Reznor RHC 8000(m) RJL Installation, Comissioning And Servicing Instructions
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Reznor RHC 8000(m) RJL Installation, Comissioning And Servicing Instructions

Reznor RHC 8000(m) RJL Installation, Comissioning And Servicing Instructions

Rhc 8000/8000m series rjl gas-fired, balanced-flue or power-vented unit heater
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®
0503RHC8RJLGBEN
RHC 8000
R JL
(M)
Gas-Fired, Balanced-Flue or Power-Vented Unit Heater
INSTRUCTION DOCUMENT APPLIES FOR:
Installation/Commissioning/Servicing
These appliances meet the following EC Directives
DIR CE 90/396/EEC: GAD
DIR CE 89/336/EEC: EMC
DIR 73/23/EEC: LVD
DIR. CE/89/392/EEC: MD (annex II, sub B)
Please read this document carefully before commencing installation commissioning
and/or servicing.
Leave it with the user or attached to the appliance or gas service meter after installation
WARNING:
Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury,
or death. All work must be carried out by appropriately qualified persons.
Subject to modifications
Reznor U.K. Limited – Park Farm Road – Folkestone – Kent – tel 01303-259141 – fax 01303-850002

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Summary of Contents for Reznor RHC 8000(m) RJL

  • Page 1 Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. All work must be carried out by appropriately qualified persons. Subject to modifications Reznor U.K. Limited – Park Farm Road – Folkestone – Kent – tel 01303-259141 – fax 01303-850002...

  • Page 2: Table Of Contents

    Adjustments A permanent electricity supply of 230 volts, 50 Hz, Air Heater Controls & Operation single phase is required. Options Model RHC 8000(M) RJL heaters are approved for 5.7.1 2 stage burner control 5.7.2 Modureg V7335A 2000 series modulation outdoor or rooftop application.

  • Page 3: Warranty

    (see figure 5). atmospheres containing chlorinated halogenated hydrocarbons atmospheres 2.0 TECHNICAL DATA 2.1 S PECIFICATIONS Table 1 - Model RHC 8000(M) RJL Specifications Gas rate Heat output Minimum Heat Power Heat input modulating output Consumption Model...
  • Page 4 Table 2A : Injector size and burner pressure G20 natural gas - inlet pressure = 17.5 mbar for UK / 20.0 mbar for IE Injector size Burner pressure Model Quantity (mbar) (1) marking 8030 06 8045 09 8050 06 8060 12 8075 09 8075 15 8090 18...
  • Page 5 2.2. M & OUNTING FLANGE MAIN DIMENSIONS Figure 1 : Dimensions RHC 8000(M) RJL (control side) Figure 1a : Figure 1b: Figure 1c: RHC 8000 RHC 8125M, 8150M, 8175M RJL RHC 8200M RJL RJL (not 8125, 8150, 8175, 8200) (n° 59012_01) (n°...
  • Page 6 Figure 2 : Top view Figure 2a: RHC 8000 RJL (not 8125, 8150, 8175, 8200) (n° 59012_02) Figure 2b: RHC 8125M, 8150M, 8175M RJL (n° 59710_02) Figure 2c: RHC 8200M RJL (n° 59706_02 a) 0503RHC8RJLGBEN 6/34...
  • Page 7 Figure 3a : Front view (not 8125, 8150, 8175, 8200) (n° 59012_03) Dimensions Type 8030 06 1244 8045 09 1244 8050 06 1844 8060 12 1244 8075 09 1844 8075 15 1244 8090 18 1244 8100 12 1844 0503RHC8RJLGBEN 7/34...
  • Page 8 Figure 3b : Back side view RHC 8000M RJL (n° 59710_03) Figure 3c: Back side view RHC 8200M DJL (59706 03) Dimensions applicable to model RHC 8000M 8125M.15 1844 8150M.18 1844 8175M.21 1844 8200M.24 1844 0503RHC8RJLGBEN 8/34...

  • Page 9: General Requirements

    2.3 W EIGHTS Type 8030 06 8045 09 8050 06 8060 12 8075 09 8075 15 8090 18 8100 12 Unit Packaging Total Type 8125M.15 8150M.18 8175M.21 8200M.24 Unit Packaging Total turbulent air flow across the heat exchanger resulting in heat 3.0 GENERAL REQUIREMENTS exchanger spots and nuisance shut down of the gas burner due to localized overheating, thus activating thermal over-...

  • Page 10: Compartment Dimensions

    3.4 C OMPARTMENT DIMENSIONS Figure 4 horizontal airflow n° 59018 Table 3b (dim. expressed in mm) Duct channel & controls compartment Model (min) 8030 06 1244 1170 8045 09 1244 1170 8050 06 1844 1770 8060 12 1244 1170 8075 09 1844 1770 8075 15...

  • Page 11: Maximum Airflow Conditions

    The maximum allowable airflow [ through the enclosure 3.5 M AXIMUM AIRFLOW CONDITION (duct channel) around the tubes ] can be calculated as Special attention must be given to ensure that the follows : temperature rise of the air, passing through the enclosure (duct channel) around the heat exchanger tubes, is high ×...

  • Page 12: Combustion Air Supply & Flue System

    Gas Appliance Directive. Figure 6. : General arrangement combustion air inlet and flue products outlet for RHC 8000(M) RJL units 90° bend with seal ring (PN 60 50733 Flue extension, if required ∅...
  • Page 13 ASSURE THE SEALING OF THE COMBUSTION AIR INLET GRILL TO THE CONTROLS COMPARTMENT SIDE PANEL IS WATERTIGHT (n° 59008_03) Figure 8: Controls compartment (side) panel for RHC 8000(M) RJL units HOLE (∅112mm or ∅142mm) REQUIRED TO RECEIVE SEALRING (PN 06 22786 104 or 06 22786 134)
  • Page 14 5/4. the mounting flange of the RHC 8000(M) RJL heat The hole size required for the seal ring in the casing exchanger enclosure are indicated in figure 7 & 8.
  • Page 15 TTENTION Flue pipe requirements for RHC 8125M 15, RHC 8150M 18, RHC 8175M 21, RHC 8200M 24 RJL : To guarantee that the above-mentioned units are air as indicated in the table below. The openings to be working on 91% efficiency, it is necessary to seal a sealed depend whether it concerns a horizontal or number of openings in the inlet grill of the combustion vertical unit.

  • Page 16: Electrical Supply

    Attention : gas service connection Rc 3/4 for models RHC 8000 RJL & Rc 5/4 for models RHC 8000M RJL RHC 8000(M) RJL air heaters are designed to operate on either natural gas (G20) or propane (G31) / butane (G30) gas.

  • Page 17: Installation

    4.0 INSTALLATION 5.0 COMMISSIONING & TESTING 4.1 U Appropriately qualified persons may only carry out the NPACKING AND PREPARATION commissioning and testing. Prior to dispatch, the air heater was operated and tested at This section should be read and fully understood before the factory.

  • Page 18: Gas Connection

    5.3 L IGHTING THE AIR HEATER Caution: Never use a flame for testing for gas RHC 8000(M) RJL air heaters are all fitted with automatic soundness spark ignition systems. When adequate airflow for combustion is proven by an air proving control and a pre- purge period has elapsed, the integral igniter and multi- 5.5 A...

  • Page 19: Air Heater Controls & Operation

    45 seconds (if wired). RHC 8000(M) RJL air heaters are fitted with a pressure sensitive, combustion air safety control that monitors pressure differential of the combustion airflow. The control operates with the settings given in table 4 (settings are for 5.7 O...
  • Page 20 Nomenclature Figure 11 : V 4336A .. Gas valve operator This option may only be used in conjunction with appliances fitted with Honeywell multi-functional gas controls types VR 4601P.. or type V 4600P.. The valve operator V 4336A.. 3/20 for natural gas or V 4336A..4/37 for propane gas may be used to replace the single stage gas regulator already fitted if conversion is being under taken.

  • Page 21: Modureg V7335A 2000 Series Modulation System

    = Propane/Butane gas, outlet pressure range 4,0 - 37,0 mbar Caution: Reznor air heaters must be controlled so that burner start-up takes place in the high fire (100%) mode. Modureg gas pressure regulators require to be powered by a maximum 24 V DC voltage over the range 15 - 165 mA maximum.

  • Page 22: Handing Over

    Figure 12: Modureg V7335A FAULT FINDING “MODUREG” OPERATION : Follow setting procedure for fault finding Minimum or Low Fire unobtainable : Ambient temperature too high in location of regulator max 70°C; Check input voltage to coil, Zero volts is low fire mode, shaft out; Cannot obtain Maximum or High fire : Open circuit to regulator coil;...

  • Page 23: Servicing Instructions

    Reznor RHC 8000(M) RJL air heaters will operate with a Instructions for testing pressure are given in section 5.5. minimum of maintenance. To ensure long life and satisfactory and safe performance, an air heater that is 5.

  • Page 24: Main Burner Injectors

    Figure 13 : 7.3 I GNITION SYSTEM Removing the burner rack/manifold assembly (for clarity, the heater cabinet & other parts are not To access the ignition system, follow steps 1 to 3 in section illustrated). Do not remove the burner box assembly 7.1.
  • Page 25 Figure 14a : View of the Control Compartment RHC 8000 RJL models Legend : 11 Differential pressure point 1. Flame sensor 12 Combination gas valve with pressure regulation LC1 limit control (without reset) 13 Manifold & injectors 3. Electrical wiring panel 14 Ignition electrode 4.
  • Page 26 Figure 14b : RHC 8000M RJL models 1. Flame sensor 11 Differential pressure point LC1 limit control (without reset) 12 Combination gas valve with pressure regulation 3. Electrical wiring panel 13 Manifold & injectors 4. Reset lockout signal lamp 14 Ignition electrode 5.

  • Page 27: Limit Controls

    LIMIT CONTROLS If it is determined that the thermal overheat control needs replacing, use only Reznor authorized replacements that are designed for this appliance. To gain access to the control, open the hinged controls compartment access door. Refer to figure 14 for control locations. The control near the top of the air heater is a disc type control.

  • Page 28: Fault Finding

    8.0 FAULT FINDING 8.1 M "OFF", AIN FAULT FINDING CHART OCKOUT INDICATOR LIGHT IS BUT AIR HEATER WILL NOT OPERATE WARNING: Fault finding may only be carried out by appropriately qualified persons Is the thermostat above room temperature and if Set thermostat above used is the time room temperature &...
  • Page 29 8.2 I "ON" GNITION ONTROLLER OCKOUT INDICATOR IGHT EPEATEDLY OMES WARNING: Fault finding may only be carried out by appropriately qualified persons Is polarity of mains correct? Correct polarity Does the inlet gas pressure agree with the correct the gas supply data badge pressure Wait 15"...
  • Page 30 WARNING: Fault finding may only be carried out by appropriately qualified persons Note : RHC 8000(M) RJL air heaters are equipped with 2 limits (a recycling limit and a manual reset limit). During normal operation, neither limit should trip even if the main electric supply is interrupted during operation.
  • Page 31 8.4 F AULT INDING HART WARNING: Fault finding may only be carried out by appropriately qualified persons Adjust thermostat temperature setting above ambient to energize the fan and the fan solenoid valve Place the Does the fan system in Is there 220-240V operate ? normal at terminals N &...

  • Page 32: Parts List

    9.0 PARTS LISTING Description Type Part number Settings Differential pressure switch S3 (mod. RHC 8000 RJL) Yamatake/Honeywell C6065FH.. 30 60607 ** Differential pressure switch S3 (RHC 8075 15) Yamatake/Honeywell C6065.. 30 60607 130 Differential pressure switch S3 (RHC 8090 18) Huba Control 30 60615 100 Differential pressure switch S3 (RHC 8125M.15)

  • Page 33: Gas Conversion

    4. In the event of difficulties in resolving any of these valve shut down. matters, please do not hesitate to contact Reznor or their 2. Safety against overheating is assured by two overheat official distributor.

  • Page 34: Health & Safety Statement

    12.7 Electrolytic Capacitor 12.3 Declaration Two types are used by random selection: Reznor products contain no asbestos; copper is not Recognition: 1. Plastic enclosure 2. Aluminium employed in gas carrying components; solder which enclosure has a melting point below 450 C is not used; paints...

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8030 068045 098050 068060 128075 098075 15 ... Show all

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