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TECHNICAL MANUAL & INSTALLATION INSTRUCTION
SEE ALSO 56408020 INTERCONNECTING INSTRUCTIONS
1.
TEV Ltd recommend that personnel working on this equipment be skilled and fully conversant with
the appropriate Air Conditioning, Refrigeration and Electrical practices and have sound knowledge
of current Industrial Safe Working practices.
2.
These units contain live electrical components, moving parts and refrigerant under pressure.
Always site out of reach of children and protect from vandalism.
3.
The data plate only gives information for the particular unit. For system details add input power and
current of indoor and outdoor unit, including any heater load.
NOTE: The New 17 series CKA's are pre-charged for 7.5 metre pipe run. The older models of the
4.
CKA's have a small nitrogen charge. Please check before installation.
GENERAL
CX(E)A & CKA SYSTEMS
56408015-04
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Table of Contents
Related Manuals for Marstair 17 Series
Summary of Contents for Marstair 17 Series
- Page 1 The data plate only gives information for the particular unit. For system details add input power and current of indoor and outdoor unit, including any heater load. NOTE: The New 17 series CKA’s are pre-charged for 7.5 metre pipe run. The older models of the CKA’s have a small nitrogen charge. Please check before installation.
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Page 2: Dimensions And Weights
DIMENSIONS & WEIGHTS All dimensions in mm 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 3 CKA ARRANGEMENT CKA 50 CKA 70 A (mm) B (mm) C (mm) D (mm) E (mm) F (mm) G (mm) H (mm) J (mm) WEIGHT 35Kg 42Kg 56Kg Valve Size 1/4" 1/4" 3/8" LIQUID (upper) Valve Size 1/2" 1/2" 5/8" SUCTION (lower) 56408015-04...
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Page 4: Installation
The indoor units CX(E)A contain 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. The new 17 Series CKA are pre-charged with R410A Refrigerant. CKA Part numbers... - Page 5 CKA 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. CKA PIPEWORK NOTE: Please check this before installation. MAXIMUM EQUIVALENT PIPE LENGTHS 25m Performance is based on 15m pipe runs.
- Page 6 For systems with interconnecting pipework in excess of 7.5 metre add 20gms per metre on CKA 35 & CKA 50, add 30gms per metre on CKA 70. No additional oil is required. PIPE CONNECTIONS Units are supplied with the following male flare connections (sizes in inches): INTERCONNECTING PIPEWORK (Max 25 metres) Torque (NM) Nut A/F (mm)
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Page 7: Electrical Connections
CONDENSATE DRAIN Push fit connections are widely available for the 7/8” (22mm) OD condensate drain and 3/4"(19mm) ID drain stub adaptor. Alternatively 7/8” (22mm) bore plastic tubing may be fitted directly to the stub/adaptor with a hose clamp. Take care not to over tighten hose clamps as this could damage the stub pipe. ELECTRICAL CONNECTIONS •... - Page 8 CX(E)A OPTIONS OPTIONAL KITS PART NUMBER DESCRIPTION 55900700 3kW heater (CXA only) 55900701 Digital temperature display (CXA only) STD on CX(E)A 55900702 De-ice thermostat (CXA only) STD on CX(E)A 55900715 3kW heater (CX(E)A only) DIMENSIONS & WEIGHTS MODEL UNPACKED (all in mm) PACKED (all in mm) CX(E)A HEIGHT...
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Page 9: Sound Power And Sound Pressure Levels
2. Setting the unit to HEAT and then back to COOL quickly NB: Allow at least 3 minutes between the above actions. 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 56408015-04...