American Standard TRACER CH532 Compressors timers, HP Control, Invert Inverter, Dead band Cmp

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Unit configuration menu: “Configuration”

2. Compressors timers

To access one of the parameters

displayed, press

 

and change

value using

or

. Confirm the

value by pressing

 

ACC 1st Start

 

2 min

ACC On-On

 

5 min

Min On-On

 

060 s

Min Off-Off

 

015 s

ACC 1st Start: Short cycle compressor at first start (0 to 60 min - factory setting: 2min)

ACC On-On:Short cycle between 2 starts of the same compressor (2 to 10 min - factory: 5 min)

Min On-On:Minimum time to add compressor (5 to 240 s - factory setting: 60s)

Min Off-Off:Minimum time to remove compressor (1 to 120 s factory setting 15s)

3. HP Control

To access one of the parameters

displayed, press

 

and change

value using

or

. Confirm the

value pressing

 

 

Fan control

 

1Speed

Fan Ctrl Stp

 

15.0 b

Dead band Fan

 

06.0 b

Fan Control: Fan type:

1 speed: 1 Speed fan

2 speed: 2 Speed fan

Invert: Inverter

Fan Ctrl StP: Fan control setpoint

(10 to 30 bar - factory setting: 15 bar)

Dead band Fan: Fans regulation dead band (2 to 8 bar - factory setting: 5 bar)

4. Control dead bands

To access one of the parameters

displayed, press and change

value using or . Confirm the value by pressing

Dead band Cmp

03.0°C

Antifreeze02.0°C

Heater03.0°C

Dead band Cmp: Compressors regulation dead band around water temperature (0.4 to 8.0°C - factory setting: 3.0°C)

AntiFreeze: Cold water temperature limit (-15 to 10°C - factory setting: 2°C)

Heater: Evaporator heater setpoint according to ambient air temperature (0 to 10°C - factory setting: 3°C)

5. Winter Freeze Protection

CW High Limit

15°C

Pmp Cycle OFF

10 min

WinFreezeProtPmp

Yes

Ctrl Pump Required

 

 

 

Chilled water high limit: (15 to 25°C: factory setting 15°C)

Water pump cycle OFF: (5 to 15 min: factory setting 10min)

Winter Freeeze protection with pump:

No Heater or Ethylene

Glycol Required

Yes Ctrl Pump Required

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 descriptionY3 0..10V + Convonoff Inputs and output summary listTracer CH532 Medium NO11, NO13Customer Inputs and output summary list Starting/stopping the unit Menus Accessing the menusStp Local 07.0C Display menu Data displayCustomer settings menu Settings Status output NO10 Operating modeMode Cooling Comp seq Auto Ckt1 Enable Customer Inputs and OutputsChiller control Mode Local Remote Remote ModeClock Setting menu Clock Start Mon Stop Fri Program Hourly zone DisableWeekly program WeeklyUnit configuration menu Configuration Pump Pump protection input Control dead bands Compressors timersHP Control Invert Inverter10V 0..1V 0..20mA Sensors and transducersPress probe 20mA Min Press 0bar Max Press 30.0bar PT100Operating limits cooling Low Amb Cooling Low Amb Limit CW High Limit 15.0C Low ambient temperature limitationCompressor alarm Default parameters? Set the default parametersAlarms display and Resetting AlarmsAlarms history Message Status, warnings and alarm messagesUnit status Description No Message History events recordDescription LonTalk optionLED meaning and function Red Service LED LED status Meaning/FunctionGreen Status LED LED status Meaning/Function HVACHEAT=1, HVACCOOL=3 Characteristic impedance ohms Cable characteristicsAttenuation dB/1000 feet at 20C maximum CG-SV01B-E4 CG-SV01B-E4 CG-SV01B-E4 Safety recommendations