Carrier HERMETIC CENTRIFUGAL LIQUID CHILLERS 19XR, Руководство по запуску, эксплуатации и техническому обслуживанию, Страница: 28 / 116

Table 2 — CVC Display Data (cont)
EXAMPLE 14 — NET OPT DISPLAY SCREEN
To access this display from the CVC default screen:
1. Press
MENU .
2. Press SERVICE .
3. Scroll down to highlight EQUIPMENT CONFIGURATION .
4. Press SELECT .
5. Scroll down to highlight NET OPT .
DESCRIPTION STATUS UNITS POINT DEFAULT
Loadshed Function
Group Number
0-99 ldsgrp 0
Demand Limit Decrease 0-60 % ldsdelta 20
Maximum Loadshed Time 0-120 MIN maxldstm 60
CCN Occupancy Config:
Schedule Number
3-99 occpcxxe 3
Broadcast Option 0-1 DSABLE/ENABLE occbrcst DSABLE
Alarm Configuration
Re-alarm Time
0-1440 MIN 30
Alarm Routing 0-1 10000000
NOTE: No variables are available for CCN read or write operation.
EXAMPLE 15 — ISM CONF DISPLAY SCREEN
To access this display from the CVC default screen:
1. Press
MENU .
2. Press SERVICE .
3. Scroll down to highlight ISM (STARTER) CONFIG DATA .
4. Press SELECT .
5. Scroll down to highlight ISM CONF .
DESCRIPTION STATUS UNITS POINT DEFAULT
Starter Type 0-2 starter 1
(0 = Full, 1 = Red, 2 = SS/VFD)
Motor Rated Line Voltage
200-13200 VOLTS v fs 460
Volt Transformer Ratio:1 1-33 vt rat 1
Overvoltage Threshold 105-115 % overvolt 115
Undervoltage Threshold 85-95 % undvolt 85
Over/Under Volt Time 1-10 SEC uvuntime 5
Voltage % Imbalance 1-10 % v unbal 5
Voltage Imbalance Time 1-10 SEC v time 5
Motor Rated Load Amps 10-5000 AMPS a fs 200
Motor Locked Rotor Trip 100-60000 AMPS motor lr 1000
Locked Rotor Start Delay 1-10 cycles lrdelay 5
Starter LRA Rating 100-60000 AMPS start lr 2000
Motor Current CT Ratio:1 10-1000 ct turns 100
Current % Imbalance 5-40 % c unbal 15
Current Imbalance Time 1-10 SEC c time 5
3 Grnd Fault CT’s? (1 = No) 0-1 NO/YES gf phase YES
Ground Fault CT Ratio:1 150 gf ctr 150
Ground Fault Current 1-20 AMPS gf amps 15
Ground Fault Start Delay 1-20 cycles gf delay 10
Ground Fault Persistence 1-10 cycles gf pers 5
Single Cycle Dropout 0/1 DSABLE/ENABLE cycdrop DSABLE
Frequency = 60 Hz? (No = 50) 0/1 NO/YES freq YES
Line Frequency Faulting 0/1 DSABLE/ENABLE freq en DSABLE
28