Truck/Trailer Refrigeration Unit - Sunbelt Transport Refrigeration

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1 2564FRRR1HGR2HGR1RR2RRUFR 3HGR 3RRURR 1CR SRDER2CRORARR 3CR FHR731. Ammeter2. Manual Glow/Crank Switch3. Compartment On/Off Switches4. Diode, Block5. Relays6. Fuses7. Starter Solenoid Relay (SSR) andGlow Plug Relay (GPR)Figure 1-9. Relay Box -- <strong>Trailer</strong> <strong>Unit</strong>1-9 62-02884
e. EvaporatorsThe compartments of the Multi-Temp system areequipped with separate evaporators.For Multi-Temp applications, single discharge anddouble discharge evaporators are available. Theevaporators are different in size, capacity and number offans, but all work on the same principle and use the samesingle-phase 50Hz/60Hz fan assembly. The electricalheaters vary according to the type of condensing unitused and number of compartments. (see Figure 1-11)The evaporator is constructed with aluminiumprofiles designed to meet the specific requirements of thetransport industry. The bottom section of the evaporatoris hinged to allow easy access to both the electrical andrefrigeration hardware. The air outlet profiles aredesigned to adjust to allow different airspeeds andvelocity.Inside the evaporator housing are one or more of thefollowing :240 Volt Single phase backward curved impellerwhich supplies high air volumes at low noise levels;expansion valve; check valve; 12V hot gas solenoid; 12Vliquid line solenoid; 12V water drain heater; electricalheater element; sensor (defrost termination sensor);safety heating thermostat.f. Compartment Control Box (Optional)The compartments of the Multi-Temp system maybeequipped with remote mounted control box (seeFigure 1-10). This control box has a system on/off button,compartment on/off buttons and a manual defrostbutton. The remote mounted control box displays currentcompartment temperature and setpoint.Set setpoint by pressing the up or down arrows asrequired. The control box can be locked (no buttonsactive) by pushingthe Carrier oval once. This will activatethe LED next to the lock picture. To unlock the controlbox press the Carrier oval for 10 seconds. When thecompartment control box is locked the temperaturesetting and manual defrost can still be altered withmicroprocessor panel.Figure 1-10. Compartment Control Box62-028841-10
Page 5 and 6: TABLE OF CONTENTS (CONT’D)Section
Page 7 and 8: LIST OF ILLUSTRATIONSFigurePage4-18
Page 9 and 10: 61 2 3 4 57 811 1091. Muffler2. Eng
Page 11 and 12: 213 4 58 106793 41. Run-Stop Switch
Page 13 and 14: 113214345678910151617111812191. Mai
Page 15: 1231. Fault Light2. Standby Power L
Page 19 and 20: 1.2 ENGINE DATAEngine Model CT4-134
Page 21 and 22: 1.7 SAFETY DEVICESSystem components
Page 23 and 24: 2 3 4 5 6 7 8 9 101FUNCTIONO ISETPO
Page 25 and 26: 1.8.6 FUNCTIONAL PARAMETERSThe func
Page 27 and 28: Engine HoursThe number of diesel en
Page 29 and 30: Coolant Temperature Sensor AlarmThe
Page 31 and 32: g. Minimum On-TimeThe engine is all
Page 33 and 34: 1.12.3 Hot Gas Bypass Unloadera. Ma
Page 35 and 36: 1.14 REFRIGERANT CIRCUIT DURINGCOOL
Page 37 and 38: 1614513LSV31715HGV31614513LSV21715H
Page 39 and 40: 1614513LSV3 (NC)1715HGV3 (NC)161451
Page 41 and 42: 2.2.2 MANUAL STARTINGa. Starting In
Page 43 and 44: 2.6 CONTROL CIRCUIT OPERATION --STA
Page 45 and 46: FALLING TEMPERATURERISING TEMPERATU
Page 47 and 48: 62-028842-8Table 2-3. 3 Compartment
Page 49 and 50: INDICATION/TROUBLEPOSSIBLE CAUSESRE
Page 55 and 56: 4.2 MAINTENANCE SCHEDULE (TRAILER)U
Page 57 and 58: 1105432shaft). Energize solenoid fo
Page 59 and 60: . Electrical Pump (See Figure 4-4)T
Page 61 and 62: a. Alternator V-Belts (Trailer Unit
Page 63 and 64: 4.7 PUMPING THE UNIT DOWN ORREMOVIN
Page 65 and 66: 1. Suction Line2. Equalizer Line3.
Page 67 and 68:
k. Slide compressor enough to clear
Page 69 and 70:
. Solenoid Coil ReplacementNOTEThe
Page 71 and 72:
4.18.2 Solenoid Valve -- Sporlana.
Page 73 and 74:
4.22 CONFIGURATION OF MICROPROCESSO
Page 75 and 76:
4.25 5KW GENERATOR -- TRAILERThe 5K
Page 77 and 78:
4.27 SERVICING PHASE SEQUENCEWARNIN
Page 79 and 80:
4.30 THERMOSTATIC EXPANSION VALVETh
Page 81 and 82:
Table 4-7. R-404A Pressure -- Tempe
Page 83 and 84:
62-028845-2Figure 5-1. Truck Units
Page 85 and 86:
5-4Figure 5-2. Truck Units --- Elec
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Truck/Trailer Refrigeration Unit - Sunbelt Transport Refrigeration

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