Quantech QTC4 STYLE A Series User Manual

QUANTECH
106
SECTION 7 - OPERATION
FORM QTC4-NM1
ISSUE DATE: 4/2/2018
Code
QTC4
/F
A Operational Code
QTC4
/FA Fault/Inhibit Code
Value Value
OPER.CODE
FAULT/INHIBIT.CODE
63 Manual Override 0 No Fault/Inhibit
64 Daily Schedule Shutdown
1 Low Ambient Temperature
65 Unit Switch OFF
2 High Ambient Temperature
66 Remote Controlled Shutdown
3 Low Chilled Liquid Temperature
67 Loss of External Communications
4 VSD Initialization Failure
68 Flow Switch Shutdown
5 Low RTC Battery Voltage
69 VSD Cooling Shutdown
6 Invalid Number of Compressors Selected
70 Serial Number Shu
tdown
7 VSD Communications Failure
74 No Run Permissive
8 Pre-charge Low DC Bus Voltage
75 Anti-Recycle Timer Active
9 Pre-charge DC Bus Voltage Imbalance
76 System Switch OFF
10 High DC Bus Voltage
77 System Not Running
11 Low DC Bus Voltage
78 System Running
12 DC Bus Voltage Imbalance
79 Discharge Pressure Limiting
13 High VSD Ambient Temperature
80 Suction Pressure Limiting
14 Single Phase Input
81 Motor Current Limiting
15 VSD Power Supply Fault
82 Free Cooling
16 VSD Logic Board Fault
83 ISN
Motor Current Limiting
17 Motor Current Overload (Hardware)
84 Remote Motor Current Limiting
18 CT Plug Fault
85 System Pumping Down
27 High Discharge Pressure (Software)
86 VSD PreCharging
28 High Differential Oil Pressure
87 VSD Baseplate Temp Limiting
29 Low Differential Oil Pressure
88 VSD Internal Ambient Temp Limiting
30 Low Suction Pressure
89 Sound Limiting
31 High Discharge Temperature
90 ISN Sound Limiting
33 Eductor Clog Fault
91 Remote Sound Limiting
34 Sensor Failure
92 Pulldown
Motor Current Limiting
35 Low Motor Current
93 Cooling Demand Shutdown
36 High Motor Temperature
37 Pre-charge Low DC Bus Voltage
38 Pre-charge DC Bus Voltage Imbalance
39 High DC Bus Voltage
40 Low DC Bus Voltage
41 DC Bus Voltage Imbalance
42 High Motor Current
43 Motor Current Overload (Software)
44 IGBT Gate Driver Fault
45 High Baseplate Temperature
46 Single Phase Input
47 VSD Run Signal Fault
48 High Discharge Press (Hardware – HPCO)
50 Control Voltage Fault
51 Low Discharge Superheat
Operational and Fault/Inhibit Codes
Code
TABLE 14 - OPERATIONAL AND FAULT / INHIBIT CODES

Quantech QTC4 STYLE A Series Specifications

General

Brand	Quantech
Model	QTC4 STYLE A Series
Category	Chiller
Language	English