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  5. Installation, operation & maintenance manual

EarthLinked HWM-18B Installation, operation & maintenance manual

Manual is about: Hydronic Water Module for R-407C Heat/Cool and Cool Only Systems

Summary of HWM-18B

  • Page 1

    Hwm-407ch-iom (09/13) copyright 2013 earthlinked technologies, inc earthlinked ® hydronic water module installation, operation & maintenance manual for r-407c heat/cool and cool only systems.

  • Page 2

    Hwm-407ch-iom (09/13) page 2 disclaimer this manual contains instructions for the earthlinked ® hydronic water module which is combined with other earthlinked ® system components, field specified hydronic heating and chilled water cooling components, thermostats, storage water heaters, storage water...

  • Page 3: Table Of Contents

    Hwm-407ch-iom (09/13) page 3 table of contents 1. Inspection/pre-installation ........................................................................................................ 5 a. Inspection ........................................................................................................

  • Page 4: List Of Figures

    Hwm-407ch-iom (09/13) page 4 list of figures figure 1. Matching component model numbers ................................................................................ 5 figure 2. General system layout ....................................................................................................

  • Page 5

    Hwm-407ch-iom (09/13) page 5 1. Inspection/pre-installation a. Inspection upon receipt of the equipment, carefully check the shipment against the bill of lading. Reference earthlinked ® matching system component model numbers in figure 1. Make sure all units have been received and model numbers are ...

  • Page 6

    Hwm-407ch-iom (09/13) page 6 equipment should be stored in its packaging in a clean, dry area. Store equipment in an upright position at all times. Equipment is to be stacked in accordance with the notation on the packaging. Do not remove equipment from shipping cartons until equipment is required f...

  • Page 7

    Hwm-407ch-iom (09/13) page 7 2. General system layout guidelines for the general layout of the hydronic water module and other earthlinked ® system components are shown in figure 2. Figure 2. General system layout.

  • Page 8

    Hwm-407ch-iom (09/13) page 8 3. Applications a typical application of the hydronic water module to a chilled water cooling and radiant panel hydronic heating system is illustrated in figures 3. Figure 3. Typical chilled water cooling and radiant panel hydronic heating system.

  • Page 9

    Hwm-407ch-iom (09/13) page 9 a typical application of the hydronic water module to a chilled water cooling system is illustrated in figures 4. Figure 4. Typical chilled water cooling system.

  • Page 10

    Hwm-407ch-iom (09/13) page 10 4. The primary circuit a. Plumbing the primary circuit in a typical hwm installation is shown in figure 5. Figure 5. Primary circuit for earthlinked ® system with hwm the hydronic water module primary circuit water solution plumbing must be installed consistent with loc...

  • Page 11

    Hwm-407ch-iom (09/13) page 11 figure 6. Typical hwm primary circuit plumbing b. Antifreeze protection when the hwm hydronic water module is applied to radiant panel hydronic heating and chilled water cooling systems, the water circulating system must be protected from potential damage due to freeze-...

  • Page 12

    Hwm-407ch-iom (09/13) page 12 propylene-glycol antifreeze solution with an inhibitor is the type of antifreeze solution required for earthlinked ® products utilized in radiant panel hydronic heating and/or chilled water cooling systems. These systems shall be freeze protected consistent with the app...

  • Page 13

    Hwm-407ch-iom (09/13) page 13 • drain some water from the system to provide enough volume for the calculated amount of fluid. • add the correct amount of fluid and any water needed to completely refill the system, allowing for liquid expansion due to operating temperature. • circulate the inhibited ...

  • Page 14

    Hwm-407ch-iom (09/13) page 14 d. Storage water heater sizing and connections storage water heaters are necessary with earthlinked ® radiant panel hydronic heating and chilled water cooling systems, as illustrated in figures 3, 5 and 6. Eti models 60, 80 or 119 gste storage water heaters are configur...

  • Page 15

    Hwm-407ch-iom (09/13) page 15 figure 8c. Typical hwm piping illustration e. Circulating pump, piping, strainer and flowmeter the hwm system primary circuit piping arrangements for chilled water (to air) cooling and radiant panel hydronic heating are illustrated in figures 3 and 4..

  • Page 16

    Hwm-407ch-iom (09/13) page 16 the hydronic water module physical dimensions as well as water solution piping connections are illustrated in figure 9. Figure 9. Hydronic water module (hwm).

  • Page 17

    Hwm-407ch-iom (09/13) page 17 figure 10a lists the minimum nominal type l hard copper pipe and fitting sizes, and the strainer required for the primary circuit between the hot water module (hwm) and the storage water heater. Compressor unit size & capacity, btuh hwm models minimum nominal type l har...

  • Page 18

    Hwm-407ch-iom (09/13) page 18 5. Controls and electrical a. Hydronic heating and chilled water cooling figures 3 and 5 illustrate a typical hydronic heating and chilled water cooling primary circuit configurations. The use of a three-way valve is shown in these illustrations. For heating, the valve ...

  • Page 19

    Hwm-407ch-iom (09/13) page 19 figure 10c. (part 2 of 2) electrical field wiring – hydronic heating and chilled water cooling (hwm) b. Chilled water cooling the electrical field wiring for the cwk-1872 chilled water temperature controller is illustrated in figure 10d (part 1 of 2) and 10d (part 2 of ...

  • Page 20

    Hwm-407ch-iom (09/13) page 20 figure 10d. (part 1 of 2) electrical field wiring – chilled water cooling (hwm) figure 10d. (part 2 of 2) electrical field wiring – chilled water cooling (hwm).

  • Page 21

    Hwm-407ch-iom (09/13) page 21 c. Hwm freeze protection thermostat 1. The freeze protection thermostat is factory installed. The thermostat wiring must be connected when the hwm is installed. Run the wire through the electrical port in the top panel of the hydronic water module cabinet. After attachi...

  • Page 22

    Hwm-407ch-iom (09/13) page 22 6. Start-up the following conditions must be met before starting the hwm: • the toggle switch on the hwm cabinet must be “off”. • the system has been charged according to instructions. • heating elements in the hot water storage tank are “off”. • temperature of water in...

  • Page 23

    Hwm-407ch-iom (09/13) page 23 figure 11. Maximum operating conditions (r-407c) 6. As appropriate, adjust chilled water controller to a temperature cut out point which is approximately 5°f above the desired chilled water leaving temperature ..

  • Page 24

    Hwm-407ch-iom (09/13) page 24 7. Heat exchanger maintenance a compact brazed heat exchanger is utilized in the hydronic water module. The water flow rate designed into each of these heat exchangers is 2 or more gallons per minute per ton of nominal system capacity. The acceptable water flow rate ran...

  • Page 25

    Hwm-407ch-iom (09/13) page 25 figure 13. Minimum heat exchanger propylene glycol/water solution flow rates to test the solution flow through the hydronic water module, average three solution flow rate readings when the hwm is in continuous operation as shown in figure 6. Check the flow rate against ...

  • Page 26

    Hwm-407ch-iom (09/13) page 26 figure 14. Hwm heat exchanger cleaning set-up disconnect power from hwm and be sure pump is off. Mix heat exchanger cleaning solution in a 55 gallon drum can be sealed and disposed of in accordance with local and federal chemical waste regulations, when the cleaning pro...

  • Page 27

    Hwm-407ch-iom (09/13) page 27 mix 1 gallon of concentrated liquid ice machine cleaner per 15 gallons of water in a 55 gallon drum as shown in figure 14. Connect the 3/4” id x 15’ heavy duty hose to the hose bibb on gate valve (3) and return to the container holding the cleaning solution. Connect the...

  • Page 28

    Hwm-407ch-iom (09/13) page 28 8. Tools and equipment the purpose of the following list is to highlight key pieces of equipment, tools and materials necessary for the installation, maintenance and servicing of earthlinked® heating and cooling system hvac (above ground) equipment. The professional hva...

  • Page 29

    Hwm-407ch-iom (09/13) page 29 index circulating ...........................................................................................................................15, 18, 27 compressor ..............................................................................................................