Detroit-radiant-products-company UH Series Manual do Utilizador

Improper installation, adjustment, alteration, service or maintenance can cause property damage, serious injury or death. Read and understand the inst

10UH Series2.0 Safety • Standards, Certifications and Government RegulationsBuilding TypeCodes and GuidelinesPublic GaragesInstallation of this heater

11UH SeriesChart 2.2 • Standard and Code Installation Guidelines • Building LocationChart 2.3 • Standard and Code Installation Guidelines • Building A

12UH SeriesClearance to CombustiblesClearance to combustibles is defined as the minimum distance that must exist between the specified feature of the he

13UH SeriesHigh humidity or saltwater atmospheres will accelerate heater corrosion and reduce useful life. Do not install the heater in locations wher

14UH SeriesHanging the Unit HeaterTo ensure proper operation, the heater must be installed in a level horizontal position. The units are designed to b

15UH Series3.0 Installation • Rotated 180° Installation6 Attach threaded rod to prepared anchoring device. Adjust the threaded rod until the unit is

16UH Series3.0 Installation • Rotating Air Louvers and Service Door Handle • Recommended Mounting HeightsRotating the Air Louvers1 Remove the spring

17UH SeriesGas Supply Installation InstructionsThe gas supply to the unit heater must be connected and tested in accordance with national, state, prov

18UH SeriesRefer to Chart 3.2 for natural gas and Chart 3.3 for propane to determine the cubic feet per hour (CFH) required for the type of gas and si

19UH SeriesChart 3.4 • Maximum capacity for Schedule 40 Metallic pipe, in CFHThe UH Series heater is equipped to receive a gas supply line nipple of ½

2UH SeriesContentsTable of Contents1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20UH SeriesLeak TestingAlways leak test final gas assembly for gas leaks according to the procedures outlined in NFPA 54 and all local codes and/or Sta

21UH SeriesElectrical Requirements and Wiring DiagramsAll field installed wiring to the unit heater must be must be done in accordance with the nationa

22UH SeriesField Wiring Supply VoltageBefore proceeding with electrical connections, ensure that the supply voltage, frequency, phase and current capa

23UH SeriesFigure 3.6 • Field WiringConnect wires together with UL approved wire connectors.Green to GroundBlack to L1White to L2Note: A UL Listed swi

24UH SeriesThermostat ConnectionNOTE: Different thermostats operate according to their particular features. Refer to the thermostat’s specifications fo

25UH SeriesThermostat LocationThe location of the thermostat should be determined by the desired heating requirements and be mounted on an inside wall

26UH SeriesVentingThe UH Series unit heater must be vented as described here to properly direct the flue gases from the unit to the outside atmosphere.

27UH SeriesGeneral Venting RequirementsThe venting system for the UH Series heaters may terminate horizontally through a sidewall or vertically throug

28UH SeriesFigure 3.8 • General Vent RequirementsWhen possible, avoid venting through an unconditioned space. Venting through an unconditioned space p

29UH Series3.0 Installation • Vertical Venting (Category I) • Vent Locations and Clearances Vertical Venting (Category I)An appliance that operates wi

1.0 IntroductionFlame SensorLouversGas ValveHigh Limit SwitchSpark IgniterDirect Spark Igniter BoardFlame Rollout SwitchesDraft InducerPressure Switc

30UH Series3.0 Installation • Rooftop Venting • Horizontal Venting (Category III)Figure 3.9 • Rooftop Venting - Side ViewHorizontal Venting (Category

31UH SeriesVent Locations and Clearances:• Category III venting systems may NOT be common vented, and no other gas units are allowed to be vented int

32UH Series3.0 Installation • Common Venting (Category I) • Common Rooftop VentingCommon Venting (Category I)The common vent system and all attached a

33UH Series3.0 Installation • Concentric Venting • Combustion Air RequirementsConcentric VentingContact the factory for concentric venting requirement

34UH SeriesSeparated Combustion SystemsAll UH Series heaters come with a factory-installed combustion air adapter for attaching air intake ducts to th

35UH SeriesFigure 3.12 • Outside Combustion Air Sidewall Intake - Side View3.0 Installation • Separated Combustion SystemsFigure 3.13 • Outside Combus

36UH SeriesRoom Air Combustion SystemsWhen operating this unit as a room air combustion appliance, the factory installed air intake collar may be remo

37UH SeriesUnit Start-up (Commissioning)Pre-Start Up ChecksVerify that the installation conforms to all of the specifications of the manual, as well as

38UH SeriesVerify Proper Inlet PressureBefore starting up the unit, smell all around the unit heater for gas. Be sure to smell next to the floor becaus

39UH Series13 Remove the pressure gauge tube and the 1/8 inch NPT hose connector.14 Replace the inlet pressure tap plug on the gas control valve.15 L

4UH SeriesInitial Installation Considerations and Pre-ChecksPlacement of the heater is influenced by many factors. Aside from safety factors, considera

40UH Series8 While waiting for the unit to stabilize, observe the characteristics of the flame. The flame should be stable and should not lift fro

41UH SeriesHigh Altitude OperationThe UH Series heater is factory configured for altitudes from 0 – 2,000 ft above sea level. If the unit heater is bei

42UH SeriesChart 3.6 • High Altitude Conversion Kits for Elevations of 4,501 to 7,000 FeetChart 3.7 • High Altitude Conversion Kits for Elevations of

43UH Series4.0 Operation • Sequence of Operation4.0 OperationWARNING!This appliance does not have a pilot ignition. It is equipped with an ignition d

44UH SeriesShutdown Procedures: Set the thermostat to the lowest setting.Turn OFF all electrical power to the appliance if service is to be perfor

45UH SeriesThis page intentionally left blank.

46UH Series4.0 Troubleshooting Guide4.0 Troubleshooting GuideTurn on control device for heat.Does the draft inducer motor turn on?NoYesLimit switch is

47UH SeriesBypassing any switch is intended for testing purposes only. Do not leave switch bypassed during normal operation or the heater’s built-in

48UH Series4.0 Troubleshooting GuideDo the burners ignite?YesContinued from page 46.Do the burners stay lit?YesDoes the air motor fan turn on approx.

49UH Series4.0 Troubleshooting GuideWere the gas lines purged of all air?Does the heater’s gas type match the gas supplied?YesCheck manifold pressure.

5UH SeriesProduct SpecificationsThe UH Series unit heater is a single input warm air heater with an average thermal efficiency of 80%, unless otherwise

50UH Series5.0 MaintenanceTo check gas tightness of the safety shut off valves, turn off the manual valve upstream of the appliance combination contro

51UH Series5.0 Maintenance • Limited WarrantyLimited Warranty Terms and ConditionsOne-Year Limited Warranty. The heaters covered in this manual are wa

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53UH Series5.0 Maintenance • Heater Components and Parts ListChart 5.1 • UH Series Cabinet 1 (UH-30 & UH-45) Parts ListPart No. Description Part

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55UH SeriesChart 5.2 • UH Series Cabinet 2 (UH-60, UH-75) Parts ListPart No. Description Part No. DescriptionCKP_ 57_4 Propane Conversion Kit (UH-60

56UH Series5.0 Maintenance • Kit Contents Check ListChart 5.3 • Kit Contents for UH SeriesLLUH008Room Air Clearance LabelKit Contents Check ListUH Se

6UH Series1.0 Introduction • Safety Labels and Their LocationsSafety Labels and Their LocationsProduct safety signs or labels should be replaced by th

7UH Series1.0 Introduction • Safety Labels and Their LocationsService Access Door View (Inside View) F/N: LLWUH001 - Wiring DiagramF/N: LLUHCL001 For

8UH SeriesRead and understand all safety information and warnings in this manual prior to installation, operation, and maintenance of this unit heater

9UH SeriesApplicationsThis is not an explosion proof heater. This heater may not be used in a Class 1 or Class 2 Explosive Environment. Consult your l