Carrier 40VMU Installation And Maintenance Instructions Manual Download

Page: 9 / 18

NOTE:

Field wiring must use copper conductors only.

Fig. 15 —40VMU007-024 Typical Wiring Diagram

LEGEND

ACB

—

Auxiliary Control Board

ALARM

—

Warning Lamp (Optional)

AUXH

—

Output for Auxiliary Heat

—

Condensate Switch (Optional)

CTON

—

Output for Cooling Operation

EEV

—

Electronic Expansion Valve

FAN

—

Output for Fan Operation

—

Indoor Fan Motor

HTON

—

Output for Heating Operation

PUMP

—

Pump Motor (Optional)

T1/T0

—

Room Temp. Sensor

T2A

—

Inlet Pipe Temp. Sensor

T2B

—

Outlet Pipe Temp. Sensor

XP1-8

—

Connectors

XS1-4

—

Connectors

XT1-2

—

Terminal

-----------

—

Optional Component or Field Wiring

Summary of Contents for 40VMU

Page 1: ...ll result in severe personal injury or death WARNING signifies hazards that could result in personal injury or death CAUTION is used to identify unsafe practices which would result in minor personal i...

Page 2: ...ures may result in damage to equipment For information about replacement oil type and viscosity see the Installation Start Up and Service Instructions for the 38VMAH and 38VMAR outdoor units UNIT 40VM...

Page 3: ...Connect the drain hose to condensate connec tion Flexible conduit and connectors 1 Routing power lines Hanging bracket 4 Used for hanging the unit Installation guide for metallic flexible pipe 1 Mount...

Page 4: ...ns shown in inches Fig 2 40VMU012 030 Dimensions NOTE All dimensions shown in inches Fig 3 40VMU036 048 Dimensions 40VMU UNIT SIZE DIMENSION in A B C D 012 024 39 26 8 19 7 8 30 50 1 2 26 8 31 1 4 A B...

Page 5: ...SITE FOR UNIT INSTALLATION To save time and to reduce the possibility of costly errors set up a complete sample installation in a typical room at the job site Check all critical dimensions such as pip...

Page 6: ...h locknuts and washers on both sides Ensure the threaded rod does not protrude more than 1 in below the mounting hole on the hanging bracket as shown in Fig 7 Fig 7 Mounting the Hanging Bracket 3 Remo...

Page 7: ...the indoor and outdoor units If the difference between them is more than 33 ft consider mounting the outdoor unit above indoor unit Refrigerant piping connection between indoor and outdoor units shou...

Page 8: ...d cables to the unit s power terminal Be sure the power wiring and control wiring do not cross This might cause disturbance on the controls side See Fig 15 for wiring diagrams OUTSIDE DIAMETER IN RECO...

Page 9: ...iliary Heat CS Condensate Switch Optional CTON Output for Cooling Operation EEV Electronic Expansion Valve FAN Output for Fan Operation FM Indoor Fan Motor HTON Output for Heating Operation PUMP Pump...

Page 10: ...r to fix the communication wire on the outdoor unit communication terminal as shown in Fig 19 Fig 19 Connecting Communication Wire to Outdoor Unit Communication Terminal If communication wires are use...

Page 11: ...or To No 1 indoor To 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...

Page 12: ...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 To...

Page 13: ...hedule In addition Clean condensate tray with suitable cleaning agent Clean the grille and panel if applicable EVERY 12 MONTHS Follow the 6 month maintenance schedule In addition Be sure all electrica...

Page 14: ...confirm and exit the setting interface Fig 27 Non Programmable Controller Setting IDU Address Programmable Controller When setting an address connect only one wired controller to an indoor unit 1 Pre...

Page 15: ...mmunication Error Between Indoor and Outdoor Unit E2 Check Indoor Ambient Temperature Sensor T1 T0 E4 Check Evaporator Temperature Sensor T2B E5 Check Evaporator Outlet Temperature Sensor T2A E6 Check...

Page 16: ...E9 Communication Error 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...

Page 17: ...o 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 UNIT IDENTIFICATION OFF Standard Indoor Unit...

Page 18: ...ht to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 20 40VMU001 02 Printed in U S A Form 40VMU 2SI Pg 18 02 20 Replaces 40VMU...

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