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QLAC TECHNICAL MANUAL AIR COOLED WATER CHILLERS AND HEAT PUMPS WITH AXIAL FANS 06617645-02 TEV L TD, A RMY T AGE ROAD, BRIG HOUSE , W EST YORKSHI RE, HD6 1QF .
06617645-02 2 INDEX Page Declaration of conformity 3 Technical features 4 Technical data 7 QLAC LS cooling capacities and compressor input power 12 QLAC /HP/LS heating capacities and compressor input .
06617645-02 3 EC DECLARATION OF CONFORMITY Herewith TEV Ltd declare that the ai r conditioning equipment designated below is in accordance w ith the essential requirements of current EC Directives. This declaration is based on the design and construction of the equipment in the fo rm brought onto the market by TEV Ltd.
06617645-02 4 TECHNICAL FEATURES Frame All QLAC unit enclosures are manufactured from hot -galvanised sheet steel, painted with polyurethane powder enamel and stoved at 180°C to provide a durable, corrosion resistant finish. The frame is self- supporting with removable panels.
06617645-02 5 Evaporators The plate evaporators are made of 316 stainless steel, braze-welded. Unit sizes 040 to size 130 have a single water side circuit.
06617645-02 6 OTHER VERSIONS The following versions all incorporate energy efficienc y features that make a valuable contribution to enabling compliance with the European Energy Pe rformance of Buildings Directive and the 2006 amendments to Part L of the UK Building Regulations.
06617645-02 7 WATER CHILLERS AND HEAT PUMPS QLAC / LS (Low noise version) TECHNICAL DATA MOD. 040 045 050 060 070 080 090 110 Refrigerant R407C R407C R407C R407C R407C R407C R407C R407C Cooling capaci.
06617645-02 8 WATER CHILLERS AND HEAT PUMPS QLAC / LS (Low noise version) TECHNICAL DATA MOD. 120 130 140 160 190 210 240 260 Refrigerant R407C R407C R407C R407C R407C R407C R407C R407C Cooling capaci.
06617645-02 9 WATER CHILLERS AND HEAT PUMPS QLAC / LS (Low noise version) TECHNICAL DATA MOD. 300 320 380 430 500 Refrigerant R407C R407C R407C R407C R407C Cooling capacity kW 290 321 383 432 481 Comp.
06617645-02 10 WATER CHILLERS AND HEAT PUMPS QLAC / XL (Extra Low noise version) TECHNICAL DATA MOD. 040 045 050 060 070 080 090 110 Refrigerant R407C R407C R407C R407C R407C R407C Cooling capacity kW.
06617645-02 11 WATER CHILLERS AND HEAT PUMPS QLAC / XL (Extra Low noise version) TECHNICAL DATA MOD. 120 130 140 160 190 210 240 260 Refrigerant R407C R407C R407C R407C R407C R407C Cooling capacity kW.
06617645-02 12 QLAC / LS (LOW NOISE VERSION) COOLING CAPACITIES AND COMPRESSOR INPUT POWER PF (kW) PA (kW) TA (°C) TA (°C) MOD. TU (°C) 20 25 30 35 40 45 20 25 30 35 40 45 -5 26,64 24,98 23,36 21,7.
06617645-02 13 QLAC / LS (LOW NOISE VERSION) COOLING CAPACITIES AND COMPRESSOR INPUT POWER PF (kW) PA (kW) TA (°C) TA (°C) MOD. TU (°C) 20 25 30 35 40 45 20 25 30 35 40 45 -5 49,33 46,44 43,48 40,4.
06617645-02 14 COOLING CAPACITIES AND COMPRESSOR INPUT POWER PF (kW) PA (kW) TA (°C) TA (°C) MOD. TU (°C) 20 25 30 35 40 45 20 25 30 35 40 45 -5 88,37 82,32 76,09 69,68 --- --- 27,64 31,00 34,96 39.
06617645-02 15 COOLING CAPACITIES AND COMPRESSOR INPUT POWER PF (kW) PA (kW) TA (°C) TA (°C) MOD. TU (°C) 20 25 30 35 40 45 20 25 30 35 40 45 -5 137,1 128,7 120,0 111,0 --- --- 43,27 48,48 54,40 61.
06617645-02 16 COOLING CAPACITIES AND COMPRESSOR INPUT POWER PF (kW) PA (kW) TA (°C) TA (°C) MOD. TU (°C) 20 25 30 35 40 20 25 30 35 40 1 275.9 258.8 240.9 221.8 201.4 65.7 73.2 81.8 91.8 103.3 3 299.9 281.7 262.8 242.7 221.4 66.1 73.5 82.1 92.0 103.
06617645-02 17 HEATING CAPACITIES AND COMPRESSOR INPUT POWER PC (kW) PA (kW) TU (°C) TU (°C) MOD. TA (°C) 30 35 40 45 50 55 30 35 40 45 50 55 -5 25,1 --- --- --- --- --- 9,1 --- --- --- --- --- 0 3.
06617645-02 18 QLAC / HP / LS (LOW NOISE VERSION) HEATING CAPACITIES AND COMPRESSOR INPUT POWER PC (kW) PA (kW) TU (°C) TU (°C) MOD. TA (°C) 30 35 40 45 50 55 30 35 40 45 50 55 -5 82,2 --- --- --- .
06617645-02 19 EVAPORATOR PRESSURE DROPS 10 20 30 40 50 60 70 80 5000 10000 15000 20000 10 20 30 40 50 60 70 80 15000 20000 25000 30000 A: QLAC 040-045 B: QLAC 050 C: QLAC 060-070 D: QLAC 080 E: QLAC .
06617645-02 20 WATER PUMPS AVAILABLE STATIC PRESSURE 60 80 100 120 140 160 180 200 220 240 5000 10000 15000 20000 40 60 80 100 120 140 160 180 200 220 15000 20000 25000 30000 A: QLAC 040,045,050,060,0.
06617645-02 21 FREE COOLING CAPACITY Free cooling capacity correction factor FCC 0 0, 5 1 1, 5 2 2, 5 3 -20 -1 5 -10 -5 0 5 10 Ambient air temperature (°C) Mod . 040 045 050 060 070 080 090 110 Nominal Free cooling capacity kW --- --- 43 43 43 45 70 72 Mod .
06617645-02 22 PARTIAL HEAT RECOVERY CAPACITY Mod. 040 045 050 060 070 080 090 110 Partial heat recovery nominal capacity kW 9,5 12,8 13,0 15,0 15,3 18,5 21,5 24,8 Water flow l/h 1635 2200 2240 2580 2630 3190 3700 4270 Water pressure drops kPa 10 14 11 15 16 18 11 15 Mod.
06617645-02 23 COMPRESSORS CAPACITY STEP CONTROLS CORRECTION TABLE Operation w ith glycol Water temp. Gly col WFCF PDCF 10% 1,012 1,125 20% 1,048 1,32 7 35% 1,109 1,62 10% 0,870 0,85 20% 0,875 0,92 3 .
06617645-02 24 ELECTRICAL DATA Model 040 045 050 060 070 080 090 110 Pow er line fuses A 50 63 63 80 100 100 125 125 Pow er line cable section mm² 10 10 16 16 25 25 25 35 Model 120 130 140 160 190 21.
06617645-02 25 Installation Instructions – General - When installing or servicing the unit, you must follo w the instructions given in this manual and on labels attached to the unit.
06617645-02 26 HYDRAULIC CONNECTIONS Unit water pipe-work must be installed in accordance with national and local regulations. Pipes can be steel, galvanized steel, copper or PVC. Pipes have to be designed depending on the nominal water flow and the hydraulic pressure drops of the system.
06617645-02 27 (QLAC / FC FREE COOLING VERSION) FREE COOLING SYSTEMS MUST ALWAYS BE FILLED WITH GLYCOL SOLUTION The free cooling versions can operate in 3 different operating modes. The free-cooling coil is installed in series with the water chiller evaporator; the 3 way valv e controls the water flow through the coil.
06617645-02 28 ELECTRICAL CONNECTIONS Disconnect the electrical supply before undertaking any w ork on the unit. All electrical w ork must be undertaken by suitably qualified personnel . The electrical supply must match the nominal electr ical data (voltage, phase, frequency) shown on the label in the front panel of the unit.
06617645-02 29 Refrigerant charge checking • A few minutes after start up, working on cooling oper ating mode, check that condensing temperature, is approximately 15 °C higher than condenser inlet air temperature. Also check that the evaporation temperature is about 5 °C lower t han the evaporator outlet temperature.
06617645-02 30 MAINTENANCE AND PERIODIC CHECKS All maintenance and service operations MUST BE CARRIED OUT BY TRAINED PERSONNEL. Disconnect the electrical supply before undertaking any w ork on the unit. (Any servicing performed w h en the supply is connected w ill need a suitable risk assessment).
06617645-02 31 Environmental Protection European legislation regarding the use of ozone depleting s ubstances forbids the release of refrigerants to the atmosphere. They must be reclaimed and returned to the vendor, or to authorised re-cyclers at the end of their operating life.
06617645-02 32 DIMENSIONS.
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06617645-02 42 TEV L TD, A RMY T A GE RO AD, BRIG HOUSE , W EST YORKSH IRE, HD6 1QF . + 44 ( 0) 14 84 40 5630 +4 4 ( 0) 1484 4056 20 sale s@qua rtz.c o.
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