Sea Frost DC 5000 Specifications

1148 OLD CONCORD TURNPIKE BARRINGTON, NH 03825 USA TEL (603) 868-5720 FAX (603) 868-1040 1-800-435-6708 E-Mail:[email protected]

10TUBE CUTTING Use only a tube cutter; hacksawing or any other method will introduce chips to the system and also distort the tube, making connectio

11a bulkhead that directly separates the living space from the machine space to avoid excessive sound radiation. The DC 5000 may be installed close

12Install the intake through hull as low in the boat as possible. The minimum size through hull should be 1/2". In areas of floating weed and

13VALVE UNIT V/U For appearance and convenience of installation, the valve unit may be mounted outside the icebox. In certain applications and multi

14Step 2. Prior to inserting 1/2" tubing into the Swagelok tube fitting, make a pencil mark 1" from end of tube. Prior to inserting 3/8&q

15STEP 2 Before tightening the SWAGELOK nut, scribe the nut at the six o'clock position. STEP 3 Now, while holding the fitting body steady w

16 SWAGELOK PERFORMANCE Swagelok fittings have built-in spring interaction between the ferrules. This compensates for temperature changes, vibratio

17 PLANNING 1. Keep tube runs as short as possible. The suction (return) line should be as direct as possible with a minimum number of bends. 2. Ta

18RFD (Receiver Filter Drier) DO NOT OPEN THE RFD UNTIL ALL THE OTHER CONNECTIONS HAVE BEEN MADE AND YOU ARE READY TO COMMISSION THE SYSTEM. Becaus

19CABLE TIES Cable Ties should be used to support the wiring, tubing, and insulation. There is a screw hole in the end of each tie that is used for

2START UP PROCEDURE AND PERIODIC INSPECTION ATTENTION new SEA FROST owner or operator! PLEASE DO NOT OPERATE THE REFRIGERATION SYSTEM UNTIL YOU REA

20THERMOSTAT CONTROL PANEL LOCATION The Thermostat Control Panel should be outside the box in order to protect it and to allow observation of the in

21 WIRE SIZES This information is to be used as a guide only. Please make sure your wiring meets or exceeds all applicable standards. The DC

22  The positive and negative cable total length must not exceed twice the distance listed above.  Be sure your wire length calculation is from the

23[ ] 4. Check all the hose clamps for tightness. [ ] 5. Check the neatness of the installation, sufficient service access, secure wir

24WARNING NEVER OPERATE a system WITH THE HIGH side (discharge) OPEN TO the REFRIGERANT supply. Pressurization of the refrigerant container could ca

25GAUGES Gauges must be used in the evacuation and charging. They will provide information on the operation of the system when troubleshooting. A

26CONNECTING GAUGES To connect service gauges to the access service ports, remove the protective sealing caps from the service ports on the DC 5000

27VENTING THE GAUGE SET To connect the gauges to a charged system if the gauge set has not been purged with refrigerant, attach the service valves t

28COMMISSIONING PROCEDURE EVACUATION WITH A VACUUM PUMP Evacuation removes air, readying the system for charging. Connect a gauge set to the ser

29LEAK CHECKING A CHARGED SYSTEM ABOUT PRESSURES Refrigerant in a saturated condition, part liquid and part vapor will exert a pressure that is a f

3There are three conditions of charge indicated by the sight glass: 1. A black or clear glass and no cooling indicates no charge. Turn off the comp

30NOTE:  Propellants and solvents (sprays and foams) may upset electronic detectors.  To confirm a leak detected with a detector use bubbles and

318. Leak check the capped connection service ports with the leak detector. 9. Spray the acrylic coating, or similar rust inhibitor, on all the fi

32 RFD SIGHT GLASS DETAIL CLEAR (or empty) STATIONARY BUBBLES FOAM (low charge) PROPER CHARGE AMOUNT THE DC 5000 SYSTEM IS DESIGNED TO HOLD 24

33DISCHARGING THE SYSTEM Before the connections or components can be disassembled, the refrigerant must be recovered with a reclaiming machine. Con

34 b) If the pressure readings are over 50 psi with the compressor off, proceed to check charge level via sight glass and charge if needed. Ch

35Recharge. Refer to "New System Charging". MOISTURE IS A SYMPTOM. Carefully leak check the low side of the system if moisture becomes a

36PRESSURE CHARTS

37PRESSURE CHARTS

38PRESSURE CHARTS

39DC 5000 MOTOR AND WATER PUMP MAINTENANCE Lubrication The DC 5000 motor and the March water pump are supplied with lifetime lubricated ball bearin

4TABLE OF CONTENTS OPERATION 5GENERAL DESCRIPTION 5ICE MAKING 7MAINTENANCE 7-8HOW REFRIGERATION WORKS 8-9INSTALLATION 9COMPRESSO

40 Tip: In a new motor with new brushes the back of the brush will be flush with the brush housing, as the brush wears the distance into the

41DC5000 WIRING

42 DC 5000 LAYOUT

43DC 5000 WATER CIRCUIT

44TWIN VALVE SYSTEMS ONLY

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47 DC 5000 Low Voltage Protection Relay The DC 5000 uses a Macromatic relay to monitor the voltage at the compressor motor. The relay has an adj

48 148 OLD CONCORD TURNPIKE BARRINGTON, NH 03825 USA TEL (603) 868-5720 FAX (603) 868-1040 1-800-435-6708 E-Mail:[email protected]

49HOLDOVER PLATES STAINLESS STEEL EVAPORATOR PLATES

5GENERAL DESCRIPTION The SEA FROST DC 5000 is a cold storage refrigeration system powered by a 1/2 horsepower permanent magnet direct current 12-vol

6After about one hour (with a single plate), the plate will become very cold. Starting from warm will require more running than the normal refreezin

7ICE MAKING WITH VERTICAL TRAYS ON VERTICAL PLATE SYSTEMS Fill the vertical trays with water and hang them on the stainless steel rod on the face o

8CLEANING The plate surface protects itself with a layer of oxidation. You might find after a long period of storage the plate will look chalky. T

9 By causing R-134a to boil (evaporate) in the SEA FROST plate, we use the heat energy there. This activity cools the liquid solution within the pla