Output range 17 – 44.5 kw continuous output modulation integrated 110 l hot water tank bear en v e r s i o n xxxx_01 - v.3 2/2007 operation and installation guide 20, 30, 40, 50 klz protherm spol. S r.O. Pplk. Pľjušťa 45 909 01 skalica, slovakia tel.: +421 34 6966 101 fax: +421 34 6966 111 www.Proth...
1 bear 20 (30, 40, 50) klz the boiler’s serial no. Is shown on the plate which is attached to the rear side of the control panel. The control panel is accessible after removing the front cover. In the section “operating instructions” you will fi nd description of the boiler’s main functions and guid...
2 1. The boiler and all the associated equipment must be installed and used in accordance with the installation design, all the corresponding valid legal prescriptions and technical norms and with the manufacturer’s instructions. 2. The boiler may be installed only in an environment for which it is ...
3 the operation guide, service book etc.). If the boiler is not put into operation, the original packaging of the boiler must be available for the potential further transport thereof. Safety of equipment and people • according to the fi ndings of the szÚ brno (national testing institute), the boiler...
4 operating instructions operating instructions controls and signals main switch the main switch (fig. 1, position 7) is used to switch the boiler on or off. The main switch is situated on the right side of the boiler control panel. Caution: the boiler must be put into operation and switched on for ...
5 selecting read mode selecting setup mode setting hot water temperature press the mode button – the diode in the upper left-hand corner of the display fl ashes and the diode in the lower right-hand corner is lit. Use the button to set the required temperature of hot water in the tank. The setting r...
6 equithermal mode setting the equithermal mode, i.E. Selection of the equithermal curve slope and parallel shift of the curve, is possible only in the case that an outdoor sensor is attached to the boiler. Note: if no outdoor sensor is attached, the boiler will not enable the user to transfer to se...
7 v a lid only for connection of outdoor sensor fig. 4 schematic diagram of boiler control.
8 error codes no flame – f1 this signals automatic irreversible blocking of the automatic ignition and closure of the gas valve, i.E. Loss of flame. This blocking occurs always in the mode when the gas valve is open and no feedback signal about the presence of the fl ame is sent. The boiler is switc...
9 starting up the boiler important: putting the boiler into operation and starting it up for the fi rst time must be performed by an authorised service only! If you wish to start the boiler up after it has been put into operation, make sure that: 1 the boiler is connected to the electrical power sup...
10 operation of boiler with equithermal control the boiler regulates the heating water temperature on the basis of outdoor temperature changes. In the case of this type of regulation it is necessary to set the equithermal curve according to the required heating water temperature. It is also necessar...
11 than 85°c. The boiler is switched off when the temperature of the heating water is higher than 90°c (fault f3). Running pump depending on heating water temperature the boiler enables setting running of the pump after a certain selected temperature has been reached. This function can be set only b...
12 professional maintenance of boiler once per year, preferably before the beginning of the heating season, we recommend that the boiler is checked and set by a service organisation. This check is not covered by the boiler’s warranty. The specifi c tasks to be performed are specifi ed in the service...
13 bear 20 klz bear 30 klz category . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ii 2h3p version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 11bs ignition . . . . . . . . . . . . . . . . . . . . . . . . . ...
14 bear 40 klz bear 50 klz category . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ii 2h3p version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 11bs ignition . . . . . . . . . . . . . . . . . . . . . . . . . ...
15 120 290 460 976 607 792 153 730 1385 50 a c 892 869 e connection dimensions of boiler 20 (30, 40, 50)klz type a b c e ød 20 klz 327,5 191 505 177,5 130 30 klz 285 106 505 220 130 40 klz 242,5 21 505 262,5 150 50 klz 285 21 590 305 180 fig. 5 a – hot water input 3/4” b – hot water circulation 3/4”...
16 fig. 6 1. Control panel 10. Backfl ow valve for hew circuit 19. Hot water (cold water) inlet 2. “polo-turbo” superstructure 11. Backfl ow valve for how circuit 20. Filling and discharge 3. Combustion gas collector 12. Gas inlet 21. Burner plate 4. Automatic bleeding valve 13. Heating water outlet...
17 in the case of clogging of the system with dirt from the heating system or incrusta- tion sediments or problems caused by other clogging (e.G. Clogging of the heat exchanger, pump defects) are not covered by the boiler’s warranty. Upon installation and operation of the boiler it is prohibited in ...
18 the boiler is designed for combustion gases to be discharged (via a chimney inlet) with a minimum stabilised thrust of 2 pa. The boiler is connected to the chimney inlet by a fl ue – for the boilers protherm 20, 30 klz with Ø 130 mm, for the type protherm 40 klz with Ø 150 mm and for the type pro...
19 stress on all its elements during operation. In cases where the total quantity of heating water in the closed system exceeds 180 l it is essential to include a second expansion vessel in the system. This vessel must have an identical same construction, i.E. It must be closed, with a membrane. The...
20 content of boiler delivery protherm bear 20 (30, 40, 50) klz boilers are supplied completely assembled and functionally tested. Associated armatures (safety valve and backfl ow clack valve) are enclosed with the boiler for equipment for the hot water inlet, as well as a set of adjustable legs. Th...
21 boiler equipment the boiler protherm 20 (30, 40, 50) klz comprises the following parts: - cast iron boiler body with thermal insulation. - burner plate including gas path and starting equipment, - combustion gas catcher with thrust breaker, - hydraulic construction, - boiler casing with control p...
22 casing this is composed of covers, fi rmly attached to the back wall and side plates, a detachable frontal wall and detachable upper part. The upper part contains a horizontal control panel, and a vertical control panel beneath the upper edge of the detachable frontal wall. Hot water tank this is...
23 installing the boiler in the case of service interventions into the boiler it is unconditionally necessary whenever the boiler is collected to the electrical power source (even when the mains switch of the boiler is off) to abide by the safety prescriptions for operation and work on electrical eq...
24 damage, and must be replaced with new ones before the end of their useful life or before their reliability to meet their nominal parameters (as stated by their manufacturers) is diminished. Properties of heating system and filling the heating system it is necessary to set the temperature of the e...
25 preparing and starting the boiler check the water pressure on the boiler pressure gauge. By opening the gas cock gas is inlet into the boiler. Connect the plug of the fl exible power cord into the socket and press the mains button. The heating and hot water are set to approx. ½ of their volume. I...
26 before commencing setting, when the boiler is switched off (plug of electrical power cord is removed from socket), it is necessary to: - detach the covering (metal) plug (a) - relax the closing screw of the measurement point (2) of outfl ow gas pressure and slide on the tube of the u- manometer (...
27 setting attenuation in heating the parameter “u” appears on the display and the diode fl ashes in the upper left-hand corner. This parameter is used to set the attenuation in the heating system, which depends on the timer switch. In this setting the attenuation interval is identical to the attenu...
28 the boiler is connected to power supply by a three-core fl exible cord with a plug. A fi xed socket through which the boiler is connected to power mains must comply with the provisions of stn 33 2000-4-46. This must always have a protective (earth) contact (pin), reliably connected by a pe or pen...
29 if it is necessary to convert to a different type of fuel (natural gas to propane and vice versa), the boiler is reconstructed in the following manner. This reconstruction may be performed exclusively by a service authorised by the manufacturer. The following are performed: 1. Disassembly of burn...
30 – otherwise this could cause damage (tearing) of “soft-lite”). The red rotating knob underneath the plug has an arrow, which: - if turned in the direction of gas fl ow is at the value max; - if turned against the direction of gas fl ow is at the value min. 7. Checking of the tightness of connecti...
31 electrical dia gram of boiler pr o therm 20 (30, 40, 50) klz fig. 11 combustion gas thermostat g as valve honeywell emergency thermostat power cable blue control panel blue blue black black black blue blue black black red red grey grey blue brown y e llow/ green y e llow/ green y e llow/ green y ...
