Page 1
• If you cannot reach your gas supplier, call the fire department. — Installation on and service must be performed by a qualified installer, service agency or the gas supplier. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
2.1.5. DIGITECH CS (MIAH402) PARAMETERS TABLE 2.1.6. COMBUSTION BLOWER FREQUENCY/HEAT CAPACITY DIAGRAM 2.2. MAINTENANCE 2.2.7. GENERAL MAINTENANCE WARNINGS 2.2.8. TECHNICAL DATA 2.2.9. TECHNICAL ASSEMBLYTECHNICAL ASSEMBLY 2.2.10. INTERNAL PIPING SCHEMATIC R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 3
2.2.14. ACCESSING THE ELECTRONIC BOARD 2.2.15. SYSTEM EMPTYING 2.2.16. BOILER MAINTENANCE 2.2.17. FAULT SIGNALLING CODES 2.2.18. ACTIVE FUNCTIONS SIGNALLING CODES 2.2.19. CONVERSION TO A DIFFERENT GAS TYPE 2.2.20. POSITIONS OF THE ELECTRODES R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
› (See chap “chapter# name”): this entry indicates another section in the Manual that you should refer to. › Device: this term is used referring to the boiler. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 5
PRODUCT CONFORMITY RADIANT BRUCIATORI spa with reference to ANSI Z21.13-2017 • CSA 4.9-2017 GAS FIRED LOW PRESSURE STEAM AND HOT WATER BOILERS, declares that its gas boilers are professionally manufactured. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
1. INSTALLER SECTION 1. INSTALLER SECTION The installation operations described in this section should be performed only by qualified personnel, having the appropriate technical training in the field for the installation and maintenance of components of civil and industrial domestic hot water production and heating plants.
› The location must be properly vented through Codes, or local codes having jurisdiction. an air vent. Where an exhaust fan or any other air consumption appliance is installed in the same space as the R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
This boiler must be installed in accordance with local codes, if any; if not, follow the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CAN/CSA B149.1, as applicable. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
› Turn the boiler at 90° holding it with your hand (fig. 1-B). › Lift the box (fig. 1-C) and remove the guards (fig. 1-D). fig. 1 R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Ø 1/2” SWEAT A - CENTRAL HEATING SUPPLY Ø 3/4” * A - CENTRAL HEATING SUPPLY Ø 3/4” NPT (*) NOTE: THESE ARE CONNECTION SIZES BEFORE CONNECTION CONVERSION KIT IS INSTALLED. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Remove the jig and drill the wall; Fix the wall bracket using the screws provided. Hang the unit on the bracket. Ø80 Ø125 Ø100 fig. 6 R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
› unscrew the ½” cap A (fig.9); › joint the nipple to the D.H.W. circulating pipe. fig. 9 RC- D.H.W. RECIRCULATING LOOP VR- NON-RETURN VALVE (CHECK VALVE) CIRCULATOR FIXTURES COLD WATER MAINS R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Use pressure gauge “M” (fig. 11) to make sure that the system pressure reaches 1.2 bar (fig. 13); fig. 12 After performing this operation, make sure that the loading tap “R” (fig. 11) is properly closed. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
These deposits could cause a malfunctioning of the trap. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 18
First phase: nitrates and sulphates filtration through active carbons contained in the first part of the carbon site pipe. In the second phase the pH rises. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
If the temperature goes below 14 °F (-10 °C) centigrades, please fill the plant with anti-freeze liquid (CLEANPASS FLUIDO AG cod. 98716LA) and insert and electrical resistances kit (cod. 82259LP). R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
WARNING indicated on the data plate. It is strictly forbidden to use adaptors, multiple plugs and/or extensions for the general power supply of the equipment from the electrical supply. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
· the brown cable to the terminal marked with “L”. After performing these operations, remount plate “A” and the front casing. Note: A 3-prong plug is provide with every unit and the above wiring has been performed. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Ta- Ta contacts and then connect the two non- polarized conductors to the Ta-Ta contacts. After performing these operations, remount plate “A” and the front casing. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 23
TAZ1: ENVIRONMENT THERMOSTAT AREA 1 ORANGE TAZ 2: ENVIRONMENT THERMOSTAT AREA 2 BLACK VZ1: AREA 1 VALVE BROWN VZ2: AREA 2 VALVE LIGHT BLUE VZR: REMOTE CONTROLLED AREA VALVE R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
BH Gas Venting Systems certified to ULC S636. Types of venting configurations for this appliance are, co-axial vent (pipe with in a pipe), co-linear vent (separate pipes for exhaust and combustion R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 25
12 in (30 cm) 12 in (30 cm) soffit located above the terminal within a horizontal distance of 2 ft (61 cm) from the center line of the terminal. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 26
† A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings. ‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Traps, if used, should have pipe slopes not less than 1/4 Exterior wall Exhaust Distance above avg. in/ft [21 mm/m] downwards to the trap. snow fall or grade Ref: CSA B149.1 R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 28
Single vent installations can be either be installed through the wall or through the roof. 3PPS-VKC-N PolyPro 3” x 5” Concentric Termination Vertical 3”/5” (80/125 mm) R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 29
Please refer to figure ‘F’ for through the roof single vent installations. fig. E 12” minimum above average snow fall fig. F 12” minimum Exhaust 12” minimum 12” minimum Intake above average snow fall Roof R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 30
3” X 2” schedule 40 PVC or CPVC bushing until it bottoms out. · Finally use the gear clamp to tighten the first piece of either 3” or 2” pipe to the adapter. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 31
Ø 3.1/4.9 in 3PPC-HKRAD (fig. 21) (Ø 80/125 mm) * Kits must be purchased via Radiant North America for proper kit. Ø2.3 in (Ø60 mm) Ø3.9 in (Ø100 mm) fig. 21 R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 32
The maximum lengths are not including elbows unless otherwise stated. Exceeding the maximum venting distances will cause the appliance to malfunction or cause an unsafe condition. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 33
44 ft (13.4 m) 196116 197117 52CVKGVS6503-44 52CVKGVSF9003-44 4” (100 mm) 36 ft (10.9 m) 196021 197021 52CVKGVS6504 52CVKGVSF9004-36 *Kits must be purchased via Radiant North America for proper kit. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 34
Single Wall Pipe PolyPro 3PPS-E45C Single Wall 45° Elbow PolyPro 3PPS-E90C Single Wall 90° Elbow PolyPro 3PPS-CDC Single Wall Condensate Drain PolyPro 3PPS-TCDC Single Wall Tee w/ Drain Cap R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
1. SUPPORT CENTER SECTION 2. SUPPORT CENTRE SECTION All operations described below relative to first start-up, maintenance and replacement and should be performed only by qualified service technician.
Local and National Laws and Standards in force; › Make sure that the venting and their connections and comply with the requirements of the Local and National Laws and Standards; R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Before repeating the operation, wait at least 5 seconds from the last start-up attempt and unlock the boiler from “E01” error code by pressing the Reset ‘ ’ key. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
‘1’ (fig. 23) of the gas flow adjuster. To increase the CO value, turn the fig. 23 screw counter-clockwise and clockwise if you want to decrease it. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
’with the message ‘P00’, and release the keys ‘ ’ and ‘ ’. fig. 25 Use the keys ‘ ’ and ‘ ’ of the heating circuit to select the parameter to be edited. fig. 26 R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 40
To exit the parameters menu, hold at the same time the keys ‘ ’ and ‘ ’ and wait for the symbol ‘ ’ to appear on the display. fig. 29 R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
1 = REDUCED 77-113 °F (25-45 TEMPERATURE. THE COMPANY ASSUMES NO LIABILITY FOR °C) FOR FLOOR SYSTEMS DAMAGE CAUSED TO PERSONS OR FOR FAILURE TO COMPLY WITH THESE INSTRUCTIONS. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 42
THROUGH THIS PARAMETER YOU CAN SET THE PUMP MULTIPLES OF 5 SECONDS OPERATION DURATION ON THE DOMESTIC CIRCUIT, AFTER THE (PRE-SET AT 18 X 5 = 90 TAP IS CLOSED. SECONDS) R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 43
PA R A M E T E R SET AT 120 HZ) THE VALUE IS PRE-SET BASED ON THE SET POWER (SEE P10 - 203 PARAMETER P00) AND ON THE GAS TYPE (SEE PARAMETER P02). R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 44
SUCH DOMESTIC HOT WATER TREATMENT (AND INFORM THE USERS) TO AVOID UNFORESEEABLE DAMAGES TO PERSONS, ANIMALS, PROPERTY. A THERMOSTATIC VALVE SHOULD BE INSTALLED AT THE DOMESTIC HOT WATER OUTLET TO AVOID ANY BURNS. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 45
(SET BY DEFAULT) BUS INDUSTRIAL INPUT 0-10 V TO SET THROUGH EXTERNAL BUS THE BURNER POWER OR THE DELIVERY TEMPERATURE. 1 = TEMPERATURE CONTROL MODE 2 = POWER CONTROL MODE R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 46
BY MEANS OF THIS PARAMETER, IT IS POSSIBLE TO SET THE DEFAULT) ADDRESS OF THE BOARD ON MODBUS IN ORDER TO PERFORM A CASCADE SYSTEM. 1 - 16 BOILER NUMBERING MODBUS R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 47
0 = 86-167 °F (30-75 °C) 1 = STANDARD RESET FUNCTION 86-140 °F (30-60 °C) WITHOUT OUTDOOR TEMPERATURE SENSOR OR 86-167 °F (30-75 °C) WITH OUTDOOR TEMPERATURE SENSOR (SET BY DEFAULT). R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 48
OPERATION OF THE CIRCULATING PUMP. SHOULD THE PUMP NOT RUN CORRECTLY, THIS PROTECTS THE HEAT EXCHANGER, AS WELL THE OTHER PARTS THAT MIGHT BE AFFECTED BY THE UN-DISSIPATED HEAT. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
WATER LINE Natural Propane Note: The frequency would change based on vent length. See section ‘1.1.21 TABLE 1: ALLOWABLE VENT LENGTHS’ for change on frequency with feference to vent lengths. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
› check the integrity and the position of the sealed chamber sealing gasket; › check the flow and temperature of domestic hot water. › check the primary exchanger, if necessary, clean R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
14. AIR SUCTION TUBE 15. INDIRECT TANK 16. IGNITION TRANSFORMER 17. AIR PRESSURE SWITCH 18. PROPORTIONAL VENTURI 19. GAS VALVE 20. BY-PASS 21. TANK DRAINING TAP 22. WATER PRESSURE SWITCH R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
› The RED color (with C-A) indicates the operation in the Domestic Hot water mode. › The BLUE color (with C-B) indicates the operation in Heating mode. fig. 34 R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
› remove the fastening screws (2 - fig.36) placed fig. 36 on the side panel; › grab the bottom of the panel and remove it by moving it sideways and then pulling it upwards (see fig. 36). R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
(fig. 37) loosening them and turn the panel downwards; › unscrew the four fastening screws 1 - fig. 37; › remove the crankcase pulling it upwards. fig. 37 R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
‘RB’ (fig. 38) › open all cold and hot water taps; › after completing all operations, close the cylinder draining tap ‘RB’ (fig. 38) and all previously opened water taps. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
‘V’ (fig.39) situated on the top of the boiler. If during this operations there is a water leak, the anode has to be replaced because worn. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
CHECK VENTING, CHECK CABLE, TRIPPED REPLACE PART WITH FLAME LIGHT UP REVERSE POLARITY; PROPERLY CONNECT THE POWER SUPPLY; IONIZATION ELECTRODE REPLACE IT; BROKEN; IONIZATION ELECTRODE CHECK THE WIRING. CABLE DISCONNECTED. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 62
PROBE CONNECTOR. RETURN PROBE BROKEN OR INCORRECTLY REPLACE IT; AUTOMATIC. CALIBRATED PROBE (RESISTANCE VALUE 10 KOHM AT 77°F (25 °C) NTC); DISCONNECTED OR WET CHECK THE WIRING. PROBE CONNECTOR. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
Page 63
SUPPLY VOLTAGE OUT OF CHECK THE POWER SUPPLY LINE (THE AUTOMATIC. THE OPERATION RANGE. ERROR DEACTIVATES AUTOMATICALLY AS SOON AS THE SUPPLY VOLTAGE FALLS BACK WITHIN THE REQUESTED LIMITS). R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
IT CAN ALSO ACTIVATE DURING NORMAL BOILER OPERATION, IF THE WATER PRESSURE SWITCH CONFIRMATION IS MISSING, WHEN THE CONTACT IS RE-CLOSED, A 2 MINUTES RELEASE CYCLE WILL BE PERFORMED. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
(see 2.1.5 and 2.1.4 ‘DIGITECH CS PARAMETERS TABLE’ and ‘ACCESSING AND PROGRAMMING THE PARAMETERS’); › adjust the CO2 combustion value as indicated in 2.1.3 ‘CO2 VALUE CHECK AND CALIBRATION’. R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...
If the boiler does not restart, check the positions of the electrodes (especially the ignition electrode). LIGHT UP ELECTRODE DETECTION ELECTRODE 0.16" (3mm) LIGHT UP ELECTRODE LIGHT UP ELECTRODE DETECTION ELECTRODE fig. 43 R2KA 24 /20 - RAD - ING - Inst.Manual - 2002.1_CSA...