Sterling SDRIOM-2 Скачать руководство пользователя страница 1

FOR YOUR  SAFETY

If you smell gas:
1. Open Windows
2. Don’t touch electrical switches.
3. Extinguish any open flame.
4. Immediately call your gas supplier.

ATTENTION: READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY
BEFORE  ATTEMPTING TO INSTALL, OPERATE OR SERVICE THIS UNIT!  CHECK UNIT RATING
PLATE FOR TYPE OF GAS AND ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THESE
AGREE WITH THOSE AT POINT OF INSTALLATION. RETAIN FOR FUTURE REFERENCE.

HVAC PRODUCTS

FOR YOUR  SAFETY

The use and storage of gasoline or other flammable vapors and liquids in open containers 
in the vicinity of this appliance is hazardous.

INSTALLATION, OPERATION AND MAINTENANCE MANUAL FOR

SDR MODEL DIRECT GAS-FIRED HEATERS

WARNING: Improper installation, adjustment, alteration, service or maintenance can cause
property damage, injury or death. Read the installation, operating and maintenance 
instructions thoroughly before installing or servicing this equipment.

WARNING: Install, operate and maintain unit in accordance with manufacturer’s 
instructions to avoid exposure to fuel substances or substances for incomplete combustion
which can cause death or serious illness. The state of California has determined that these
substances may cause cancer, birth defects, or other reproductive harm.

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INSTALLER’S RESPONSIBILITY

Installer Please Note:

This equipment has been test fired and inspected. It has been shipped free

from defects from our factory. However, during shipment and installation, problems such as loose 
wires, leaks or loose fasteners may occur.

It is the installer’s responsibility to inspect and

correct any problems that may be found.

4830 TRANSPORT DRIVE, DALLAS,TX  75247

PHONE: 214-638-6010  FAX: 214-905-0806  www.sterlinghvac.com

SDRIOM-2

PN# 94.2000.03

P

POST AND MAINTAIN THESE INSTRUCTIONS IN LEGIBLE CONDITION

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Содержание SDRIOM-2

Страница 1: ...age injury or death Read the installation operating and maintenance instructions thoroughly before installing or servicing this equipment WARNING Install operate and maintain unit in accordance with m...

Страница 2: ...allow Optional inlet hoods or other large accessories are assembled and shipped mounted and wired whenever possible within limitations of shipping and handling Any optional accessories shipped separa...

Страница 3: ...sed to the weather Rotate fan monthly B Locating the Unit Prior to locating the unit authorities having jurisdiction should be consulted before installations are made Approval permits should be checke...

Страница 4: ...be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressure equal to or less than 1 2 PSI...

Страница 5: ...belts for tightness tension and alignment Do not over tighten belts 6 Check set screws on all bearings pulleys and fans for tightness 7 Check voltage supplied to disconnect switch The maximum voltage...

Страница 6: ...using soap solution Unit will run for 5 seconds before ignition trial NOTE 3 OR 4 TRIALS MAY BE NEEDED TO PURGE AIR FROM GAS LINE UnitedTechnologies Electronic Controls Spark Ignitor Watch microammete...

Страница 7: ...replaced When checking operation of air pressure switches on systems without pilot the heat switch will have to be turned off approximately five seconds to reset the igni tion control E Temperature C...

Страница 8: ...oltage at ignition control C Burner does not light after 5 sec onds pre purge of flame safeguard relay and there is voltage at igni tion control 1 Check power source 2 Check and replace 3 Close or con...

Страница 9: ...valves If gas pressure matches unit rating plate and valve does not open replace gas valve or actuator 10 Make sure spark rod is producing a sufficient spark to light off burner make sure porcelain i...

Страница 10: ...10 SECTION VII TROUBLESHOOTING P 001004 P 001003...

Страница 11: ...d modulating voltages are still not obtained amplifier may be assumed faulty Replace 1 Replace modulator head if not approximately 45 55 ohms for M611Valve and 60 80 ohms for MR212 Valve 2 Clean or re...

Страница 12: ...let to modulating valve using a manometer with unit operating at full fire Pressure should be equal to the sum of outlet pres sure setting plus pressure drop of the valve 2 Read manifold pressure usin...

Страница 13: ...between amplifier and modulator valve 1 Override Temperature setting is too low 2 Burner capacity may be insufficient 1 Faulty automatic control valve 2 Open wire to automatic valve 13 Symptom Possib...

Страница 14: ...inals 4 5 Set T244 or TD244 to max imum setting Measure resistance across wires Meter should read 6000 ohms 1000 T244 If TS244 TD244 are used meter should read 4500 ohms 1000 TS244 and 2100 ohms 150 T...

Страница 15: ...cessary 1 Move TS144 to location where average temperature can be sensed 2 If proper temperatures are not observed refer to Discharge Air Temperature calibration procedures 1 Clean replace valve and o...

Страница 16: ...h pressure regulator to match the appliance rating a Remove the pressure regulator adjustment cap b Using a screwdriver turn the inner adjustment screw for HI pressure clockwise to increase or counter...

Страница 17: ...sure that no com bustible or hazardous material has been stored within the clearances as shown on the unit name plate 3 Quarterly a Complete the monthly maintenance schedule b Check the belt tension f...

Страница 18: ...casing of the motor Add a small amount of a clean good grade ball bearing grease such as Exxon Polyrex EM or equal with a low pressure grease gun Run the motor five minutes before removing the grease...

Страница 19: ...inspection covers some filter racks and some outdoor air dampers Inspect gaskets periodically and repair or replace as required G Heater 1 At least a yearly inspection is recommended for heating insta...

Страница 20: ...e solution 5 Inspect the support means to be sure that everything is firmly anchored in place SECTION IX MAXON NP I AIRLO BURNERS Inspection and Maintenance of Gas Ports Conduct initial inspection wit...

Страница 21: ...ontinuous low fire 2 Remove cap B and loosen lock screw C Turn D to desired low fire adjustment Clockwise rotation reduces minimum flow rate 3 Tighten screw C replace cap B and reconnect wire to ampli...

Страница 22: ...m can be isolated to the electronics and this may once again be reviewed in the check list After test remove the test resistor and reconnect the Discharge Air Sensor to terminals 3 and 4 If Remote Tem...

Страница 23: ...lem is identified with the space temperature sensing and or temperature selecting components and circuits See Troubleshooting Guide If proper delivered air temperatures are not observed check calibrat...

Страница 24: ...cient ventilation air which results in inadequate dilution of combustion products gen erated by the heater may create hazardous concentrations of carbon monoxide nitrogen dioxide and other combus tion...

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