American Standard TRACER CH532 manual Unit configuration menu Configuration

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Unit configuration menu: “Configuration”

From the menu screen, select

Configuration” then press . Following screen will appear:

User password

0000

Enter default password:”0000” (factory-set)

Press and cursor will move to first field of password. Pressing

or will increment the value from 0 to 9999. Keeping pressure on

or will move the numbers fast.

Press to confirm password.

Pressing or will allow navigation from screen 1 to 11 as shown hereafter:

1. Unit definition

To access one of the 4 parameters

displayed, press

 

and change

value using

or

. Confirm the

value by pressing

 

Unit type:

 

Chiller

Refrg

 

R407C

Figure 5 - Single pump operation

Note: figures 5 to 8, Unit Off means that the unit is stopped by keyboard or by an external contact

On

On

Pump

Off

t

Figure 6 - Dual pump operation

On

Unit

Off

On

Pump 1

Off

On

Pump 2

Off

t

Fans/ckt

3

Water pump

Single

Unit Type: Unit type Chiller: Cooling only

Heat pump: Reversible chiller

Refrg: Refrigerant R407C, R134a, R410A or R22

Fans/ckt: Number of fans per circuit: 1, 2, or 3

Note: Setting number of fans at 0, will stop all the fans, but will allow the compressors to run before being stopped by HP switch.

Water Pump: Water pump type Single: Single pump control Dual: Dual pump control

Note: Pump operation

The water pumps can be single or dual. A timer is used to delay the pump shut down in normal operating conditions. The timer is reset at each unit start.

When twin pumps are used, a pump switch will occur at each start and also in case of fault on the pump in operation.

Figure 7 - Single pump protection

Pump protection- input

Pump protection- output

Unit stopped

(manual reset)

CG-SV01B-E4

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Contents Tracer CH532 Chiller controller User guide About this manual General informationContents Tracer CH532 Presentation Tracer CH532 inputs and outputs Hardware architectureDescription Tracer CH532 General descriptionTracer CH532 Medium Inputs and output summary listNO11, NO13 Y3 0..10V + ConvonoffCustomer Inputs and output summary list Starting/stopping the unit Menus Accessing the menusStp Local 07.0C Display menu Data displayCustomer settings menu Settings Mode Cooling Comp seq Auto Ckt1 Enable Operating modeCustomer Inputs and Outputs Status output NO10Chiller control Mode Local Remote Remote ModeClock Setting menu Clock Weekly program Program Hourly zone DisableWeekly Start Mon Stop FriUnit configuration menu Configuration Pump Pump protection input HP Control Compressors timersInvert Inverter Control dead bandsPress probe 20mA Min Press 0bar Max Press 30.0bar Sensors and transducersPT100 10V 0..1V 0..20mACompressor alarm CW High Limit 15.0C Low ambient temperature limitationDefault parameters? Set the default parameters Operating limits cooling Low Amb Cooling Low Amb LimitAlarms history AlarmsAlarms display and Resetting Unit status Description Status, warnings and alarm messagesMessage No Message History events recordDescription LonTalk optionGreen Status LED LED status Meaning/Function Red Service LED LED status Meaning/FunctionLED meaning and function HVACHEAT=1, HVACCOOL=3 Attenuation dB/1000 feet at 20C maximum Cable characteristicsCharacteristic impedance ohms CG-SV01B-E4 CG-SV01B-E4 CG-SV01B-E4 Safety recommendations