Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 040-420 specifications Tnanz, 24VAC, 32MP, IlEO2, CONTROL 5CtlEliATIC, S E C O N D A R Y

Models: 040-420

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				CONTROL 5CtlEliATIC
		I	24VAC		TNANZ
TE7	REO			CN5	-
				32MP	w
		I		IlEO2	1
				IlEO2	21V
					S E C O N D A R Y

LEGEND

-Contactor

-Communications Bus

-Compressor Protection Control Module

DGT - Discharge Gas Thermostat (Optional)

DSIO - Relay Module (Low Voltage)

HPS - l-tigh-Pressure Switch

-Low Voltage

E! - Plug PWR - Power

-Terminal Block

GLN - Transformer

U - Unloader

Fig. 1OB - 24-V Safety Circuit Wiring (080-110 and Associated Modular Units)

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Image 53

Carrier 040-420 specifications Tnanz, 24VAC, 32MP, IlEO2, CONTROL 5CtlEliATIC, S E C O N D A R Y

Contents

SAFETY CONSIDERATIONS CONTENTSACCESSORY UNLOADER INSTALLATION 040-420Table 1 - Unit Sizes and Modular Combinations GENERALMAJOR SYSTEM COMPONENTS DsroiLv Switch Positions and Operation Table 2 - LOCAL/ENABLE-STOP-CCNCompressor Protection Control Module CPCS Table 3 - Thermistor and Transducer LocationsControl Steps, OPERATION DATATable 4A - Capacity 060A\~**Hz Table 4A - Capacity Control Steps, 040-070cantylf,t “‘“G HzTable 4A - Capacity Control Steps, 040-070cant oy&yaAiti A;.$08Aqy ,y A4l&pi’&Page A;;:;H Bitt AlttWtf2Z$’ BittAmrox A;;;#A’tt $-t&Z3“B’p ~,;~~J“A:tkA2’i3BI~ Page hwrox “Att l”l’ AlPtlBl’Bitt B1 ttBitt A2.py&t3g A&t$$V B;$+~l*;;# ~i~~~~ BB’!J‘-J-&W~’ CKEL 86p Hz Page hwrox Table 4D - Capacity Control Steps, 225, 250,280LOAC UNITJG SEQUENCE 4G SEQUENCEf& Hz Table 5 - Condenser Fan Sequence Table 5 - Condenser Fan Sequence cant Table 6 - Keypad and Display Module Usage Keypad and Display Module Also Called HSIOFig. 3 - Keypad and Display Module Table 7 - Functions and Subfunctions Table 8 - Accessing Functions and SubfunctionsTable 9 - Keypad Directory STATUS Table 9 - Keypad Directory cant STATUS cant Table 9 - Keypad Directory cant STATUS cant TESTSUBFUNCTION 10 OUTPUTS DISPLAYSCHEDULE Table 9 - Keypad Directory cant TEST cantTable 9 - Keypad Directory SCHEDULE cant SERVICECltt Table 9 - Keypad Directory cant SERVICE cordat Clt cl ct lSET POINT Table 9 - Keypad Directory cantTable 10 - Operationat and Mode Display Codes Example 1 -Reading Alarm Codesp-jq Example 2 - Reading Current Operating Modes Chilled Water Set Point Example 3 -Using Test FunctionExample 4 - Reading and Changing f73c= -- / Example 5 -Using Return Water Temperature ResetFig. 4 - Cooling Return Water Reset 8- 16 ? Example 6 - Changing Reset TypeFig. 5 - Cooling External Temperature Reset _ ‘-+p Table 11 -Service FunctionsFig. 7 - 4-20mA Cooling Temperature Reset Demand Limiting Example 8 - Setting Time of Day and Day of WeekFig. 8 - 4-20mA Table 13 - Adjustable Field Configurations Table 12 - Factory Configuration KeystrokesExample 9 continued next page Example 9 - Using the Schedule Function‘EYo Example 9 - Using the Schedule Function cantExample 10 - Holiday Schedule Function Fig. 9 - Sample Time ScheduleComplete Unit Stoppage - Complete unit stop TROUBLESHOOTINGTypical Stoppage Faults and Reset Types Table 14 - Alarm Codes Possible causes of failure Code 30 Reset input failure 4 to 20 mA i2G7 Fig. IOA - 24-VSafety Circuit WiringCPCS ’ Sl24VAC TNANZ32MP IlEO2Low Voltage LEGENDPlug TransformerC G F Fig. 11 - Electronil c Expansion Valve EXV 1 Electronic Expansion ValveFig. 12 - EXV Cable Connections to EXV Driver Module, DSIO EXVCircuit A -Thermistor T7, Suction Pressure Trans Oil Pressure Transducer LEGEND D P T - Discharge Pressure TransducerppTT - Suction Pressure Transducer T - Thermistor NumberCircuits A and B, Lead Compressor Only Fig. 14 - Thermistor LocationsFig. 15 - Thermistors WATER-SIDETEMPERATURE SENSOR Tl, T2, -ALL UNITSFig. 16 - Pressure Transducer TEMP:;fTURE Page Page Fig. 18 - Module Address Selector Switch LocationsControl Modules 1 $i 1 !;i Fig. 19 - Sensor Bus Wiring Communications%o-693 fL.w--6%2Fig. 22 - 4 In/4 Out Module SIO COMMTable TroubleshootingInstallation ACCESSORY UNLOADER INSTALLATIONTable 18 - Standard and Accessory Unloaders 080-110SO/SO Hz and 130 60 Hz Fig. 23 - Accessory Unloader Control Wiring 6913 6 y ‘. \3.Wire in the solenoid valves Fig. 26B - Demand Limit - Two External Switch WIRING4368 k367Externally Powered Fig. 27 - Demand Limit - 4-20mA SignalFig. 30 - Remote Reset from 4-20mA Signal Fig. 28 - Demand Limit - 4-20mA SignalFig. 35 -Remote Alarm Installationu2 TB-5 ~,. $$scribed in m H and r;lFl sections on page Page Copyright 1994 Carrier Corporation