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Carrier GEMINI SELECT 38APD025, Operating And Service Manual

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Carrier GEMINI SELECT 38APD025 Operating And Service Manual Download Page 46

46

                       LEGEND

*

Field-supplied.

†Field-supplied when required. Must be controlled by 38AP unit control.

Fig. 57 — Required Location of Solenoid Valves and Recommended Filter Drier and

Sight Glass Locations for 38APD025-100 Dual-Circuit Units

LLS —

Liquid Line Solenoid

TXV —

Thermostatic Expansion Valve

*

Field-supplied.

†Field-supplied when required. Must be controlled by 38AP unit control.

Fig. 58 — Required Location of Solenoid Valves and Recommended Filter Drier and

Sight Glass Locations for 38APS025-050 Single-Circuit Units

†

†

a38-7117

S

ECTION 1

S

ECTION 1

S

ECTION 2

S

ECTION 2

S

OLENOID VALVE†

S

OLENOID VALVE†

LIQUID
LINE

LIQUID
LINE

a38-7118

Summary of Contents for GEMINI SELECT 38APD025

Page 1: ...rolled Cooling Set Point 4 to 20 mA 32 Digital Scroll Option 32 PRE START UP 33 System Check 33 START UP 33 49 Preliminary Charge 33 Adjust Refrigerant Charge 34 Check Compressor Oil Level 47 Final Ch...

Page 2: ...referenced in the local display tables for users configuring the unit with CCN software instead of the local display The CCN tables are located in Appendix B of the manual WARNING Electrical shock can...

Page 3: ...CB Circuit Breaker CCHR Crankcase Heater Relay CSB Current Sensor Board EMM Energy Management Module EQUIP GND Equipment Ground FB Fuse Block FC Fan Contactor LON Local Operating Network MBB Main Base...

Page 4: ...reaker CCH Crankcase Heater Relay CSB Current Sensor Board EMM Energy Management Module EQUIP GND Equipment Ground FC Fan Contactor FCB Fan Circuit Breaker LON Local Operating Network MBB Main Base Bo...

Page 5: ...CH Crankcase Heater Relay CSB Current Sensor Board CXB Compressor Expansion Board EMM Energy Management Module EQUIP GND Equipment Ground FC Fan Contactor FCB Fan Circuit Breaker LON Local Operating N...

Page 6: ...6 Fig 4 Power Wiring Schematic 38APS APD025 030...

Page 7: ...7 Fig 5 Power Wiring Schematic 38APS040 050...

Page 8: ...8 Fig 6 Power Wiring Schematic 38APD040 060...

Page 9: ...9 Fig 7 Power Wiring Schematic 38APD070 100...

Page 10: ...10 Fig 8 Control Wiring Schematic 38APS025 050...

Page 11: ...11 Fig 9 Control Wiring Schematic 38APD025 060...

Page 12: ...12 Fig 10 Control Wiring Schematic 38APD070 100...

Page 13: ...following units 070 all units 080 100 400 v 460 v 12 MP B2 not used in the following units 070 all units 080 100 400 v 460 v 13 MP A3 not used in the following units 090 100 400 v 460 v 14 MP B3 not u...

Page 14: ...inal block with MCA from 175 1 amps to 420 amps is 2 AWG to 600 kcmil c Incoming wire size range for non fused disconnect with MCA up to 100 amps is 14 AWG to 1 0 d Incoming wire size range for non fu...

Page 15: ...at Control with Digital Scroll Option Sizes 025 030 or All Sizes 040 100 Fig 13 Constant Volume Application Wiring Diagram 2 Stage Thermostat Control Sizes 025 030 without Digital Scroll Option Not re...

Page 16: ...ge for non fused disconnect with MCA up to 100 amps is 14 AWG to 1 0 d Incoming wire size range for non fused disconnect with MCA from 100 1 amp to 200 amps is 6 AWG to 350 kcmil e Incoming wire size...

Page 17: ...s displayed to move through the top 11 mode levels indicated by LEDs on the left side of the display See Fig 19 Once within a Mode or sub mode a indicates the cur rently selected item on the display s...

Page 18: ...controls several outputs Informa tion is transmitted between modules via a 3 wire communica tion bus or LEN Local Equipment Network The CCN Car rier Comfort Network bus is also supported Connections t...

Page 19: ...tus LEDs should be blinking in unison at a rate of once every 2 seconds If the red LEDs are not blinking in unison verify that correct power is being supplied to all modules Be sure that the main base...

Page 20: ...appropri ate colors for different colored cables 3 Connect the red wire to terminal on LVT of the plug the white wire to COM terminal and the black wire to the terminal 4 The RJ14 CCN connector on LVT...

Page 21: ...s are used to measure the interior temperature of a building The following three types of SPT sensors are available Space temperature sensor 33ZCT55SPT with timed override button see Fig 23 Space temp...

Page 22: ...nication bus NOTE See Fig 27 for space temperature averaging IMPORTANT The cable selected for the RJ11 connector wiring MUST be identical to the CCN communication bus wire used for the entire network...

Page 23: ...ture Reset and Demand Limit sections on pages 29 and 31 for further details Control When mechanical cooling is required the MBB has the capability to control the unit capacity by staging multi ple scr...

Page 24: ...control the unit is allowed to use multiple stages of cooling control and per form VAV style operation The control will be able to call out a low set point CSP1 or high set point CSP2 for supply air d...

Page 25: ...rmation Table 8 Part Load Data Percent NOTES 1 These capacity steps may vary due to different capacity staging sequences 2 When unit is equiped with digital scroll option sequence A is always used UNI...

Page 26: ...and supply temperature If the difference is greater than 4 F 2 2 C and the rate of change F or C per minute is more than the configured Cool ing Ramp Loading value CRMP the control does not allow any...

Page 27: ...3 OFM5 OFM6 OFM1 CONTROL BOX OFM4 OFM5 OFM6 OFM2 OFM3 OFM1 Compressor Layout Dual Circuit Top View Sizes 025 030 Sizes 040 060 Sizes 070 080 CONTROL BOX A1 B1 CONTROL BOX B1 B2 A1 A2 CONTROL BOX B1 B2...

Page 28: ...5 Demand limit is in effect This indicates that the capacity of the unit is being limited by demand limit control option Because of this limitation the unit may not be able to produce the desired supp...

Page 29: ...mode RSET items CRST RT NO RT F and RT DG must be properly set See Table 12 This example provides 5 F 2 8 C active set point reset at 2 F 1 1 C T and 0 F 0 C reset at 10 F 5 6 C T The variable RT NO s...

Page 30: ...or Air Space CONFIGURATION DISP UNIT OPT1 OPT2 M MST RSET CRST 2 4 COOLING RESET TYPE 2 Outdoor Air Temperature 4 Space Temperature Connect to LTV 21 22 RM NO 85 F 72 F REMOTE NO RESET TEMP Default 12...

Page 31: ...t is set to the lowest demand takes priority if both demand limit inputs are closed If the demand limit percentage does not match unit staging the unit will limit capacity to the closest capacity stag...

Page 32: ...n two stages the loaded state when the solenoid valve is normally closed and the unloaded state when the solenoid valve is open During the loaded state the compressor operates like a standard scroll a...

Page 33: ...in a 30 minute time period then continue the dehy dration process Maintain a vacuum on the system until the standing vacuum requirement is met This will ensure a dry system By following these evacuati...

Page 34: ...close to the liquid service valve as possible Add charge until the pressure and tempera ture conditions of the charging chart curve are met If liquid pressure and temperature point fall above curve ad...

Page 35: ...rge in 1 4 lb increments until complete Ensure that all fans are on and all compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7169 90 100 110 120 130 Sing...

Page 36: ...compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7171 90 100 110 120 130 Single Circuit 50 40 E AT LIQUID VALVE DEG C E AT LIQUID VALVE DEG F ADD CHARGE...

Page 37: ...compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7173 90 100 110 120 130 Single Circuit 50 40 E AT LIQUID VALVE DEG C E AT LIQUID VALVE DEG F ADD CHARGE...

Page 38: ...compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7175 90 100 110 120 130 Circuit B 50 40 E AT LIQUID VALVE DEG C E AT LIQUID VALVE DEG F ADD CHARGE IF A...

Page 39: ...add or remove charge in 1 4 lb increments until complete Ensure that all fans are on and all compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7177 90 10...

Page 40: ...lete Ensure that all fans are on and all compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7179 90 100 110 120 130 Single Circuit 50 40 E AT LIQUID VALVE...

Page 41: ...until complete Ensure that all fans are on and all compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7181 90 0 100 0 110 0 120 0 130 0 Circuit B 50 40 30...

Page 42: ...until complete Ensure that all fans are on and all compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7183 90 100 110 120 130 Circuit B 50 40 E AT LIQUID V...

Page 43: ...until complete Ensure that all fans are on and all compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7185 90 100 110 120 130 Circuit B 50 40 E AT LIQUID V...

Page 44: ...until complete Ensure that all fans are on and all compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7187 90 100 110 120 130 Circuit B 50 40 E AT LIQUID V...

Page 45: ...until complete Ensure that all fans are on and all compressors are running when using charging charts LEGEND SST Saturated Suction Temperature a38 7189 90 100 110 120 130 Circuit B 50 40 E AT LIQUID V...

Page 46: ...Dual Circuit Units LLS Liquid Line Solenoid TXV Thermostatic Expansion Valve Field supplied Field supplied when required Must be controlled by 38AP unit control Fig 58 Required Location of Solenoid Va...

Page 47: ...es are Totaline 3MAF POE P903 1601 Mobil EAL Arctic 32 3MA Uniqema RL32 3MAF Do not reuse oil that has been drained out or oil that has been exposed to atmosphere Actual Start Up NOTE Refer to Start U...

Page 48: ...ermine percent voltage imbalance This voltage imbalance is satisfactory as it is below the maximum allowable of 2 Control Circuit Power Power for the control circuit is supplied from the main incoming...

Page 49: ...hannel and has a differ ent set of temperature vs resistance and voltage drop perfor mance than the 5 k thermistors SUPPLY AIR THERMISTOR SAT This sensor is field supplied and is used to measure the s...

Page 50: ...906 88 1 298 3 814 89 1 278 3 726 90 1 257 3 640 91 1 237 3 556 92 1 217 3 474 93 1 198 3 395 94 1 179 3 318 95 1 160 3 243 96 1 141 3 170 97 1 122 3 099 98 1 104 3 031 99 1 086 2 964 100 1 068 2 898...

Page 51: ...5 225 25 1 538 5 000 26 1 497 4 786 27 1 457 4 583 28 1 417 4 389 29 1 378 4 204 30 1 340 4 028 31 1 302 3 861 32 1 265 3 701 33 1 229 3 549 34 1 194 3 404 35 1 160 3 266 36 1 126 3 134 37 1 093 3 00...

Page 52: ...7 685 89 2 144 7 507 90 2 115 7 333 91 2 087 7 165 92 2 059 6 999 93 2 030 6 838 94 2 003 6 683 95 1 975 6 530 96 1 948 6 383 97 1 921 6 238 98 1 894 6 098 99 1 867 5 961 100 1 841 5 827 101 1 815 5...

Page 53: ...46 1 480 4 203 47 1 439 4 042 48 1 400 3 889 49 1 362 3 743 50 1 324 3 603 51 1 288 3 469 52 1 252 3 340 53 1 217 3 217 54 1 183 3 099 55 1 150 2 986 56 1 117 2 878 57 1 086 2 774 58 1 055 2 675 59 1...

Page 54: ...61 Thermistor Connections to Main Base Board J8 Connector 26 25 24 23 22 17 16 15 14 13 12 11 10 9 8 7 6 3 1 3 1 3 1 6 2 4 2 4 2 12 11 21 20 19 18 10 9 8 7 6 5 4 5 4 3 2 1 4 2 1 3 5 J8 BLK RED LVT 4 3...

Page 55: ...be changed by using the up and down buttons Use and to change setting Press Mode to store new setting Pressing the Mode will store the new setting and also exit the PROGRAM mode To change another para...

Page 56: ...P01 appropriately OF Output Transistor Fault Phase to phase or phase to ground short circuit on the output Failed output transistor Boost settings are too high Acceleration rate is too fast Reduce bo...

Page 57: ...guration Table 208 v can run in mode 5 or 6 MODE NOMINAL VOLTAGE Hz CONTROL INPUT PINS 25 2 START JUMPER 5 208 230 460 575 60 External control 4 20 mA TB1 TB2 6 208 380 60 External control 4 20 mA TB1...

Page 58: ...00 P27 Base freq 60 or 50 Hz 60 60 50 50 P28 Fixed boost 0 5 at low frequencies 0 5 0 5 0 5 0 5 P29 Accel boost 0 0 0 0 0 P30 Slip compensation 0 0 0 0 0 P31 Preset spd 1 0 57 57 47 47 P32 Preset spd...

Page 59: ...e defective module NOTE Handle boards by mounting standoffs only to avoid electrostatic discharge 4 Package the defective module in the carton of the new module for return to Carrier 5 Mount the new m...

Page 60: ...r power is restored restart is automatic through normal MBB start up UNIT ENABLE OFF REMOTE CONTACT SWITCH IS OFF When the switch is OFF the unit will stop immediate ly Place the switch in the ENABLE...

Page 61: ...ining and correcting the cause of the alarm enter the Alarm mode indicated by the LED on the side of the scrolling marquee display Press and until the sub menu item RCRN RESET ALL CURRENT ALARMS is di...

Page 62: ...Compressor Return Gas Tempera ture Thermistor Failure This alert occurs when the com pressor return gas temperature sensor is outside the range of 40 to 245 F 40 to 118 C Failure of this thermistor w...

Page 63: ...ated condensing temperature is greater than 150 F 65 6 C Prior to the alert the control will shut down one compressor on a circuit if that circuit s saturated condensing temperature is greater than 14...

Page 64: ...B feedback signal does not match relay state Respective compressor shut down in Circuit A Manual T055 T056 T057 Alert Circuit B Compressor B1 B2 B3 Failure Respective current sensor board CSB feedback...

Page 65: ...running Circuit A shut down Manual P121 Alert Circuit A Low Saturated Suction SSTB is less than 20 F for 4 minutes less than 10 F for 2 minutes less than 0 F for 1 minute or less than 20 F for 20 sec...

Page 66: ...tate Unit not allowed to start Automatic T201 Alert Fan Status Switch 1 is open with Dual TSTAT configuration Alert is generated when fan status switch 1 is open when Y1 or Y2 are closed Circuit A is...

Page 67: ...YES NO Override Modes in Effect CAP xxx Percent Total Capacity STGE x Requested Stage ALRM xxx Current Alarms Alerts TIME xx xx Time of Day 00 00 23 59 MNTH xx Month of Year 1 12 1 January 2 February...

Page 68: ...X AUX CESR131333 XXXXX CXB CESR131173 XXXXX EMM CESR131174 XXXXX MARQ CESR131171 XXXXX NAVI CESR130227 XXXXX SUB MODE ITEM DISPLAY ITEM DESCRIPTION COMMENT TEST Service Test Mode To enable Service Tes...

Page 69: ...ITEM DISPLAY ITEM DESCRIPTION COMMENT PRC A PRESSURES CIRCUIT A DP A XXX XPSIG Discharge Pressure SP A XXX XPSIG Suction Pressure PRC B PRESSURES CIRCUIT B DP B XXX XPSIG Discharge Pressure SP B XXX X...

Page 70: ...r B2 Feedback FKB3 ON OFF Compressor B3 Feedback HPSB ON OFF High Pressure Switch B 4 20 4 20 MA INPUTS DMND XX X 4 20 ma Demand Signal RSET XX X 4 20 ma Reset Signal CL MA XX X 4 20 Cooling Demand SU...

Page 71: ...1 Range 0 to 239 CCNB XXX CCN Bus Number Default 1 Range 0 to 239 BAUD X CCN Baud Rate Default 3 1 2400 2 4800 3 9600 4 19 200 5 38 400 OPT1 UNIT OPTIONS 1 HARDWARE MLV S YES NO Minimum Load Valve Se...

Page 72: ...ge 30 to 30 F DMDC X Demand Limit Select Default 0 0 None 1 Switch 2 4 to 20 mA Input 3 CCN Loadshed DM20 XXX Demand Limit at 20 mA Default 100 Range 0 to 100 SHNM XXX Loadshed Group Number Default 0...

Page 73: ...MON XX Holiday Start Month DAY XX Start Day LEN XX Duration days HD 02 HOLIDAY SCHEDULE 02 MON XX Holiday Start Month 1 12 1 January 2 February etc DAY XX Start Day 01 31 LEN XX Duration days HD 03 HO...

Page 74: ...N XX Holiday Start Month 1 12 1 January 2 February etc DAY XX Start Day 01 31 LEN XX Duration days HD 14 HOLIDAY SCHEDULE 14 MON XX Holiday Start Month 1 12 1 January 2 February etc DAY XX Start Day 0...

Page 75: ...N XX Holiday Start Month 1 12 1 January 2 February etc DAY XX Start Day 01 31 LEN XX Duration days HD 25 HOLIDAY SCHEDULE 25 MON XX Holiday Start Month 1 12 1 January 2 February etc DAY XX Start Day 0...

Page 76: ...R 3 OCCUPANCY PERIOD 3 OCC 3 XX XX Period Occupied Time Military 00 00 23 59 UNC 3 XX XX Period Unoccupied Time Military 00 00 23 59 MON 3 YES NO Monday In Period TUE 3 YES NO Tuesday In Period WED 3...

Page 77: ...59 MON 7 YES NO Monday In Period TUE 7 YES NO Tuesday In Period WED 7 YES NO Wednesday In Period THU 7 YES NO Thursday In Period FRI 7 YES NO Friday In Period SAT 7 YES NO Saturday In Period SUN 7 YES...

Page 78: ...B MD23 ON OFF Minimum Comp On Time MD25 ON OFF Low Sound Mode TSKS TASK STATES TKCA X Circuit A State 0 OFF 1 ALLOW TO RUN 2 PRE START 3 STARTING 4 RUNNING 5 STOPPING TKCB X Circuit B State 0 OFF 1 A...

Page 79: ...eft for Start 5 char ASCII MIN_LEFT CIRCA_AN Circuit A Analog Parameters Percent Total Capacity NNN CAPA_T Percent Available Capacity NNN CAPA_A Discharge Pressure NNN n PSIG DP_A Suction Pressure NNN...

Page 80: ...Line Solenoid B Off On LLSV_B CIRC B DISCRETE INPUTS Compressor B1 Feedback Off On K_B1_FBK Compressor B2 Feedback Off On K_B2_FBK Compressor B3 Feedback Off On K_B3_FBK High Pressure Switch B Open Cl...

Page 81: ...nfiguration Machine Control Type N CTRLTYPE Control Method N CONTROL Loading Sequence Select N SEQ_TYPE Lead Lag Circuit Select N LEAD_TYP Ramp Load Select Disable Enable RAMP_EBL Minutes Off Time NN...

Page 82: ...Lo Cool On Set Point NN n deltaF DMDLCON HI Cool On Set Point NN n deltaF DMDHCON Lo Cool Off Set Point NN n deltaF DMDLCOFF RAMP LOADING Cooling Ramp Loading N n CRAMP Head Set Point ON NNN n degF HS...

Page 83: ...ve Alarm 13 4 char ASCII ALARM13C Active Alarm 14 4 char ASCII ALARM14C Active Alarm 15 4 char ASCII ALARM15C Active Alarm 16 4 char ASCII ALARM16C Active Alarm 17 4 char ASCII ALARM17C Active Alarm 1...

Page 84: ...RUNTEST Maintenance Display Percent Total Capacity NNN CAPA_T Percent Available Capacity NNN CAPA_A Discharge Pressure NNN n PSIG DP_A Suction Pressure NNN n PSIG SP_A Head Set Point ON NNN n degF HSP...

Page 85: ......

Page 86: ...to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53380003 01 Printed in U S A Form 38AP 1T Pg 86 210 11 09 Replaces New Cop...

Page 87: ...________________ II Preliminary Equipment Check IS THERE ANY PHYSICAL DAMAGE YES NO DESCRIPTION ____________________________________________________________________________ ___________________________...

Page 88: ...NO 15 THE LIQUID SOLENOID VALVES IF INSTALLED ARE NEAR THE EVAPORATOR YES NO 16 THE PIPING HAS BEEN CHECKED FOR LEAKS WITH A LEAK DETECTOR YES NO LOCATE REPAIR AND REPORT ANY LEAKS____________________...

Page 89: ..._________________________________ 9 OIL LEVELS ARE STILL WITHIN SIGHT GLASS ES YES NO OPERATING DATA RECORD THE FOLLOWING INFORMATION FROM THE PRESSURES AND TEMPERATURES MODES WHEN MACHINE IS IN A STA...

Page 90: ...SOR A1 COMPRESSOR A2 COMPRESSOR A3 COMPRESSOR B1 COMPRESSOR B2 COMPRESSOR B3 CONDENSER FAN MOTOR CURRENT L1 L2 L3 FAN MOTOR 1 FAN MOTOR 2 FAN MOTOR 3 FAN MOTOR 4 FAN MOTOR 5 FAN MOTOR 6 L1 L2 L3 EVAPO...

Page 91: ...____________________________________________________ _________________________________________________________________________________________ _________________________________________________________...

Page 92: ...e at any time specifications or designs without notice and without incurring obligations Catalog No 04 53380003 01 Printed in U S A Form 38AP 1T Pg CL 6 210 11 09 Replaces New Copyright 2009 Carrier C...

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