ATTACK ELECTRIC EASY Series User manual

INSTRUCTIONS FOR USE
W W W . A T T A C K . S K
WALL HUNG ELECTRIC BOILER
ATTACK®
ELECTRIC EASY

2
Contents
8. Claims . . . . . . . . . . . . . . . . . . . . . . 16
1. 1. General information
1.1 Description and use. . . . . . . . . . . . . . . . . . . . 3
1.2 Advantages of boiler . . . . . . . . . . . . . . . . . . . . . . .. 3 9. Way of liquidation. . . . . . . . . . . . . . . 16
1.3 Important directions and advises . . . . . . . . . . . . . 3
1.3.1 Mounting .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3.2 Putting into operation. . . . . . . . . . . . . . . . . .. . . . . .4 10.Enclosures. . . . . . . . . . . . . . . . . . . . . . 17
1.3.3 Boiler operation.. . . . . . . . . . . . . . . . . . . . . . . .4
1.3.4 Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.4 Main dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . 5 10.1 Installation of room thermostat. . . . . . .17
1.5 Technical data. . . . . . . . . . . . . . . . . . . . . . . . .6 10.2 Face of control unit . . . . . . . . . . . . . .18
1.6 Main parts. . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.7 Description of functions. . . . . . . . . . . . . . . . . . 8
1.7.1 Technical description. . . . . . . . . . . . . . . . . . . . . .8
1.7.2 Principle of boiler operation. . . . . . . . . . . . . . . . . 8
1.7.3 Control unit and control panell . .. . . . . . . . . . .8
1.7.4 Protection function of boiler. . . . . . . . . . . . . . . . .8
1.7.5 Safety function of boiler. . . . . . . . . . . . . . . . .8
1 . 8C ir cu it d ia gr am . .. . ..... . . . 9
2. 1.Boiler attendance
2.1 Control panel. . . . . . . . . . . . . . . . . . . . . .10
2.2 Switch on/off. . . . . .. . . . . . . . . . . . . 10
2.3 Operation modes. . . . . . . . . . . . . . . . . . . . . . . 10
2.3.1 Operation mode heating (heating water). . . .10
2.3.2 Operation mode service utility water . . . . . . . . .11
2.3.3 Operation mode summer. . . . . . . . . . . . . . . . .11 Meaning of abbreviations and used symbols
2.3.4Mode stand-by. . . . . . . . . . . . . . . . .12
2.4 Setting of boiler parameters. . . . . . . . . . . . 12 OV - heating water
2.5 Breakdowns. . . . . . . . . . . . . . . . . . . . . 13 TUV - service utility water
ZOV - storage water tank
3.1.Installation TMV - three ways valve
3.1 Norms and regulation. . . . . . . . . . . . . . . . . . .13
3.2 Placement of the boiler. . . . . . . . . . . . . . .13
3.3 Wall hung installation of the boiler. . . . . . . 13
3.4 Electric installation of the boiler. . . . . . . . . . . 13
3.4.1 Connection of the boiler to electric supply
n e t w o r k . . . . . . . . . . . . 1 3
3.4.2 Installation of the room thermostat. . . . . .. . . . .14
Notice pay attention
3.4.3 Installation of three-ways valve for water heating
in the storage water tank. . . . . . . . . . . . . . . . . 14
3.5 Heating system.. . . . . . . . . . . . . . . . . . .14
3.6 Expansion vessel . . . . . . .. . . . . . . . . . . . . . . . . . .14
3.7 Marking of working scale. . . . . . . . . . . . . . . . 14
3.8 Circle pump. . . . . . . . . . . . . . . . . .. . . . . . . 14
.
4. Ending of operation. . . . . . . . . .. . . . 16
5. Maintenance . . . . . . . . . . . . . . . . . . . . 16
6. Full delivery . . . . . . . . . . 16
7. Transport and warehousing . .. . . . . 16

valve.
Dear customer, 1.2 Advantages of boiler
You have bought modern product direct heated electric small dimensions, modern design
†
boiler Electric Easy from the company ATTACK, Slovak high efficiency 99 %
†
Republic. We believe that our product will serve you silent operation
†
good and for long time. That is necessary to hold such
information on the display
principles. It is necessary for you to study whole †
instruction manual and hold all the principles. The automatic regulation of boiler output economic
†
declaration of conformity was issued by the producer operation
according to directives 2004/108/EC, 2006/95/EC. stepless regulation of boiler output with continuous
†
switching on/off heating elements
Basic features rotation of heating elements ensuring elongation of
†
boiler lifetime
Boilers ATTACK are electric used water for heating.
†breakdowns diagnostic system with display
†
It is electric wall-hung appliance determined for indication
heating of family houses or flats with heat loss to
information about heating system pressure thermo
7,5 kW . †
manometer
The boiler could be used for heating of service utility
†
operation mode Stand-by ensuring termination of
water through storage water tank. †
boiler operation with all protective functions
protective functions:
†
Advantages of your boiler - Antifreeze
- Deblocking
- Against overheating
SIMPLE CONTROL - your new boiler is in operation - Against pressure lost
automatically. After boiler professional putting into pump running out regulated
†
operation is not necessary any additional setting. The possibility of a storage water tank connection
†
boiler will adapt to conditions of heating system. possibility of a room thermostat connection
†
DIMENSIONS - your new boiler is really small possibility of operation for electric supply connection
†
regarding its dimensions. 1x 230 V or 2x 230/400 V
automatic deaerating
†
Reminder! Your new boiler is not be alone to be
useful for your comfort, use good outside insulation of 1.3 Important instructions and
your flat or your house, use the room thermostat for
economical consumption of electric energy. advices
Regarding installation, putting the boiler into
†
operation and maintenance it is necessary to
observe instructions according to concrete norms and
regulations and instructions from the producer. It is
necessary for you to read carefully instruction manual
and guarantee conditions..
Control if the boiler in the box is completed regarding
†
1. General information accessories etc.
Control if the boiler type is in accordance with your
†
request for use.
1. 1 Description and use The data stated on the type label has to be compatible
†
The wall hung electric boiler Electric Easy is convenient with conditions for boiler connection and mounting.
for heating in heating systems with forced circle and for
heating of service utility water. 1.3.1 Installing, mounting of the boiler
Heating water is heated in the boiler body by the heating Safety and economic operation of the boiler requests
†
element with output 7,5 kW inside. The heating element a technical project made by authorized heating or civil
consists from 3 parts each of them has the output 2,5 engineer for whole heating system.
kW. Heating operation is controlled by control unit with Mounting of the boiler could be carried out only by
PID regulation. PID regulation assures high efficient †
authorized company or persons.
operation due to minimalizing of heating water
temperature overshoots over temperature setting. This On the boiler and 100 mm before the boiler there is
†
regulation saves also your energy consumption. The not allowed placement of things from flammable
boiler could be regulated by the room thermostat and is materials.
also able to heat service utility water in and independent The boiler mounted on the wall is not able to be moved
†
strorage water tank connected with 3-ways motoric
3

or placed to another place.
NOTICE! If you take the boiler from
The boiler has to be connected by the nut with flat ring
†colder environment to warmer (for
sealing. example if the outside temperature is
It is necessary to connect the heating water inlet with
†below 0° C or 0° C and you want to
a filter and shut off valves. mo un t i t i ns id e), p lea se wa it
It is necessary to leave a free space on both side walls approximately 2 hours
†
of the boiler 100 mm and minimally 400 mm from the
top for after sales service. In case that you will not
1.3.3 Operation of the boiler
observe this request for free space you have to pay
dismantling and mounting the boiler back to the wall The boiler has to be controlled and used only
†
and to heating system, it is not repair paid in according to advices and instructions stated in this
guarantee period! instruction manual, only by adult person who was
posted in maintenance of the boiler. Putting the boiler
into operation will made by authorized service person
1.3.2 Putting into operation during the heating test.
Putting the boiler into operation has to be carried out
†Any manipulation, operation, using and maintenance
†
only by authorized professional company or service of the boiler, which is not in accordance with
person that has an valid agreement signed with the instructions and advices stated in this instruction
producer. The list of these companies is enclosed. manual, is inadmissible. The producer is not
The company or person who will put the boiler into
†responsible for damages caused by wrong using and
operation has an obligation to assure repairs of maintenance of the boiler.
breakdowns or defects in guarantee period. In case The producer recommends periodical service
†
that this company doesn't exist anymore, the controls of the boiler, 1x per year before heating
guarantee repair will be assured by any company from season. The service control could be done only by a
the list closed to you. professional authorized service company or person.
The list of service control steps recommend to be
By putting the boiler into operation the authorized
†controlled before heating season you will find in the
person is obligated to: chapter “maintenance”.
†control connections of the boiler to electric supply The producer allows only room thermostat
network and to heating system †
†control tightness of the boiler connection, if the room thermostat has with potential-
†control all functions of the boiler free outlet connection.The authorized service person
†inform the user about boiler operation, its control and is responsible during putting the boiler into operation
maintenance to fill and sign the guarantee card.
†inform the user about safety dimensions from sides of If you find any breakdown or any defect on an
†
the boiler from flammable walls and its protection electrical part of the boiler, please, don´t repair it by
according to ČSN 061008 and ČSN 730823. yourself , disconnect the boiler from the electric
To fulfil requests for boiler safety and economic supply network and ask for after sales service repair
†
operation it is necessary to observe below mentioned your service person.
conditions: It is not allowed to use the boiler Electric Easy for
†
†for boiler mounting and installing the user has to get another purposes than is stated in this instruction
the permission from the company who is a distributor manual.
of electricity in your region, control the input of the
boiler if it is in accordance with the input stated in the 1.3.4 Safety
permission
† the company carrying out the mounting is responsible
to observe the technical project and concrete Fire instructions:
correlative norms and regulations regarding the
mounting and installing of direct heated electric boilers Disconnect the boiler from the electric
supply network and take out it out of its
in central heating systems. operation according to possibilities.
† for mounting of the boiler it is necessary to have an Extinguish fire using pulverized or snows
authorized technical project for heating system and for extinguish appliance flammable and
connection of the electric boiler explosive materials.
† the boiler is able to be mounted only in an Don´t stock any flammable and explosive
environment according to its determination and things closed to the boiler (for example paper,
according to the project. colours, chemical etc.)
Manipulation, operation, using, control and
†maintenance of the boilers are forbidden if it is not in
accordance with rules and directions of this instruction
manual. It is forbidden mainly to disconnect any of
safety units or elements in the boiler!!!
If the guarantee list is not filling fully, it is not valid.
4

5
1. 4 Main dimensions
Dimensions in mm.

1.5 Technical data
6
Boiler type
Electric parameters
Total electric input kW 7,5
Nominal heating output kW 7,5
Nominal current A 3x12 / 1x36
Voltage V 3x250/400 V+N+PE/50 HZ 1x250 V+N+PE/50 Hz
Nominal current max. A 3x16 / 1x40
Pump input W 60
Main circuit breaker A 3x16 / 1x40
Nominal current of control fuse A 0,315
Mechanical life time of relay - 1 000 000 cyklů
Electrical life time of relay 250 000 cycles, 16 A, 250 V
Width mm 370
Height mm 625
Depth mm 225
Boiler weight without water kg 19
Min. working overpressure of heating systém bar 0,4
Max. working overpressure of heating systém bar 3
Operation overpressure recommended kPa 100
Circle pump - CESAO 3
Maximal temperature of heating water °C 80
Water volume of whole boiler l 5,8
Environmental kind ČSN 332000-3 - normaly AA5, AB5
Efficiency by nominal output % 99
Supply cable CYKY 2
mm 3x2,5 / 1x6
Supply cable AYKY 2
mm 3x4 / 1x10
Expansion vessel l Not ineludet,volume read off ch.3.6
Surrounding temperature °C 0 ÷ 40
Warehousing and transport temperature °C -30 ÷ + 70
Electromagnetic temperature - EN 55014, EN 50082-1
Humidity % 0 ÷ 90 withouth condensation
Measuring accuracy % < 1
Accuracy of boiling water regulation °C ± 1
Regulation type - PI
Cascade - with cascade coutroller
Service plug - 6 PIN
Number of boilers in cascade max. - according cascade controller
Regulation
Remote control
Unit
Mechanical parameters
Environmental requests
Expanding temperature of thermostat
blocked, opened-closed systém °C 100
ATTACK ELECTRIC EASY 8

1.6 Main parts
7
heating element
deaerate valvel
heatmeasuring
reservoir
boiler body
insulation of
boiler body
outlet of heating
water (warm) G3/4
blowing valve blowing valve of
the pump
inlet of heating
water (cold) G3/4
main switcher cables bushing
pump with integrated
deaerate and safety
valves
inlet for expansion
vessel
inlet pipe
safety contactor
switch board X1
boiler frame
switch board for service
utility water connection X2
thermomanometer
control touch buttons
and display
control unit holder
emergency thermostat
control unit
outlet pipe

1.7.5 Safety function of the boiler
1.7 Description of function
Control unit
1.7.1 Technical description †The control unit is designed according to valid EU
The boiler is designed according to valid norms and rules norms and is certified.
ČSN EN and IEC. The safety of the boiler, energy saving †The control unit has a protection against below and
and sound was important matter during the boiler over voltage
designing. †The control unit is protected by system Watch Dog-
Timer with time 512 ms against its processor
1.7.2 Principle of boiler operation “blocking”. In case that the processor is blocking the
IThe insulated boiler body with volume is a reservoir automatic reset function is activated and then the
where water is heated by electric heating elements. In program is going with all parameters set from the point
dependency of heat request there are connected 1 = 2, 5 where it was broken.
kW, 2 = 5 kW or 3 = 7, 5 kW heating elements.
Circulation of water is through the pump. Safety of boiler Protection against overheating
operation is monitoring by several independent sensors. †The boiler has a emergency thermostat set for 100° C.
Whole heating process and pump operation is controlled In case of boiler overheating heating elements are put
by the control unit with display and push touch buttons. out of operation independently to the control unit. This
The button 0/1 is for switching off the boiler out of breakdown is signalling on the display as E2. This
operation . breakdown could be repaired only by authorized
service man.
1.7.3 Control unit and control boardControl
Protection against lost of heating water
unit has several functions which assure basic
pressure
characteristics, mainly:
†The boiler is equipped with a pressure switcher which
† safety functions assure protection against the
detriment of health and property control minimal pressure in heating system 0,4 bar,
† user´s functions functions set by user when the function reliability of deaerate valves is
† operation functions internal functions of control unit assured, it means that the boiler has sufficient volume
import for sound operation of the boiler, but un-get-at- of water.
able for user †In case of lost of heating water pressure below 0,4 bar
Control unit works with below mentioned inlet signals: the boiler signs the breakdown E3 and heating
† temperature of heating water (sensor NTC) elements are put out of operation independently to the
† minimal operation pressure (switcher 230 V) control unit.
† maximal operation pressure (switcher 230 V) †This breakdown could be repaired after the control of
† room thermostat (switcher 24 V) tightness of water ways and after water filling over 0,4
† request service utility water (switcher 230 V). bar. After that the boiler is automatically reset and
Control unit controls: returned to normal operation.
† 3 heating elements
† pump operation Boiler protection against over and below voltage
†in supply electrical net
1.7.4 Protection function of boiler †The control unit is equipped with function assuring
putting the boiler out of operation if the voltage is
Antifreeze protection of the boiler below 150 V or over 250 V. This stage is marked on the
†This function protects the boiler against freeze and is display with the blinking point in the low right corner of
active in the mode STAND-BY. the display.
†Circulation pump and the boiler are in operation, if †When the voltage is OK = in the scale 150 250 V then
temperature of heating water decreases below 5° C. In the boiler returns to normal operation.
this case the boiler assures minimal level of heating
and the system is mildly warm, the boiler heats to 15° Boiler protection against overpressure of
C temperature of heating water and after that the heating water
boiler set back to mode that it start to operate from. †The boiler pump is equipped with pressure safety valve
†If the boiler is switch off or out of electric supply, this set for 3 bars. In case of the overpressure more than 3
function is not active. bars the leakage of water occurs from the valve till the
pressure of water in heating system is not below
Unlocking protection of heating system maximal requested level.
†It is active at all times if the circulation pump or 3-ways †This valve is in its operation automatically.
valve is more than 24 hours out off operation to protect
blocking of the pump or the valve due to its small parts.
This function avoids blocking of the pump rotor in
mode STAND-BY and elongates its lifetime.
†The pump works 1 per day for 10 s.
8

1.8 Circuit diagram
Legend:
NTC - NTC sensor K1 - contactor
TER - room thermostat X1 - switch board 1
HT - emergency thermostat X2 - switch board 2
TS - pressure switcher PG - bushing
TUV - service utility water TMV - 3-ways motoric valve
PE - protective conductor TER TUV - thermostat of service utility water
N - working conductor R1 - relay of heating element 1
L - phase conductor R2 - relay of heating element 2
HV - main switcher R3 - relay of heating element 3
T1 - heating element 1 R4 - relay of the pump
T2 - heating element 2
T3 -heating element 3
Č - pump
9
Circuit diagram for the connection 1x 230 V
Control unit from the face to the transformer
T1
Č
PE
PE
PE
TER 24V
(NTC)
T2
T3
PE
K1
TS
TUV
PE
N
HT
NTC
TER
L
TS
HV
L2 L3L1
HT
N
L1
N
PE
NL L1
PG21
X2X1
PG9
TER.TUV
N
1 2 N L3
orange
green
it is not a part of delivery
TMV
R2
R4
R1
R3
sensor of
heating water

Legend:
NTC - NTC sensor K1 - contactor
TER - room thermostat X1 - switch board 1
HT - emergency thermostat X2 - switch board 2
TS - pressure switcher PG - bushing
TUV - service utility water TMV - 3-ways motoric valve
PE - protective conductor TER TUV - thermostat of service utility water
N - working conductor R1 - relay of heating element 1
L - phase conductor R2 - relay of heating element 2
HV - main switcher R3 - relay of heating element 3
T1 - heating element 1 R4 - relay of the pump
T2 - heating element 2
T3 -heating element 3
Č - pump
10
Circuit diagram for connection to 3x230/400V
Control unit from face to transformer side.
Č
PE
PE
PE
TER 24V
(NTC)
T1
T2
T3
PE
K1
TS
TUV
PE
N
HT
NTC
TER
L2
L
TS
HV
L2 L3L1
HT
N
L1
L3
N
PE
NL L1
PG21
X2X1
PG9
TER.TUV
N
1 2 N L3
orange
green
it is not a part of delivery
TMV
R2
R4
R1
R3
sensor of
heating water

without setting (without using / ,the boiler returns
2.2. Boiler switching ON/OFF to mode before setting.
†Hold the button or and the value will role
Is done with the switcher 0/1 placed on the lower side of automatically up or down .
boiler in the right lower corner (see the picture 1.6).
After boiler switching on you can see information on the 2.3.1 Operation mode heating heating water
display: on the display there is instantaneous temperature.
†EL - - type of the boiler
†6A - software number Without the room thermostat connected
†1.0 - software modification ( např. 1.0)
The switch board and inlet supply
connectors of clamps and the inlet
supply connector are under voltage!
Disconnect the boiler from the main
inlet supply.
2.3 Modes
Important knowledge for setting:
†During temperature setting the point between
numbers are lighting.
†During pause longer than 5 s the boiler returns to point
before setting.In case of mistake setting (for example
parameters) it is possible to wait 5 s and the boiler
returns back or it is possible to push the button ENTER
Electric Easy
11
2. Maintanance
2.1 Control panel
8.0.
information about instantaneous/set temperature
mode information
breakdown information
information about parameters setting
change o the parameter set
-
change of the parameter set +
point is lighting = setting
point is not lighting = operation
point is lighting = only 1 heating
element is on
point is not lighting = no heating
element is on
point is blinking = below/overvoltage in
supply net
short pushing
- setting confirmation in memory
- return from the mode Stand-by
- frame for parameters setting
long pushing (approx. 3 s)
- going to mode Stand-by
information about instantaneous
pressure of heating system.
4
55
6
1 - boiler
4 - heating system
5 - shut off valve
6 - filter

Regulation is controlled on the basis of the temperature 2.3.2 Operation mode service utility water
setting of heating water and hysteresis. (on the display there is ГB)
Setting of heating water temperature:
Set the temperature requested on the control panel
using the buttons , (during setting the point between
numbers are lighting) and confirm by . After
confirmation the temperature value set blinks for a
minute and the setting marking is lost. The boiler now
heats for temperature set by you. The scale for
temperature setting is from 30 to 80° C (if you set the
temperature below 30° C on the display there is the
marking LE- summer regime, possibility to go back is by
pushing .
If you don´t confirm the temperature setting till 5 s, the
boiler turns to the setting before. Use the room
thermostat for economical operation of your heating
system.
With the room thermostat connected
In case that you will heat service utility water through
the storage water tank (the thermostat of tanks is switch
on) the temperature regulation of service utility is
controlled to value 85° C. This temperature is not
possible to change. If the request for service utility water
temperature is fulfilled (the thermostat of tank is switch
off) the boiler returns to mode of heating water (heating
water or mode summer).
This regime for boiler is automatic, is not possible to
change it by the user.
2.3.3 Operation mode summer (on the display
there is LE)
The boiler has not any reaction for the request of heating
(room thermostat) and doesn't heat the system. The
boiler accepts only request for service utility water
In case that you use the room thermostat in your heating heating and work like in the point 2.3.2 operation mode
system the regulation of heating water temperature is Service utility water.
controlled similar till the moment when the request for
heating is terminated (the temperature set on the room
thermostat is fullfiled and the room thermostat is switch
off).
12
9
4
55
6
1 - boiler
4 - heating system
5 - shut off valve
6 - filter
9 -room thermostat
1 - boiler
2 - storage water tank
3 - 3ways motoric valve
4 - heating system
5 - shutt of valve
6 - filter
7 - back flap
8 - treatment of water
9 - room thermostat
11 - consumption place
12 - safety valve
13 - expansion vessel
15 - storage tank sensor
M
AB
A B
13
2
3
4
56
7
8
9
11
12
55
5
5
15

Setting /termination of mode LE: the buttons , and choose the number of parameter
Reduce the temperature requested on the control panel you want to set. By pushing you are able to set the
by pushing the button to 30° C and after next pushing value of the parameter. By its confirmation, by pushing
on the display there is LE, confirm it and you are the new value of the parameter is now in memory
now in the mode Summer. and the boiler turns back to the mode before setting
If you don't confirm your setting by pushing , the boiler with new parameters set by the user.
turns to setting before.
Stop the operation mode summer by pushing and by The user is able to set only parameters 1 4.
setting the heating water temperature and by its Parameters 5 7 could be set only by an authorized
confirmation . The boiler heats now in the operation service man or by a producer and are blocked.
mode heating water (see the point 2.3.1). Description of parameters:
Пl - option of pump type running out after termination of
2.3.4 Operation mode Stand-by (РГ)request for heating.
The boiler doesn't heat and also doesn't heat service †0 - there is not and pump running out, the pump is
utility water. There is only the antifreeze function on (if it switched off with a last heating element
is not blocked by the parameter 4) and deblocking pump †1 - pump running out is controlled by the parameter 2
function (1x per day pump turning through). We set and after termination of request for heating the time
is counting down till switching off the pump
recommend using this function in case of putting the
†2 - pump running out is controlled by the temperature
boiler out of the operation to elongate pump life time and of heating water set by the parameter 3 and after
protect heating system against freeze. termination of request for heating the pump is on till the
temperature of heating water fall down on the
Going to the operation mode Stand-by: (РГ): temperature value set.
Push the button for a long time (minimally 3 s, during П2 - setting of time of pump running out after
this period on the display there is lighting Пl) and the termination of request for heatingí.
boiler got to the operation mode Stand-by, on the display П3 -setting of temperature of heating water that the
now there is lighting РГ. If you want to go back to setting pump is in operation in after termination of request for
point, push shortly the button . heating.
П4 - ON/OFF antifreeze function (see the chapter safety
2.4. Setting of boiler parameters functions).
Summary of parameters: П5 - setting of the value of regulating constant P, setting
only by a producer!
Setting of parameters:It is necessary to push П6 - setting of the value of regulating constant I, setting
shortly the button for setting all the parameters only by a producer!!
(operation mode of heating water, operation mode of П7 - setting of hysteresis for the temperature in ° C
service utility water or operation mode Summer. Using
13
parameter specification value setting
scale
producer
setting unit responsible person for setting
Π1
pump running out:
0=none; 1=time running out;
2=temperature running out 0, 1, 2 1 - user
Π2time of pump running out 1 to 30, step 1 4 min. user
Π3temperature of pump running out 25 to 70,step 1 40 °C user
Π4antifreeze protection: 0=NO; 1=YES 0, 1 1 - user
Π5regulation constant P 1 to 20 6 - producer
Π6regulation constant I 1 to 50 3 - producer
Π7temperature hysteresis 1 to 10 2 °C authorized service man.

†ČSN 07 0240:1993 - Water and low pressure steam
requested (difference between the temperature of boiler boilers basic rules
when the boiler start to heat and the temperature
†ČSN 07 7401:1992 - Water and steam for heating
requested) setting only by an authorized service man!! energetic equipments
Notice: If you increase hysteresis you can reduce the
†ČSN 33 1310:1990 - Electrotechnical rules. Safety
number of cycles during relays switching on/off and rules for electric equipments used by person without
elongate their lifetime. electric qualification
†ČSN 33 2000 -… Electrotechnical rules.
E - Go back to the production setting
†ČSN 33 2130:1985 - Electrotechnical rules. Inside
†If you have set wrong parameters than it is possible for electrical distribution system.
you to go back to the production setting. Values of
†ČSN 33 2180:1980 - Electrotechnical rules, connection
parameters will be according below mentioned table: of electric appliances.
Going back to the production setting steps:
†ČSN EN 50110-1:2005 - Service and work with
† switch off the boiler by main switcher electrical appliances
†push in the same time the buttons †ČSN EN 55014:2001 -Electromagnetic compatibility
†switch on the boiler by main switcher in the same time requirements for home appliances, electric tools and
as you hold pushing the buttons till the similar appliances.
moment when on the display there is E lightingí E†ČSN EN 60335-1+A55:1997 - Safety of home electric
†release the buttons and now the boiler is set according appliances and for similar purposes.
to the production setting. †ČSN EN 61000 -…Electromagnetic compatibility
(EMC)
2.5. Breakdowns, defects †Law No. 22/1997 Technical requirements for
products
In case that the boiler is broken then on the display there †Government direction No. 178/1997 defined
is E blinking with the number of the breakdown. technical requirements for construction products +
List of breakdowns: enclosure No. 1 basic requirements.
†Notice No. 48/1982 basic requirements to assure
labour protection and safety of technical equipments
3.2 Placement of the boiler in the
room
Room where the boiler will be placed and mounted on
the wall has to be in accordance with normal
environment AA5/AB5 according to ČSN 33 2000 3.
It is not allowed for boilers to be installed in bathrooms,
wash rooms, shower rooms in place 0, 1, 2, 3 according
to the rule ČSN 33 2000-7-701.
Concerning fire protection and safety the rule ČSN 06
1008 is valid and there is stated minimal distance from
flammable objects.
We recommend enlarging these distances to have
Breakdown of the boiler has to be minimal space for easier service and manipulation:
repair only by professional person!
In case that you have a - 500 mm from the front side
defect/breakdown and it is necessary - 600 mm from the top
to repair it only by an authorized - 200 mm from the side
service man, don't try to repair the
boiler by yourself.
Attention There is threat of casualty 3.3 Mounting of the boiler on the
by electric current. wall
Mounting is carried out by 2 screws or hooks which the
3. Installation boiler is hanged on through 2 inlets with spacing of holes
3.1 Norms and regulations 280 mm on the frame of the boiler.
For safety operation, projection, mounting, operation
and service of boiler is valid below mentioned norms and 3.4 Electroinstallation
regulations: 3.4.1 Boiler connection to electric supply net
†ČSN 06 0310:2006 - Heating systems in buildings For boiler connection to electric supply net it is
projection and mounting. necessary for user to have a license from the local
†ČSN 06 0830:2006 - Heating systems in buildings energetic distribution organization. Boiler input is not
safety and protection equipment allowed to be bigger than the input stated in the license.
†ČSN 06 1008:1998 - Fire safety of heating appliances
14
breakdown
marking specification repair breakdown reset
E1
Temperature of heating
water higher than 99° C,
or temperature sensor is
broken (for example short
Call your service man Automatically
circuit)
E2
Overheated – the boiler
is out of operation
through the emergency
thermostat.
Remove the blocking of
Call your service man
the emergency
thermostat (it is
necessary to know the
cause of overheating)
E3
Lost of pressure –
pressure of heating
Check the tightness of
system decreased
heating system and fulfill
water to have pressure Automatically
higher than 0,4 bar.
00
Disconnected or invalid
temperature sensor or
If temperature is not
temperature below 0° C
increasing, call your
service man.
Automatically

loose parts in the heating water to avoid paralysation of
Before mounting of the boiler it is necessary to be regulation and safety function components,including the
installed supply electric cable with main switcher and pump.The boiler has to be installed in opened or closed
with over current circuit breaker including starting heating system according to the normative conditions
inspection revise and to have confirmed application for (overpressure of heating system,maximal volume of h.
electric power take-off. The boiler could be used for underfloor heating, minimal
Electric boilers are ranged in appliances continuously temperature of heating water is 30 °C. The boiler has not
connected to electric circuit of network voltage. In the fix equipped by the sensor of maximal temperature of
supply cable of the boiler there has to be in-built main heating water for underfloor heating.
switcher with distances of all disconnected cables min. 3
mm. The boiler is connected by corresponding cables to Using of defrost mixture
switch board X1 according to the diagram 1.7. Inlet of We don´t recommend to use defrost mixtures due to
cables through the cover of boiler is carried out with their characteristics, some of them are not convenient
bushing. The bushing PG21 is for main supply inlet of the for the boiler operation, concretely reducing of heat
boiler. Other bushings PG9 are for other signals room transmission, big volume elasticity, ageing, breakdowns
of rubber parts. It is necessary to think about to use them
thermostat, 3ways valve. inevitable. Regarding inevitable situation it is allowed to
use the defrost mixture Alicol Termo according to
Recommended size of circuit breaker and diameters of experience of the producer that the boiler operation is
conductors: not reducing.
If you are not able to use this defrost mixture and you will
protect your heating system with another defrost mixture
then guarantee claim will not be accepted.
3.6 Expansion vessel
Maximal diameter for switch board connection is
Installation
2
EK 10 mm . Expansion vessel is not assembled in the boiler, it is
necessary to use and mount it separately in the heating
system by professional company. Installation has to be
3.4.2 Installation of the room thermostat carried out on the suction inlet of the pump.
†Connection of the room thermostat is necessary to do Dimension
with twin core cable with recommended diameter from Expansion vessel eliminates dilatability of heating
0, 5 to 1, 5 mm2 with length to 25 m. medium in the heating system; therefore it is necessary
†The cable for the room thermostat is not allowed to be to choose its sufficient volume. Size of expansion vessel
placed in the same way with supply cord or another is specified by the project specialist of heating system
electric or industrial installation. Minimal separation is drawing. You can use for information about minimal
10 mm. volume of expansion vessel below mentioned curve.
†The switch board for the room thermostat connection Curve is depended on temperature gradient 80/60°C a
(24 V) is placed in the left part of the control unit from there are 3 curves for pressures of cold heating system
front face and the second switchboard from the top 0,5, 1 and 2 bars. It is recommended to use the first
with marking TER, the room thermostat has clamps bigger volume of standard expansion vessel for
with bridge from the production. specification of minimal volume of expansion vessel.
Curves are valid on condition that you use safety valve
3.4.3 Installation of 3-ways valve for heating of set on 3 bars.
service utility water in the storage water
†Connection of 3-ways is carried out according to the
diagram 1,7 to the switch board X2. The conductor of
service utility water signal 230 has to be minimally Cu
1mm2 thick. The cable of valve is an accessory = the
part of delivery.
3.5 Heating system
The pipe system of heating system has to be made to
avoid forming of air bubbles and to make easy the
process of deaeration. Dearation valves have to be
placed on each highest heating system place and on all
the radiators. We recommend making the heating pipe
from copper, but also it is possible to use steel or plastic
pipes determined for heating system. Plastic pipes have
to fulfil requests of heating resistance and have not to
15
Type of connection Size of circuit
breaker
Diameter of copper
cable in mm
Diameter of
aluminium cable in
mm
3x230/400 V 3x16 A 3x2,5 3x4
1x230 V 1x40 A 1x6 1x10

water in time of reaching of maximal temperature of
Filling overpressure of expansion vessel heating water.
It is necessary to observe overpressure of nitrium filling
for right function of expansion vessel in cold status of 3.8 Circle pump
heating system according to formula:
Pex = 1,2*Pov (pressure of expansion vessel = The boiler has circle pump with 3 output grades.
†
1,2*pressure of heating water The pump operation is controlled by control unit
†
Overpressure changes of nitrium filling of depended on boiler regulation and safety requests.
expansion vessel could be carried out only by The pump operation is controlled by control unit
†
responsible persons or professional companies. depended on boiler regulation and safety requests.
Time running out of the pump make possible to take
†
away heat accumulated in the boiler body in time of
†User has obligation to assure minimally 1 x per year to switching off the boiler. The effect is decreasing of
operation control and 1x per 9 years pressure control losses, removing of temperature tops, reducing of
built-in expansion vessel or additional independent stone and elongation of boiler life time.
expansion vessel. Time running out of the pump is preset from the
†
production facility according to the point 2.4
Minimal overpressure of heating water
Value of minimal pressure is stated in the table 1.5. The pump is protected against blocking in operation
†
Minimal overpressure has to be signed on the thermo mode Stand-by. (see the chapter Protection
manometer scale by person putting the boiler into functions). If the boiler is for longer time out of its
operation. The overpressure has not to degrease under operation switched off, we recommend you to switch
position marked on the scale. It is necessary sometimes on the boiler sometimes, minimally 1x per month (see
to control and if it is necessary to fulfil filling the chapter protection of function).
overpressure of heating water.
Electric data of the pump
Filling overpressure of heating water
Normally it is observed in case of first filling of heating
system or in case of filling of minimal overpressure fall of
heating water. Filling overpressure is + 0,2 bar higher
than minimal overpressure specified for reason that
temperature off filling water could be to 20°C (water
dilatability).
3.7 Marking of working scale
On the pressure meter placed under the boiler there is
necessary to mark working scale that the pointer of P1 -pump input
pressure meter is moving in. Minimal pressure is marked I - electric current
by responsible person put the boiler into operation by
pressure meter marking.
Maximal margin = maximal overpressure of heating
16
Curves
15
20
25
0
5
10
15
40 60 80 100 120 140 160 180 200
Minimal volume of expansion vessel
Volume of heating system
Dependency of expansion vessel volume and volume of heating system for temperature gradient 80/60°C
Heating system pressure 2 bars Heating system pressure 1 bar
Heating system pressure 0, 5 bar.
Output
grade P (W)
1I (A)
1 50 0,22
2 60 0,27
3 70 0,31

4. Termination of operation 6. Full delivery
Concerning termination of boiler operation carry out
†The electric boiler is delivered assembled.
it by switching off the switcher in the lower part of
the boiler, by switching off the main switcher on the Full delivery of electric boiler consists of:
electric supply feeding. †electric boiler assembled,
†instruction manual,
Service repairs see below mentioned instructions:
†
†guarantee card,
†bushings,
†deaerate valve,
Disconnect boiler from electric supply
†bonding of switch board to electric supply connection
feeding by main switcher and contact 1x 230 V.
your service man!
Accessories whose are not part of the full
Breakdowns of the boiler has to be
delivery:
repair only by professional person!
†conductors for supply connection of boiler and three
ways valve (in case that you have installed the storage
Attention! water tank) and for connection of the room
There is threat of casualty by electric thermostat,
current!
†fixing set.
7. Transport and warehousing
5. Maintenance The boiler is protected by its packaging during
†
Regular maintenance helps you to eliminate possible warehousing and transport. It is necessary to
defects. We recommend you to carry out complete eliminate effects of magnetic and other influences on
maintenance 1 time per year before starting heating the packaging.
system. It is not allowed the taking off the cover. The It is necessary to eliminate concussions and to avoid
†
user is able to clean surface of the cover with detergents slighting out the boiler from the packaging.
and control operation modes or fill heating water to the Manipulate with the boiler and put it into position
system checked by water pressure dawn according to †
the value on the thermomanometer. according instruction marked on the packaging.
Regarding warehousing is necessary to assure
†
The service man during the regular control and standard warehousing conditions (no aggressive
maintenance carry out tightening of all electric environment without dust, temperature from 5° C to
connection, control tightness of all connection and 50° C, humidity to 75 %, no expose to biological
control quantity of water in the heating system, clean the influences, shocks and vibration).
water filter, pump control 3-ways valve control and †
switching relay including starting function of the boiler.
Well, also the control of all safety and switching elements 8. Claims
will be carry out by heating operation and right function If you have functional and face defects on your
†
of heating elements. boilers, please, do not repair it by yourselves.
Please apply your claim by the company which put
†
your boiler into operation or by guarantee repair
companies stated in the list of guarantee place.
Apply condition stated in the guarantee list.
†
17
Working features of the pump Grundfos Cesao 3

Your claim is not valid without fulfilled guarantee list.
†10. Enclosures
10.1 Installation of the room
thermostat, see picture No. 34
9. Way of liquidation
Solid waste recycling
mill board
†
PE bags, polystyrene binding tapes
†
Boiler's recycling after its lifetime according to national
normative waste recycling.
18
Installation of the room thermostat, see picture No. 34

19
10.2. Control unit - diagram
+
+
+
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