Thermo King MAGNUM Maintenance Manual

133, Thermo King MAGNUM Refrigeration Maintenance 132 3. Remove small service port caps from suction and discharge service fittings. Save and reuse the caps and sealing washers or gaskets. 4. Rotate both hose coupler hand wheels counterclockwise to back the stem out of the high and low hose fittings. Attach low …

160, Diagnosis: Troubleshooting, Status Messages, Alarm Codes 159 Troubleshooting Refrigeration Problems Condition Possible Cause Remedy Load temperature too high— unit not cooling Compressor does not operate See “Mechanical Diagnosis” Controller setpoint too high Adjust controller setpoint De…

113, Operating Theory 112 the time interval each timed defrost interval. Defrost synchronization creates step intervals of 3, 4, 4, 5, 5, 6, 6 and 7 hours. Maximum time interval is 7 hours. • On Frozen Loads, the initial time interval is 8 hours. Two (2) hours are added to the time interval eac…

150, Refrigeration Maintenance 149 Figure 97: Vapor Injection Valve Vapor Injection Valve Replacement NOTE: In most cases, only the coil requires replacement. No other repair is possible on solenoid valves. Valve Removal To remove the vapor injection valve, perform the following steps: 1. R…

27, Specifications 26 Physical Specifications Fresh Air Exchange Venting System (Adjustable): MAGNUM and MAGNUM SL 0 to 285 m 3 /hr (0 to 168 ft 3 /min.) @ 60 Hz 0 to 237 m 3 /hr (0 to 139 ft 3 /min.) @ 50 Hz MAGNUM 20 0 to 160 m 3 /hr (0 to 96 ft 3 /min.) @ 60 Hz 0 to 134 m 3 /hr (0 to 79 ft 3 /min.…

98, Operating Instructions 97 NOTE: If the inlet / outlet tubes or filter need to be cleared, disconnect from the gas analyzer BEFORE purging air through the tubes. If tubes remain connected, serious damage to the gas analyzer could occur. Code 69 Gas Analyzer Calibration (Normal) 1. Stale atmosp…