Carrier 040-420 manuals
Household Appliance > Air Conditioner
When we buy new device such as Carrier 040-420 we often through away most of the documentation but the warranty.
Very often issues with Carrier 040-420 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Air Conditioner Carrier 040-420 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Air Conditioner on our side using links below.
Carrier 040-420 Specifications
76 pages 3.41 Mb
040-420 Contrch with CONTENTS SAFETY CONSIDERATIONS 2 GENERALMAJOR SYSTEM COMPONENTS Processor Module Control Switch Options Module Electronic Expansion Valve Module Low-Voltage Relay Module Keypad and Display Module (also called HSlO or LID) 3 (DsroiLv)30GN Control Panel (040-110, 240B, 270B Unit Shown) Fig. 1 4 IElectronic Expansion Valve (EXV) Sensors Compressor Protection Control Module (CPCS) 5 OPERATION DATA Capacity ControlTable Capacity Table 4A Capacity Control Steps, 040-070 (cant) 6 ?IY 1:; Ei: 7 GHz) ylf,t 8 y&fA;.$! 9 A;:!10 T12 A/p A;;;#18 B;$+ ~l*;;{#20 CKELl- 21 l-(86p l Capacity Control Steps, 130-210 and Associated Modular Units l 22 Al* Al% * Capacity Control Steps, 225, 250,280 23 *1AB1l hwrox)UNIT 30GT Hz) Capacity Control Steps, 225, 250,280 (cant) t: 24 s7: :i SEQUENCE A Compressors LOAC SEQUENCE B Compressors Capacity Control Steps, 225, 250, 280 (cant) l $;; 250 f& 250 Hz), 25 Al 26 . -_----27 Pumpout Keypad and Display Module (Also Called HSIO or LID) 28 HISTSRVC q CHD El EST El 0 ENTR29 Table Functions and Subfunctions 4 Table 8 Accessing Functions and Subfunctions I cl Keypad Directory STATUS 30 ;,; 636 J7 4-20 Head SET POINT t 37 I42 n43 q n4-20 7B Using Demand Limit Example Cooling Temperature Reset Example 7A Using Demand Limit (4-20 mA) (First Log On as Shown in Table 11) (First Log On As Shown in Table 11) To Disable Demand Limit: ENTR MHKEENYTPRAYD I 47 1 IEYo[48 TROUBLESHOOTINGSingle Circuit Stoppage Restart Procedure Lag Compressor Stoppage Checking Display Codes Complete Unit Stoppage Unit Shutoff Alarm Codes 49 I terminal strip receives voltage when compressor is not supposed to be on. Table 14 Alarm Codes * 50 Compressor Alarm Circuit 52 i2G753 IFig. 1OB 24-V Safety Circuit Wiring (080-110 and Associated Modular Units) 55 c -Fig. IOD 24-V Safety Circuit Wiring (225, 250, and 280 Units) 56 T58 Fig. 13 Thermistor and Pressure Transducer Locations : 59 I 225, 250, 280) REFRIGERANT TEMPERATURE SENSOR (T7, T8 WATER-SIDE TEMPERATURE SENSOR (Tl, T2, Fig. 14 Thermistor Locations (Circuits A and B, Lead Compressor Only) ALL UNITS), (T7, T8 040-210 AND ASSOCIATED MODULAR UNITS) Fig. 15 Thermistors Thermistors 60 rPressure Transducers -7561 Table Flotronic vs Resistance/Voltage Drop; (OF) Thermistor Temperature 15 II Table 16 (C) Thermistor Temperature vs Resistance/Voltage Drop; Flotronic II (C) 6i 62 r c.t; . I . i64 Control ModulesModule --/%o-6 65 1 $i !;i 66 EEM67 Table 17 Troubleshooting 68 ACCESSORY UNLOADER INSTALLATION69 i Hz) and 130 (60 Fig. 23 (SO/SO 080-110 Hz) Accessory Unloader Control Wiring FIELD WIRING 71 -k3674 rem--- cl ----- -I ----- v--w L _--B-B 0 L ------------cl H---- -cl r--3OGN040-210 Fig. 32 Remote Reset from 4-20 Fig. 31 -a3Remote Reset from 4-20 Fig. 30 NOTE: AND ASSOCIATED MODULAR Fig. 29 4-20 Demand Limit Fig. 28 5 --j370 ------- -- AND ASSOCIATED MODULAR UNITS + --- u ----- - FLOTRONIC II UNITS Signal (Externally Powered) AND ASSOCIATED MODULAR UNITS ------ --cl FLOTRONIC II UNITS Signal (Internally Powered) /$WOUT AND ASSOCIATED MODULAR UNITS ---- --El FLOTRONIC II UNITS l-B-11 Remote Reset from Space or Outdoor-Air TemperatureUNlTS + FLOTRONIC II UNITS Signal (Externally Powered) -73 - - El AND ASSOCIATED MODULAR UNITS ---- -0 I FLOTRONIC II UNITS Signal (Internally Powered) AND ASSOCIATED MODULAR UNITS 72 \ ---- g 3----UNITS Remote On/Off &-jQ -43 73 1------ cl-WI-- u77 ---- u-43 -78REPLACING DEFECTIVE PROCESSOR MODULE Installation
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