Carrier
48FK, JK034-074, 50FK
specifications
Unit Control Box Arrangement, Sizes
Troubleshooting
Voltage Drop Characteristics
Install
Parameter Group Default Value
Remote Sasp Wiring
Diagnostic Codes
Motor Overload Settings
Safety
Service Training
Status Switch Inputs
Page 14
14
Fig. 20 Ð Unit Control Box Arrangement, Sizes
034-048
Page 13
Page 15
Image 14
Page 13
Page 15
Contents
Controls Operation Troubleshooting
Contents
Safety Considerations
General
DIP
Pin Terminal Connector J1 Thermistor Inputs
Connector J1 Temperature Unit Size Terminal no Input
EXV
034-104
Status Switch Inputs
Connector J2 Status Switch Unit Size Terminal no
RNT Ð Return
Page
HIR
Output Pin and Terminal Assignments
Output PIN Name Rating Device Terminal
IFC
Compressor Operation
Thermistor T1 Location, 50FK,JK034-048 Units
Thermistor T1 Location, 50FK,JK054-074 Units
Thermistor T2 Location, Size 034-048 Units
Thermistor T3 and T4 Locations, Size 054-104 Units
Integrated Circuit
Input
Controls Installation
Space Temperature Reset
Unit Control Box Arrangement, Sizes
Unit Control Box Arrangement, Sizes
Unit Control Box Arrangement, Sizes 088
Voltage Drop Characteristics
Thermistor Resistance
Space Temperature Sensor Averaging
Single-Step Demand Limit
MSP = Sasp +
Remote Sasp Wiring
Smoke Control Switches Required for Each Mode
Smoke Control Modes
Switch Functions
Tubing Size
Terminal Block
DPS Ð Differential Pressure Switch
Switch
Modulating Power Exhaust Differential Pressure Switch Sizes
START-UP
Conguration Header Jumpers
Conguration Header DIP Switch Factory Settings
Potentiometer Inputs and Ranges
DIP Switches
Switch Function Meaning Position
Inlet Guide Vane Motor 50FK,JK034-074 Units
Jumper Removal to Disable Motor
Variable Frequency Drive Keypad
Control Signal Pressure VFD SET Point
VFD Set Point Frequency Command for Duct Pressure
Changing the VFD Set Point Frequency Command
Pressure
Start Unit
Quick Test, Unit Conguration and Switch Check
Quick Normal Description Control Switch Test Display Step no
Quick Normal Description Thermistor or Test
Quick Test, Thermistor and Potentiometer Check
Quick Test, Output Relay Check
Quick Normal Test Description Relay Number
Operating Information
Sensor Resistance Values
Page
Component Arrangement, 034-048 Units
Component Arrangement, 054-104 Units
Page
Modulating Power Exhaust Component Locations Sizes
Modulating Power Exhaust Component Locations Sizes
Page
Compressor Loading and Unloading Sequences
Cooling Size 088 Units
Cooling Size 054 Units
Cooling Size 064 Units
Cooling Size 104 Units
Symptoms Probable Causes Solutions
Troubleshooting
Controls Troubleshooting
Operation Status Codes
Diagnostic Codes
Codes 71 to 76 THERMISTOR/RESISTOR Failure
Page
TP4
Terminals Voltage AC
Test PIN Voltage DC TP3
TP6
Quick Test J9 PIN Numbers Step no
PIN Terminal Voltage DC
Terminal Strip J6 Connection Resistance Reading
Pin Terminal Connector J1 Voltages
Pin Terminal Connector J2 Voltages
PIN Voltage Terminal
Quick Test J5 PIN Numbers Step no
Terminal Strip J5 Connector Resistance Reading
Enthalpy Sensor Checkout
Variable Frequency Drive
Carrier Default Program Parameter Values
Parameter Group Default Value
Required User Adjusted Defaults
Motor Overload Settings
LPS
ALM
LAT
MTR
Page
Page
Service Training
Call for Free Catalog
II. Preliminary Checklist Items
PRE-START-UP
III. START-UP
IV. Notes
Related pages
Troubleshooting Autonomous Access Points for Cisco Systems CSACS1121K9
Specifications for Creda MR1034
Error Indicators for Lightwave Communications LDX-3232
Computer Compatibility Chart for Sharp PG-C45X
When the cycle is finished for Samsung WD6102CKC/XSV
Installering for Samsung MJ19ESTSB/EDC
Illustrated Parts List for Panasonic JT-20
Language Code List for JVC HR-XV3E
What steps should I follow for ASUS firmware restoration?
Learn more
Top
Page
Image
Contents