Bananza UHD 75 Installation, Operation & Service Manual Download Page 32

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UHD L

ROFILE

UCT

URNACE

NSTALLATION

PERATION

AND

ERVICE

ANUAL

24 of 47

10.4 UHD[X][S] Series Ladder Wirin

Dia

ram

IMPORTANT:

For field

iring into service j

nction box, or if any of the original

ire s

pplied

ith the heater

st be replaced, it m

st be replaced

ith

iring material having a temperat

re rating of at least 105° C

(221° F) and 600

. For s

pply connections,

se No. 14 AWG or larger

ires.

FLAME

SENSOR

PRESSURE SWITCH

THERMOSTAT CONNECTION

2 1

120 VAC

TRANSFORMER

FLUE BLOWER

GAS VALVE

ELECTRODE

IGNITION
MODULE

FLAME

SPARK

LIMIT SWITCH

LIMIT SWITCH (UHD 300, 350, 400 ONLY)

MANUAL RESET LIMIT SWITCH
(UHD 75 ONLY)

FLUE BLOWER

Summary of Contents for UHD 75

Page 1: ...en placed close to heater Failure to follow these instructions can result in death injury or property damage WARNING Installation must be done by a contractor qualified in the installation and service...

Page 2: ......

Page 3: ...s prendront feu ou exploseront s ils sont plac s proximit de l unit de chauffage Le non respect de ces instructions peut entra ner la mort des blessures corporelles ou des dommages mat riels AVERTISSE...

Page 4: ......

Page 5: ...8 Vent Material 14 7 9 Replacing an Existing Heater in a Venting System 14 SECTION 8 Air Supply 19 8 1 Separated Combustion Installation 19 8 2 Unvented Installation 19 8 3 Building Ventilation 19 8 4...

Page 6: ......

Page 7: ...ented Heater Vertical and Horizontal Vent Termination 15 Figure 10 Standard Vented Heater Common Vertical Vent Termination 16 Figure 11 Separated Combustion Heater Vertical and Horizontal Vent Termina...

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Page 9: ...reasonable use and installed using the best building practices This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of expe...

Page 10: ...zard Label 91010430 Vent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91039806 Installation Label 91010431 Instruction Location Label 91010433 Lighti...

Page 11: ...is Description Part Number Logo Label 91031103 Cut Hazard Label 91010430 Vent Length Label 91039505 Vent to Outdoors Label 91010427 Warning Label 91010429 Rating Plate Label 91039806 Installation Labe...

Page 12: ...ombustibles Affix the tag by peeling off the backing of the adhesive strips on the rear surface and position the tag on a wall near the heater A copy of the wall tag P N 91039832 is illustrated on the...

Page 13: ...ge May be mounted on a shelf of non combustible material using shelf mounting brackets See Page 11 Figure 6 and Page 11 Figure 7 for details Drop rods must be a minimum of 3 8 diameter mild steel Four...

Page 14: ...stibles represents a surface temperature of 90 F 50 C above room temperature Building materials with a low heat tolerance such as plastics vinyl siding canvas tri ply etc may be subject to degradation...

Page 15: ...t be subject to injury by aircraft cranes movable scaffolding or other objects Provisions shall be made to assure accessibility to suspended heaters for recurrent maintenance purposes 5 3 Parking Stru...

Page 16: ...n US and Canada Heaters installed above 2000 610 m must be de rated For installations above 2000 610 m in US consult factory for information on burner de rating For installations from 2000 610 m to 45...

Page 17: ...4 and may not be reversed The air flow must be adjusted such that it is within the acceptable range shown on Page 9 Section 6 1 3 The minimum inlet duct lengths shown on Page 9 Section 6 1 1 should be...

Page 18: ...heater The heater must be installed in a location that is readily accessible for servicing The heater must be installed in accordance with clearances to combustibles as indicated on the wall tag and i...

Page 19: ...Shelf Mounting Bracket Kit 12011002K Wall Suspension Mounting Bracket Kit 12011001K 1 Shelf Mounting Bracket Kit 12011000K 1 Description Part Number Qty Wall Suspension Mounting Bracket Kit 12011001K...

Page 20: ...must have a minimum temperature rating of 480 F 250 C 7 2 1 United States Requirements Vent must terminate at least 3 9 m above any forced air inlet located within 10 3 1 m Vent must terminate at leas...

Page 21: ...ecommended and condensation drains may be desired In noncombustible walls only vent terminal P N 02537801 1P may be used For 4 10 cm vents in either combustible or noncombustible walls use vent termin...

Page 22: ...en the space in which the appliance s connected to the venting system are located and other spaces of the building Turn on clothes dryers and any exhaust fans such as range hoods and bathroom exhausts...

Page 23: ...SECTION 7 VENTING 15 of 47 Figure 9 Standard Vented Heater Vertical and Horizontal Vent Termination Model Vent Diameter Part Number UHD X 75 125 4 10 cm 90502102...

Page 24: ...Common Vertical Vent Termination Requirements Maximum of four heaters can be commonly vented through the roof Heaters must be of the same BTU output Heaters must be controlled by a common thermostat...

Page 25: ...Wall Vent Pipe By Others Seal joint between single wall and Type B vent with silicone sealant Use 3 sheetmetal screws equally spaced around joint Use 3 sheetmetal screws equally spaced around collar...

Page 26: ...nt Termination Separated Combustion Heater Description Part Number Qty Concentric Vent Kit UHVK1 Concentric Vent Box Top Side Assembly 90504113 1 Concentric Vent Box Bottom Assembly 90504112 1 Screw 6...

Page 27: ...tion Air Supply If outside combustion air supply is required separated combustion model UHD X S heaters must be used Caution If the building has a slight negative pressure or corrosive contaminants su...

Page 28: ...is not included in the layout drawing contact the local gas supplier An isolating valve and union connection should be used and fitted into the supply adjacent to the heater A minimum 1 8 NPT plugged...

Page 29: ...SECTION 9 GAS PIPING 21 of 47 Figure 14 Gas Connection...

Page 30: ...1 Part I latest revision 10 1 Positioning Thermostats A room thermostat should be mounted on a vibration free wall or column at a height of approximately 5 1 5 m from the floor to measure the ambient...

Page 31: ...s BLUE BLACK ORANGE ORANGE YELLOW BROWN WHITE WHITE L2 L1 ORANGE ORANGE BLACK BLACK GREEN WHITE BLUE BLACK GREEN BLUE GREEN YELLOW 24 VAC HOT GROUND FLAME BLACK BLACK 6 3 4 2 1 4 5 3 1 SENSE ELECTRODE...

Page 32: ...e heater must be replaced it must be replaced with wiring material having a temperature rating of at least 105 C 221 F and 600 V For supply connections use No 14 AWG or larger wires FLAME SENSOR PRESS...

Page 33: ...ovided with heater Conduit can also be attached directly to heater with wire junction made within the heater cabinet BX Connector Junction Box Flexible Conduit Burner Connect wires together with suita...

Page 34: ...inlet test nipple 11 1 3 Mechanical Checks 1 Check that the flue and air intake for separated combustion units is installed in accordance with the instructions in this manual and local regulations See...

Page 35: ...nals Output By Control Required Incoming Signals Flue Blower Pressure Switch P C NO NC 30 Seconds Purge Purge time begins at pressure switch change over 30 Seconds Post If at any stage the flame fails...

Page 36: ...for at least 15 minutes and then re check settings Adjust pressure setting if necessary 2 Check gas flow rate at gas meter 3 Turn off heater and electrical supply 4 Remove the manometer and refit all...

Page 37: ...he limit thermostat is located inside the access door of the heater See Page 41 Section 15 3 This control protects against excessive heat build up inside the burner compartment Cut Pinch Hazard Wear p...

Page 38: ...a temperature limit switch persistently trips there is a fault which must be investigated by a contractor qualified in the installation and service of gas fired heating equipment 12 4 1 Simple Trouble...

Page 39: ...mbustion Inspect the heat exchanger Look for signs of overheating at the front tubes which may indicate burner over firing or persistently low air flows 13 4 Gas Valve Maintenance No regular maintenan...

Page 40: ...store or use flammable objects liquids or vapors near the heater Immediately remove these items if they are present See Page 5 Section 3 Vehicles and Other Objects Maintain the clearances to combusti...

Page 41: ...ked ceramics excessive carbon residue or erosion of the electrode The electrode gap should be 1 8 3 2 mm Thermostat There should be no exposed wire or damage to the device or wiring See Page 22 Sectio...

Page 42: ...e sharp WARNING Failure to follow these instructions can result in death electric shock injury or property damage Burn Hazard Allow heater to cool before service Tubing may still be hot after operatio...

Page 43: ...SECTION 14 TROUBLESHOOTING 35 of 47 14 1 General...

Page 44: ...L 36 of 47 14 2 Troubleshooting For Automatic Ignition Burner Systems For optimum heater performance use only replacement parts sold and supplied by Bananza Conduct start up procedure as shown on Page...

Page 45: ...gnition control Use General Troubleshooting section to trace the fault Heater Operating TROUBLESHOOT ENDS No Repair or replace as necessary Is inlet burner gas pressure correct Is live and neutral pol...

Page 46: ...No Yes Does gas pressure at outlet of the valve rise when valve turns on No Yes Is gas pressure at inlet of the valve correct for gas type Note pressure found No Yes START For optimum heater performan...

Page 47: ...ve is correct Use a minimum amount of gas seal on the thread joint Check that all the joints are leak free Reset gas valve See Page 28 Section 11 2 2 IT IS IMPORTANT THAT ONLY THE CORRECT GAS VALVE IS...

Page 48: ...sealed compartment Following any work re seal the compartment with the gas pipe rubber seal fully in place and all screws fitted and tight NOTE Flexible duct only applies for model UHDS MODEL UHD X S...

Page 49: ...set Limit Switch Position may vary Ignition Electrode Flame Probe Limit Switch Flame Probe Inshot Burners Description Part Number Qty Spark Electrode 90427411 1 Automatic Ignition Flame Probe 90439300...

Page 50: ...emove the blower from the mounting plate remove screws Refit in reverse order To change the vent and air intake orientation from back to top remove the blower and mounting plate as above Remove intake...

Page 51: ...ignition cable and wiring from board noting their positions Release the four mounting standoffs Refit in reverse Ensure correct location of ignition cable and all other wiring 15 8 Limit Switches 15 8...

Page 52: ...6 1 15 5 2 8 7 1 1 6 4 1 3 4 8 6 6 7 17 0 18 2 46 2 5 5 14 0 4 4 11 2 6 8 17 3 1 8 4 6 32 81 3 UHD X S 100 in cm 28 5 72 4 22 6 57 4 20 3 51 6 17 6 44 7 16 6 42 2 1 25 3 2 7 0 17 8 6 0 15 2 2 4 6 1 1...

Page 53: ...F C 22 12 22 12 20 11 Heat Exchanger Pressure Drop Maximum Air Volume in wc 0 36 0 55 0 98 Flue Size Air Intake in cm 4 10 All models Duct Size Width in cm 16 3 4 43 21 3 4 55 21 3 4 55 Duct Size Hei...

Page 54: ...UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 46 of 47...

Page 55: ...history The data plate and or serial number are removed defaced modified or altered in any way The ownership of the BANANZA UHD Series is moved or transferred This warranty is nontransferable Bananza...

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