Name: Carrier Flotronic 30GB
Brand: Carrier
Rating: 5 (1 reviews)

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Contents1
Safety Considerations1
Introduction2
Flotronic Control System2
General2
Processor Board2
Typical Control Box3
Input Switches4
Adjustable Input Potentiometers4
Configuration Header4
Relay & Display Board5
Thermistors5
Dip Switch Assembly5
Output Assignments (J5 & J6)5
Printed Circuit Board Connectors6
Relay Board7
Thermistor Locations7
Cooler Thermistor Locations8
Thermistor Resistance Vs Temperature8
Condenser Sensor Locations9
Compressor Sensor Location10
Flotron Expansion Valve View10
Compressor Protection Control System (CPCS)10
Accessory Board11
Demand Limit Potentiometer11
Operating Information11
Digital Display11
Operational Codes12
Overload Codes12
Quick Test16
Unit Configuration16
Thermistors and Setpoint Potentiometers16
Output Relays16
Configuration and Switch Check17
Thermistor and Potentiometer Checkout18
Output Relay Check19
Condenser Fan Sequence20
Capacity Control-Operating Sequence20
Flotron Expansion Valve20
Capacity Control Steps21
Head Pressure Control22
Return Temperature Peset23
Standard Chilled Water Temperature Control-No Reset23
Space and Outside Air Temperature Reset24
Wiring Diagram Index25
Legend26
To Common Disconnect27
Power Schematic; 30GB075, 080; 380, 400, 460, 575 Volts28
Component Arrangement; 30GB075-100; All Voltages29
Control Circuit Schematic; 30GB075, 080; 24, 115, 230 Volts31
Control Circuit Schematic; 30GB090, 100; 24, 115, 230 Volts33
Control Circuit Schematic; 30GB110, 125; 24, 115, 230 Volts35
Component Arrangement; 30GB110-110; All Voltages36
Power Schematic (Main Box); 30GB090, 100; 208-230 Volts37
Power Schematic (Main Box); 30GB090, 100; 380, 400, 460, 575 Volts38
Power Schematic (Main Box); 30GB110, 125; 208-230 Volts39
Power Schematic (Auxiliary Box); 30GB110, 125; 208-230 Volts40
Power Schematic (Main Box); 30GB110, 125; 380, 400 Volts41
Power Schematic (Main Box); 30GB110, 125; 460, 575 Volts42
Power Schematic (Auxiliary Box); 30GB110, 125; 380, 400, 460, 575 Volts43
Power Schematic (Main Box); 30GB150, 175, 200; 208-230 Volts45
Power Schematic (Auxiliary Box); 30GB150; 208-230 Volts46
Power Schematic (Auxiliary Box); 30GB175, 200; 208-230 Volts47
Power Schematic (Main Box); 30GB150, 175, 200; 380, 400, 460, 575 Volts48
Power Schematic (Auxiliary Box); 30GB150; 380, 400, 460, 575 Volts49
Power Schematic (Auxiliary Box); 30GB175, 200; 380, 400, 460, 575 Volts50
Control Circuit Schematic; 30GB150; 24, 115, 230 Volts52
Control Circuit Schematic; 30GB175; 24, 115, 230 Volts54
Control Circuit Schematic; 30GB200; 24, 115, 230 Volts56
Demand Limiting58
Accessories and Optional Control Installation58
Pulldown Control58
Return Temperature Reset Option59
Space and Outside Air Temperature Reset Option59
Accessory Reset Board Wiring59
Reset Thermistor60
Space/Outside Air Thermistor Wiring Diagram60
Demand Limit Control60
Demand Limit Potentiometer Wiring Diagram60
Remote On-Off Control and External Interlocks61
Field Wiring; Remote Interlocks and Alarm61
Remote Alarm61
Accessory Unloaders61
Hot Gas Bypass62
Control Troubleshooting and Servicing62
Processor Board Checkout Procedure62
Check Transformer Input to Processor Board62
Check Voltage Tolerance Circuitry63
Check Processor Reset Line63
Check Relay Board Outputs63
Relay Board Connector63
Flotron Expansion Valve Output64
Display Board Connection Checkout64
Potentiometer Connection Checkout64
Switch Input Connection Checkout64
Processor Board Replacement65
Relay Board Troubleshooting65
Display Board Checkout65
Accessory Reset Board Checkout66
Compressor Protection Board (CPCS)66
Thermistor Troubleshooting66

Brand	Carrier
Model	Flotronic 30GB
Category	Chiller
Language	English

Carrier Flotronic 30GB User Manual

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Carrier Flotronic 30GB Specifications

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