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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 903 Catalog No. 533-00047 Printed in U.S.A. Form 30RA-2T Pg CL-8 1-03 Replaces: 30RA-1T
Book 2
Ta b 5 c
Copyright 2003 Sterling
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CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE
III. Unit Start-Up (cont)
COMPONENT TEST
USE ESCAPE/ARROW KEYS TO ILLUMINATE CONFIGURATION LED. PRESS ENTER TO DISPLAY ‘DISP’.
PRESS ENTER AGAIN TO DISPLAY ‘TEST’ FOLLOWED BY ‘OFF’. PRESS ENTER TO STOP DISPLAY AT
‘OFF’ AND ENTER AGAIN SO ‘OFF’ DISPLAY FLASHES. ‘PA S S ’ AND ‘WORD’ WILL FLASH IF PASSWORD
NEEDS TO BE ENTERED. PRESS ENTER TO DISPLAY PASSWORD FIELD AND USE THE ENTER KEY FOR
EACH OF THE FOUR PASSWORD DIGITS. USE ARROW KEYS IF PASSWORD IS OTHER THAN STANDARD.
AT FLASHING ‘OFF’ DISPLAY, PRESS THE UP ARROW KEY TO DISPLAY ‘ON’ AND PRESS ENTER. ALL LED
SEGMENTS AND MODE LEDS WILL LIGHT UP. PRESS ESCAPE TO STOP THE TEST. PRESS ESCAPE TO
RETURN TO THE ‘DISP’ DISPLAY. PRESS THE ESCAPE KEY AGAIN AND USE THE ARROW KEYS TO ILLU-
MINATE THE SERVICE TEST LED. PRESS ENTER TO DISPLAY ‘TEST’. PRESS ENTER TO STOP DISPLAY
AT ‘OFF’ AND ENTER AGAIN SO ‘OFF’ FLASHES. PRESS THE UP ARROW KEY AND ENTER TO ENABLE
THE MANUAL MODE. PRESS ESCAPE AND DISPLAY NOW SAYS ‘TEST’ ‘ON’. REFER TO THE TABLE
BELOW.
Service Test Mode and Sub-Mode Directory
NOTE: If the unit has a single circuit, the Circuit B items will not appear in the display, except the ability to configure circuit B will be displayed.
SUB-MODE
KEYPAD
ENTRY
ITEM DISPLAY
ITEM
EXPANSION
COMMENT
Completed
(Yes/No)
TEST
ON/OFF SERVICE TEST MODE To Enable Service Test Mode,
move Enable/Off/Remote
Contact switch to OFF. Change
TEST to ON. Move switch to
ENABLE.
OUTS
OUTPUTS AND PUMPS
FAN1 ON/OFF FAN 1 RELAY
SIZES 010-018,
Condenser fan at low speed
SIZES 022-030
Condenser fan A1 energized
SIZES 032-055,
Condenser fan A2 energized
FAN2 ON/OFF FAN 2 RELAY
SIZES 022-030,
Condenser fan A2 energized
SIZES 032-040,
Condenser fan B1 at high speed
SIZES 042-055,
Condenser fan B2 energized
CLP.1 ON/OFF COOLER PUMP 1 RELAY
CLP.2 ON/OFF COOLER PUMP 2 RELAY
CL.HT ON/OFF COOLER/PUMP HEATER
RMT.A ON/OFF REMOTE ALARM RELAY
CMPA
CIRCUIT A COMPRESSOR TEST
CC.A1 ON/OFF COMPRESSOR A1 RELAY
CC.A2 ON/OFF COMPRESSOR A2 RELAY
MLV ON/OFF MINIMUM LOAD VALVE RELAY
CMPB
CIRCUIT B COMPRESSOR TEST
CC.B1 ON/OFF COMPRESSOR B1 RELAY See Note
CC.B2 ON/OFF COMPRESSOR B2 RELAY See Note
MLV ON/OFF MINIMUM LOAD VALVE RELAY See Note
ENTER
ENTER
ENTER
ENTER