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CCA-410-IM (03/15)

Page 12

The TXV control box is field positioned external to the vertical (upflow or downflow) cased coil and

fastened to a solid mounting surface immediately adjacent to the cased coil as shown typically in Figure

8a. Locate the TXV control box to allow a service access of at least 12 inches in front of the box to

adjust the TXV control.

Figure 8a. TXV Control installed near Cased Coil (Vertical Application)

Important!

The TXV control box must be located no more than 3-1/2 feet from the

suction tube stub out on the air handler. The TXV control box must be

mounted above the cased coil tubing stub outs as shown.

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Содержание CCA Series

Страница 1: ...CCA 410 IM 03 15 Page 1 EarthLinked CCA Series Cased Coils Installation Manual ...

Страница 2: ...nclature 4 Safety 5 Equipment Manuals 5 Installation 6 Component Matching 6 Cased Coil Placement 7 Refrigeration 9 Line Set 9 TXV Kit 11 Airflow 20 Appendix A CCA Series CE Supplemental Installation Instructions 21 Appendix B CCA Series CE Parts List 24 ...

Страница 3: ...on 10 Figure 7 TXV Control 11 Figure 8a TXV Control installed near Cased Coil Vertical Application 12 Figure 8b TXV Control installed near Cased Coil Horizontal Application 13 Figure 8c TXV Control Box Dimensions 14 Figure 8d TXV Control Box Mounting Positions 15 Figure 9 Positioning the Pressure Equalizer Tee 16 Figure 10 Thermal Bulb Positioning 17 Figure 11 Clamping the Thermal Bulb 18 Figure 1...

Страница 4: ...l Failure to provide installation and service by an authorized trained installer in a manner consistent with this manual will void the limited warranty coverage for the system Earthlinked Technologies shall not be liable for any defect unsatisfactory performance damage or loss whether direct or consequential relative to the design manufacture construction application or installation of the field s...

Страница 5: ...te Model TR94 TR97 TE54 Thermostats by manufacturer CAUTION Indicates a potentially hazardous situation or an unsafe practice which if not avoided may result in injury or equipment or property damage IMPORTANT Notification of installation operation or maintenance information which is important but which is not hazardous IMPORTANT Read and follow all installation instructions in these manuals appro...

Страница 6: ...inked compressor unit as shown in Figure 1 COMPRESSOR UNIT MODEL CAPCITY CASED COIL MODEL TXV KIT MODEL 018 1 5 Tons CCA 0018 TXV 018A 024 2 0 Tons CCA 0024 TXV 024A 030 2 5 Tons CCA 0030 TXV 030A 036 3 0 Tons CCA 0036 TXV 036A 042 3 5 Tons CCA 0042 TXV 042A 048 4 0 Tons CCA 0048 TXV 048A 054 4 5 Tons CCA 0054 TXV 054A 060 5 0 Tons CCA 0060 TXV 060A TXV Kit is included with air handler for field i...

Страница 7: ...or unit and other EarthLinked system components are shown in Figure 3 Figure 3 General Layout of System Components WARNING WEAR ADEQUATE PROTECTIVE CLOTHING AND PRACTICE ALL APPLICABLE SAFETEY PRECAUTIONS WHILE INSTALLING THIS EQUIPMENT FAILURE TO DO SO MAY RESULT IN EQUIPMENT AND OR PROPERTY DAMAGE PERSONAL INJURY OR DEATH ...

Страница 8: ...20 75 024 CCA 0024 030 CCA 0030 CCA 3036 27 x 17 x 21 5 3 8 x 3 4 15 5 x 20 16 25 x 20 75 036 CCA 0036 042 CCA 0042 CCA 4248 30 x 21 x 21 5 3 8 x 7 8 19 5 x 20 20 25 x 20 75 048 CCA 0048 054 CCA 0054 CCA 5460 30 x 24 5 x 23 3 8 x 7 8 23 x 21 5 23 75 x 22 25 060 CCA 0060 Outlet and Inlet are reversed for Downflow and Horizontl Left Applications Figure 4 General Air Handler Physical Dimensions Speci...

Страница 9: ...T O D INCHES HWM MODEL LINE SET O D INCHES LIQUID VAPOR LIQUID VAPOR 1 5 Tons 018 3 8 5 8 018C 1836 3 8 1 2 2 0 Tons 024 3 8 5 8 024C 1836 3 8 1 2 2 5 Tons 030 3 8 3 4 030C 1836 3 8 1 2 3 0 Tons 036 1 2 3 4 036C 1836 3 8 1 2 3 5 Tons 042 1 2 3 4 042C 4248 1 2 5 8 4 0 Tons 048 1 2 7 8 048C 4248 1 2 5 8 4 5 Tons 054 1 2 7 8 054C 5472 1 2 3 4 5 0 Tons 060 1 2 7 8 060C 5472 1 2 3 4 Liquid and Vapor li...

Страница 10: ...CCA 410 IM 03 15 Page 10 Figure 6 Cased Coil and Air Handler Line Set Separation ...

Страница 11: ...h the matching TXV Kit that must be field installed to enable operation of the system in the cool mode The following procedure is for the installation of the TXV Kit which must be done prior to making the line set connections to the cased coil Figure 7 illustrates the TXV Kit as shipped with the external parts for field installation identified The TXV thermal expansion valve CAV cooling assist val...

Страница 12: ...pically in Figure 8a Locate the TXV control box to allow a service access of at least 12 inches in front of the box to adjust the TXV control Figure 8a TXV Control installed near Cased Coil Vertical Application Important The TXV control box must be located no more than 3 1 2 feet from the suction tube stub out on the air handler The TXV control box must be mounted above the cased coil tubing stub ...

Страница 13: ...d to a solid mounting surface immediately adjacent to the cased coil as shown typically in Figure 8b Figure 8b TXV Control installed near Cased Coil Horizontal Application Important The TXV control box must be located no more than 3 1 2 feet from the suction tube stub out on the cased coil The TXV control box must be mounted above the cased coil tubing stub outs as shown ...

Страница 14: ... are shown in figure 8c The preferred mounting position for the TXV Control Box is vertical with the liquid line tube connections on the bottom However as shown in Figure 8d the Control Box can be mounted from vertical to any angle up to 90 degrees horizontal Figure 8c TXV Control Box Dimensions ...

Страница 15: ...ed coil for vertical and horizontal applications The vertical installation provides an illustrated example Step 1 Relieve the nitrogen holding charge on the air handler using the valve on the liquid line stub out Locate the TXV Control box within the 3 1 2 feet of the suction line stub out on the cased coil Fasten the TXV control box above the suction line stub out ...

Страница 16: ... Step 2 Position the Pressure Equalizer Tee on the suction tube at least 10 inches downstream from the 90 ell as shown in Figure 9 Remove the core from Schrader valve on the Tee Figure 9 Positioning the Pressure Equalizer Tee ...

Страница 17: ...3 00 4 00 8 00 or 9 00 positions on the suction tube as illustrated in Figure 10 Figure 10 Thermal Bulb Positioning Step 4 Clamp the thermal bulb firmly against the clean suction tube extension and parallel to it as shown in Figure 11 Isolate the Thermal Bulb from with a cold wet cloth while Nitrogen brazing the joints on the suction line After the suction line has cooled apply the supplied cork t...

Страница 18: ...CCA 410 IM 03 15 Page 18 Figure 11 Clamping the Thermal Bulb Figure 12 Insulating the Thermal Bulb ...

Страница 19: ... the compressor unit also shown in Figure 13 Nitrogen braze the joints Step 6 Replace the core in the Schrader valve and connect the pressure equalizer tube to the Schrader valve Tighten the flare connection firmly Wrap the liquid and vapor tubing including the liquid line tubing to the TXV control box with Armaflex Insul Tube or equivalent insulation of at least wall thickness between the cased c...

Страница 20: ...he associated coil pressure drops Cased Coil Model Airflow cfm Coil Pressure Drop in W C CCA 0018 CCA 0024 CCA 1824 400 0 14 600 0 20 800 0 27 CCA 0030 CCA 0036 CCA 3036 800 0 15 1000 0 23 1200 0 30 CCA 0042 CCA 0048 CCA 4248 1200 0 15 1400 0 23 1600 0 31 CCA 0054 CCA 0060 CCA 5460 1600 0 15 1800 0 24 2000 0 32 Projected pressure drop based on similar cased coils Figure 14 Airflow Vs Pressure Drop...

Страница 21: ...CCA 410 IM 03 15 Page 21 Appendix A CCA Series CE Supplemental Installation Instructions 1 Condensate Drain Preparation 2 Coil Installation 3 Coil Application CCA Series CE Vertical Horizontal ...

Страница 22: ...CCA 410 IM 03 15 Page 22 ...

Страница 23: ...CCA 410 IM 03 15 Page 23 ...

Страница 24: ...CCA 410 IM 03 15 Page 24 Appendix B CCA Series CE Parts List ...

Страница 25: ...CCA 410 IM 03 15 Page 25 ...

Страница 26: ...CCA 410 IM 03 15 Page 26 ...

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