Related Manuals for Marstair CX Series
Summary of Contents for Marstair CX Series
- Page 1 TECHNICAL MANUAL CXE PUMP DOWN SPLIT SYSTEMS CXE PUMP DOWN LOW TEMPERATURE SPLIT SYSTEMS 55908061-01...
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Page 2: Table Of Contents
CXE Pump Down units are fitted with an expansion assembly and solenoid valve These units must be ran on a liquid line and matched with the Marstair CKC Pump Down units which are fitted with a liquid receiver. -
Page 3: Part Numbers, Unit Combinations, Options
PART NUMBERS MODEL CXE 30 PD CXE 40 PD CXE 50 PD CXE 70 PD CXE 90 PD PART NUMBER 55917006 55917007 55917008 55917009 55917010 MODEL CKC 20 PD 1ph CKC 30 PD 1ph CKC 50 PD 1ph CKC 80 PD 1ph PART NUMBER 55050800 55050801... -
Page 4: Dimensions & Weights, Performance Data
DIMENSIONS & WEIGHTS MODEL UNPACKED PACKED CX(E) HEIGHT WIDTH DEPTH WEIGHT HEIGHT WIDTH DEPTH WEIGHT MODEL UNPACKED PACKED WEIGHT WEIGHT HEIGHT WIDTH DEPTH HEIGHT WIDTH DEPTH 1000 1090 1000 1090 1000 1090 1000 1090 PERFORMANCE DATA (kW) Above 8°C System Matches 12.7/10 &... -
Page 5: Air Flow, Sound Power And Sound Pressure Levels
AIR FLOWS SOUND POWER AND SOUND PRESSURE LEVELS INDOOR UNIT SOUND POWER LEVELS MAXIMUM SOUND PRESSURE SPEED LEVELS Frequency Hz dB(A) CX(E) 30 69.1 67.7 67.6 65.6 62.2 CX(E) 40 69.1 67.7 67.6 65.6 62.2 CX(E) 50 71.7 69.2 69.1 67.1 63.2 58.5... -
Page 6: Electrical Data
ELECTRICAL DATA Above 8°C System Matches 1 PH 230V 50Hz INPUT POWER FULL LOADS AMPS SYSTEM MAX. COOLING HEATING COOLING HEATING STARTING CURRENT MODEL AMPS AMPS AMPS INDOOR/OUTDOOR CX(E) 30 + CKC 20 13.8 13.8 CX(E) 40 + CKC 30 13.8 CX(E) 50 + CKC 50 12.3... -
Page 7: Cx(E) Dimensions
CX(E) DIMENSIONS 888 (Fixing centres) 17.5 TOP VIEW (Ceiling Mounted) 17.5 MIN. MIN. SIDE VIEW FRONT VIEW SIDE VIEW (Wall mounted) (Wall mounted) (Ceiling mounted) X = Interconnecting Wiring = Suction MIN. 500 = Liquid / Expansion FOR SIDE ACCESS 65 TYP. -
Page 8: Installation
INSTALLATION CONTENTS PARTS DESCRIPTION ACTION Envelope containing operating instructions and Pass to the end user. Declaration of Conformity Mounting brackets Use to hang unit. Drain Stub/Nut/Gasket Fitted by installer. Drain stub adaptor Convert to ¾" drain if required. Screw M5 To fix brackets to unit. - Page 9 MAXIMUM EQUIVALENT LENGTH OF SUCTION LINE PIPE SIZES (m) LIQUID LINE SYSTEM 3/8" 1/2" 5/8" 3/4" 7/8" 1/4" 3/8" 1/2" CX(E)40 + CKC20 CX(E)50 + CKC40 CX(E)70 + CKC60 CX(E)90 + CKC80 PIPE CONNECTIONS Units are supplied with the following male flare connections (sizes in inches): INDOOR UNIT CX(E)30 CX(E)40...
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Page 10: Ckc Refrigerant
RESTRICTORS Indoor units are supplied with restrictors fitted. NOTE When the CXE 40 is matched with a CKC 20. The restrictor in the indoor unit must be changed to 0.033" When the CXE 50 is matched with a CKC 40. The restrictor in the indoor unit remains as a 0.050"... - Page 11 Liquid line Expansion line Charge 1/4" 3/8" 3/8" 1/2" 5/8" based on:- 25 g/m 60 g/m 16 g/m 30 g/m 48 g/m Additional POE oil 25g per 350g of additional refrigerant to a maximum of 300g NOTE: The new 50 Series CKC are supplied with a Nitrogen holding charge. See pages 12 & 13 for refrigerant charge information.
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Page 12: Electrical: Connections & Fuses
CXE PUMP DOWN 17 SERIES MATCHED WITH CKC 50 SERIES UNITS WITH MICROCHANNEL COIL Part Number Liquid Line System CX(E)30 + CKC20 55917006 55050800 1079 1204 CX(E)40 + CKC30 55917007 55050801 1034 1334 1634 1934 2234 2534 2834 3134 3434 R407C CX(E)50 + CKC50 55917008 55050803... -
Page 13: Wiring Diagrams
WIRING DIAGRAM CXE PUMP DOWN Note: Only 'Mains in' supply needs connecting when running system on pump down, no need to connect to 'CU OUT' Terminals 13/19 55908061-01... - Page 14 CKC PUMP DOWN Note: Only 'Mains in Live, Neutral & Earth' supply needs connecting when running system on pump down, no need to connect to 'Remote thermostat -8' or 'Control wire - 42' or 'To Evaporator unit' Terminals TIMER RELAY SETTINGS Note: Set for minimum compressor off time, minimum 30 seconds 14/19 55908061-01...
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Page 15: Cx(E) Controls
CXE ELECTRONIC COOLING SYSTEM CONTROLS CAREL IR33 Controller ON/OFF SWITCH The switch operates the fan motor and is illuminated when power is supplied to the indoor unit. When switched OFF, the fan stops, the switch remains illuminated and the crankcase heater in the outdoor unit (if fitted) remains live. Minimum Set Temperature 8°C Minimum Set Temperature 4°C INDOOR UNIT OUTDOOR UNIT... -
Page 16: Ckc Installation: Dimensions
CKC INSTALLATION MOUNTING Whether floor or wall mounted, it is essential that the mounting surface is capable of supporting the unit weight. Leave space around the unit for air circulation and access for installation and maintenance. Dimensions in mm. MODEL CKC 20 CKC 30 CKC 40... -
Page 17: Cx(E) Units
CX INDOOR UNIT COMPONENT IDENTIFICATION Grille De-ice stat Fan / motor Heater assembly (option) Case Drain stub adaptor Wall / ceiling mounting brackets Drain tray Heater bracket Side access panel Coil assembly Electrics box door Thermostat bulb & bracket Thermostat Restrictor assembly Solenoid Valve INSIDE VIEW OF ELECTRICS BOX... -
Page 18: Ckc Units
CKC OUTDOOR UNIT COMPONENT IDENTIFICATION 18/19 55908061-01... -
Page 19: Commissioning Check List
Additional POE oil added Pipe run length (ʺ) Suction pipe size (ʺ) Liquid / Expansion pipe size TEV LTD, ARMYTAGE ROAD, BRIGHOUSE, WEST YORKSHIRE, HD6 1QF. TEL: + 44 (0) 1484 405600 FAX: +44 (0) 1484 405620 EMAIL: sales@marstair.com WEB: www.marstair.com 19/19 55908061-01...