TEV Marstair 55017720 Technical Manual Download Page 14 | Manualshive

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55908014-17

WIRING DIAGRAM

CXE

CX

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Summary of Contents for Marstair 55017720

Page 1: ...55908014 17 CX E SPLIT SYSTEMS TECHNICAL MANUAL CX E LOW TEPERATURE SPLIT SYSTEMS...

Page 2: ...ve sound knowledge of current Industrial Safe Working practices 2 CX E models are electromechanical Electronic control units that use R407C refrigerant they provide cooling within the range of 2 8 6 8...

Page 3: ...C 20 1ph CKC 40 1ph CKC 60 1ph PART NUMBER 55017720 55017741 55017740 INDOOR UNIT OUTDOOR UNIT CX E 30 CKC 20 CX E 40 CKC 30 CX E 50 CKC 50 CX E 70 CKC 80 Low Temperature Match INDOOR UNIT OUTDOOR UNI...

Page 4: ...KC 30 3 30 0 68 2 24 3 25 3 0 CX E 50 CKC 50 4 60 0 66 3 02 3 25 3 0 CX E 70 CKC 80 6 80 0 63 4 30 3 25 3 0 MODEL RATING CONDITIONS ROOM 12 7 C 10 C AMBIENT 35 C 19 C OPTIONAL ELECTRIC HEATER TOTAL SH...

Page 5: ...ls are shown in dB with a standard reference of 1 pW Sound Pressure Levels in dB A refer to semi hemispherical radiation wall or ceiling mounted at a distance of 1 5m from the front of the unit with t...

Page 6: ...CX E 70 CKC 80 3 2 2 9 5 7 13 8 42 Low Temperature Match MODEL INDOOR OUTDOOR 1 PH 230V 50Hz INPUT POWER FULL LOADS AMPS SYSTEM MAX STARTING CURRENT COOLING HEATING COOLING HEATING kW kW AMPS AMPS AMP...

Page 7: ...17 5 17 5 39 39 124 422 5 70 845 888 124 888 Fixing centres Fixing centres 320 96 MIN 500 FOR SIDE ACCESS 483 20 X Interconnecting Wiring Z1 Suction Z2 Liquid Expansion SIDE VIEW Wall mounted X Z1 Z2...

Page 8: ...in tray NITROGEN CHARGE The unit contains a small charge of dry nitrogen which should be discharged into the atmosphere This is a non toxic non ozone depleting gas with no global warming potential FIT...

Page 9: ...door unit MAXIMUM EQUIVALENT LENGTH OF SUCTION LINE PIPE SIZES m EXPANSION LINES SYSTEM 3 8 1 2 5 8 3 4 7 8 3 8 1 2 5 8 CX E 30 CKC20 7 5 23 50 50 CX E 40 CKC30 10 36 80 7 5 80 CX E 50 CKC50 7 5 18 50...

Page 10: ...s 1 Torr or better and allow to be held for a minimum of 15 minutes 2 Replace the caps on the service ports torque to 25NM ADDING REFRIGERANT 1 All units are fitted with head pressure control The link...

Page 11: ...55017740 940 1240 1540 1840 LIQUID LINE R407C NEW CX NEW CKC PART NUMBER SYSTEM CX NEW CXE NEW CKC NEW 25 30 35 40 45 50 55 60 65 70 75 80 CX E 40 CKC20 55917002 55917016 55017720 934 1084 1234 1384 1...

Page 12: ...2789 2939 3089 3239 3389 3539 CX E 70 CKC60 55917004 455917015 55023740 2103 2253 2403 2553 2703 2853 3093 3333 3573 3813 4053 4293 PART NUMBER R407C EXPANSION LINE NEW CX OLD CKC OLD CX SERIES MATCH...

Page 13: ...clockwise to readjust the setting Do not turn setting screw more than 3 turns clockwise 3 Use following table as a quick guideline for setting After adjustment re insert sealing plug and make sure th...

Page 14: ...14 19 55908014 17 WIRING DIAGRAM CXE CX...

Page 15: ...the St1 label appears and the current value is shown on the screen and will flash To change the Setpoint value press and keys within 60 seconds The display will revert to the return air temperature af...

Page 16: ...re after 15 seconds The fitted de ice thermostat will activate a de ice cycle when there is a build up of ice on the evaporator coil cCellarators will only heat a room if the electric heater option is...

Page 17: ...This will help ensure that oil returns to the compressor Typically fit an oil trap every 3m with a trap at the bottom of the riser 2 In calculating equivalent lengths of pipe runs the effect of bends...

Page 18: ...4 Electrics box door 7 Thermostat bulb bracket 15 Digital display option 8 Restrictor assembly extended pipe option Capillary Entry Mains Cable Entry Point Internal Earth Terminal E N L SPARE CU CU OU...

Page 19: ...CH MANUAL OPTION 26 FUSE 10 SERVICE VALVE LIQUID 27 FUSE TERMINAL 11 SERVICE VALVE SUCTION 28 TERMINAL 4 WAY 12 VALVE PANEL 29 EARTH TERMINAL 13 BASE 30 HEAD PRESSURE CONTROL pcb 14 MOUNTING FOOT 31 3...

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