Carrier 30GX Installation, Operation And Maintenance Instructions

Also see for 30GX Series: Installation, operation and maintenance instructions Installation, operation and maintenance instructions

23OPERATION PRESS BLOCK 3 BLOCK 1 BLOCK 2KEY LED DISPLAY DISPLAYHold down the MENU button untilthe LED for OUTPUTS/TESTSlights.Press the button to go to itemloader.Press the button to authorisemodification of the valueassociated with item 1. TheOUTPUTS/TESTS menu LEDflashes to show that modificationmode is active and the value canbe modified.Press until the value 0100 isdisplayed in block 2. The LED forOUTPUTS/TESTS in block 3keeps flashing to show thatmodification mode is active.Press the . button again. Loader2 of circuit A starts and the LEDfor OUTPUTS/TESTS in block 3stops flashing.Press the . button again. Loader2 of circuit A stops and the LEDfor OUTPUTS/TESTS in block 3starts flashing again.Press until the value 0010 isdisplayed in block 2. The LED forOUTPUTS/TESTS in block 3keeps flashing.Press the button to start loader1 of circuit B. The LED forOUTPUTS/TESTS in block 3stops flashing.4.2.9.2 - Outputs other than loadersThe test procedure is as described above.Item 2* Status/test motor cooling valves circuit AItem 3* Status/test motor cooling valves circuit BItem 4* Status/test oil soleniod valves circuits A + BItem 5* Status/test oil heater outputs circuits A + BItem 6* Status/test oil pump outputs circuits A + BItem 7 Fan stages status/test circuit AItem 8 Fan stages status/test circuit BIn test mode, the or buttons in block 4display 0001, 0010, 0100 and 1000 in succes-sion, so as to force the various fan stages inturn on each circuit. These items only apply toair-cooled units.Item 9 Alarm output status/test - Circuits A & BIn test mode, the or buttons in block 4display 01, and 10 in succession, so as to forceeach alarm output status in turn on eachcircuit.Item 1 Status/Test of loadersThese items display the status of thecompressors on circuit A or B. They canalso test them independently.For example:Test of loader 2 circuit A and loader 1circuit B. The password must alreadyhave been entered in the Configurationmenu. If not, the message “no” will bedisplayed in block 2 (see section 4.2.10).001 00011 01001 01001 00011 00101 00104.2.9 - Description of the OUTPUT/TEST menu4.2.9.1 - GeneralThis menu displays the status of the controller outputs. Whenthe machine is fully stopped (LOFF) the outputs can beactioned for tests.ITEM FORMAT DESCRIPTION0 b 1 b2 b3 b4 Status of non accessible compressors in test modeb1 : Compressor A1b2 : Compressor A2b3 : Compressor B1b4 : Compressor B21* b1 b2 b3 b4 Status of loadersb1 : Loader 1 circuit Ab2 : Loader 2 circuit Ab3 : Loader 1 circuit Bb4 : Loader 2 circuit B2* b1 b2 b3 b4 Motor cooling valve status circuit Ab1 : Main valve compressor A1b2 : Additional valve compressor A1b3 : Main valve compressor A2b4 : Additional valve compressor A23 b1 b2 b3 b4 Motor cooling valve status circuit Bb1 : Main valve compressor B1b2 : Additional valve compressor B1b3 : Main valve compressor B2b4 : Additional valve compressor B24 b1 b2 b3 b4 Oil solenoid valve statusb1 : Oil solenoid valve compressor A1b2 : Oil solenoid valve compressor A2b3 : Oil solenoid valve compressor B1b4 : Oil solenoid valve compressor B25 b1 b2 Oil heater statusb1 : Oil heater circuit Ab2 : Oil heater circuit B6 b1 b2 Oil pump statusb1 : Oil pump circuit Ab2 : Oil pump circuit B7 b1 b2 b3 b4 Fan stages status circuit Ab1 : Fan stage 1b2 : Fan stage 2b3 : Fan stage 3b4 : Fan stage 48 b1 b2 b3 b4 Fan stages status circuit Bb1 : Fan stage 1b2 : Fan stage 2b3 : Fan stage 3b4 : Fan stage 49 b1 b2 Alarm outputs statusb1 : Circuit Ab2 : Circuit B10* nnn EXV position circuit A11* nnn EXV position circuit B12* nnn Variable fan speed or condenser water valve position as % - Circuit A13 nnn Variable fan speed as % - Circuit B14 b 1 b2 Evaporator and condenser pump status15 b 1 b2 Evaporator and heat reclaim condenser heater statusb1: Evaporator heaterb2: Heat reclaim condenser heater16 nnn Heat reclaim condenser water valve position in %17 b 1 b2 b3 b4 Heat reclaim mode solenoid valve statusb1: Heat reclaim coil shutoff solenoid valve, circuit Ab2: Heat reclaim coil drain solenoid valve, circuit Ab3: Heat reclaim coil shutoff solenoid valve, circuit Bb4: Heat reclaim coil drain solenoid valve, circuit B18 n Local interface testKey:* : This item is displayed in certain unit configurations only.b : 0 = Open/Closed; 1 = Start/Stopn : numerical displayAccess to the tests is password controlled. The password mustfirst have been entered in the Configuration menu (see section4.2.10).To carry out a test use the or buttons to access the outputto be tested and press the A button to activate modificationmode. The Output/Test LED on the user interface starts toflash. Enter the required test value and press to start the test.The Output/Test LED stops flashing. Press , or to stopthe test."no"1 0001