Оценок - 3, средний балл: 4.3
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Фрагмент инструкции
reliable service when operated within design specifica-Dangerous over pressure can result. When it is necessary to heattions. When operating this equipment, use good judg-refrigerant, use only warm (110 F [43 C]) water. ment and safety precautions to avoid damage to DO NOT REUSE disposable (nonreturnable) cylinders or attempt to equipment and property or injury to personnel. refill them. It is DANGEROUS AND ILLEGAL. When cylinder isBe sure you understand and follow the procedures and emptied, evacuate remaining gas pressure, loosen the collar, andsafety precautions contained in the machine instruc-unscrew and discard the valve stem. DO NOT INCINERATE. tions, as well as those listed in this guide. CHECK THE REFRIGERANT TYPE before adding refrigerant to the machine. The introduction of the wrong refrigerant can causemachine damage or malfunction. DO NOT VENT refrigerant relief devices within a building. Outlet Operation of this equipment with refrigerants other than those from rupture disc or relief valve must be vented outdoors in accor cited herein should comply with ANSI/ASHRAE 15 (latest edition). dance with the latest edition of ANSI/ASHRAE 15 (American Contact Carrier for further information on use of this machine with National Standards Institute/American Society of Heating, Refrigera other refrigerants. tion and Air-Conditioning Engineers) (Safety Code for Mechanical DO NOT ATTEMPT TO REMOVE fittings, covers, etc., while Refrigeration). The accumulation of refrigerant in an enclosed space machine is under pressure or while machine is running. Be sure pres can displace oxygen and cause asphyxiation. sure is at 0 psig (0 kPa) before breaking any refrigerant connection. PROVIDE adequate ventilation in accordance with ANSI/ CAREFULLY INSPECT all relief valves, rupture discs, and other ASHRAE 15, especially for enclosed and low overhead spaces. relief devices AT LEAST ONCE A YEAR. If machine operates in a Inhalation of high concentrations of vapor is harmful and may cause corrosive atmosphere, inspect the devices at more frequent intervals. heart irregularities, unconsciousness, or death. Intentional misuse can DO NOT ATTEMPT TO REPAIR OR RECONDITION any relief be fatal. Vapor is heavier than air and reduces the amount of oxygen valve when corrosion or build-up of foreign material (rust, dirt, scale, available for breathing. Product causes eye and skin irritation. etc.) is found within the valve body or mechanism. Replace the valve. Decomposition products are hazardous. DO NOT install relief devices in series or backwards. DO NOT USE OXYGEN to purge lines or to pressurize a machinefor any purpose. Oxygen gas reacts violently with oil, grease, andUSE CARE when working near or in line with a compressed spring. other common substances. Sudden release of the spring can cause it and objects in its path to act DO NOT USE air to leak test. Use only refrigerant or dry nitrogen. NEVER EXCEED specified test pressures. VERIFY the allowabletest pressure by checking the instruction literature and the design pressures on the equipment nameplate. DO NOT VALVE OFF any safety device. DO NOT climb over a machine. Use platform, catwalk, or staging. BE SURE that all pressure relief devices are properly installed and Follow safe practices when using ladders. functioning before operating any machine. USE MECHANICAL EQUIPMENT (crane, hoist, etc.) to lift or RISK OF INJURY OR DEATH by electrocution. High voltage move inspection covers or other heavy components. Even if compo is present on motor leads even though the motor is not running. nents are light, use mechanical equipment when there is a risk of Open the power supply disconnect before touching motor leads or slipping or losing your balance. terminals. as projectiles. DO NOT STEP on refrigerant lines. Broken lines can whip about andrelease refrigerant, causing personal injury. BE AWARE that certain automatic start arrangements CANENGAGE THE STARTER, TOWER FAN, OR PUMPS. Open thedisconnect ahead of the starter, tower fan, and pumps. Shut off theDO NOT WELD OR FLAMECUT any refrigerant line or vessel until machine or pump before servicing equipment. all refrigerant (liquid and vapor) has been removed from chiller. Traces of vapor should be displaced with dry air or nitrogen and theUSE only repaired or replacement parts that meet the code require- work area should be well ventilated. Refrigerant in contact with an ments of the original equipment. open flame produces toxic gases. DO NOT VENT OR DRAIN waterboxes containing industrial brines, DO NOT USE eyebolts or eyebolt holes to rig heat exchangers or theliquid, gases, or semisolids without the permission of your process entire assembly. control group. DO NOT work on high-voltage equipment unless you are a qualifiedDO NOT LOOSEN waterbox cover bolts until the waterbox has been electrician. completely drained. DO NOT WORK ON electrical components, including control DOUBLE-CHECK that coupling nut wrenches, dial indicators, or pan...