Carrier Aquasnap 30RW Installation, Operation And Maintenance Instructions

Contents

Carrier Aquasnap 30RW Installation, Operation And Maintenance Instructions Manual pdf 3 page image

3the cover photograph is for illustrative purposes only and is not part of any offer for sale or contract.10 - ConDenseR wateR flow Rate .............................................................................................................................. 2910.1 - Condenser pump flow/pressure curve................................................................................................................................ 2910.2 - Available static system pressure (condenser side) ........................................................................................................... 2911 - 30Rw UnIt oPeRatIon wIth a DRyCooleR ..................................................................................................... 3011.1 - Operating principle .............................................................................................................................................................. 3011.2 - Auxiliary electronic analogue input and output and discrete output board (AUX1) for control of the drycooler . 3011.3 - Configuration of the number of fan stages and the automatic changeover of the fan stages ..................................... 3011.4 - Fan stage assignment............................................................................................................................................................ 3011.5 - 30RW units without evaporator and condenser pump, three-way valve configuration for low outside temperatureapplication ....................................................................................................................................................................................... 3111.6 - Drycooler installation .......................................................................................................................................................... 3112 - 30Rwa UnIt oPeRatIon wIth Remote aIR-CooleD ConDenseR....................................................... 3112.1 - Operating principle .............................................................................................................................................................. 3112.2 - Master fan ............................................................................................................................................................................. 3112.3 - Dual-circuit condenser with separate ventilation and interlaced ventilation ................................................................. 3112.4 - Auxiliary electronic analogue input and output and discrete output board (AUX1) for control of the air-cooledremote condenser ........................................................................................................................................................................... 3112.5 - Configuration of the number of fan stages and fan type based on the air-cooled condenser model used in theinstallation ....................................................................................................................................................................................... 3112.6 - Possible fan arrangements based on the air-cooled condenser type used in the installation ...................................... 3213 - staRt-UP............................................................................................................................................................................... 3413.1 - Preliminary checks ............................................................................................................................................................... 3413.2 - Actual start-up ...................................................................................................................................................................... 3413.3 - Operation of two units in master/slave mode ................................................................................................................... 3414 - majoR system ComPonents anD oPeRatIon Data ................................................................................. 3514.1 - Compressors.......................................................................................................................................................................... 3514.2 - Lubricant ............................................................................................................................................................................... 3514.3 - Evaporators and condensers ............................................................................................................................................... 3514.4 - Thermostatic expansion device ........................................................................................................................................... 3614.5 - Refrigerant ............................................................................................................................................................................ 3614.6 - High-pressure switch............................................................................................................................................................ 3614.7 - High and low-pressure side safety valves .......................................................................................................................... 3614.8 - Moisture indicator ................................................................................................................................................................ 3614.9 - Filter drier in the refrigerant circuit ................................................................................................................................... 3614.10 - Fixed-speed cold water loop pump (evaporator side) ................................................................................................... 3614.11 - Variable-speed hot water loop pump (condenser side) ................................................................................................. 3714.12 - Evaporator and condenser pump suction filter .............................................................................................................. 3715 - maIntenanCe................................................................................................................................................................... 3715.1 - Soldering and welding.......................................................................................................................................................... 3715.2 - General unit maintenance ................................................................................................................................................... 3815.3 - Refrigerant charge ............................................................................................................................................................... 3815.4 - Refrigerant guidelines ........................................................................................................................................................ 3815.5 - Leak detection ...................................................................................................................................................................... 3915.6 - Evacuation ........................................................................................................................................................................... 3915.7 - Recharging liquid refrigerant.............................................................................................................................................. 3915.8 - Characteristics of R-407C.................................................................................................................................................... 3915.9 - Electrical maintenance ........................................................................................................................................................ 3915.10 - Compressors........................................................................................................................................................................ 4015.11 - Evaporator and condenser maintenance ......................................................................................................................... 4015.12 - Corrosion check.................................................................................................................................................................. 4016 - aQUasnaP maIntenanCe PRogRam .................................................................................................................. 4116.1 - Maintenance schedule ......................................................................................................................................................... 4116.2 - Description of the maintenance operations ...................................................................................................................... 4117 - staRt-UP CkeCklIst foR 30Rw/Rwa lIQUID ChIlleRs (Use foR job fIle).................................... 42