ThermaFlo OzSaver 4000 Manual

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4000

Thermaflo 88-B Industry Ave. Springfield, MA 01104

800-8484-CFC

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Summary of Contents for ThermaFlo OzSaver 4000

Page 1 4000 Thermaflo 88-B Industry Ave. Springfield, MA 01104 800-8484-CFC...
Page 2: Table Of Contents
Figure 4 Charging With Hot Vapor UNITED STATES PATENT: 4766733 UNITED STATES PATENT: 4809515 UNITED STATES PATENT: 4981020 Other US and Foreign Patents Pending MODEL 4000 Theimaflo* 3640 Main Street • Springfield, MA 01107 Mar 1 998 THERMAFLG is division of American THERMAFLO Corporation 2436A0*...
Page 3: Introduction
THERMAFLO backs up this claim o f quality with a comprehensive service program and a full warranty. The people at THERMAFLO have put a great deal o f time, effort and pride in producing this product. We believe that our continued diligence will assure better products, services and satisfied customers.
Page 4: Read Me First
425 psig., the OZsaver™«^ unit will shut off and the High Pressure light will be illuminated. OZsaver™ LjU Inlet Filter THERMAFLO requires that a THERMAFLO filter part # ALF-052, standard 052 or 053 filter drier ,or equivalent be used on the inlet side in order to protect the OZsaver™/^, unit from particulate damage.
Page 5 OZsaver "fujll Helpful Hints • If a service manifold is being utilized to access the equipment being serviced, the liquid must be recovered first. • When the OZsaver™ Ljll unit is switching from liquid to vapor recovery it will make a repeated "clicking"...
Page 6: Safety
SAFETY CONSIDERATIONS PRESSURIZED tanks contain liquid refrigerant. Overfilling of the tank may cause a violent explosion and possible injury or death. The tank must be set on a calibrated scale to prevent overfilling. Use only authorized refiliable tanks. Do not recover refrigerants into a non-refillabte tank.
Page 7: Liquid And Vapor Recovery Method
LIQUID AND VAPOR RECOVERY METHOD SERVICE MANIFOLD REQUIRED (Refer to Figure 2) Before starting this operation, an empty tank must be located on a calibrated scale. If a partially filled tank is being used, a sub-cooling operation must be performed to improve recovery performance.
Page 8 FIGURE 2 LIQUID VAPOR RECOVERY METHOD VAPOR CALIBRATED SCALE TANK RETURN FILTER 2 4 3 6 A 6 -...
Page 9: Push-Pull Liquid And Vapor Recovery Method
PUSH-PULL LIQUID AND VAPOR RECOVERY METHOD (Refer to Figure 3) If a partially filled tank is being used, a sub-cooling operation must be performed to improve recovery performance. See page 11 for sub-cooling instructions. 1. PLUG in the power cord to a 110-120 VAC 15 amp. minimum supply. 2.
Page 10 FIGURE P U S H - P U L L LIQUID VAPOR RECOVERY METHOD 2436A8-...
Page 11: Charging Operation With Hot Vapor
CHARGING OPERATION WITH HOT VAPOR (Refer to Figure 4) 1. PLUG in the power cord (must be a 110-120 VAC, 15 amp minimum service). 2. CONNECT a hose from the SELF-EVACUATE port on the OZsaver”Itfi unit to the center port of the service manifold.
Page 12: Self-Evacuation
SELF-EVACUATION 1. CLOSE all valves, including tank valves. Make sure safety cable is connected. If the PUSH-PULL recovery procedure is being used continue to step 2 otherwise go to step 3. 2. REMOVE the hose that is connected between the SELF-EVACUATE port and the LOW side of the system being serviced.
Page 13: Sub-Cool Operation
SUB-COOL The Sub-cool position on the rocker switch, located on the front of the O Z s a v e r u n i t allows the operator to Sub-cool the storage tank when the OZsaver unit is connected per the standard method or when using a service manifold. While in the Recovery Mode, move the rocker switch to Sub-cool and the OZsaver™...
Page 14: Troubleshooting
1. Plug in the power cord to 110 vac, 15 amp minimum supply. 2. Attach the safety cable to a tank sensor or use a Thermaflo test plug (Part # 1997-10). 3. TURN the SELF EVACUATE SELECTOR KNOB to the OFF position.
Page 15 »2 & £ J * . —0 s J -0 P8C55URC S W JC H S rE H -O w < j> D £ q Solenoid # 1 Solenoid #2 Solenoid #3 Solenoid #4 Liquid Recovery Open at 20 CLOSED OPEN OPEN Psigoriess...