Code Alarm SRT 1600 Manuale di Installazione Scaricare il pdf (Pagina 84)

Manufacturer reser ves the right to change, at any time, specifications and designs without notice and without obligations.

Catalog No: 48---50LC---C01T

Replaces: New

48/50LC

1 2 ... 79 80 81 82 83 84

48/50LC 04---06 1
Single Package Rooftop Units 1
SAFETY CONSIDERATIONS 2
BASIC CONTROL USAGE 3
Accessory Navigator Display 4
Operation 4
CCN Tables and Display 4
Force Hierarchy 5
Generic Status Display Table 5
START-UP 6
Condenser Fans and Motors 7
Return--Air Filters 7
Outdoor--Air Inlet Screens 7
Accessory Installation 7
Orifice Change (48LC) 7
CONTROLS QUICK SET--UP 8
Space Humidistat Control 9
CCN Communication 9
Accessories 9
SERVICE TEST 11
THIRD PARTY CONTROL 11
CONTROLS OPERATION 12
General Operation 14
Occupancy Determination 14
Indoor Fan Operation 15
Cooling Operation 16
Outdoor Fan Control 17
Dehumidification Control 17
Heating Operation 18
Staging Control 19
Heat Relay Control 19
Economizer Position % 20
Fan Speed % 20
HCSP --- High Cool Set Point 21
VENTILATION FOR PEOPLE 22
VENTILATION FOR SOURCES 22
Temperature Compensated Start 23
Carrier Comfort Network (CCN) 24
Configuration 24
Demand Limit 24
Alarm Handling 25
TROUBLESHOOTING 26
Control Module Communication 31
Communication Failures 31
CB --- Circuit Breaker 32
Economizer Troubleshooting 33
Heating Troubleshooting 34
IDM – Induced-Draft Motor 35
“AUTO” position 35
PROBLEM CAUSE REMEDY 36
Phase Loss Protection 37
Thermistor Troubleshooting 37
Transducer Troubleshooting 38
Forcing Inputs and Outputs 38
MAJOR SYSTEM COMPONENTS 41
Main Base Board (MBB) 47
RED LED-STATUS 51
Central Terminal Board (CTB) 52
VFD Diagnostics (with Keypad) 56
Table 27 — FAULT CODES (cont) 58
Table 28 – ALARM CODES 58
Scrolling Marquee Display 59
Accessory Navigatort Display 59
Interface 59
Protective Devices 61
Field-Installed Accessories 61
MODE — RUN STATUS 64
MODE — RUN STATUS (cont) 65
MODE — SERVICE TEST 67
MODE — SETPOINTS 67
MODE — INPUTS 68
MODE — OUTPUTS 68
MODE — CONFIGURATIONS 69
MODE — CONFIGURATION (cont) 70
MODE — TIME CLOCK 74
CCN ONLY TABLES 74
MODE — OPERATING MODES 75
MODE — OPERATING MODES (cont) 76
MODE — ALARMS 77
INDICATE UNIT SETTINGS BELOW 78
UNIT START-UP CHECKLIST 83
Catalog No: 48---50LC---C01T 84

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Code Alarm SRT 1600 Manuale di Installazione Pagina 84

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