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Хорошее руководство по эксплуатации
Законодательство обязывает продавца передать покупателю, вместе с товаром, руководство по эксплуатации Bryant R-22. Отсутствие инструкции либо неправильная информация, переданная потребителю, составляют основание для рекламации в связи с несоответствием устройства с договором. В законодательстве допускается предоставлении руководства в другой, чем бумажная форме, что, в последнее время, часто используется, предоставляя графическую или электронную форму инструкции Bryant R-22 или обучающее видео для пользователей. Условием остается четкая и понятная форма.
Что такое руководство?
Слово происходит от латинского "instructio", тоесть привести в порядок. Следовательно в инструкции Bryant R-22 можно найти описание этапов поведения. Цель инструкции заключается в облегчении запуска, использования оборудования либо выполнения определенной деятельности. Инструкция является набором информации о предмете/услуге, подсказкой.
К сожалению немного пользователей находит время для чтения инструкций Bryant R-22, и хорошая инструкция позволяет не только узнать ряд дополнительных функций приобретенного устройства, но и позволяет избежать возникновения большинства поломок.
Из чего должно состоять идеальное руководство по эксплуатации?
Прежде всего в инструкции Bryant R-22 должна находится:
- информация относительно технических данных устройства Bryant R-22
- название производителя и год производства оборудования Bryant R-22
- правила обслуживания, настройки и ухода за оборудованием Bryant R-22
- знаки безопасности и сертификаты, подтверждающие соответствие стандартам
Почему мы не читаем инструкций?
Как правило из-за нехватки времени и уверенности в отдельных функциональностях приобретенных устройств. К сожалению само подсоединение и запуск Bryant R-22 это слишком мало. Инструкция заключает ряд отдельных указаний, касающихся функциональности, принципов безопасности, способов ухода (даже то, какие средства стоит использовать), возможных поломок Bryant R-22 и способов решения проблем, возникающих во время использования. И наконец то, в инструкции можно найти адресные данные сайта Bryant, в случае отсутствия эффективности предлагаемых решений. Сейчас очень большой популярностью пользуются инструкции в форме интересных анимаций или видео материалов, которое лучше, чем брошюра воспринимаются пользователем. Такой вид инструкции позволяет пользователю просмотреть весь фильм, не пропуская спецификацию и сложные технические описания Bryant R-22, как это часто бывает в случае бумажной версии.
Почему стоит читать инструкции?
Прежде всего здесь мы найдем ответы касательно конструкции, возможностей устройства Bryant R-22, использования отдельных аксессуаров и ряд информации, позволяющей вполне использовать все функции и упрощения.
После удачной покупки оборудования/устройства стоит посвятить несколько минут для ознакомления с каждой частью инструкции Bryant R-22. Сейчас их старательно готовят или переводят, чтобы они были не только понятными для пользователя, но и чтобы выполняли свою основную информационно-поддерживающую функцию.
Содержание руководства
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Страница 1
NOTE: Read the entire instruction manual before starting the installation. This symbol → indicates a change since the last issue. TABLE OF CONTENTS SAFETY CONSIDERATIONS .....................................................1 INTRODUCTION ..........................................................................2 INSTALLATION GUIDELINE ...........[...]
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Страница 2
Refrigeration system contains refrigerant under pressure. Extreme caution should be observed when handling refrigerants. Wear safety glasses and gloves to prevent personal injury. During normal system operation, some components are hot and can cause burns. Rotating fan blades can cause personal injury. Appropriate safety considerations are posted t[...]
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Страница 3
IX. WIND BAFFLE A field-fabricated sheet-metal cover used to stop prevailing winds or where outdoor ambient temperature is less than 55 ° F during unit operation of cooling mode. X. COASTAL FILTER A mesh screen inserted under top cover and inside base pan to protect condenser coil from salt damage without restricting air- flow. XI. SUPPORT FEET Fo[...]
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Страница 4
Fig. 1 — Wind Baffle Construction for Reliant Units A95445 1 / 4 ″ x 3 / 8 ″ (5.56 x 9.53) SLOT 4 REQ'D 1 / 2 ″ (12.7) J 7 / 16 ″ (11.6) C A 7 / 16 ″ (11.6) B 5 5 / 16 ″ (151.5) 1 / 2 ″ (12.7) TYP H 3 / 8 ″ (9.6) G J K E F D L 1 / 8 ″ (3.45) DIA HOLE 1 REQ'D 1 / 4 ″ (5.56) DIA HOLE 3 REQ'D 1 / 4 ″ x 2 ″ (5.5[...]
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Страница 5
Calculate the linear length of vapor tube required, adding any losses for the total number of elbows for application. (See Table 5.) Using this equivalent length, select desired vapor-line size from Table 4. Subtract the nominal percentage loss from outdoor-unit presale-literature Detailed Cooling Capacities data for the given indoor/outdoor combin[...]
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Страница 6
For reference only, the close cell insulation material specified for accessory tubing kits is a compound of vinyl, neoprene, or nitrile blends of these polymers. Performance requirements include thermal range of 0 ° Ft o2 0 0 ° F (-17.8 ° Ct o9 3 ° C) and a maximum thermal conductivity of 0.28. NOTE: Special consideration must be given to isola[...]
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Страница 7
NOTE: If total equivalent horizontal length is 100 ft or longer , both indoor and outdoor pistons must be increased 1 full piston size , in addition to changes required by Tables 6 and 7. After finding appropriate change in piston size, add or subtract the change from original piston number . If piston size is decreased , round new piston number do[...]
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Страница 8
NOTE: When installing a liquid-line solenoid, the system may require a minimum 60va low-voltage transformer. Each type of solenoid has an indicator flow arrow stamped on the valve body. When solenoid is closed (not energized) and pressure is applied in direction of flow arrow, complete shutoff occurs. If pressure is applied against direction of flo[...]
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Страница 9
Positions 15 and 16 — Product Variations Example: AA — Standard unit Other letters — For product variations from standard II. SERIAL NUMBER IDENTIFICATION The unit serial number has 10 positions containing groups of numbers and a letter that indicate specific information about the unit. Listed below is the breakdown of the 10 positions. Posit[...]
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Страница 10
CABINET Certain maintenance routines and repairs require removal of cabinet panels. There are 4 basic cabinet designs for air condition- ers and heat pumps. (See Fig. 8.) The horizontal discharge unit will be discussed in a separate section of this manual. Note that separate sections apply according to date of manufacture. I. REMOVE TOP COVER — B[...]
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Страница 11
6. Lift top cover from unit. 7. Reverse sequence for reassembly. VI. REMOVE FAN-MOTOR ASSEMBLY — AFTER 1/1/92 NOTE: This section applies to all Reliant products made after January 1, 1992 1. Perform items 1, 3, 4, and 5 above. (Note item 2 is not required.) 2. Remove 4 screws holding wire basket to top cover. 3. Lift wire basket from unit. 4. Rem[...]
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Страница 12
ELECTRICAL WARNING: Exercise extreme caution when working on any electrical components. Shut off all power to system prior to troubleshooting. Some troubleshooting tech- niques require power to remain on. In these instances, exercise extreme caution to avoid danger of electrical shock. ONLY TRAINED SERVICE PERSONNEL SHOULD PERFORM ELECTRICAL TROUBL[...]
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Страница 13
connection will be exposed to moisture, it is very important to cover the entire connection completely to prevent an electrochemi- cal action that will cause the connection to fail very quickly. Do not reduce the effective size of wire, such as cutting off strands so that the wire will fit a connector. Proper size connectors should be used. Check a[...]
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Страница 14
III. CAPACITORS CAUTION: Capacitors can store electrical energy when power is off. Electrical shock can result if you touch the capacitor terminals and discharge the stored energy. Exercise extreme caution when working near capacitors. With power off, discharge stored energy by shorting across the capacitor terminals with a 15,000-ohm, 2-watt resis[...]
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Страница 15
4. Remove PTC from unit. Wait at least 10 minutes for PTC to cool to ambient temperature. 5. Measure resistance of PTC with ohmmeter as shown in Fig.13. The cold resistance (RT) of any PTC device should be approxi- mately 100 – 180 percent of device ohm rating. 12.5 – ohm PTC = 12.5 – 22.5 ohm resistance — beige color 25 – ohm PTC = 25 ?[...]
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Страница 16
Cycle-protector device is simple to troubleshoot. Only a voltmeter capable of reading 24v is needed. Device is in control circuit; therefore, troubleshooting is safe with control power (24v) on and high-voltage power off. With high-voltage power off, attach voltmeter leads across T1 and T3 and set thermostat so that Y terminal is energized. Make su[...]
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Страница 17
thereby improving the efficiency of the system. The sequence of operation is that on closure of the wall thermostat and at the end of a fixed on-delay of 1 sec, the fan relay is energized. When the thermostat is satisfied, an off-delay is initiated. When the fixed delay of 90 ± 20 sec is completed, the fan relay is de-energized and fan motor stops[...]
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Страница 18
CAUTION: Wear safety glasses and gloves when work- ing with refrigerants. Apply heat with torch to solder joint and remove switch. Wear safety glasses when using torch. Have quenching cloth available. Oil vapor in line may ignite when switch is removed. Braze in 1/4-in. flare fitting and screw on replacement pressure switch. HIGH-PRESSURE SWITCH Lo[...]
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Страница 19
2. Using thermocouple temperature-measuring device, route sensor or probe underneath coil (or other convenient loca- tion). Attach to liquid line near defrost thermostat. Insulate for more accurate reading. 3. Turn on power to outdoor unit. 4. Restart unit in heating mode. 5. Within a few minutes, liquid-line temperature drops within a range causin[...]
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Страница 20
13. Shut off unit power and reconnect fan lead. 14. Remove jumper between DFT and R terminals. Reconnect defrost-thermostat leads. Failure to remove jumper causes unit to switch to defrost every 30, 50, or 90 minutes and remain in defrost for full 10 minutes. 15. Replace control-box cover. Restore power to unit. If defrost thermostat does not check[...]
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Страница 21
6. Short between the speed-up terminals using a small, slotted screwdriver. 7. Unit changes over to defrost within 21 sec (depending on timing-cycle setting). Liquid-line temperature rises to range where defrost-thermostat contacts open. Temperature range is from 75 ° Ft o8 5 ° F. Resistance goes from zero to ∞ when contacts open. 8. If either [...]
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Страница 22
either heating or cooling. This enables owner to obtain timely heat-pump service during heating season, reducing supplementary electric heat costs, and during cooling season, reducing period of heat discomfort. The service alarm is an accessory device. Service alarm locks out compressor under certain adverse operating conditions. System is manually[...]
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Страница 23
TABLE 12 — FAN POSITION AEROQUIET SYSTEM AND AEROMAX TOP Fan Motor Part No. Fan Blade Part No. Dimension A (In.) Brookside Revcor HC29GE208 LA01EB023 4 – 5/32 — LA01EC019 5 – 1/8 — HC31GE230/231 LA01EA026 4 – 5/8 — LA01RA015 4 – 7/8 4 – 5/8 HC33GE208 LA01EW049 5 – 1/4 — HC33GE232 LA01RA015 4 – 29/32 4 – 17/32 HC34GE231 LA0[...]
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Страница 24
heat-pump output drops. Setting at which thermostat closes is variable, depending on design of system. It is set at time of installation and should not be changed without cause. Up to 2 outdoor thermostats may be installed. Some systems may not have any thermostat. An outdoor thermostat can also be used to lock out compressor operation at low ambie[...]
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Страница 25
tion shown for the Tecumseh compressor is shown with the triangle formed by the terminals pointing toward the top. The configuration around the fusite terminals is the outline of the terminal covers used on the specific compressors. The slot through which the wires of the plug are routed is oriented on the bottom or slightly to the left or right. T[...]
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Страница 26
In this type of failure, compressor motor runs and turns compres- sor, and compressor is pumping. Usually, an internal problem such as blown head gasket or broken internal-discharge line causes compressor to pump hot discharge gas back into its own shell rather than through system. Using pressure gages on service valves shows high suction and low d[...]
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Страница 27
Most common motor failures are due to either an open, grounded, or short circuit. Directions below are specifically for single-phase units, however, they also apply to 3-phase compressors. When a single-phase compressor fails to start or run, 3 tests can help determine the problem. First, all possible external causes should be eliminated, such as o[...]
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Страница 28
5. Scratch matching marks on stubs in old compressor. Make corresponding marks on replacement compressor. 6. Use torch to remove stubs from old compressor and to reinstall them in replacement compressor. 7. Use copper couplings to tie compressor back into system. 8. Evacuate system, recharge, and check for normal system operation. 9. Copeland CR-6 [...]
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Страница 29
cause a rapid pressure equalization around the compressor, thus reducing the normal shutdown sound created by reverse rotation of the scroll. The solenoid valve is normally closed and is wired across high-voltage line 1 to load terminals of the contactor. (See Fig. 18.) The solenoid-valve assembly also requires a check valve piped in the discharge [...]
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Страница 30
Fig. 31 — CES0130075 3 – Phase Monitor Board A00010 Fig. 32 — CESO130075 3 – Phase Monitor Wiring Diagram A00011 EQUIP GND CONT L1 COMP 11 21 T1 T2 T3 *CH L2 L3 13 23 OFM CAP CONT L1 L3 L2 C Y CONT LOGIC CESO130075 CONT T2 T3 T1 *LPS *HPS *LLS CTD IFR R C Y G R INDOOR THERMOST A T EXTERNAL PO WER SUPPL Y 24 V LOGIC — 30 —[...]
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Страница 31
HEATING OPERATION (HEAT PUMP ONLY) The 2-speed products utilize a 2-stage-heating indoor thermostat. The first stage of heating is heat-pump operation (Y1). Auxiliary backup heat is controlled by second stage (W2). There is a 2 ° differential between first and second stage. The control board determines the compressor speed based on ambient tempera[...]
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Страница 32
DEFROST The 2-speed control logic for the defrost function is the standard time and temperature initiated, time or temperature terminated. Defrost occurs only at outdoor temperatures less than 50 ° F. The control initiates defrost when the outdoor coil thermistor is 30 ° F( ± 2) or less, and the selected defrost time (interval) has been accumula[...]
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Страница 33
AUXILIARY HEAT (W2) LOCKOUT In some areas, it is necessary to disable the auxiliary heat, except for defrost, until the outdoor ambient is less than the structure ’ s balance point. This is accomplished by using the low-voltage wiring as shown in Fig. 36. Wire the 24vac W2 signal from the indoor thermostat to W3 of the control, and W2 of the cont[...]
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Страница 34
pressures exceeds 500 psi. The compressor is also protected by 3 PTC devices attached to the motor windings. The PTC ’ s resistance is sensed by the 2-speed control board. See Table 16 for resistance ranges. MECHANICALLY INTERLOCKED CONTACTORS The 2-speed products are equipped with mechanically interlocked contactors. Each contactor has interconn[...]
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Страница 35
NOTE: To ensure accurate ohm measurements, place ohmmeter probes on flat surface of compressor-terminal tabs, not the brass mounting screw. Open To determine if a winding has an actual break in the internal wires and current is unable to pass through: 1. Be sure all power is off. 2. Discharge all capacitors. 3. Remove wires from terminals T1, T2, T[...]
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Страница 36
Fig. 40 — Low-Speed Windings A91446 EQUIP GND SC 17 27 EXT MAIN 11 21 C1 L1 BR CAP H LOW START MAIN T2 T7 COMP T1 HIGH START T3 T8 2 5 1 HS SR 25 15 C2 26 16 C2 22 12 C1 23 13 C1 C F C2 14 24 C2 L2 LS SR 25 1 SCHEMATIC DIAGRAM (LADDER FORM) Fig. 41 — High-Speed Windings A91445 EQUIP GND SC 17 27 EXT MAIN 11 21 C1 L1 BR CAP H LOW START MAIN T2 T[...]
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Страница 37
CAUTION: Due to the high pressure of nitrogen, it should never be used without a pressure regulator on the tank. Leaks in a system pressurized with refrigerant can be spotted with a leak detector that detects extremely small refrigerant leaks. This discussion assumes that system is pressurized with either all refrigerant or a mixture of nitrogen an[...]
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Страница 38
b. Remove all flux residue with brush and water while material is still hot. 2. Use ″ sil-fos ″ or ″ phos-copper ″ for copper-to-copper only. No flux is required. 3. Silver solder is used on copper-to-brass, copper-to-steel, or copper-to-copper. Flux is required when using silver solder. 4. Fluxes should be used carefully. Avoid excessive a[...]
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Страница 39
If the service valve is to be replaced, a metal barrier must be inserted between the valve and the unit to prevent damaging the unit exterior from the heat of the brazing operations. CAUTION: Wear safety glasses and gloves when han- dling refrigerants. Pumpdown Procedure Service valves provide a convenient shutoff valve useful for certain refrigera[...]
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Страница 40
If valve is defective: 1. Shut off all power to unit and remove all charge from system. 2. Check valve design. If valve is of the 3-port design and new replacement is of the 4-port design, replacement of the solenoid coil and wire leads is necessary. Valve bodies are interchangeable, but solenoid and wires are not. Three-port reversing valve and so[...]
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Страница 41
Hard Shutoff (HSO) — Has no bleed port and allows no bleed- through after system shutdown. No pressure equalization occurs. Because of unequalized system pressures, a start capacitor and relay must be installed on single-phase reciprocating compressors to start the compressor. See Table 20 for TXV superheat settings. These settings are factory se[...]
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Страница 42
Fig. 49 — TXV in Cooling Mode A88406 OUTLET INLET PUSHRODS BYPASS TXV DIAPHRAGM NEEDLE VALVE SPRING CHECK VALVE (CLOSED) BYPASS TUBE DISTRIBUTOR FEEDER TUBES CAPILLARY TUBE COIL BULB EXTERNAL EQUALIZER TUBE Fig. 50 — TXV in Heating Mode A88405 OUTLET INLET PUSHRODS BYPASS TXV DIAPHRAGM NEEDLE VALVE SPRING CHECK VALVE (OPEN) BYPASS TUBE DISTRIBU[...]
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Страница 43
If the strainer must be replaced, shut off all power to the unit. See Fig. 49 for strainer location. XI. ACCUMULATOR The accumulator is a device always found in heat pumps and found in some condensing-unit models. Under some light-load condi- tions on indoor coils and on outdoor coil with heat pump in heating mode, some liquid refrigerant is presen[...]
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Страница 44
a TXV, the subcooling method must be used. Heat pumps must be operating in the cooling mode. To charge by superheat, a service technician needs an accurate superheat thermocouple or thermistor-type thermometer, a sling psychrometer, and a gage manifold. Do not use mercury or small-dial-type thermometers as they are not adequate for this type of mea[...]
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Страница 45
2. Measure liquid service-valve pressure by attaching an accurate gage to the service port. 3. Measure the liquid-line temperature by attaching an accu- rate thermistor-type or electronic thermometer to the liquid line near the outdoor coil. 4. Refer to unit-rating plate to find required subcooling temperature for units produced during or after Jan[...]
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Страница 46
3. Check electrical connections for tightness and controls for proper operation each heating (heat pump only) or cooling season and service as necessary. CAUTION: Because of possible damage to the equip- ment or personal injury, maintenance should be per- formed by qualified personnel only. COIL CLEANING 1. Remove top cover. See Remove Top Cover se[...]
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Страница 47
3. Check to be sure tools, loose parts, and debris are removed from the unit. 4. Check to be sure all panels and screws are in place and tight. Desert and Seacoast Locations Special consideration must be given to the installation and main- tenance of condensing units and heat pumps installed in seacoast or desert locations. Salt and the alkali cont[...]
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Страница 48
Fig. 52 — Air-Conditioner Troubleshooting Chart A90208 AIR CONDITIONER TROUBLESHOOTING CHART NO COOLING OR INSUFFICIENT COOLING COMPRESSOR WILL NOT RUN CONTACTOR OPEN POWER SUPPLY DEFECTIVE LOW-VOLTAGE TRANSFORMER OPEN THERMOSTAT OPEN CONTROL CIRCUIT LOSS OF CHARGE CONTACTOR OR COIL DEFECTIVE LOOSE ELECTRICAL CONNECTION CONTACTOR CLOSED COMPRESSO[...]
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Страница 49
Fig. 53 — Heat-Pump Troubleshooting Chart — Cooling Cycle A90207 HEAT PUMP TROUBLESHOOTING – COOLING CYCLE NO COOLING OR INSUFFICIENT COOLING COMPRESSOR WILL NOT RUN CONTACTOR OPEN POWER SUPPLY DEFECTIVE LOW-VOLTAGE TRANSFORMER OPEN THERMOSTAT OPEN CONTROL CIRCUIT LOSS OF CHARGE CONTACTOR OR COIL DEFECTIVE LOOSE ELECTRICAL CONNECTION CONTACTO[...]
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Страница 50
Fig. 54 — Heat-Pump Troubleshooting Chart — Heating Cycle A90206 HEAT PUMP TROUBLESHOOTING – HEATING CYCLE NO HEATING OR INSUFFICIENT HEATING COMPRESSOR WILL NOT RUN CONTACT OPEN DEFECTIVE LOW- VOLTAGE TRANSFORMER REMOTE CONTROL CENTER DEFECTIVE CONTACTOR COIL OPEN OR SHORTED OPEN INDOOR THERMOSTAT LIQUID-LINE PRESSURE SWITCH OPEN LOSS OF CHA[...]
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Страница 51
— 51 —[...]
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Страница 52
© 2000 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 — 52 — Printed in U.S.A. sm01,025 Catalog No. 5356-109[...]