Reznor RHC21 4000 Installation, Commissioning, Servicing Download Page 47 | Manualshive

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Reznor, RHC21 4000 Installation EN May 2021 D301334 Issue 0 Page No 47 of 56

9. Parts listing

Description

Part Number

Application

Ignition controller(Brama TC340P)

1031686

4000 range

Spark Probe c/w Lead & Blind Grommet

1031978

All

Flame Sense Probe c/w Lead & Blind Grommet

1031979

All

Ignition transformer

1030638

All

Probe mounting gasket set

1037440

All

Burner face insulation / burner gasket

1037196

4075-09, 4150M18, 4125M15(9)

Burner face insulation / burner gasket

1037194

4050-06, 4125M15(6)

Burner face insulation / burner gasket

1037360

4100-12

Burner face insulation / burner gasket

1037361

4024-05

Burner face insulation / burner gasket

1037362

4036-08, (TBC)

Burner face insulation / burner gasket

1037363

4060-07

Chamber Insulation Kit, A (5)

1037448

4024-05

Chamber Insulation Kit, B(6)

1037449

4050-06, 4125M15(6)

Chamber Insulation Kit, C(7)

1037450

4060-07

Chamber Insulation Kit, D(8)

1037451

4036-08 (TBC)

Chamber Insulation Kit, E(9)

1037452

4075-09, 4125M15(9), 4150M18

Chamber Insulation Kit, F(12)

1037453

4100-12

Lockout reset circuit board

03-25327-01

All

Lockout Reset Switch

60-61998

All

Gas valve lead

1030864

All

Gas Valve

03-25800

4024-05, 4050-06, 4125M15(6), 4060-07,
(TBC for 4036-08)

Gas Valve

03-25801

4075-09, 4125M15(9), 4150M18

Gas Valve

1030499

4100-12

Gas Valve Flange & O-Ring Assy.

03-25137

4024-05, 4050-06, 4060-07, 4075-09,
4125M15, (TBC for 4036-08)

Gas Valve Flange & O-Ring Assy.

03-24976-02

4100-12, 4150M18

Venturi Kit

1037455

4024-05

Venturi Kit

1037456

4036-08 (TBC)

Venturi Kit

1037457

4050-06 & 4125M15

Venturi Kit

1037458

4075-09, 4125M15, 4150M18, 4060-07

Venturi Kit

1030764

4100-12

Premix Burner

1031347

4024-05

Premix Burner

1037264

4036-08 (TBC)

Premix Burner

1030327

4050-06, 4125M15(6)

Premix Burner

1031664

4060-07

Premix Burner

1030136

4075-09,4125M15(9), 4150M18

Premix Burner

1031224

4100-12

Combustion Fan Kit

1037459

4024-05, (TBC for 4036-08)

Combustion Fan Kit

1037460

4075-09, 4125M15(9), 4150M18, 4050-06,
4060-07

Combustion Fan Kit

1037461

4100-12

Manual Reset Limit Stat (LC3)

1031960

All (except 4125M15)

Manual Reset Limit Stat (LC3)

1031959

4125M15

LED Lamp

60-61997

All

Green Neon Lamp

28-50-038

All

Burner wiring harness single

1031639

4024-05, 4050-06, 4060-07, 4075-09, 4100-
12, (TBC for 4036-08)

Burner wiring harness double

1031640

40125m15, 4150M18

Collector Box U - Gasket

1031727

All

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Summary of Contents for RHC21 4000

Page 1: ...out by appropriately qualified persons The manufacturer does not take any responsibility in the event of non observance of the regulations concerning the connection of the apparatus causing a dangero...

Page 2: ...ater OFF for short periods 29 5 13 To turn the air heater OFF for long periods 29 6 Servicing and maintenance 31 RHC21 4024 05 component layout 31 RHC 4036 08 4050 06 4060 07 4075 09 and 4100 12 compo...

Page 3: ...Voltage Directive LVD 2014 30 EU Electromagnetic Compatibility Directive EMC Applicable Standards Applied EN 17082 2019 Domestic and non domestic gas fired forced convection air heaters for space hea...

Page 4: ...ld not be used for closing down the main burner as it switches off the fan prematurely and may damage the heat exchanger invalidating the warranty Important notice to installers Before installation ca...

Page 5: ...igned for use in hazardous atmospheres containing flammable vapours or combustible dust in atmospheres containing chlorinated or halogenated hydrocarbons or in appliances with airborne silicone substa...

Page 6: ...of installation or the country codes and gas categories as shown in this instruction manual it will be necessary to contact the distributor or manufacturer to provide the necessary information for the...

Page 7: ...scribed dimensions see table 8 The inlet temperature measured at the heat exchanger inlet is lower than the value stated on the chart see fig 5 dew point occurrence chart 1 3 Definitions Module The ga...

Page 8: ...Hs G25 3 3 m h 3 17 4 77 6 66 8 41 9 91 13 00 16 58 19 83 Gas Consumption Low Fire Hs G25 3 3 m h 0 95 1 43 2 02 2 43 2 97 4 01 4 90 5 32 Gas Service Connection Inches BSP 1 2 3 4 3 4 3 4 3 4 3 4 11 4...

Page 9: ...Fire G20 kg h 19 79 36 61 43 57 53 10 69 04 98 65 124 27 143 30 Mass Flow Rate Flue Gases High Fire G25 kg h 19 60 35 30 41 86 56 58 70 45 94 32 130 35 147 39 Mass Flow Rate Flue Gases High Fire G25 3...

Page 10: ...igure 1 Side View Figure 1 1 RHC21 4024 05 Figure 1 2 RHC21 4036 08 4050 06 4060 07 4075 09 4100 12 Figure 1 3 RHC21 4125M15 4150M18 1 Gas connection 2 Flue outlet 3 Electrical connection 4 Condensate...

Page 11: ...May 2021 D301334 Issue 0 Page No 11 of 56 3 Dimensions Figure 2 Top View Figure 2 1 RHC21 4024 05 B F G G L H J K Figure 2 2 RHC21 4036 08 4050 06 4060 07 4075 09 4100 12 B G G F L H J K Figure 2 3 R...

Page 12: ...eznor RHC21 4000 Installation EN May 2021 D301334 Issue 0 3 Dimensions Figure 3 Front View Figure 3 1 RHC21 4024 05 Figure 3 2 RHC21 4036 08 4050 06 4060 07 4075 09 4100 12 Figure 3 3 RHC21 4125M15 41...

Page 13: ...543 685 685 685 685 685 685 E 516 492 666 666 667 694 667 667 F 602 602 730 TBA 730 750 730 730 G 23 23 35 TBA 35 25 35 35 H 684 684 1049 1049 1049 1049 1049 1049 J 346 406 346 346 407 408 407 408 K...

Page 14: ...ed at the factory Check the shipping label and data plate to ensure the specification of gas and electrical supplies are compatible Read this document and become familiar with the installation require...

Page 15: ...URO C 4000 R JL EURO C 4000 D JL CONDENSATION POINT 20 C 0 C 20 C 40K 20K 0K T T INLET AIR TEMPERATURE 30K CONDENSATION ZONE AT THE HEAT EXCHANGER 10K TEMPERATURE RISE OVER THE HEAT EXCHANGER Figure 5...

Page 16: ...w as a function of the appropriate heat input 24 33kW 5468 4 6 Compartment dimensions RHC21 H H1 Y Y2 W W1 E RHC4024 05 660 509 684 617 648 653 400 RHC4036 08 938 787 684 617 648 653 400 RHC4050 06 53...

Page 17: ...llation instructions for making joints including connections to the air heater for passing through a building element and for support requirements Gasket sealed single wall seamless aluminium or stain...

Page 18: ...from leaking into the building If the flue passes through a combustible element of the building it must be enclosed in a sleeve of non combustible material and separated from the sleeve by a minimum...

Page 19: ...e on natural gas G20 G25 G25 3 Refer to the specifications in section 2 of this document and to the data plate for details of supply pressures A competent and or qualified engineer is required to eith...

Page 20: ...he appliance data plate A unique appliance wiring diagram is supplied as a separate document A constant 230 volt 50 Hertz single phase with neutral link fused electricity supply is required All heater...

Page 21: ...llow instructions supplied with such panels Thermostat s and or temperature sensor s should be mounted on a vibration free surface Room thermostat s sensor s should be mounted about 1 5m above floor l...

Page 22: ...orrect voltage The same result should be obtained by connecting the test leads between live and neutral Connect the voltmeter test leads to N and E A reading of 0V should be obtained If these tests do...

Page 23: ...w run and the burner will automatically light after about 35 seconds The air circulation fan will run within 30 seconds 7 If the installation is new three start up cycles may be necessary due to air s...

Page 24: ...ate clockwise to increase pressure CO2 Refit cap after adjustment 1 Offset adjustment 2 Inlet pressure measuring point 3 CO2 adjustment point throttle 4 Offset pressure measuring point Figure 8 Gas va...

Page 25: ...Fire Throttle G25 3 8 80 8 70 8 80 8 80 8 80 8 60 8 60 8 60 CO G25 3 ppm 50 ppm Throttle Turns from G20 Top Burner N A N A N A N A N A N A 1 5 out 2 25 out Throttle Turns from G20 Single Bottom Burner...

Page 26: ...n the master burner following the commissioning procedure given opposite Once the master burner has been commissioned the slave burner must be commissioned To commission the slave burner the master bu...

Page 27: ...en adjusting the throttle a set number of turns as indicated in the combustion data table If the chamber insulation has been replaced the organic binders will burn off during the first few minutes of...

Page 28: ...the burner will run at the ignition speed for a few seconds to allow the flame to stabilise Following flame stabilisation the fan speed will increase to high fire to allow the heat exchanger to warm u...

Page 29: ...13 To turn the air heater OFF for long periods Adjust the room thermostat to OFF or its lowest setting When the fan has stopped turn OFF the gas supply and then switch OFF the electricity supply to t...

Page 30: ...ior to activation of the ignition device Safety time The safety time is the delay between the gas valve being energised and the flame sensor checking for the presence of a flame This is a period of 4...

Page 31: ...Fan transition plate gasket 3 Blind rivet but 15 Combustion fan 4 Rear panel 16 Venturi fix kit 5 Top bottom panel 17 Gas valve 6 Corner bracket 18 Gas train assembly 7 Collector box assembly 19 Probe...

Page 32: ...pe silicon gasket 29 Control box bracket 41 Burner tube insert 30 Control box assembly with controller 42 Stainless steel elbow 90 31 Thermostat bracket 43 Stainless steel spigot 32 Control box bracke...

Page 33: ...Header panel 14 Corner bracket 3 Burner chamber assembly 15 Gas train assembly 4 50mm tube 16 Thermostat bracket 5 Rear panel 17 Gas train bracket 6 Collector box assembly 18 Nyloc nut 7 Tube support...

Page 34: ...assembly with controller 27 Ceramic paper gasket with adhesive 39 LC3 limit control 28 Silicon foam gasket 40 Clips 29 Combustion fan 41 Ceramic paper gasket with adhesive 30 Gas valve 42 Burner insu...

Page 35: ...x assembly 15 LC3 limit controller 4 Top collector box assembly 16 Clips 5 Brass elbow 17 Tapitscrew 6 Stainless steel 304 tube 18 Gas train bracket 7 Stainless steel 304 spigot 19 U shape silicon gas...

Page 36: ...servicing is recommended When any service is completed be sure that components are reassembled correctly to ensure that no unsafe condition exists Upon completion of the service carry out the commissi...

Page 37: ...ing the combustion fan to the burner 4 Remove the gas valve combustion fan assembly from the unit RHC21 4000 all models except 4100 12 gas valve flange assembly 5 The gas valve can now be disconnected...

Page 38: ...embly 7 Refit gas valve in reverse order ensuring the o ring is fitted between the gas valve and venturi 8 Follow start up and commissioning procedures 7 2 Venturi cleaning and replacement 1 Clean the...

Page 39: ...dure 7 3 Combustion fan cleaning and replacement 1 Follow steps 1 to 4 from gas valve replacement and step 3 from venturi replacement 2 Clean fan body with a lint free cloth and blow any dirt out of t...

Page 40: ...air drying air should not exceed 1 5 bar 8 Replace the burner gasket if necessary 9 Refit in reverse order 10 Follow start up and commissioning procedure 7 5 Burner chamber tube insulation check and...

Page 41: ...The first is located at the front of the chamber where the tubes are secured The second is located on the lower right side of the chamber where the probes are normally located It is recommended that b...

Page 42: ...ket to release the probe mounting bracket 4 Pull probe mounting bracket away from the burner chamber to extract the burner probes 5 The burner probe assembly can now be removed from the heater 6 Revie...

Page 43: ...1 Refit all parts in reverse order 12 Follow start up and commissioning procedure 7 7 Replacement of LC3 safety thermostats 1 Disconnect LC3 electrical connectors 2 Remove LC3 protective cap and lock...

Page 44: ...ontroller 3 Remove program key and refit into new controller 4 Fix new controller to electrical panel and reattach all wiring 5 Follow start up and commissioning procedure 7 9 Replacement of ignition...

Page 45: ...on controller 5 Throttle positioning see commissioning data table 6 Correct program key fitted 7 Gas valve 8 Integrity of appliance ground connection 9 Probe leads connected integrity 10 Flame sensor...

Page 46: ...models 10 and 20 4 Lockout reset switch 5 Heat demand still present CHECK 1 Throttle positioning see commissioning data table 2 Flame sensor probe corroded 3 Flame signal min 1 0 A 4 Flame sensor pro...

Page 47: ...All Lockout Reset Switch 60 61998 All Gas valve lead 1030864 All Gas Valve 03 25800 4024 05 4050 06 4125M15 6 4060 07 TBC for 4036 08 Gas Valve 03 25801 4075 09 4125M15 9 4150M18 Gas Valve 1030499 410...

Page 48: ...eater MUST NOT be controlled by switching the main electrical supply to it ON and OFF The ignition sequence will commence each time the external controls e g Time clock room thermostat etc call for he...

Page 49: ...oses and the air supply to the heater must not be restricted in any way Combustible materials must not be stored adjacent to the heater If at any time a gas leak is suspected turn OFF the gas supply a...

Page 50: ...67 96 4 84 2 92 6 4050 06 51 2 16 5 0 123 0 012 0 001 83 3 88 7 0 0 0 0 66 96 4 84 4 91 6 4036 08 36 2 11 7 0 093 0 018 0 001 82 3 88 6 0 0 0 0 40 97 2 84 8 TBC 4024 05 24 2 7 8 0 040 0 008 0 001 82 5...

Page 51: ...3 91 9 4050 06 51 2 16 5 0 123 0 012 0 001 83 2 88 6 0 0 0 0 48 96 4 84 4 92 4 4036 08 36 3 11 7 0 093 0 018 0 001 82 4 88 3 0 0 0 0 51 97 2 84 6 91 5 4024 05 24 2 7 8 0 040 0 008 0 001 82 6 88 3 0 0...

Page 52: ...4 84 1 91 8 4050 06 51 0 16 4 0 123 0 012 0 001 82 9 88 4 0 0 0 0 54 96 5 84 1 92 0 4036 08 36 4 11 7 0 093 0 018 0 001 82 6 88 4 0 0 0 0 48 97 2 84 7 91 7 4024 05 24 1 7 8 0 040 0 008 0 001 82 3 88...

Page 53: ...ddress Site name Commissioning Engineer Name Gas Safe Reg No Company Name Commissioning Date Burner Fuel type Inlet Pressure mbar Working Pressure mbar Burner Pressure Low Fire mbar High Fire mbar Low...

Page 54: ...Page No 54 of 56 Reznor RHC21 4000 Installation EN May 2021 D301334 Issue 0 Notes...

Page 55: ...Reznor 4000 Installation EN May 2021 D301334 Issue 0 Page No 55 of 56 Notes...

Page 56: ...9707 reznorsales nortek com www reznor eu Nortek Global HVAC is a registered trademark of Nortek Global HVAC limited Because of the continuous product innovation Nortek Global HVAC reserves the right...

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