the sealed chamber positive pressure test outlet The power data given in the table is obtained with intake exhaust pipe...

Страница 24: ...ppm 123 71 161 84 165 80 Flue temperature at nominal heat output C 108 109 107 Flue temperature at minimum heat output C 87 91 91 Zeus 28 kW Gas nozzle diameter mm 1 35 0 79 0 79 Supply pressure mbar...

Страница 25: ...loss at case with burner On Off 0 40 0 89 0 60 0 62 Heat loss at flue with burner On Off 5 50 0 03 5 50 0 01 Heating circuit max working pressure bar 3 3 Heating circuit max working temperature C 90...

Страница 26: ......

Страница 27: ......

Страница 28: ...mmergas com Immergas S p A 42041 Brescello RE Italy Tel 0522 689011 Fax 0522 680617 Certified company ISO 9001 This instruction booklet is made of ecological paper Cod 1 038761ENG rev ST 002107 000 10...

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