Оценок - 3, средний балл: 3.7
(
)
)
|
Фрагмент инструкции
sign specifications. When operating this equipment, use NEVER APPLY an open flame or live steam to a refrigerant cyl good judgment and safety precautions to avoid damage inder. Dangerous overpressure can result. When necessary to heat to equipment and property or injury to personnel. refrigerant, use only warm (110 F [43 C]) water. Be sure you understand and follow the procedures and DO NOT REUSE disposable (nonreturnable) cylinders or safety precautions contained in this guide. attempt to refill them. It is DANGEROUS AND ILLEGAL. When cylinder is emptied, evacuate remaining gas pressure, loosen the collar and unscrew and discard the valve stem. DO NOT DONOTVENTrefrigerantreliefvalveswithinabuilding.Outlet INCINERATE. from rupture disc or relief valve must be vented outdoors in ac-CHECK THE REFRIGERANT TYPE before transferring refrigcordance with the latest edition of ASHRAE 15 (American Society erant to the machine. The introduction of the wrong refrigerant can of Heating, Refrigeration, and Air Conditioning Engineers). The cause damage or malfunction to this machine. accumulation of refrigerant in an enclosed space can displace oxy-Operation of this equipment with refrigerants other than those gen and cause asphyxiation. cited herein should comply with ASHRAE 15 (latest edition). Con- PROVIDE adequate ventilation in accordance with ASHRAE 15, tact Carrier for further information on use of this machine with other especially for enclosed and low overhead spaces. Inhalation of high refrigerants. concentrations of vapor is harmful and may cause heart irregulari-DO NOT ATTEMPT TO REMOVE fittings, covers, etc., while ma- ties, unconsciousness, or death. Misuse can be fatal. Vapor is heavier chine is under pressure or while machine is running. Be sure presthan air and reduces the amount of oxygen available for breathing. sure is at 0 psig (0 kPa) before breaking any refrigerant Product causes eye and skin irritation. Decomposition products are connection. hazardous. CAREFULLY INSPECT all relief devices, rupture discs, and other DO NOT USE OXYGEN to purge lines or to pressurize a machine relief devices AT LEAST ONCE A YEAR. If machine operates in for any purpose. Oxygen gas reacts violently with oil, grease, and a corrosive atmosphere, inspect the devices at more frequent other common substances. intervals. NEVER EXCEED specified test pressures, VERIFY the allowable DO NOT ATTEMPT TO REPAIR OR RECONDITION any relief test pressure by checking the instruction literature and the design device when corrosion or build-up of foreign material (rust, dirt, pressures on the equipment nameplate. scale, etc.) is found within the valve body or mechanism. Replace DO NOT USE air for leak testing. Use only tracer gases and dry the device. nitrogen. DO NOT install relief devices in series or backwards. DO NOT VALVE OFF any safety device. USE CARE when working near or in line with a compressed spring. BE SURE that all pressure relief devices are properly installed and Sudden release of the spring can cause it and objects in its path to functioning before operating any machine. act as projectiles. DO NOT STEP on refrigerant lines. Broken lines can whip about DO NOT WELD OR FLAMECUT any refrigerant line or vessel and cause personal injury and damage to the machine. until all refrigerant (liquid and vapor) has been removed from chiller. DO NOT climb over a machine. Use platform, catwalk, or staging. Traces of vapor should be displaced with dry air or nitrogen and Follow safe practices when using ladders. the work area should be well ventilated. Refrigerant in contact with an open flame produces toxic gases. USE MECHANICAL EQUIPMENT (crane, hoist, etc.) to lift or move inspection covers or other heavy components. Even if com- DO NOT USE eyebolts or eyebolt holes to rig machine sections or ponents are light, use such equipment when there is a risk of slip- the entire assembly. ping or losing your balance. DO NOT work on high-voltage equipment unless you are a quali- BE AWARE that certain automatic start arrangements CAN EN fied electrician. GAGE THE STARTER. Open the disconnect ahead of the starter DO NOT WORK ON electrical components, including control pan-in addition to shutting off the machine or pump. els, switches, starters, or oil heater until you are sure ALL POWER USE only repair or replacement parts that meet the code require- IS OFF and no residual voltage can leak from capacitors or solid ments of the original equipment. state components. DOUBLE-CHECK that coupling nut wrenches, dial indicators, or LOCKOPENANDTAGelectricalcircuitsduringservicing.IFWORK other items have been removed before rotating any shafts. IS INTERRUPTED, confirm that all circuits are deenergized be- DO NOT LOOSEN a packing gland nut before checking that the fore resuming work. nut has a positive thread engagement. DO NOT syphon refrigerant by mouth. PERIODICALLY INSPECT all valves, fittings, and piping for cor- AVOID SPILLING liquid refrigerant on skin ...