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56408015-02 

 

   

TECHNICAL MANUAL & INSTALLATION INSTRUCTION 

 

 

SEE ALSO 56408020 INTERCONNECTING INSTRUCTIONS 

 

 
 
 
 

 

 

 

 

 

 
 
 

 

 

 
 
 

 

GENERAL 

 

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. 

 

4. 

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. 

CX(E)A & CKA SYSTEMS

 

 

Summary of Contents for Marstair 56500002

Page 1: ...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 on...

Page 2: ...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 3: ...50 CKA 70 A 760 760 860 B 256 256 307 C 552 552 660 D 330 330 370 E 290 290 340 F 510 510 630 G 50 50 50 H 85 85 85 J 70 70 70 WEIGHT 35Kg 42Kg 56Kg Valve Size LIQUID upper 1 4 1 4 3 8 Valve Size SUC...

Page 4: ...uring that it is square and level 6 Remove the drain tray then fit the drain stub nut gasket Refit the drain tray NITROGEN CHARGE The unit contains a small charge of dry nitrogen which should be disch...

Page 5: ...ipe Size OD To calculate the total equivalent length the equivalent lengths of all fittings in a pipe run must be added to the actual length of pipe in the run these are the fittings most likely to be...

Page 6: ...mating surfaces e Sight glasses and filter driers are not necessary but if required should be fitted between the outdoor unit liquid shut off valve and the expansion device EVACUATING DO NOT RELEASE...

Page 7: ...ee page 2 Cables MUST be size compatible with the recommended system fuse FUSES SYSTEM COOL ONLY WITH ELECTRIC HEATER 1PH 3PH 1PH 3PH CX E A30 CKA35 16A 16A CX E A50 CKA35 20A 20A CX E A50 CKA50 20A 2...

Page 8: ...5 2 83 2 15 3 25 3 0 CX E A 50 CKA 50 3 50 2 45 3 25 3 0 CX E A 70 CKA 70 4 62 3 24 3 25 3 0 OPTIONAL KITS PART NUMBER DESCRIPTION 55900700 3kW heater CXA only 55900701 Digital temperature display CXA...

Page 9: ...dd 1dBA or 1NC for high level wall mounted units TEMPERATURE CONTROL Do not set the controller below 8 C The SET temperature is factory set at 12 C The digital display normally displays the return air...

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