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GDH Series Direct Fired Ducted Heater

 

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Installation, Startup, Operation, 

Service & Maintenance Manual 

 

GDH Series 

Direct Fired Gas Heating 

 

Содержание GDH Series

Страница 1: ...GDH Series Direct Fired Ducted Heater Page 1 of 16 Installation Startup Operation Service Maintenance Manual GDH Series Direct Fired Gas Heating ...

Страница 2: ... BOOKMARK NOT DEFINED Technical Specifications 10 Dimensions Weight Configuration 10 Air Requirements 10 Gas 10 LU Models Drive Details 10 GDH Selection Table 11 Table 1 Models with Dampers 11 Table 2 Models without Dampers 11 MAINTENANCE 12 Fault Finding Chart 12 Service 13 WARRANTY TERMS AND INFORMATION 14 IMPORTANT NOTICE Please leave this manual with the owner of this heater Please keep this i...

Страница 3: ...conform to regulations 2 Providing automatically controlled warmth at maximum efficiency 3 Providing tempered make up air to replace air exhausted from a building 4 Satisfying a wide range of processing heating and curing requirements STANDARD UNIT DETAILS 1 Indoor or outdoor model Specify on order 2 Modulating burner control 3 Remote reset provision 4 Control switch 5 Room thermostat 6 Remote res...

Страница 4: ...through the profile plate and over the burner providing an air velocity in the order of 12 16 metres per second Burner Control The programmed burner control system sets the sequence for lighting and supervising the flame This control provides the pre purge sequence energizing the ignition transformer which provides a high tension spark at the tip of the ignition electrode The controller energizes ...

Страница 5: ...layout 1 3 The heater should be installed by approved personnel only 1 4 Ensure heater receives only fresh air from the source of supply This type of heater must not have any return air passing through the burner 1 5 Like any total fresh air system adequate relief must be provided generally at the rate of 1 square metre per 1000 litres per second of air supply Should mechanical exhaust be the only...

Страница 6: ... gas valves or controls 2 4 When installing weatherproof heater outside ensure heater is kept horizontal to prevent rain entering burner and controls 2 5 Fit furnace onto stand ensure air flow direction corresponds with cooler air flow direction secure heater to cooler and secure remaining end to ductwork and seal off 2 6 If required provide any necessary permanent access to appliance as required ...

Страница 7: ...anometer to test point between isolating valve gas cock and heater valve train Leave gas cock closed No pressure means gas cock is not leaking Pressure test between isolating valve and first safety shut off valve Maximum test pressure 5 kPa Pressure test between both safety shut off valves Maximum pressure 5 kPa 3 2 4 Remove access panel at rear of heater Inspect main and pilot burner assemblies C...

Страница 8: ...lb beyond confines of the heater Set high limit to cut out at 80 C Fix bulb in position with bracket supplied 3 2 14 With a suitable CO CO2 combustion analyzer check the CO CO2 emission from the heater Burner must not produce more than 10 ppm CO and no more than 3000 ppm CO2 while still maintaining aCO CO2 ratio no greater than 003 3 2 15 Reduce the air supply rate down until air differential pres...

Страница 9: ...rd remote control options Step 1 Turn selector switch to heat Step 2 Set time switch if fitted to omit days heater will not be in use set on and off pegs at required times set current day and time Step 3 Set thermostat to the desired temperature Step 4 Should burner fail to operate and go to flame failure a Red light will become illuminated on lockout reset assembly b Press reset button hold for 1...

Страница 10: ... 35 64 71 66 71 87 136 116 138 125 Dampers No Yes Yes Yes No No No Yes Yes No No No Air Requirements Min l s Cooling 2800 4000 6500 2200 4200 5800 10000 15000 8800 14500 20000 Max l s Cooling 4500 6400 9500 1500 2400 4400 14500 21000 6000 9000 15000 Min l s Heating 900 1400 2200 4500 7500 Max l s Heating 1400 2200 4500 7000 11000 Gas Connection mm 20 20 20 20 20 25 32 40 40 40 40 40 Minimum kPa 7 ...

Страница 11: ...effected by dampers closing to about one third of high speed air flow GDH Model Nominal Cooler Match Cooling Air l s Heating Air l s kW 1 75 kPa kW 1 12 lPa Min Max Min Max 1500 AL36 15 000 21 000 7 000 11 000 440 293 1100 AL30 10 000 14 500 4 500 7 000 259 172 340 AL25 6 500 9 500 2 200 4 500 132 94 265 AL22 4 000 6 400 1 400 2 200 1 10 75 210 AL18 2 800 4 500 900 1 400 87 58 Table 2 Models witho...

Страница 12: ...er Check gas supply b No ignition Clean ignition electrode and set Ensure HT cap on ignition electrode Check ignition spark Check power to transformer Replace ignition transformer c No gas to pilot Clean orifice in pilot burner d Faulty pilot solenoid valve Check power to pilot solenoid valve Replace pilot solenoid valve e Burner control faulty Replace burner control 6 Pilot starts burner control ...

Страница 13: ...gas off at isolating valve Burner must stop Burner control must go to flame failure de energising all safety shut off valves 7 2 Check and ensure high limit control breaks locking out burner at a maximum temperature of 80 C 7 3 Fit low scale manometer to pressure test points on air pressure switch A differential pressure of between 110 to 160 Pa will indicate sufficient air velocity across the bur...

Страница 14: ...d drive belts and d Installation including without limitation ductwork fittings and other related installation components which is excluded 3 During the period to which any expressed warranty applies all defective part s shall be replaced or repaired at the discretion of Seeley without charge for either parts or labour during normal working hours Further we may deem in our absolute discretion to r...

Страница 15: ... the location of the Goods is either i outside the metropolitan areas of the capital cities or ii more than 35 kilometres from an authorised Seeley International branch or service representative and b any costs for additional labour or equipment associated with gaining acceptable and safe service access to the Goods installed in restricted high or unsafe locations and or the removal and replacemen...

Страница 16: ...It is the policy of Seeley International to introduce continual product improvement Accordingly specifications are subject to change without notice Please consult with your dealer to confirm the specifications of the model selected BARCODE AND SERIAL NUMBER ...

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