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- HCM-1860C
- Installation And Maintenance Manual
EarthLinked HCM-1860C Installation And Maintenance Manual
Summary of HCM-1860C
Page 1
Hcm-imm (10/16) ©2016 earthlinked technologies, inc. Hybrid cooling module model hcm-1860c (r410a) installation and maintenance manual.
Page 2: Disclaimer
Hcm-imm (10/16) 2 disclaimer the earthlinked® hybrid cooling module is sold as a system component part and must be properly sized and matched to the system compressor unit to provide the intended performance and safe operation of the system. This component must be installed and serviced by an eti au...
Page 3: Table Of Contents
Hcm-imm (10/16) 3 table of contents pre-installation ............................................................................................................. 4 installation - placement ............................................................................................... 6 installation...
Page 4: Pre-Installation
Hcm-imm (10/16) 4 pre-installation this hybrid cooling module (hcm) is pre-programed using a-419 temperature controllers. A sensor connector is pre-installed in the hcm cabinet and the sensor is to be placed on the liquid line. This allows for temperature-based fan control: the hcm cycles on when th...
Page 5
Hcm-imm (10/16) 5 the dimensions data for the hybrid cooling module is shown in figure 1. Dimensions, inches connections tube, od, inches sound, db(a) net weight, lbs coil h w d inlet outlet active rows fins/inch face area, sq ft 21-1/2 32-1/2 12-1/2 7/8 7/8 56.0 38 1 14 4.375 fan electrical type rp...
Page 6: Installation - Placement
Hcm-imm (10/16) 6 installation - placement the hybrid cooling module unit is placed as shown in figure 2 relative to other components in the earthlinked ® system. The hybrid cooling module is located outdoors and will be connected to the refrigerant line set (vapor tube) outside the building. Figure...
Page 7
Hcm-imm (10/16) 7 location requirements for the hybrid cooling module: 1. Within 20 feet of the earth loop line set. Minimize refrigerant line lengths. 2. No more than 20 feet higher than the earth loop manifolds. 3. With proper clearances around the unit: 24 inches minimum on the two sides and back...
Page 8: Installation
Hcm-imm (10/16) 8 installation – refrigerant connections the hybrid cooling module has two refrigerant connections on the service side of the unit as shown in figure 1. Each connection is 7/8”. Each connection is identified with a label saying “compressor” or “earth loops”. Check figure 1 and the ta...
Page 9
Hcm-imm (10/16) 9 a top view of typical hybrid cooling module and line set vapor line connections are illustrated in figure 4. For new installations of an earthlinked system with an hcm, an alternate method to the one shown in figure 4 is to run a single piece vapor line from the compressor unit to ...
Page 10: Installation
Hcm-imm (10/16) 10 installation – electrical & start-up 1. After turning “off” power to all earthlinked ® and field supplied system components at the appropriate breakers remove the hybrid cooling module control box access panel. 2. Connect the appropriate sized line voltage wires and ground wire to...
Page 11
Hcm-imm (10/16) 11 figure 5. Hybrid cooling module field wiring figure 6. Hybrid cooling module field wiring seal-tight line voltage entrance.
Page 12
Hcm-imm (10/16) 12 3. The supplied sensor has to be attached to the liquid line using the copper strap provided. If necessary, the sensor wire can be extended to a maximum of 25’ using 18/2 thermostat wire. The sensor shall be connected to the sensor terminal block at the hcm. Once attached to the l...
Page 13: M Aintenance
Hcm-imm (10/16) 13 m aintenance – regular care once a year, remove the parameter screws of the top cover of the hcm so that you can access the a419 johnson temperature controller display. Check that the display of the a419 johnson temperature controller does not say “sf” (sensor failure). In the cas...