Specifications

103
Physical Data — Tables 22-28 and Fig. 53-57 provide
additional information on component weights, physical and
electrical data, and wiring schematics for the operator’s conve-
nience during troubleshooting.
RECTIFIER LED
INVERTER LED
DPI COMMUNICATIONS INTERFACE BOARD
INVERTER STATUS LIGHT
RECTIFIER STATUS LIGHT
INVERTER AND RECTIFIER CONTROL BOARD FAILURE STATUS LIGHT PATTERNS
Fig. 51 — DPI Communications Interface Board Status LEDs
COLOR STATE DESCRIPTION
Green
Flashing Drive ready, but not running and no faults are present.
Steady Drive running, no faults are present.
Yellow
Flashing The drive is not ready. A VFD start inhibit is in effect. Normal condition when chiller not running because the ICVC has issued a stop command.
Steady An alarm condition exits. Check VFD FAULT CODE in ICVC VFD_STAT screen.
Red
Flashing A fault has occurred. Check VFD FAULT CODE in ICVC VFD_STAT screen.
Steady A non-resettable fault has occurred. Check VFD FAULT CODE in ICVC VFD_STAT screen.
Red Inverter
Green Rectifier
Steady VFD Gate Kill circuit has opened because the compressor high pressure switch has opened.
COLOR STATE DESCRIPTION
Green
Flashing Rectifier ready, but not running and no faults are present.
Steady Rectifier running, no faults are present.
Yellow
Flashing Rectifier is not ready. A VFD start inhibit is in effect. This is a normal state if the inverter is not running and/or the precharge contacts are open.
Steady Rectifier alarm condition exits. Check VFD FAULT CODE in ICVC VFD_STAT screen.
Red
Flashing Rectifier fault has occurred. Check (VFD FAULT CODE in ICVC VFD_STAT screen.
Steady A non-resettable fault has occurred. Check VFD FAULT CODE in ICVC VFD_STAT screen.
Red Inverter
Green Rectifier
Steady VFD Gate Kill circuit has opened because the compressor high pressure switch has opened.
COLOR DESCRIPTION
Red/Green Alternating Control board application firmware may be corrupt. Call Carrier Service.
Yellow/Green/Red
Repeating Pattern
Control board RAM failure or control board firmware may be corrupt. Call Carrier Service.
a19-1634
DPI RIBBON
CABLE CONNECTOR
A32
TERMINAL BLOCK
NODE ADDRESS
TENS DIGIT = 0
(DO NOT
CHANGE)
DATA
RATE = PGM
(DO NOT
CHANGE)
NODE ADDRESS
ONES DIGIT = 1
(DO NOT CHANGE)
NOTE: If all status indicators are off, the Gateway is not receiving power.
Fig. 52 — Gateway Status LEDs
NUMBER
STATUS
INDICATOR
DESCRIPTION
1 DRIVE DPI Connection Status
2 MS Module Status
3 NET A Serial Communication Status
4 NET B Serial Communication Traffic Status
a23-1618
CAUTION
Do not attempt to disconnect flanges while the machine is
under pressure. Failure to relieve pressure can result in per-
sonal injury or damage to the unit.
CAUTION
Before rigging the compressor, disconnect all wires enter-
ing the power panel.