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Carrier 040-420 specifications Keypad Directory cant, Set Point

Models: 040-420

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Table 9 - Keypad Directory (cant)

Table 9 - Keypad Directory (cant)

SUBFUNCTION

KEYPAD ENTRY

DISPLAY

COMMENT

1 RUN TIME

r;lm

RUN TIME

Run

Time lnformation

+

HR X

Total Hrs Unit Has a Comp Operating

0

4

HRA X

Circuit

A

Run

Time

cl

c b l

HRB X

Circuit

B

Run

Time

2

STARTS

1 2 1lHlST1

S T A R T S

Starts

Information

c + l

CY x

Cycles from Stage 0 to Stage 1

c + l

CYA X

Circuit A Starts

c + l

CYB X

Circuit B Starts

1ALRMHIST

1Last 5 Alarms

3

ALARM HISTORY

I

I 3 I lH4

ALARM X

ALARM X

ALARM X

>

Alarm Description

ALARM X

J

ALARM X

SET POINT

To read a set point, go to proper subfunction and read desired set point To

change a set point, enter new set point value, then press

ENTR

LOCAL/ENABLE-STOP-CCN switch must be in LOCAL or STOP position,

cl

SUBFUNCTION

KEYPAD ENTRY

DISPLAY

COMMENT

1 SET POINTS

SET POINT

Jnit

Set

Point

CSPl

x

Chiller Fluid Set Point 1

CSP2

x

Chiller

Fluid

Set Point 2

HSPA

X

Head

Pressure Set Point Circuit A

HSPB X

Head Pressure Set Point Circuit B

CRAMP X

Pulldown

Limit

t

2 RESET SET POINTS

RESET

Reset Set Points

CRST2

X*

Cooling

Max

Reset

CREF2 X*

Max Reset Occurs at X mA

or Degree

CRSTI

X*

Cooling

Minimum

Reset

CREFI X*

Min Reset Occurs at X mA

or Degree

3 DEMAND SET POINTS

DEMAND

Demand

Set

Points

DLSl

X*

Demand Switch 1 Set Point

DLS2

X*

Demand Switch 2 Set Point

DMAX X*

4-20

mA

Maximum

Demand

Limit

RMAX X*

Max Demand Limit Occurs at X mA

DMIN

X*

4-20

mA

Minimum Demand

Limit

RMIN

X*

Minimum Demand Limit Occurs at X mA

SHED X”

CCN Loadshed

Amount

4 DATE AND TIME

DATE.TIME

Date, Time and Day of Week

DAY HR.MIN

Day 1 = Mon, 2 = Tues

7 = Sun

Hours are displayed in 24-hr time. Decimal point serves as colon.

MM.DD YR

Month.Day.Year.

When entering date, enter a decimal

point between entries. Each entry must be two numbers.

36

Image 36

Carrier 040-420 specifications Keypad Directory cant, Set Point

Contents

CONTENTS SAFETY CONSIDERATIONSACCESSORY UNLOADER INSTALLATION 040-420GENERAL MAJOR SYSTEM COMPONENTSTable 1 - Unit Sizes and Modular Combinations DsroiLv Table 2 - LOCAL/ENABLE-STOP-CCN Switch Positions and OperationCompressor Protection Control Module CPCS Table 3 - Thermistor and Transducer LocationsOPERATION DATA Table 4A - CapacityControl Steps, Table 4A - Capacity Control Steps, 040-070cant 060A\~**Hz“‘“G Hz ylf,tTable 4A - Capacity Control Steps, 040-070cant oy&yaA;.$ Aiti08Aqy ,y A4l&pi’&Page A;;:;H Altt BittWtf2Z$’ BittA;;;# AmroxA’tt $-t&Z3~,;~~J “A:tkA2’i3BI~“B’p Page hwrox AlPtlBl’ “Att l”l’Bitt B1 ttA2.p y&t3gBitt B;$+ ~l*;;#A&t$$V BB’!J ‘-J-&W~’~i~~~~ CKEL 86p Hz Page Table 4D - Capacity Control Steps, 225, 250,280 hwroxUNIT LOACJG SEQUENCE 4G SEQUENCEf& Hz Table 5 - Condenser Fan Sequence Table 5 - Condenser Fan Sequence cant Keypad and Display Module Also Called HSIO Fig. 3 - Keypad and Display ModuleTable 6 - Keypad and Display Module Usage Table 8 - Accessing Functions and Subfunctions Table 7 - Functions and SubfunctionsTable 9 - Keypad Directory STATUS Table 9 - Keypad Directory cant STATUS cant TEST Table 9 - Keypad Directory cant STATUS cantSUBFUNCTION 10 OUTPUTS DISPLAYTable 9 - Keypad Directory cant TEST cant SCHEDULESERVICE Table 9 - Keypad Directory SCHEDULE cantTable 9 - Keypad Directory cant SERVICE cord Clttat Clt cl ct lTable 9 - Keypad Directory cant SET POINTExample 1 -Reading Alarm Codes p-jqTable 10 - Operationat and Mode Display Codes Example 2 - Reading Current Operating Modes Example 3 -Using Test Function Example 4 - Reading and ChangingChilled Water Set Point Example 5 -Using Return Water Temperature Reset Fig. 4 - Cooling Return Water Resetf73c= -- / Example 6 - Changing Reset Type Fig. 5 - Cooling External Temperature Reset8- 16 ? Table 11 -Service Functions _ ‘-+pFig. 7 - 4-20mA Cooling Temperature Reset Example 8 - Setting Time of Day and Day of Week Fig. 8 - 4-20mADemand Limiting Table 12 - Factory Configuration Keystrokes Table 13 - Adjustable Field ConfigurationsExample 9 - Using the Schedule Function Example 9 continued next pageExample 9 - Using the Schedule Function cant ‘EYoExample 10 - Holiday Schedule Function Fig. 9 - Sample Time ScheduleTROUBLESHOOTING Typical Stoppage Faults and Reset TypesComplete Unit Stoppage - Complete unit stop Table 14 - Alarm Codes Possible causes of failure Code 30 Reset input failure 4 to 20 mA Fig. IOA - 24-VSafety Circuit Wiring i2G7CPCS ’ SlTNANZ 24VAC32MP IlEO2LEGEND Low VoltagePlug TransformerC G F 1 Electronic Expansion Valve Fig. 11 - Electronil c Expansion Valve EXVFig. 12 - EXV Cable Connections to EXV Driver Module, DSIO EXVCircuit A -Thermistor T7, Suction Pressure Trans LEGEND D P T - Discharge Pressure Transducer Oil Pressure TransducerppTT - Suction Pressure Transducer T - Thermistor NumberFig. 14 - Thermistor Locations Circuits A and B, Lead Compressor OnlyFig. 15 - Thermistors WATER-SIDETEMPERATURE SENSOR Tl, T2, -ALL UNITSFig. 16 - Pressure Transducer TEMP:;fTURE Page Page Selector Switch Locations Control ModulesFig. 18 - Module Address Fig. 19 - Sensor Bus Wiring Communications 1 $i 1 !;i%o-693 fL.w--6%2COMM Fig. 22 - 4 In/4 Out Module SIOTroubleshooting TableACCESSORY UNLOADER INSTALLATION Table 18 - Standard and Accessory UnloadersInstallation Fig. 23 - Accessory Unloader Control Wiring 69 080-110SO/SO Hz and 130 60 Hz13 6 y ‘. \3.Wire in the solenoid valves WIRING Fig. 26B - Demand Limit - Two External Switch4368 k367Fig. 27 - Demand Limit - 4-20mA Signal Externally PoweredFig. 30 - Remote Reset from 4-20mA Signal Fig. 28 - Demand Limit - 4-20mA SignalInstallation Fig. 35 -Remote Alarmu2 TB-5 ~,. $$scribed in m H and r;lFl sections on page Page Copyright 1994 Carrier Corporation