STOKVIS ENERGY SYSTEMS R601, R602, R603, R605, R606 Installation, Operation & Maintenance Manual

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Stokvis R600 LMS Boiler
Gas-Fired
Floor Standing
Condensing
Installation, Operation & Maintenance
Manual
96R Walton Road East Molesey Surrey KT8 0DL Tel: 020 8783 3050 / 0870 7707747 Fax: 020 8783 3051 / 0870 7707767 E-Mail: [email protected] Website: www.stokvisboilers.com
420010567300 12/2013
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Contents
Contents .................................................................. 3
Safety General regulations ................................... 4
Application ................................................. 4
Norms and regulations .............................. 4
Construction Layout of boiler .......................................... 5
Operating principle .................................... 5
Technical data .................................................................. 6
Extent of delivery Standard boiler .......................................... 8
Accessories ............................................... 8
Installation Boiler transport .......................................... 9
Removing the casing ................................. 10
Boiler installation ....................................... 11
Connecting the boiler ................................ 12
Wiring diagram - Boiler .............................. 14
Wiring diagram - Accessories .................... 16
Commissioning Water and hydraulic system ...................... 18
Gas supply ................................................ 19
Condensate connection ............................. 19
Flue and air intake connections ................. 19
Prepare boiler for first startup .................... 20
Combustion analysis ................................. 20
Check water flow ...................................... 22
Check functionality of safety devices ........ 23
Gas tightness check .................................. 23
Boiler shut down ........................................ 23
Commissioning protocol ............................ 24
Operating instructions Controls .................................................... 25
Display / Programming .............................. 26
Overview of main functions ....................... 27
Maintenance Checklist .................................................... 28
Replacing the electrodes ........................... 28
Cleaning the condensate receptacle ......... 29
Cleaning and refilling the syphon .............. 29
Inspection of combustion chamber ............ 29
Water pressure and quality ....................... 30
Water flow rate .......................................... 30
Combustion analysis ................................. 30
Gas pressure ............................................. 30
Gas tightness check .................................. 30
Safety devices ...........................................
Maintenance protocol ................................ 31
Lockouts .................................................................. 32
Sensor values .................................................................. 35
Declaration of Conformity .................................................................. 36
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Safety
General regulations Application Norms and regulations
General regulations
This documentation contains important information, which is a base for safe and reliable installation, commissioning and operation of the R600 boiler. All activities described in this document may only be excecuted by authorized companies.
Changes to this document may be ef­fected without prior notice. We accept no obligation to adapt previously deliv­ered products to incorporate such changes.
Only original spare parts may be used when replacing components on the boiler, otherwise warranty will be void.
Application
The R600 boiler may be used for heat­ing and hot water production purposes only. The boiler should be connected to closed systems with a maximum tem­perature of 100ºC (high limit tempera­ture), maximum setpoint temperature is 90ºC.
Norms and regulations
When installing and operating the boil­er, all applicable norms (european and local) should be fulfilled:
Local building regulations for in-
stalling combustion air and flue gas systems;
Regulation for connecting the boiler to
the electrical appliance;
Regulations for connecting the boiler
to the local gas network;
Norms and regulations according to
safety equipment for heating systems;
Any additional local laws/regulations
with regard to installing and operating heating systems.
The R600 boiler is CE approved and applies to the following European standards:
 92 / 42 / EEC
Boiler efficiency directive
 2009 / 142 / EEC
Gas appliance directive
 2006 / 95 / EEC
Low voltage directive
 2004 / 108 / EEC
EMC directive
EN 656
Gas-fired central heating boilers – Type B boilers of nominal heat input exceeding 70 kW but not exceeding 300 kW
EN 15420
Gas-fired central heating boilers ­Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1000 kW
EN 15417
Gas-fired central heating boilers ­Specific requirements for condensing boilers with a nominal heat input greater than 70 kW but not exceeding 1000 kW
EN 13836
Gas fired central heating boilers ­Type B boilers of nominal heat input exceeding 300 kW, but not exceeding 1000 kW
EN 15502-1
Gas-fired central heating boilers ­Part 1: General requirements and tests
EN 55014-1 (2000)
Electromagnetic compatibility - Re­quirements for household appliances, electric tools and similar apparatus ­Part 1: Emission
EN 55014-2 (1997)
Electromagnetic compatibility - Re­quirements for household appliances, electric tools and similar apparatus ­Part 2: Immunity - Product family standard
EN 61000-3-2 (2000)
Electromagnetic compatibility (EMC) ­Part 3-2: Limits - Limits for harmonic current emissions (equipment input current 16 A per phase)
EN 61000-3-3 (2001)
Electromagnetic compatibility (EMC) ­Part 3-3: Limitation of voltage chang­es, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current 16 A per phase and not sub­ject to conditional connection
EN 60335-1 (2002)
Household and similar electrical appli­ances - Safety - Part 1: General re­quirements
EN 60335-2-102 (2006)
Household an similar electrical appliances: Particular requirements for gas, oil and solid-fuel burning ap­pliances having electrical connections
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Construction
Layout of boiler Operating principle
1 5 4 2 7 6
3 8 12 9 10
14 22 23 18, 19, 20, 21 25
Layout of boiler
The R600 boiler consists of the follow­ing main components:
1 Casing 2 Front panel 3 Adjustable feet 4 Control panel (below cover) 5 Flue gas connection 6 Air intake connection (under casing) 7 Gas connection 8 Flow water connection 9 Return water connection 10 2nd (hot) return water connection (for split system use), accessory 11 Filling/draining valve 12 Electrical input connections 13 Frame 14 Burner/1st heat exchanger assembly 15 2nd/3rd heat exchanger assembly 16 Water headers 17 Condensate receptacle 18 Whirlwind gas/air mixing system 19 Fan 20 Gas valve 21 Gas pressure switch 22 Sight glass 23 Ignition and ionisation electrodes 24 Syphon 25 Removable flue gas adapter
13 24 15 16 17 11
Operating principle
The R600 is a fully modulating boiler. The control unit of the boiler adapts the modulation ratio automatically to the heat demand requested by the system. This is done by controlling the speed of the fan. As a result, the Whirlwind mix­ing system will adapt the gas ratio to the chosen fan speed, in order to main­tain the best possible combustion fig­ures and therewith the best efficiency. The flue gases created by the combus­tion are transported downwards through the boiler and leave at the back side into the chimney connection.
5
The return water from the system en­ters the boiler in the lower section, where is the lowest flue gas tempera­ture in the boiler. In this section con­densation takes place. The water is being transported upwards through the boiler, in order to leave the boiler at the top (burner) section. The cross flow working principle (water up, flue gas down) ensures the most efficient com­bustion results.
The LMS14 control unit can control the boiler operation based on:
Boiler control (stand alone operation); weather compensated operation
(with optional outdoor sensor);
with 0-10V external influence
(temperature or capacity) from a buil­ding management system.
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Technical data
R601 R602 R603 R604 R605 R606 R607 Nominal heat output at 80/60ºC max/min* Nominal heat output at 75/60ºC max/min* Nominal heat output at 40/30ºC max/min* Nominal heat input Hi max/min* Efficiency at 80/60ºC Efficiency at 40/30ºC Annual efficiency (NNG 75/60ºC) Annual efficiency (NNG 40/30ºC) Standstill losses (T Max. condensate flow Gas consumption G20 max/min (10,9 kWh/m Gas consumption G25 max/min (8,34 kWh/m Gas consumption G31 max/min (12,8 kWh/kg) Gas pressure G20 Gas pressure G25 Gas pressure G31 Maximum gas pressure Flue gas temperature at 80/60ºC max/min Flue gas temperature at 40/30ºC max/min Flue gas quantity max/min* CO
level natural gas G20/G25 max/min % 10.2/9.4
2
level G31 max/min % 11.9/10.0
CO
2
NOx level max/min CO level max/min Max. permissible flue resistance max/min Water volume Water pressure max/min Max. water temperature (High limit thermostat) Maximum temperature setpoint Nominal water flow at dT=20K Hydraulic resistance at nominal water flow Electrical connection Frequency Mains connection fuse IP class Power consumption boiler max/min (excl. pump) Power consumption speed controlled pump (opt) Power consumption bypass pump (optional) Weight (empty) Noise level at 1 meter distance dB(A) 59 Ionisation current minimum µA 6 PH value condensate - 3.2 CE certification code - CE-0063BS3840 Water connections Gas connection Flue gas connection Air intake connection (for room sealed use) Condensate connection
Hz 50
- IP20
% 98.0 98.0 98.0 98.0 99.1 99.1 99.1 % 103.7
= 70ºC) % 0.21 0.18 0.17 0.16 0.15 0.14 0.13
water
l/h 11 15 19 22 30 37 42
mbar 20 mbar 25 mbar 30/50
mg/kWh 35/15
mg/kWh 14/8
l 27 31 35 61 68 75 82
V 230/400
A 16
kg 295 345 400 465 535 590 650
- R2" DN65 PN16
- R3/4" R1" R1" R1" R1.1/2" R1.1/2" R1.1/2" mm 150 150 200 200 250 250 250
kW 145.0/24.5 194.0/41.5 242.0/41.5 291.0/41.5 388.0/80.5 485.0/80.5 550.0/80.5
% 106.8 % 110.4
mbar 50
m
bar 8/1
ºC 90
m
mm 40 40 40 40 40 40 40
kW 142.1/24.0 190.1/40.6 237.2/40.6 285.2/40.6 384.5/79.6 480.6/79.6 545.1/79.6 kW 142.2/24.0 190.3/40.6 237.4/40.6 285.5/40.6 384.9/79.7 481.1/79.7 545.6/79.7 kW 150.4/25.5 201.2/43.1 251.0/43.1 301.8/43.1 402.4/83.6 502.9/83.6 570.4/83.6
3
) m3/h 13.3/2.3 17.8/3.8 22.2/3.8 26.7/3.8 35.6/7.4 44.5/7.4 50.5/7.4
3
) m3/h 17.4/2.9 23.2/5.0 29.0/5.0 34.9/5.0 46.5/9.7 58.2/9.7 66.0/9.7
kg/h 11.3/1.9 15.2/3.2 18.9/3.2 22.7/3.2 30.3/6.3 37.9/6.3 43.0/6.3
ºC 78/61 ºC 56/30
3
/h 238/40 318/69 397/69 477/69 636/134 795/134 901/134
Pa 160/10 160/10 200/10 200/10 200/10 250/10 250/10
ºC 100
3
/h 6.1 8.1 10.2 12.2 16.3 20.4 23.1
kPa 10 18 28 15 27 42 55
W 158/43 200/35 230/35 260/35 470/61 650/61 770/61
W 190/9 190/9 310/12 310/12 470/25 590/25 800/38
W 190/9 190/9 190/9 190/9 190/9 310/12 310/12
mm 130 150 150 150 200 200 200
* min load on gasses G20, G25, G31. For type R602-R607 on gasses G25 (LL)-Gas min value is 15% higher.
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Technical data
Dimension R601 R602 R603 R604 R605 R606 R607
L mm 1105 1260 1470 1220 1435 1585 1735 L2 mm 127.5 127.5 137.5 137.5 187.5 187.5 187.5 H mm 1480 1480 1500 1500 1500 1500 1500 H2 mm 1120 1130 1130 1150 1245 1245 1245 B mm 670 670 670 770 770 770 770 B2 mm 225 235 235 235 215 215 215 B3 mm 260 260 260 310 310 310 310 B4 mm 260 260 260 490 490 490 490 B5 mm 130 130 130 245 245 245 245 D1 mm (Diam.) 130 150 150 150 200 200 200 D2 mm (Diam.) 150 150 200 200 250 250 250 W1 R" / DN R2" R2" R2" DN65 PN16 W2 R" / DN R2" R2" R2" DN65 PN16 G R R 3/4" R 1" R 1" R 1" R 1 1/2"
1 Electrical connections 2 Gas supply 3 Water supply 4 Water return (Cold) 5 Air Intake (under casing) 6 Water 2nd return (optional) 7 Boiler water drain valve 1/2" 8 Flue gas Outlet 9 Condensate drain flexible hose 25mm diam.
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Extent of delivery
Standard boiler Accessories
Standard boiler
A boiler delivery package contains the following components:
Component Pcs. Package Boiler fully assembled and tested 1 Mounted on wooden blocks with wooden border,
sealed in PE foil
Adjustable feet 4 Mounted on frame of the boiler Syphon for condensate connection 1 Cardboard box on top of heatexchanger
(under casing)
Conversion kit for natural gas L and propane incl. instruction 1 Cardboard box on top of heatexchanger
(under casing)
Operation and Installation manual 1 Map attached to back panel of the boiler Spare parts list 1 Map attached to back panel of the boiler Wiring diagram 1 Map attached to back panel of the boiler
Accessories
Additional to the boiler, the following accessories can be ordered:
Standard 3-step pump incl. connec-
tion kit;
Speed controlled pump incl. connec-
tion kit;
Safety valve, manometer and de-
aerator (3,4,5 or 6 bar) incl. connec­tion kit;
2x max. water pressure switch and 1
external high limit thermostat incl. connection kit;
Gas filter incl. connection kit; Max. gas pressure switch; External high limit thermostat incl.
connection kit;
Gas valve leakage tester (not possi-
ble for R601);
2nd Return connection for
Split System use;
Controlled bypass (incl. pump) incl.
connection kit;
Plate heat exchanger (dT=10K/15K or
dT=20K) incl. connection kit;
Low velocity header, suitable for
dT=10K/15K and dT=20K incl. con­nection kit;
Duo header for connecting 2 boilers
in cascade (excl. connection kit);
Extension module AVS75 for heating
zone control or external gas valve and/or room fan control. For each boiler a maximum of 3 AVS75 modules (2x heating zone, 1x ext. gas valve / room fan) can be inte­grated in the boiler;
Additional RVS63 heating zone con-
troller, when controlling more than 2 zones (incl. wall hung box, all neces­sary sensors and sockets and con­nection material for bus communica­tion).
The above accessories are specially designed for the R600 boiler and there­with easy to install (plug and play). By choosing a combination of the kits men­tioned above, you can create your own complete system solution. Ask your supplier for more detailed information.
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Installation
Boiler transport
1 2
Boiler transport
The R600 boiler will be supplied as a complete unit being fully assembled and pre-tested. The maximum width is 670mm for models R601-R603 and 770mm for models R604-R607, which makes it possible to transport all mo­dels through a normal door in one pie­ce. The boiler can be transported with a pallet truck, entering either from the front or from the side. Whenever necessary, the boiler can be dismantled into smaller parts for easier transport inside the building. The table below shows the main dismantled parts with their weight and dimensions.
When the boiler has to be transported with a crane, it is necessary to remove the casing before connecting the boiler to the crane. Always connect the crane to the frame of the boiler by using straps.
3
1 Hoisting belt (4x) 2 Wooden retaining beam (2x) 3 Hoisting belt position (4x)
Component R601 R602 R603 R604 R605 R606 R607
Burner/1st heat exchanger assembly Weight [kg]
Length [mm]
Width [mm]
Height [mm]
2nd/3rd heat exchanger assembly Weight [kg]
Length [mm]
Width [mm]
Height [mm]
Condensate receptacle
Frame
Front U-frame with electronic board Weight [kg]
Weight [kg]
Length [mm]
Width [mm]
Height [mm]
Weight [kg]
Length [mm]
Width [mm]
Height [mm]
Length [mm]
Width [mm]
Height [mm]
86 735 400 321
90 735 400 244
7 589 385 225
15 990 624 335
11 628
1304
202
100 885 400 321
103 885 400 244
9 739 385 225
16
1140
624 335
11
628
1304
202
112
1035
400 321
116
1035
400 244
10 889 385 225
17
1350
624 335
11 628
1304
202
135 735 680 321
150 735 680 244
11 589 665 225
17
1100
724 335
12 728
1304
202
158 885 680 321
170 885 680 244
12 739 665 225
18
1320
724 335
12 728
1304
202
181
1035
680 321
198
1035
680 244
13 889 665 225
19
1470
724 335
12 728
1304
202
198
1185
680 321
219
1185
680 244
15
1039
665 225
21
1620
724 335
12
728
1304
202
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Installation
Removing the casing
1.
Boiler transport
Remove the casing before transporting the boiler, in order to avoid damage to the casing parts during transportation. Removing the casing is done as fol­lows:
4.
2.
3.
6.
5.
10
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Installation
Boiler installation
Boiler installation
The boiler should be positioned in a frost-proof boiler room. If the boiler room is on the roof, the boiler itself may never be the highest point of the instal­lation. When positioning the boiler, please note the recommended minimum clea­rance in the picture. When the boiler is positioned with less free space, mainte­nance activities will be more difficult. Once the boiler is in the correct posi­tion, the wooden blocks (1) should be removed and the adjustable feet (2) (with vibration absorption dampers) should be adjusted to the right height. Water and gas connections should be done after mounting the feet, as they affect the exact height of all connecti­ons.
1
11
2 2
Page 12
Installation
Connecting the boiler
1 3
4 5 6
Connecting the boiler
This chapter will explain how to make all connections to the boiler with regard to:
Hydraulic connections Condensate drain connection Gas connection Flue gas connection Air intake connection
(under casing)
Electrical connection
The boiler should always be connected in such a way, that the system applies to all relevant standards and regulati­ons (European, national and local). It’s the responsibility of the installer to en­sure that all standards and regulations are respected.
8
Hydraulic connections
The boiler should always be connected in such a way, that water flow through the boiler can be ensured at all times. Connect the flow (4) and return (5) con­nection of the system tension free to the boiler connections.
The (optional) 2nd return kit allows the boiler to be used in a system with two return circuits. The common return becomes the low temperature return, the 2nd return connection (6) is the high temperature return.
The (optional) accessory kit with safety valve, manometer and deaerator should be mounted on the flow connection (4) of the boiler, before connecting to the system.
The (optional) pump kit should be mounted directly to the return connection (5) of the boiler, before connecting to the system.
Condensate connection (8) After filling with water, the syphon (included in delivery) should be in­stalled to the connection at the bottom of the condensate receptacle. Lead the hose under the frame at the back of the boiler and connect it to the draining system in the boiler room. The connec­tion to the draining system should al­ways be done with an open connection, in order to avoid a flooding of the boiler in case of a blocked drain.
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Page 13
Installation
Connecting the boiler
1 7 3
2
Gas connection (1)
The gas connection must be made by an authorized installer in accordance with the applicable national and local standards and regulations.
Connect the gas line from the system tension free to the gas connection (1) of the boiler. A gas cock should be mounted directly behind the boiler.
A gas filter can be mounted directly on the gas connection of the boiler.
Flue gas connection (7)
Regulations for the construction of flue gas systems are very different for each country. It should be ensured that all national regulations with regard to flue gas systems are respected.
Connect the flue gas system to the flue gas connection (7) of the boiler, use fluegas systems with seamless connec­tions only. It’s not necessary to make a separate condensate drain for the flue gas system, as the condensate will be drained via the syphon of the boiler. Please note the following issues:
It’s recommended to use stainless
steel or PPS fluegas systems
The diameter of the flue gas system
must be chosen by calculation ac­cording to the national regulations
Construct the flue gas system as
short as possible (for maximum length see planner documentation)
Construct horizonal ways with a mini-
mum angle of 3º
Air intake connection (3)
The air intake can be connected in ca­se of room sealed installation. The co­ver (3) must be disassembled in order to connect the air intake piping to the connector inside the boiler. The diame­ter should be calculated according to the national regulations, together with the flue gas system. The total resistan­ce of both systems should never over­come the maximum permissible resis­tance of the fan inside the boiler (see also chapter: Technical data).
Electrical connection
The electrical connection must be ma­de by an authorized installer in accordance with the applicable national and local standards and regulations.
For the power supply it’s necessary to use a mains isolator switch with a con­tact opening of at least 3 mm within the boiler room. This switch can be used to switch off the power supply for maintenance purposes.
11
All cables should be lead through the cable glant (2) from the back of the boiler boiler into the electro panel (11).
Connect all wires to the terminals according to the wiring diagram of the boiler (enclosed in map attached to back panel of the boiler).
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Page 14
Installation
Wiring diagram - Boiler
Heating circuit 2 Heating circuit 1
Return
temp. sensor
Flow
temp. sensor
Min. gas
Main gas valve
Pressure switch
Room fan
(2A max.)
Mod. feedback
0-10V DC
LPB Bus
Enable
Ext. Setpoint
0-10V DC
Outside
temp. sensor
DHW Thermostat
or
DHW temp. sensor
pressure switch
Common flow
temp. sensor
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Page 15
Installation
Wiring diagram - Boiler
Flue gas
temp. sensor
Lockout
input
Boiler pump /
DHW Pump
230V~ (1A max.)
15
Bypass pump
Page 16
Installation
Wiring diagram - Accessories
Heating circuit 1
Heating circuit 2
Flow temp. sensor
Mixing valve control (0.5A max.)
Heating circuit pump (2A max.)
Flow temp. sensor
Mixing valve control (0.5A max.)
Heating circuit pump (2A max.)
Alarm
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Page 17
Installation
Wiring diagram - Accessories
* Remove jumper when connecting device
STL
Boiler temp.
Max. water
pressure switch
Max. water
pressure switch
Max. gas
pressure switch
Leakage test
Gas valve
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Page 18
Commissioning
Water and hydraulic system
Commissioning of the boiler should be carried out by authorized personnel only. Failure to respect this condition makes the guarantee void. A protocol of the commissioning should be filled out (see end of this chapter for example of commissioning protocol).
Boiler output
[kW] [mol/m3] [ºdH] [ºf]
50 - 200 2.0 11.2 20
200 - 600 1.5 8.4 15
Max. sum of alkaline earths
This chapter explains the commissio­ning of the boiler with the standard boi­ler controller. When an additional sys­tem controller is installed, please refer to its manual for commissioning the controller.
Max. total hardness
Water quality
The system should be filled with water with a PH value between 8,0 and 9,5. The chloride value of the water should not exceed 50 mg/l. Entry of oxygene by diffusion should be prevented at all times. Damage to the heat exchanger because of oxygene diffusion will not be taken under warranty.
In installations with higher water volu­mes, it’s necessary to respect the maxi­mum filling and additional volumes with corresponding hardness values as sta­ted in the german VDI2035 standard. In the table you can find the nominal va­lues for filling and additional water for the R600 according to the the VDI2035.
Concentrate
Ca(HCO3)2
3
ºf Maximum water (re)fill volume V
mol/m
0.5 5 - - - - - - -
1.0 10 - - - - - - -
1.5 15 3 4 5 6 8 10 12
2.0 20 3 4 5 6 6.3 7.8 9.4
2.5 25 1.9 2.5 3.1 3.8 5.0 6.3 7.5
3.0 30 1.6 2.1 2.6 3.1 4.2 5.2 6.3
ºdH
2.8
5.6
8.4
11.2
14.0
16.8
Capacity of installation Q (kW)
150 200 250 300 400 500 600
[m3]
max
Water pressure
Open the valves to the system. Check the water pressure in the system. If the water pressure is too low (see table below), increase the pressure up to at least the minimum required water pressure in the table. Filling can be done via the fill and drain valve (2) on the return connection (1) of the boiler.
The table at the left gives an indication of the relation between the water quali­ty and the maximum water filling volu­me during the lifetime of the boiler. Consult the original text of the VDI2035 for more detailed information.
Hydraulic system
Check if the boiler is hydraulically con­nected to the system in such way, that water flow can be secured at all times during burner operation. The water flow is supervised by dT-measurement across the flow and return connections of the boiler. A lack of water flow will lead to a reduction of power and even­tually a lockout of the boiler.
18
1
2
Minimum operating
pressure
[bar] > 1.5 90 > 1.0 80
Flow tem-
perature
[ºC]
Page 19
Commissioning
Gas supply Condensate connection Flue and air intake connections
Gas supply
Check the gas supply connection to the
1
boiler for tightness. If any leakage is found, reseal the leakage before star­ting the boiler!
Remove any air between the gas valve and the gas line. This can be done at the test point (1) at the gas pressure switch. Don’t forget to close the test point afterwards!
Check the gas type and values with the local gas company, in order to know for which gas type the boiler should be commissioned. Consult the conversion kit instruction if the boiler is to be installed with natural gas L or LPG.
Condensate connection
Remove the syphon (2) from the con­densate connection. Fill it with water and place it back in the original posi­tion. Make sure the syphon is filled
2
before starting the boiler, in order to prevent flue gases dischar­ging through the condensate connec­tion!
Flue and air intake connections
Check whether the flue and air intake systems are made according to the national and local regulations. Installati­ons which don’t comply with the regula­tions, are not allowed to be commissio­ned.
Make sure that all connections are free. The size of flue gas and air intake con-
nections may not be reduced.
19
Page 20
Commissioning
Prepare boiler for first startup
M
H
Legend:
A On/off switch B Return (ESC) C Room temperature control
A
B C D E F
D Confirmation (OK) E Manual mode F Chimney sweeper mode G Info mode H Reset button I Operation mode heating zone(s) L Display M Operation mode DHW
I L
G A
Preparation for first startup
Open the gas supply; Enable the power supply to the boiler; Switch on the boiler with the on/off
switch (A);
Make sure the boiler is in standby
mode (K);
Check the pump operation: make
sure the pump runs in the right direction;
Release all air from the pump motor.
It‘s recommended to put the boiler on 50% load after the first startup, as this is the best starting point to do a proper combustion analysis. This can be done with the following procedure:
Push button I >3 Sek, the boiler goes
into controller Stopp mode.
Push the Info button (G), the actual
boiler load (%) appears in the display;
Choose „set up“ (confirm with OK
button), now the boiler load can be changed by rotating the wheel (C) and confirming the 50% setting with the OK button.
After checking the combustion values (see next page), the controller Stopp mode can be stopped by pushing the control mode button (I) >3 Sek.
20
Page 21
Commissioning
Combustion analysis
1
R601
2 4
R602 - R607
2 4
Combustion check at full load
Start the boiler in controller stop mode and go to 50% load. Now the boiler operates at 50% load. Allow the boiler to stabilise the combustion for 3 minutes. Then increase the boiler load step by step up to 100%. Check the gas pressure on the inlet of the gas valve while increa-sing the boiler load: the gas pressure should never go below the minimum required value see technical data. Set the minimum gas pressure switch (1) at 75% of the required gas pressure.
Check the combustion settings via the test point in the chimney connection(3). If necessary, correct the settings with the flat adjustment screw on the outlet of the gas valve (2).
Combustion check at minimum load
Switch the boiler to minimum load (0%). Check the combustion settings the same way as described for full load. If necessary, correct the settings with the allen key adjustment screw on either side of the gas valve (4).
Combustion check at 50% load
An additional reference check of com­bustion values at 50% load is recom­mended in order to check if the gas valve is set in such way, that the modu­lating behaviour is normal. The CO value should be in between the settings of full load and minumum load. CO value should be equal to full load and minimum load values.
Make sure that the boiler is set to auto­matic operation and controller stop mo­de is disabled after the combustion test is finished.
2
Combustion settings
for natural gas G20 / G25
R601-R607 CO
R601-R607 CO
R601-R607 CO
% 10.2 ± 0.2
2, max
Combustion settings
for LPG G31
Convert boiler before operation
(see coversion kit instruction)
% 11.9 ± 0.2
2, max
Combustion settings
for natural gas G20 / G25
% 9.4 ± 0.2
2, min
Combustion settings
for LPG
Convert boiler before operation
(see coversion kit instruction)
R601-R607 CO
% 10.0 ± 0.2
2, min
G31
3
21
Page 22
Commissioning
Check water flow
Check water flow
The water flow through the boiler can be checked with two different methods shown below.
∆T measurement
Check the temperature difference over the boiler (T flow-return) when the boiler is running on 100% load. The nominal T is 20K and must be at least between 15K and 25K for secure boiler operation. An indication of the actual flow rate can be found with the follo­wing calculation (see table below for nominal data):
q
actual
= (T
nominal
/ T
measured
) * q
nominal
[m3/h]
∆p measurement
Check the pressure difference over the boiler (p flow-return) when the boiler pump is running (burner on is not requi­red). The nominal p for each boiler type can be found in the table below, actual p must be within:
0.64*p
P 1.77*p
nom
nom
. An indication of the actual flow rate can be found with the following calculation (see table below for nominal data):
q
actual
= (p
measured
/ p
nominal
) * q
nominal
[m3/h]
Water flow data R601 R602 R603 R604 R605 R606 R607 Nominal flow rate [m
3
/h] 6.1 8.1 10.2 12.2 16.3 20.4 23.1
T at nominal flow rate [ºC] 20 p at nominal flow rate [kPa] 10 18 28 15 27 42 55
22
Page 23
Commissioning
Check functionality of safety devices Gas tightness check Boiler shut down
1 2 3
5 4
6
Check functionality of safety devices
All safety devices have to be checked on good functioning. Safety devices on a standard boiler are a water flow tem­perature sensor, fluegas temperature sensor, minumum gas pressure switch and ionisation electrode. These devices can be checked as described below.
Flow temperature sensor (1)
Disconnect the plug from the sensor while the boiler is switched on. This should result in a lockout no. 20. The lockout should disappear as soon as the plug is placed back in position, the boiler will restart.
Return temperature sensor (2)
Disconnect the plug from the sensor while the boiler is switched on. This should result in a lockout no. 40. The lockout should disappear as soon as the plug is placed back in position, the boiler will restart.
Flue gas temperature sensor (3)
Disconnect the plug from the sensor while the boiler is switched on. This should result in a lockout no. 28. The lockout should disappear as soon as the plug is placed back in position, the boiler will restart. .
Minimum gas pressure switch (5)
Close the gas cock when the boiler is in standby position (
point on the gas line (4) while measur­ing the gas pressure on the test point of the gas pressure switch (5). The boiler will go in lockout no. 2 when the switch off setting is achieved. Close both test points and open the gas cock.
K). Open the test
Ionisation electrode (6)
Remove electrical connection from the ionisation electrode while the boiler is running, the boiler will go in lockout no.
128. The boiler will try to restart. With the electrical connection removed, the restart will result in lockout no. 133. When the connection is already mount­ed, the restart will be successful.
Measuring the ionisation current can be done by mounting a multi-meter (set to µA) in between the ionisation elec­trode and its electrical connection. The ionisation current should always be above 1.2 µA, in normal conditions it will be 6 µA and above.
Gas tightness check
Check the gas tightness of all sealed connections with an approved soap or electronic gas analyzer, for example:
Test points Bolt connections Gaskets of mixing system, etc.
Boiler shut down
When the boiler will not be used for longer periods, shut down the boiler by following procedure:
Switch the boiler in standby operation
(K)
Switch off the boiler with the on/off
switch (7)
Disable power supply to the boiler by
deactivating the mains isolator switch in the boiler room
Close the gas supply to the boiler.
7
23
Page 24
Commissioning
Commissioning protocol
Commissioning Protocol R600
Project
Boiler type Project Serial number Address Year City Nominal load (Hi) [kW] Date Nominal output (Hi) [kW] Engi neer System Water pressure [bar] Installati­Water pH [-] Ground floor
on:
Roof top
Water hardness [dºH] Basement
Water chloride [mg/l] Other: .........................
Water T full load [ºC] Hydrau­Water p
[kPa] Plated heat exchanger
boiler
Water flow [m
lics:
3
/h] Bypass boiler
Low velocity header
Pump setting [-] Other: .........................
Safety devices High limit setting [ºC] Water flow sensor checked Temp. limiter setting [ºC] Fluegas sensor checked Min. gas pressure switch setting [mbar] Ignition time burner [sec] Combustion analysis
Gas consumption [m
100% load 50% load Min. load
3
/h] [m3/h] [m3/h] Gas pressure [mbar] [mbar] [mbar] CO
[%] [%] [%]
2
O
[%] [%] [%]
2
CO [ppm] [ppm] [ppm] NOx [ppm] [ppm] [ppm] T
atmospheric
T
fluegas
T
water, flow
T
water, return
[ºC] [ºC] [ºC]
[ºC] [ºC] [ºC]
[ºC] [ºC] [ºC]
[ºC] [ºC] [ºC] Ionisation current [µA] [µA] [µA] p
[mbar] [mbar] [mbar]
fan
p
[mbar] [mbar] [mbar]
top panel
p
combustion chamber
[mbar] [mbar] [mbar]
Remarks
       
 
24
Page 25
Operating instructions
Controls
M
H
B C D E F
I L
G A
Legend:
A On/off switch B Return (ESC) C Room temperature control D Confirmation (OK) E Manual mode F Chimney sweeper mode G Info mode H Reset button I Operation mode heating zone(s) L Display M Operation mode DHW
Operation mode DHW (M)
For switching on the DHW operation (indication in display below DHW sym­bol)
Operation mode heating zone(s) (I)
For setting 4 different heating modes: Auto (clock): Automatic operation by time programm Comfort (sun): 24/7 heating in comfort mode Reduction (moon): 24/7 heating in reduced mode Standby: heating off, frost protection activated.
Display (L) Info mode (G)
Display possibility of following info without influence on boiler control: temperatures, operation mode Heating / DHW, error code.
Room temperature control (C)
 for changing room comfort tempe-
rature
 for changing settings when pro-
gramming.
Confirmation (OK) (D) Return (ESC) (B)
These buttons are used for program­ming in combination with the wheel.
By pressing the ESC button it‘s possible to go back one level, changed values are not taken over by the controller.
By pressing the OK button it‘s possible to arrive in the next level or confirm changed values.
Manual mode (E)
This button is used for switching the boiler into manual mode. In manual mo­de all pumps will run and the mixing valves are no longer controlled, the bur­ner setpoint is 60°C (indicated by span­ner symbol).
On/off switch (A)
Position 0: Boiler and connected electrical compo­nents are no powered. Frost protection is not secured.
Position I The boiler and connected electrical
components are powered and standby for operation.
Deaeration mode (E)
By pressing the manual mode button longer than 3 seconds, the automatic hydraulic deaeration is activated. During deaeration the system is put in standby mode
The pumps are switched on and off for several times. After deaeration, the boiler automatically returns to normal operation.
Chimney sweeper mode (F)
Used for combustion analysis. By pres­sing the button once again, or automati­cally after 15 minutes, the chimney swee­per mode will be deactivated (indicated by spanner symbol).
Reset button (H)
By shortly pressing the reset button a burner lockout can be cancelled.
25
Page 26
Operating instructions
Display / Programming
Quit menu
Reset
Select
(turn left/right)
DHW mode selection
Heating operation mode selection (Controller Stopp mode when pressing > 3 sec.) Display
Info button Confirm
Manual mode (Deaeration mode when pressing > 3 sec.)
Chimney sweeper mode
Heating to comfort setpoint Info level activated Heating to reduced setpoint Programming activated
Heating for frost protection setpoint Heating temporarily switched off
Process running – please weit ECO function active Burner operating (only oil / gas boiler) Error messages Info level activated Programming activated
Heating temporarily switched off ECO function active
Holiday function active Reference to heating circuit Maintenance / special operation Parameter number
Programming
Press OK (1x)
Enduser
- choose menu
- confirm with OK button
- choose parameter
- confirm with OK button
- change value + - with wheel
- confirm with OK button
- return to main menu with ESC button
- gewünschtes Menü
auswählen
- mit Taste OK bestätigen
- mit Taste ESC zurück zur Grundanzeige
Default mode
(buttons)
Commissioning Expert
- choose user level
- confirm with OK button
- gewünschte Benutzer-Ebene auswählen
- choose menu
- mit Taste OK bestätigen
- confirm with OK button
- gewünschtes Menü auswählen
- choose parameter
- mit Taste OK bestätigen
- confirm with OK button
- mit Taste ESC zurück zur Grundanzeige
- change value + - with wheel
- confirm with OK button
- return to main menu with ESC button
Press OK (1x)
Press INFO (4 sec.)
26
Page 27
Operating instructions
Overview of main functions
Button Action Procedure Display / Function
Set room temperature
Zone 1 and zone 2
Actuate wheel left/right Turn wheel Confirm with OK button or wait 5 sec. or press
Comfort setpoint with blinking temperature Blinking temperature in 0,5 °C steps from 10 to 30 °C
Comfort setpoint saved Comfort setpoint cancelled
- after 3 sec. Main menu appears
= confirmation = cancel, return to main
menu
Activate chimney sweeper
Temporary reduction of
RESET Reset button Press button (< 3 sec.)
Set room temperature for zone 1 or zone 2
Switch on /off DHW ope­ration
Change heating operation mode
Controller Stop mode Press button > 3 sec.
Info display
Operation by manual setpoint
Change factory setting boiler temperature
Deaeration Press button > 3 sec.
mode
reduced temperature on QAA75
Zone 2 independent from zone 1
Actuate wheel left/right Confirm with OK button Actuate wheel left/right Confirm with OK button or wait 5 sec. or press
Press button DHW mode on / off
Factory setting
Press button 1x
Press button 1x again
Press button 1x again
Press button > 3 sec. again Press button 1x
Press button 1x again Press button 1x again …..
Press button 1x Press button 1x
Press button Press button Turn wheel -/+ Press button Press button Press button
Press button > 3 sec. again Press button (< 3 sec.)
Press button again (< 3 sec.) Press button
Press button again
Press button again > 3 sec.
Choose heating zone Heating zone is chosen Blinking temperature in 0,5 °C steps from 10 to 30 °C
Comfort setpoint saved Comfort setpoint cancelled
- after 3 sec. Main menu appears
(see indication below DHW symbol)
- On: DHW mode by time programm
- Off: no DHW operation
- Safety functions activated Automatic mode on, with:
- Heating by time programm
- Temperature setpoint by heating programm
- Safety functions activated
- Summer/Winter automatic switching activated
- ECO-functions activated (see indication below operation symbol) Continuous COMFORT heating on, with:
- Heating without time programm by comfort setpoint
- Safety functions activated Continuous REDUCED heating on, with:
- Heating without time programm by reduced setpoint
- Safety functions activated
- Summer/Winter automatic switching activated
- ECO-functions activated Safety mode on, with:
- Heating off
- Temperature by frost protection
- Safety functions activated
304: Controller Stopp mode insert setpoint
after 3 sec. Main menu appears INFO Segment displayed
- Status Boiler - room temperature
- room temperature minimum
- Status DHW - room temperature maximum
- Status zone 1 - outside temperature
- Status zone 2 - outside temperature minimum
- outside temperature maximum
- Time / Date - DHW temperature 1
- Error indication - Boiler temperature
- Maintenance indication - Flow temperature (Info display depends on configuration) Back to main menu; INFO Segment disappears
Manual mode on (spanner symbol appears)
- Haeting by fixed setpoint (factory setting = 60 °C)
301: Manual mode insert setpoint?
blinking temperature set value
Status boiler
Manual mode off (spanner symbol disappears) 312: Deaeration on
Deaeration off Chimney sweeper mode on
Chimney sweeper mode off Heating by reduced setpoint
Heating by comfort setpoint
Boiler manually blocked, no release Boiler released, Alarm symbol disappears
27
Page 28
Maintenance
Checklist Replacing the electrodes
Maintenance of the boiler should be carried out by authorized personnel only.
In order to ensure continued good and safe operation of the boiler, it should be inspected at least once per year. A maintenance protocol should be filled out (see end of this chapter for example of maintenance protocol).
Checklist
The following activities must be carried out, see following paragraphs for an extensive description of the main activi­ties:
Replace the ignition and ionisation
electrodes;
Clean the condensate receptacle; Clean and refill the syphon; Inspect the combustion chamber,
clean if necessary (only with compressed air and/or vacuum cleaner);
Check the water pressure of the sys-
tem;
Check the water quality of the system
water as well as supply water;
Check the water flow rate through the
boiler;
Check/correct the combustion values
at full and mimimum load with a com­bustion analyzer;
Check the gas pressure to the boiler; Check the tightness of all sealed con-
nections and test points;
Check the functionality of all safety
devices;
Fill out a maintenance protocol.
Replacing the electrodes
The electrodes are positioned on the right hand side of the boiler. Replace the ignition elektrode (1) and ionisation eclectrode (2) as shown on the picture.
2
1
28
Page 29
Maintenance
Cleaning the condensate receptacle Cleaning and refilling the syphon Inspection of combustion chamber
2
1
Cleaning the condensate receptacle
Disconnect the plug of the fluegas
temperature sensor (1);
Remove the internal fluegas pipe (2)
of the boiler in order to create access to the condensate receptacle;
Clean the receptacle (3); Mount the fluegas pipe back in posi-
tion when the cleaning is finished;
Connect the plug of the fluegas tem-
perature sensor.
3
4
Cleaning and refilling the syphon
Remove the syphon (4) from the con-
densate connection;
Clean and fill it with fresh water; Mount the syphon back in the original
position.
Inspection of combustion chamber
The sight glass (5) is positioned on the left hand side of the boiler.
Inspect the combustion chamber by
viewing through the sight glass.
5
Cleaning can be done with water:
Remove the viewing mirror and glass
from the sight glass holder;
Stick a garden hose through the sight
glass holder and rinse the heat exchanger with water;
Reassemble the sight glass.
29
Page 30
Maintenance
Water pressure and quality
Check if the water pressure and quality meet the requirements. Consult the chapter “commissioning: water and hydraulic system” for more detailed information.
Water flow rate
Check if the water flow rate through the boiler is within the limits. Consult the chapter “commissioning: check water flow” for more detailed information.
Combustion analysis
Check the combustion at full load and minumum load, correct the settings if necessary. An additional reference check at 50% load is recommended. Consult the chapter “commissioning: combustion analysis” for more detailed information.
Gas pressure
Check the dynamic pressure of the gas supply to the boiler, when the boiler is running at full load. In case of a boiler cascade, all boilers should be running at full load. See technical data for re­quired values.
Gas tightness check
Check the tightness of all sealed con­nections with an approved soap or electronic analyzer, for example:
Test points; Bolt connections; Gaskets of mixing system, etc.
Safety devices
Check the functionality and the settings of all safety devices connected. Consult the chapter “commissioning: Check functionality of safety devices” for more detailed information.
30
Page 31
Maintenance
Maintenance Protocol
Maintenance Protocol R600
Project
Boiler type Project Serial number Address Year City Nominal load (Hi) [kW] Date Nominal output (Hi) [kW] Engi neer System Water pressure [bar] Water pH [-] Water hardness [dºH] Water chloride [mg/l] Water T full load [ºC] Water p Water flow [m Pump setting [-] Safety devices High limit setting [ºC] Water flow sensor checked Temp. limiter setting [ºC] Fluegas sensor checked Min. gas pressure switch setting [mbar] Ignition time burner [sec] Combustion analysis
Gas consumption [m Gas pressure [mbar] [mbar] [mbar]
[%] [%] [%]
CO
2
O2 [%] [%] [%] CO [ppm] [ppm] [ppm] NOx [ppm] [ppm] [ppm] T
atmospheric
T
fluegas
T
water, flow
T
water, return
Ionisation current [µA] [µA] [µA]
[mbar] [mbar] [mbar]
p
fan
p
top panel
p
combustion chamber
Remarks
[kPa]
boiler
100% load 50% load Min. load
[ºC] [ºC] [ºC]
[ºC] [ºC] [ºC]
[ºC] [ºC] [ºC]
[ºC] [ºC] [ºC]
[mbar] [mbar] [mbar]
[mbar] [mbar] [mbar]
3
/h]
3
/h] [m3/h] [m3/h]
 
31
Page 32
Lockouts
In case of a lockout, a warning symbol ( ) and a flashing error code appears on the display. The cause of a fault should first be determined and eliminated before the boiler is being reset. T he table below shows all possible lockouts with indication of possible cause.
Error
Description of error
code
0 No error 10 Outside temperature sensor error 20 Boiler temperature 1 sensor error 26 Common flow temperature sensor error 28 Flue gas temperature sensor error 30 Flow temperature 1 sensor error 32 Flow temperature 2 sensor error 38 Flow temperature primary controller sensor error 40 Return temperature 1 sensor error 46 Return temperature cascade sensor error 47 Common return temperature sensor error 50 DHW temperature 1 sensor error 52 DHW temperature 2 sensor error 54 DHW primary controller sensor error 57 DHW circulation temperature sensor error 60 Room temperature 1 sensor error 65 Room temperature 2 sensor error 70 Buffer storage tank temperature 1 sensor error 71 Buffer storage tank temperature 2 sensor error 72 Buffer storage tank temperature 3 sensor error 73 Collector temperature 1 sensor error 74 Collector temperature 2 sensor error 82 LPB address collision 83 BSB wire short-circuit 84 BSB address collision 85 BSB RF communication error 91 EEPROM error lockout information 98 Extension module 1 error (collective error) 99 Extension module 2 error (collective error)
100 2 clocktime masters (LPB) 102 Clocktime master without reserve (LPB) 103 Communication error 105 Maintenance message 109 Boiler temperature supervision 110 STB lockout 111 TW cutout 121 Flow temperature 1 (HC1) supervision
Flow temperature 2 (HC2) supervision
122 125 Pump supervision error 126 DHW charging supervision 127 Legionella temperature not reached
128 Loss of flame during operation 129 Fan error or LP error
Flue gas temperature limit exceeded
130
Burner fault
131 132 GP or LP error 133 No flame during safety time 146 Configuration error collective message
32
Page 33
Lockouts
Error
Description of error
code
151 Internal error 152 Parameterization error 153 Unit manually locked 160 Fan error 162 LP error, does not close 164 Error heating circuit flow switch 166 LP error, does not open 171 Alarm contact H1 or H4 active 172 Alarm contact H2 (EM1, EM2 or EM3) or H5 active 173 Alarm contact H6 active 174 Alarm contact H3 or H7 active 178 Limit thermostat heating circuit 1 179 Limit thermostat heating circuit 2 183 Unit in parameterization mode 193 Pump supervision error after flame on 216 Fault boiler 217 Fault sensor 241 Flow sensor solar sensor error 242 Return sensor solar sensor error 243 Swimming pool temperature sensor error 270 Limit function 317 Mains frequency outside permissible range 320 DHW charging temperature sensor error 324 BX same sensors 325 BX / extension module same sensors 326 BX / mixing group same sensors 327 Extension module same function 328 Mixing group same finction 329 Extension module / mixing group same function 330 Sensor BX1 no function 331 Sensor BX2 no function 332 Sensor BX3 no function 333 Sensor BX4 no function 334 Sensor BX5 no function 335 Sensor BX21 no function (EM1, EM2 or EM3) 336 Sensor BX22 no function (EM1, EM2 or EM3) 337 Sensor BX1 no function 338 Sensor BX12 no function 339 Collector pump Q5 not available 340 Collector pump Q16 not available 341 Solar Collector sensor B6 not available 342 DHW sensor B31 not available 343 Solar integration not available 344 Solar controlling element buffer K8 not available 345 Solar controlling element swimming pool K18 not available 346 Solid fuel boiler pump Q10 not available 347 Solid fuel boiler comparison sensor not available 348 Solid fuel boiler address error
33
Page 34
Lockouts
Error
Description of error
code
349 Buffer return valve Y15 not available 350 Puffer address sensor 351 Primary controller / system pump address error 352 Pressureless header address error 353 Common flow sensor B10 not available 371 Flow temperature 3 (heating circuit 3) supervision 372 Limit thermostat heating circuit 3 373 Extension module 3 error (collective error) 349 Buffer return valve Y15 not available 350 Puffer address sensor 351 Primary controller / system pump address error 352 Pressureless header address error 353 Common flow sensor B10 not available 371 Flow temperature 3 (heating circuit 3) supervision 372 Limit thermostat heating circuit 3 373 Extension module 3 error (collective error) 386 Fan speed has lost valid range 388 DHW error no function 426 Feedback flue gas damper 427 Configuration flue gas damper 431 Sensor primary heat exchanger 432 Functional earth not connected 433 Temperature primary heat exchanger to high
34
Page 35
Sensor values
60000 55000 50000 45000 40000 35000 30000 25000
Resistance [Ohm]
20000 15000 10000
NTC 10kΩ temperature sensor
(flow, return, flue gas, DHW and header sensor)
5000
0
-10 0 10 20 30 40 50 60 70 80 90 100 110
Temperature [ºC]
The diagrams show the sensor values for all boiler sensors and optional sen­sors available in accessory kits. The diagrams contain average values, as all sensors are liable to tolerances.
When measuring the resistance values, the boiler should always be switched off. Measure close to the sensor, in order to avoid value deviations.
NTC 1kΩ temperature sensor
(outdoor sensor)
7500 7000 6500 6000 5500 5000 4500 4000 3500 3000
Resistance [Ohm]
2500 2000 1500 1000
500
-20-100 10203040
Temperature [ºC]
35
Page 36
Declaration of Conformity
Declaration of Conformity
Rendamax BV, Hamstraat 76, 6465 AG Kerkrade (NL),
Declares that the product
Is in conformity with the following standards:
And in accordance with the guidelines of directives:
92 / 42 / EEC (boiler efficiency directive)
2009 / 142 / EEC (gas appliance directive)
2006 / 95 / EEC (low voltage directive)
2004 / 108 / EEC (EMC directive)
This product is designated with CE number:
R600
EN 298 EN 656
EN 15420
EN 55014-1 / -2
EN 61000-3-2 /-3
EN 60 335-1/ -2
36
CE – 0063BS3840
Kerkrade, 17-04-2013
A.J.G. Schuiling Plant Manager
Page 37
Page 38
96R Walton Road East Molesey Surrey KT8 0DL Tel: 020 8783 3050 / 0870 7707747 Fax: 020 8783 3051 / 0870 7707767 E-Mail: [email protected] Website: www.stokvisboilers.com
420010567300 12/2013
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