62
Table 41 — Alarm Codes (cont)
LEGEND
PREFIX
CODE
SUFFIX
CODE
DESCRIPTION
REASON FOR ALARM
ACTION TAKEN
BY CONTROL
RESET
TYPE
PROBABLE CAUSE
Pr
.01
Circuit A Discharge Transducer
Measured voltage is
0 vdc
Circuit shut down
or not allowed to
start.
Automatic
Faulty transducer, wiring
error, failed Main Base
Board or Fan Board 3.
Compressor circuit
breaker tripped.
.02
Circuit B Discharge Transducer
.03
Circuit C Discharge Transducer
.04
Circuit A Suction Transducer
.05
Circuit B Suction Transducer
.06
Circuit C Suction Transducer
.07
Circuit A Reclaim Pumpdown
Pressure Transducer
The affected cir-
cuit shall return to
air cooled mode
Automatic
Faulty transducer, wiring
error, failed EMM HR
board.
.08
Circuit B Reclaim Pumpdown
Pressure Transducer
Sr
.nn
Service Maintenance Alert
Field programmed
elapsed time has expired
for maintenance item
None
Manual
Maintenance required
(see Table 44).
th
.01
Water Exchanger Entering
Fluid Thermistor Failure
Temperature measured
by the controller is less
than -40 F (-40 C) or
greater than 240 F
(115.6 C)
Unit will be shut
down or not
allowed to start.
Automatic
Faulty thermistor, wiring
error, failed Main Base
Board.
.02
Water Exchanger Leaving Fluid
Thermistor Failure
.03
Circuit A Defrost Thermistor
Failure
None
Automatic
Configuration error.
.04
Circuit B Defrost Thermistor
Failure
.08
Reclaim Condenser Entering
Thermistor
Unit shall return
to the standard air
cooled mode.
Automatic
Faulty thermistor, wiring
error, failed EMM HR
board.
.09
Reclaim Condenser Leaving
Thermistor
None
.10
OAT Thermistor Failure
Unit is shut down
or not allowed to
start. Cooler/
Pump heaters are
energized
Automatic
Faulty thermistor, wiring
error, failed Main Base
Board.
.11
Master/Slave Common Fluid
Thermistor
Dual Chiller deac-
tivated. Master
and Slave
machines oper-
ate in stand alone
mode
.12
Circuit A Suction Gas
Thermistor
Temperature measured
by the controller is less
than -40 F (-40 C) or
greater than 240 F
(115.6 C)
Circuit shut down
Automatic
Faulty thermistor, wiring
error, failed Main Base
Board or EXV Board
.13
Circuit B Suction Gas
Thermistor
Circuit shut down
.14
Circuit C Suction Gas
Thermistor
Circuit shut down
.18
Circuit A Condenser Subcool-
ing Liquid Thermistor
Unit shall return
to the standard air
cooled mode.
Automatic
Faulty thermistor, wiring
error, failed EMM HR
board.
.19
Circuit B Condenser Subcool-
ing Liquid Thermistor
.21
Space Temperature Sensor
Failure
Temperature
Reset based on
Space Tempera-
ture disabled
Faulty thermistor, wiring
error, failed Main Base
Board.
EMM —
Energy Management Module
OAT —
Outdoor Air Temperature
EWT —
Entering Water Temperature
PTC —
Positive Temperature Coefficient
EXV
—
Electronic Expansion Valve
SCT —
Saturated Condensing Temperature
HR
—
Heat Reclaim
SPM —
Scroll Protection Module
LWT —
Leaving Water Temperature
SST
—
Saturated Suction Temperature
MOP —
Maximum Operating Pressure
Содержание AQUASNAP 30RBA315
Страница 77: ...77 Fig 37 Control Schematic 30RB060 080 a30 4619...
Страница 78: ...78 Fig 38 Control Schematic 30RB090 150 a30 4620...
Страница 79: ...79 Fig 39 Control Schematic 30RB160 190 a30 4622...
Страница 80: ...80 Fig 40 Control Schematic 30RB210 300 a30 4622...
Страница 81: ...81 Fig 41 Heat Reclaim Control Schematic a30 4622...