Carrier 40VMM007A Installation And Maintenance Instructions Manual Download Page 24

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TROUBLESHOOTING

Figure 40 shows the LED display panel on the indoor unit. See Table 5 for a summary of display indicators. Table 6 lists problems,

possible causes, and possible solutions.

Table 5 — LED Display Indicators

ERROR CODE

LED DISPLAY

MODE/STATUS

[NO ERROR]

Operation Light ON

Starting

None

Shutdown

Operation Light Flashing

Standby

Timer Light ON

Timing ON

Timer Light OFF

Timing OFF

Operation and Defrost / Fan Light ON

System Defrost ON

Operation and Defrost / Fan Light OFF

System Defrost OFF

Operation Light ON

Only fan

None

Heating / Cooling Mode Conflict

None

Communication Error Between Indoor and Outdoor Unit

None

Check Indoor Ambient Temperature Sensor (T1)

None

Check Evaporator Temperature Sensor (T2B)

None

Check Evaporator Outlet Temperature Sensor (T2A)

None

Check DC Fan Motor

None

EEPROM Error (Data Storage)

None

Communication Error Between Indoor Unit and Controller

None

MDC Error In Auto System-Check Mode

None

EEV Error

None

Outdoor Unit Error

None

Condensate Error

None

No Address When Power ON For First Time

LEGEND

EEPROM

—

Electronically Erasable Programmable Read-only Memory

EEV

—

Electronic Expansion Valve

MDC

—

Multiport Distribution Controller

Fig. 40 — LED Display Panel

a40-1873

MANUAL OPERATION TIMER DEF./FAN ALARM

Summary of Contents for 40VMM007A

Page 1: ...ds that could result in personal injury or death CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage Recognize safety information This is the safety alert symbol When this symbol is displayed on the unit and in instructions or manuals be alert to the potential for personal injury Installing starting up and servicing equipment can ...

Page 2: ... unit size Figs 2 and 3 show unit dimensions Figs 4 12 show fan performance curves CAUTION DO NOT re use compressor oil or any oil that has been exposed to the atmosphere Dispose of oil per local codes and regulations DO NOT leave refrigerant system open to air any longer than the actual time required to service the equipment Seal circuits being serviced and charge with dry nitrogen to prevent oil...

Page 3: ...densate connection 1 For drainage Clamp 1 Connect the drain hose to condensate connection Copper nut 1 Use for pipe connection LED display panel 1 Operation and error display Copper pipes 2 Use for inlet and outlet connection Connecting wire 1 For occupancy sensor No Beep Harness 1 Prevent beeping noise a40 1873 MANUAL OPERATION TIMER DEF FAN ALARM LEGEND MDC Multiport Distribution Controller ...

Page 4: ...EL dBA Low 31 8 32 7 31 4 31 9 34 2 39 4 40 8 41 2 Medium 32 1 32 4 33 7 32 7 33 6 36 3 42 3 43 8 43 8 High 33 2 32 7 36 8 35 9 38 6 42 0 46 7 47 8 48 0 UNIT Unit Dimensions W x H x D in 39 1 4 x 8 1 4 x 19 3 4 39 3 4 x 10 5 8 x 25 48 1 2 x 10 5 8 x 30 1 2 50 3 4 x 11 7 8 x 34 1 8 Packing Dimensions W x H x D in 44 7 8 x 111 2 x 22 45 1 16 x 14 x 27 3 4 53 15 16 x 14 3 8 x 33 11 16 56 1 8 x 15 5 8...

Page 5: ... 5 8 28 1 3 8 7 10 1 4 32 37 3 4 13 3 4 015 018 024 44 7 8 10 5 8 30 1 2 28 48 1 2 2 5 8 36 3 4 1 3 8 7 10 1 4 40 3 4 46 1 2 19 1 4 030 036 048 47 1 8 11 7 8 34 1 8 31 1 2 50 3 4 3 1 8 37 7 16 1 1 2 8 11 3 8 43 48 7 8 19 5 8 C D Nameplate and other labels 1 1 2 Left Side View Right Side View 2 3 4 1 3 8 M L M 1 3 8 I H F G A Front View B K E J Warning Labels Rear View Bottom View Top View Mounting...

Page 6: ... t o f E S P M a x E S P Upper Lim it of ESP Rating ESP Upper Limit of ESP Min ESP Lower Limit of ESP Rating ESP Lower Limit of ESP Min ESP ESP FAN SPEED RANGE OF AVAILABLE AIRFLOW RATE IN H SPEED Max Point Mid Point Min Point Max CFM SP in Mid CFM SP in Min CFM SP in 0 10 H 644 0 07 535 0 10 476 0 13 0 20 H 644 0 16 535 0 18 476 0 21 0 30 H 644 0 28 535 0 29 476 0 32 0 40 H 644 0 36 535 0 40 476 ...

Page 7: ...221 0 27 0 32 H 299 0 29 260 0 32 221 0 34 LEGEND ESP External Static Pressure SP Static Pressure Fig 7 Size 009A Fan Curves ESP FAN SPEED RANGE OF AVAILABLE AIRFLOW RATE IN H SPEED Max Point Mid Point Min Point Max CFM SP in Mid CFM SP in Min CFM SP in 0 00 H 391 0 00 340 0 00 289 0 01 0 04 H 391 0 00 340 0 04 289 0 07 0 08 H 391 0 04 340 0 08 289 0 11 0 12 H 391 0 09 340 0 12 289 0 15 0 16 H 391...

Page 8: ...ing ESP Upper Limit of ESP Min ESP Lower Limit of ESP Rating ESP Lower Limit of ESP Min ESP ESP FAN SPEED RANGE OF AVAILABLE AIRFLOW RATE IN H SPEED Max Point Mid Point Min Point Max CFM SP in Mid CFM SP in Min CFM SP in 0 10 H 920 0 03 800 0 10 680 0 16 0 20 H 920 0 12 800 0 18 680 0 24 0 30 H 920 0 22 800 0 29 680 0 32 0 40 H 920 0 30 800 0 33 680 0 39 0 50 H 920 0 42 800 0 46 680 0 50 0 60 H 92...

Page 9: ...er Limit of ESP Rating ESP Lower Limit of ESP Min ESP Fig 10 Size 030A Fan Curves ESP FAN SPEED RANGE OF AVAILABLE AIRFLOW RATE IN H SPEED Max Point Mid Point Min Point Max CFM SP in Mid CFM SP in Min CFM SP in 0 10 H 1366 0 00 1200 0 09 1020 0 16 0 20 H 1380 0 11 1200 0 21 1020 0 26 0 30 H 1380 0 21 1200 0 28 1020 0 34 0 40 H 1380 0 34 1200 0 40 1020 0 46 0 50 H 1380 0 44 1200 0 48 1020 0 55 0 60...

Page 10: ...in Point Max CFM SP in Mid CFM SP in Min CFM SP in 0 10 H 1509 0 00 1370 0 10 1165 0 20 0 20 H 1576 0 07 1370 0 18 1165 0 28 0 30 H 1576 0 17 1370 0 29 1165 0 36 0 40 H 1576 0 31 1370 0 41 1165 0 47 0 50 H 1576 0 38 1370 0 52 1165 0 58 0 60 H 1576 0 45 1370 0 54 1165 0 62 LEGEND ESP External Static Pressure SP Static Pressure 0 0 04 0 08 0 12 0 2 0 16 0 24 0 28 0 32 0 36 0 4 0 44 0 48 0 52 0 56 0 ...

Page 11: ...gs and product dimension drawings as required Instruct all trades in their parts of the installation Units must be installed in compliance with all applicable local code requirements IDENTIFYING AND PREPARING UNITS Be sure power requirements match available power source Refer to the unit nameplate and wiring diagram In addition Check all tags on the unit to determine if shipping screws are to be r...

Page 12: ...ied from rear return to bottom return Follow the instructions below to change the return air arrangement Remove Air Filter Frame and Cover Plate 1 Remove the screws that secure the filter frame to the rear of the unit 2 Remove the screws that secure the return air cover plate to the bottom of the unit and set the cover plate aside See Fig 15 below Fig 15 Removing Air Filter Frame and Cover Plate A...

Page 13: ...tion locations The refrigeration piping starts at the indoor unit and ends at the outdoor unit or MDC Multiport Distribution Controller for Heat Recovery systems The refrigerant piping should be dry and free of dust and other impurities The bending angle of the refrigerant pipe should not exceed 90 and the bending radius should be as large as possible to prevent any breakage in piping Use proper c...

Page 14: ...on the controls side See Fig 22 and 23 for wiring diagrams NOTE The indoor unit requires its own power supply Indoor units are not powered through outdoor units WARNING Electrical shock can cause personal injury and death Disconnect the power supply before making wiring connections There may be more than one disconnect switch Tag all disconnect locations to alert others not to restore power until ...

Page 15: ...T2B EEV Warning lamp Electronic expansion valve ALARM Indoor fan motor Room temp sensor T1 FM Code Title XS1 5 XP1 7 XT1 2 Connectors Terminal Pump motor Water level switch PUMP CS CN51 CN50 ACB interface Current range 0 1A Voltage range 0 24V AC DC FAN CTON HTON AUXH T2A T2B T1 XS3 XP3 XS1 XP1 XS2 XP2 YELLOW GRAY WHITE BLUE ON OFF SWITCH SW8 SW1 3GOT UGXJ ON ON ENC2 XT2 CN21 CN12 CN14 CN4 CN5 CN5...

Page 16: ... temp Sensor T2B EEV Warning lamp Electronic expansion valve ALARM Indoor fan motor Room temp sensor T1 FM Code Title XS1 5 XP1 7 XT1 2 Connectors Terminal Pump motor Water level switch PUMP CS CN51 CN50 ACB interface Current range 0 1A Voltage range 0 24V AC DC FAN CTON HTON AUXH T2A T2B T1 XS3 XP3 XS1 XP1 XS2 XP2 YELLOW GRAY WHITE BLUE ON OFF SWITCH SW8 SW1 3GOT UGXJ ON ON ENC2 XT2 CN21 CN12 CN1...

Page 17: ...of the insulation layer as shown in Fig 26 below Fig 26 Stripping The Wire 3 Use a suitable screwdriver to fix the communication wire on the outdoor unit communication terminal as shown in Fig 27 below If communication wires are used to connect indoor units find the corresponding port and plug it in as shown in Fig 28 Fig 28 Connecting the Communication Wires If it is not possible to buy communica...

Page 18: ...18 Fig 29 Connecting the Communication Cable to Indoor Unit Using the Supplied Connector Connector in accessory kit Connector on indoor unit Communication cable in field ...

Page 19: ...o No 2 indoor To Sub MDC Main MDC unit To outdoor To outdoor L1 L2 L3 L3 L3 L3 L4 L4 L5 L6 L7 L8 L9 L10 L11 Indoor unit 1 HA HB Indoor unit 2 Indoor unit 3 Indoor unit 4 Indoor unit 5 Indoor unit 6 HA HB HA HB HA HB HA HB HA HB Maximum wiring length IW RUH 6WUDQGHG 6KLHOG IW RUH 6WUDQGHG 6KLHOG IW RUH 6WUDQGHG 6KLHOG IW RUH 6WUDQGHG 6KLHOG HA HB HA HB HA HB HA HB HA HB HA HB NOTE Power from IDU NO...

Page 20: ...controller HA HB L1 L3 L5 L6 L7 L8 L9 L10 L11 L3 L3 L3 L3 Indoor unit 1 Indoor unit 2 Indoor unit 4 Indoor unit 5 Indoor unit 6 Indoor unit 3 P Q HA HB HA HB HA HB HA HB HA HB HA HB P Q Network Resistor wired controller Touch screen HA HB HA HB HA HB HA HB HA HB HA HB NOTE Power from IDU NOTE 24 v DC Power Field Supplied Maximum wiring length IW RUH 6WUDQGHG 6KLHOG IW RUH 6WUDQGHG 6KLHOG IW RUH 6W...

Page 21: ...cooling mode The pump comes on Watch the end of the drain pipe for any water It may take time for the water to travel depending on the length of the drain pipe 4 During this test check any bends or joints for leakage System Operation Check Once the installation and pre start checks are complete perform the following steps 1 Using the remote controller select cooling or heating mode to check the op...

Page 22: ...roller 40VM900001 Indoor unit addressing can be performed using the wireless remote controller When using the wireless controller the user must maintain a line of sight with the receiver on the indoor unit See Fig 35 for a description of the buttons on the wireless remote Fig 35 Wireless Remote Controller 40VM900001 4 Use a tool to press and hold the LOCK button for at least ten seconds 5 Press to...

Page 23: ... 38 2 Press TEMP UP or TEMP DOWN to move the cursor and choose IDU ADDRESSING Press MENU OK to access this setting 3 Press TEMP UP or TEMP DOWN to choose the address you want to set as shown in Fig 39 Press MENU OK to send this address to the IDU Fig 39 Programmable Controller Setting IDU Address 4 Press BACK twice or wait 30 seconds to automatically exit the parameter settings menu MODE FAN TEMP ...

Page 24: ...ating Cooling Mode Conflict E1 None Communication Error Between Indoor and Outdoor Unit E2 None Check Indoor Ambient Temperature Sensor T1 E4 None Check Evaporator Temperature Sensor T2B E5 None Check Evaporator Outlet Temperature Sensor T2A E6 None Check DC Fan Motor E7 None EEPROM Error Data Storage E9 None Communication Error Between Indoor Unit and Controller UU None MDC Error In Auto System C...

Page 25: ...or Between Indoor Unit and Controller Signal wires are short circuited or disconnected Check or reconnect signal wires Signal wires close to electromagnetic source Distance signal wires from electromagnetic source PC board fault Replace PC board EB EEV Error EEV wires are short circuited or disconnected Replace EEV wires EEV stop Replace EEV PC board fault Replace PC board ED Outdoor Unit Error Ou...

Page 26: ... located on the main control board When J1 jumper is not in place Auto Restart function is enabled When J1 jumper is in place Auto Restart function is disabled The default setting for J1 is without the jumper in place POSITION 1 START UP OFF Auto Addressing Mode Default ON Factory Test Mode POSITION 2 MODE OFF Normal Mode default ON Factory Self Checking Mode POSITION 3 NOT USED POSITION 4 INDOOR ...

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