Goodman LAKT01, LAKT03 Installation Manual

LAKT01 & LAKT03

LOW AMBIENT KITS
INSTALLATION INSTRUCTIONS

ATTENTION INSTALLING PERSONNEL

As a professional installer you have an obligation to know the prod­uct better than the customer. This includes all safety precautions
and related items.

Prior to actual installation, thoroughly familiarize yourself with this
Instruction Manual. Pay special attention to all safety warnings.
Often during installation or repair it is possible to place yourself in
a position which is more hazardous than when the unit is in opera­tion.

Remember, it is your responsibility to install the product safely
and to know it well enough to be able to instruct a customer in its
safe use.

Safety is a matter of common sense...a matter of thinking before
acting. Most dealers have a list of specific good safety practices...
follow them.

The precautions listed in this Installation Manual are intended as
supplemental to existing practices. However, if there is a direct
conflict between existing practices and the content of this manual,
the precautions listed here take precedence.

DESCRIPTION

The LAKT01 and LAKT03 low ambient kits (for Light Commercial
Models and Residential Splits) are temperature sensitive fan mo­tor speed controls designed to regulate the outdoor section head
pressure by varying the air volume through the outdoor coil and
are required when operating below 55
is achieved by sensing the liquid temperature at the coil by means
of a thermistor probe. The probe provides an input signal to the
control to increase the fan motor speed in relation to changes in
the liquid temperature. Ensure all parts are included before begin­ning. If parts are missing from the kit contact the distributor where
the kit was purchased.

NOTE: These kits are not approved for any 16 and 18 SEER out­door units that utilize an ECM condenser fan motor.

°

F outdoor temperature. This

The following accessories must be installed on all condensers and
remote heat pumps when equipped with low ambient kits.

1. Crankcase heater must be installed if not factory installed.

2. Hard start kit for single phase units. (See Spec Sheet for
Accessories)

3. TXV kit installed on indoor evaporator coil, if not factory in­stalled.

4. FSK01A - Freeze protection kit must be installed on indoor
coil.

o

5. Wind buffer must be installed for temperatures below 0
areas with high prevailing winds. Wind buffer can be a wall
fabricated from wood or masonry material that will prevent
the prevailing wind from causing the outdoor fan to rotate.
NOTE: When wind buffer is installed, it is necessary to use
minimum 4" risers to elevate the unit off of the pad to provide
better airflow for moderate and high ambient temperatures.

F or

NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE

Quality Makes the Difference!

All of our systems are designed and manufactured with the same high quality standards regardless of size or
efficiency. We have designed these units to significantly reduce the most frequent causes of product failure.
They are simple to service and forgiving to operate. We use quality materials and components. Finally, every
unit is run tested before it leaves the factory. That’s why we know. . .There’s No Better Quality.

Visit our website at www.daikincomfort.com, www.goodmanmfg.com or www.amana-hac.com for information on:

• Products • Parts

• Warranties • Contractor Programs and Training

• Customer Services • Financing Options

IO-826

7/2014

is a registered trademark of Maytag Corporation or its related companies and is used under license to

© 2014 Goodman Manufacturing Company, L.P.

Goodman Company, L.P., Houston, TX, USA. All rights reserved.

PARTS LIST FOR KITS

Item Part No. Qty.

Pres sure Control & Probe LAKT01 0130M00058 1

Pres sure Control & Probe LAKT03 0130M00059 1

Wire As sembly LAKT01 --- 8

Wire As sembly LAKT03 --- 6

Terminals LAKT01 --- 4

Terminals LAKT03 --- 7

Wire Ties LAKT01 --- 3

Wire Ties LAKT03 --- 4

Mount ing Bracket
LAKT01 & LAKT03

0121M00047 1

Inst allation Instruc tions IO-826 1

KIT INSTALLATION

Figure 1A

1. Disconnect all sources of power to the unit.

2. Remove access panels to blower compartment and control
box.

3. Using the screws provided, secure the control to the mount­ing bracket provided (see Figure 1A). Secure the new as­sembly on the condenser evaporator partition panel in the
blower section of the unit.

For 3 to 12.5 ton light commercial, secure 2 inches below
the hole where the fan and compressor leads exit the blower
section. See Figure 1B.

For 15 to 20 ton light commercial, secure to the right of
the capacitor assembly, located on the partition panel. See
Figure 1C.

For residential 3 phase models, secure ICM to the control
panel. See Figure 1D. (Do not use mounting bracket in this

application.)

NOTE: Do not install the control in areas where the mount­ing screws can come into contact with the condenser coil or
tubing.

Figure 1B

Figure 1C

2

Figure 1D

4. Connect the electrical wiring as shown in the wiring diagrams
on pages 5 - 8.

5. For light commercial, install temperature probe between
the fins, at the middle to upper section of the condenser coil
(see Figure 2).

For Residential Split Condensers and heat pumps,

install the probe on the liquid line before the filter/dryer.
Ensure the probe body is completely attached to the body of
the liquid tube before securing with the tape (See Figure 3).

LAKT01 (3 thru 6 tons)

Wiring Diagram 0140M00108 - use with AC and HP units, three
phase and single phase application.

For residential 3 phase condensers, connect wires per 0140M00108
wiring diagram.

For residential 3 phase heat pumps, connect wires per 0140R00167
wiring diagram.

LAKT03 (7 ½ tons thru 12 ½ tons)

Wiring Diagram 0140L03520A - use with AC and HP units, three
phase application.

LAKT03 (15 tons and up)

Wiring Diagram 0140L01008 - use with AC units.

(a) Wiring diagrams show the controller connection for 120/

277 volts supply. For 480/600 volts application, connect
the power supply leads to the 480/600 VAC terminal.

NOTE: The low ambient kit is pre-set at the factory and re-

quires no further adjustment. Altering the setting may
greatly reduce motor life.

Figure 2

6. Connect the probe leads to the terminal marked PROBE S1.
For systems with multiple refrigeration circuits, attach the
second probe to PROBE S2 or PROBE S3. The LAKT03 is
shipped with two probes. See control instruction manual for
multiple probe connection and operation.

WIRING DIAGRAMS AND APPLICATION

The LAKT01 and LAKT03 kits are shipped with wiring diagram
included. Affix the low ambient kit wiring diagram on the control
box door next to the unit wiring diagram.

Figure 3

WIRING PROCEDURE FOR LAKT01 (REMOTE AC & HP):

1. Connect the wiring as shown on page 6.

2. Attach supplied wiring diagram adjacent to existing wiring
diagram. Follow the system calibration instruction provided
in the control instruction manual for sleeve bearing motors.
Verify wiring is correct.

3. Use provided wire ties to secure wire leads away from all
moving parts and warm refrigeration tubing.

4. Reinstall access panel.

5. Restore power and verify system operation.

3

WIRING PROCEDURE FOR LAKT03 (7½ thru 12 ½ tons):

WIRING PROCEDURE FOR LAKT03 (15 tons & up):

1. Find the three (3) fan motor leads (purple, black & brown)
from condenser motor circuit #2. (These leads pass through
the partition panel just above the area where the controller
is mounted.) Disconnect the leads at the junctions.

2. From the kit, install one of the “Y” push-on terminal adapt­ers onto the controller terminal marked Motor 2 and another
onto terminal Line 1/Motor 1.

NOTE: Make sure the correct voltage tap is selected.

3. Connect the black wire from condenser motor circuit #2 to
one side of the connector on the Motor 2 terminal of the
controller. Using the male/female black adapter wire from
the kit, connect the black wire coming from the control box to
the Line 2 terminal on the controller.

4. Connect the male/female purple adapter wire from the kit to
the purple wire coming from the control box and to one side
of the Line 1/Motor 1 terminal on the controller.

5. Find the three fan motor leads (purple, black & brown) going
to condenser motor circuit #1. (These leads exit through the
partition panel on the opposite side of the controller.) Cut
the black and purple wires so that those leads will connect
to the controller. Attach the provided terminals to each of the
leads and connect the purple lead to the Line 1/Motor 1
terminal. Attach the black wire to the other side of the “Y”
push-on terminal adapters on the Motor 2 terminal on the
controller.

6. Remove or tape up the ends of the cut purple and black
wires.

7. Locate the red wire connecting FC1 (fan capacitor #1) to T2
of the compressor contactor #1. Disconnect the wire from
T2 and connect it to the terminal on FC2 (fan capacitor #2)
that has three black wires. Remove the black wire from FC1
(fan capacitor #1) and connect to T2 of the compressor
contactor 1.

1. Remove the cover on the capacitor assembly that is located
next to the controller. Disconnect the red and black leads
that are coming form the control box assembly. They are
connected to the furthest right capacitor and the terminal
block respectively.

2. From the kit, install one of the Y push on terminal adapters
onto the controller terminal marked Line 1 / Motor 1.

3. Connect the disconnected black wire to Line 2 terminal on
the controller. Connect the disconnected red wire onto one
of the Y push on terminals now located on the Line 1 / Mo-
tor 1 terminal of the controller.

4. From the kit, connect the red wire between the remaining Y
terminal on Line 1 / Motor 1 and the location on the furthest
right capacitor where the red wire had previously been re­moved.

5. From the kit, connect the black wire between the Motor 2
terminal on the controller and the terminal block where the
black wire had previously been removed.

6. Connect the blue wire and the yellow wire to the controller on
the 24 VAC connection as shown on the diagram.

7. Route wires along tubing, under evaporator, and into the
bottom opening of control box. Connect the yellow wire to
Y1 on the low voltage terminal strip and the blue wire to C.

8. Attach supplied wiring diagram adjacent to existing wiring
diagram. Follow the system calibration instruction provided
in the control instruction manual for sleeve bearing motors.
Verify wiring is correct.

9. Use provided wire ties to secure wire leads away from all
moving parts and warm refrigeration tubing.

10. Reinstall access panel.

11. Restore power and verify system operation.

8. Connect YL and BL wire to 24 vac connection on the con­troller and then to YI and C respectively, on the terminal block
in the control box.

9. Attach supplied wiring diagram adjacent to existing wiring
diagram. Follow the system calibration instruction provided
in the control instruction manual for sleeve bearing motors.
Verify wiring is correct.

10. Use provided wire ties to secure wire leads away from all
moving parts and warm refrigeration tubing.

11. Reinstall access panel.

12. Restore power and verify system operation.

4

WIRING DIAGRAM

WARNING

LAKT01

CONNECT PARALLEL TO
REVER SING VALVE 24 VAC
( IF USED ) SEE NOTE 2

O.D. MOTOR

( IF USED )
SEE NOTE 3

MODELS: GSX**090*, GSX**120*, DX**090*,

DX**120* & DC*036-072

YL

VAC

PUMP

S1

S2

S3

BR

N.C. HEAT PUMP

24

HEAT

PROBE

PROBE

START

HARD

PROBE

BK

SPEED

CONTROLS

CUT OUT

RD

ICM

FULL

SPEED

VAR IABL E

SPPED

PU

L
I

N

480-600

VAC

E
1
/

M

120-277

VAC

O

T
O
R

1

10 AMP

MAX

MOTOR 2LINE 2

BK

PU

FAN

RUN
CAPACITOR

T2 L2

T1

RD

COMP

BK

COMP

HERM

C

CONNECT TO TERMINAL BLOCK
Y (CALL FOR COOL)
BL (COMMON)

C

L1

LEGEND

RETURN BEND END
OF CONDENSER COIL

RD RED
BK BLACK
PU PURPLE
BR BROWN

CONTACTOR

B BLUEL

NOTES:

1. USE COPPER CONDUCTORS ONLY.

SENSOR

2. ALTERNATE WIRING FOR HEAT PUMP APPLICATION, MAKE A
PARALLEL CONNECTION FROM THE REVERSING VALVE 24 VAC

POWER SUPPLY TO THE HEAT PUMP TERMINALS ON THE CONTROL.
THE SELECT JUMPER MUST BE IN THE NORMALLY CLOSED
POSITION FOR NON-ENERGIZED REVERSING VALVE DURING HEATING.

3. ALTERNATE WIRING FOR SINGLE PHASE APPLICATION; THREE PHASE
MODELS DOES NOT REQUIRE A DUAL RUN CAPACITOR.

4. WIRING DIAGRAM SHOWS CONTROLLER CONNECTION FOR 120 TO
277 VOLTS SUPPLY; FOR 480-600 VOLT APPLICATION,
CONNECT POWER SUPPLY BETWEEN LINE 2 AND THE 480-600
VAC TERMINALS.

0140M00 108 REV B

Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.

5

WIRING DIAGRAM

WARNING

DEFRO ST BOARD

LVDR

W2

O O R R

C Y

OR
BK

RD COMP

BK COMP

BK

BK

RD

T2

T3

T1

L1

L2

L3

CONTACTOR

DF2

H
V
D
R

DF1

DFT

REVERSING VALVE

BK

MODELS: GSZ**090* & GSZ**120*

DZ**090* & DZ**120*

BK

BK

BK

BK

ICM

PU

PU

HERM

FAN

C

CAPACITOR

RD

PU

2

LOAD

X
X

BR

PU

OD FAN MOTOR

CUT OUT TEMP
HARD START

LAKT01

BK

24V

HP

YL

BL

BK

OR

CONNECT PARALLEL TO
24V REVERSING VALVE

FIGURE 3

SENSOR

NOTE

1. THE HEAT PUMP TERMINALS ACCEPT THE 24VAC SIGNAL FROM
THE RV HOLDING COIL . MAKE PARALLEL CONNECTION FROM RV
TO HP TERMINALS.

2. THE HEAT PUMP SELECT JUMPER WIRE MUST BE IN THE ( N.C.)
POSITION.

3. ENSURE THE BODY OF THE SENSOR PROBE IS COMPLETELY
ATTACHED TO THE BODY OF LIQUID TUBE BEFORE SECURING

WITH THE TAPE.

4. USE COPPER CONDUCTORS ONLY.

5. WIRING DIAGRAM SHOWS CONTROLLER CONNECTION FOR 120 TO 277 VOLTS SUPPLY.

FOR 480-600 VOLT APPLICATION, CONNECT POWER SUPP LY BETWEEN

LINE 2 AND THE 480-600VAC TERMINALS.

LIQUID LINE
BEFORE
FILTER DRIER

CONNECT WITH

BL

YL (CALL FOR COOL )

YL

BL ( COMMON)
T-STAT L EADS

RETURN BEND END
OF CONDENSER COIL

( OR )

FILTER DRIER

LEGEND

RD RED
BK BLACK
PU PURPLE
BR BROWN
YL YELLOW
BL BLUE
OR ORANGE

0140R00167

Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.

6

WIRING DIAGRAM

WARNING

BK

BK

BK

YL

YL

YL

BK

BK

BK

BL

BL

BL

MODELS: DC*090 - DC*150

MODELS: DC*090 - DC*150

MODELS: DC*090 - DC*150

VAC

VAC

VAC

24

24

24

PUMP

PUMP

PUMP

HEAT

HEAT

HEAT

PROBE

PROBE

PROBE

S1

S1

S1

PROBE

PROBE

PROBE

S2

S2

S2

PROBE

PROBE

PROBE

S3

S3

S3

O.D. MOTOR

O.D. MOTOR

O.D. MOTOR

N.C. HEAT PUMP

N.C. HEAT PUMP

N.C. HEAT PUMP

START

START

START

HARD

HARD

HARD

BK

BK

BK

BR

BR

BR

FAN

FAN

FAN

RUN

RUN

RUN
CAPACITOR

CAPACITOR

CAPACITOR

CUT OUT

SPEED

CUT OUT

SPEED

CUT OUT

SPEED

C

C

C

ICM

ICM

ICM

CONTROLS

CONTROLS

CONTROLS

USE ONE TERMINAL ONLY

480-600

VAC

480-600

VAC

480-600

VAC

LINE 1 / MOTOR 1

VAC

VAC

VAC

120-277

120-277

120-277

LINE 2

LINE 2

LINE 2

FULL

SPEED

FULL

SPEED

FULL

SPEED

10 AMP

MAX

10 AMP

MAX

10 AMP

MAX

VARIABLE

SPPED

VARIABLE

SPPED

VARIABLE

SPPED

MOTOR 2

MOTOR 2

MOTOR 2

PU

PU

PU

SEE NOTE 2

PU

PU

PU

PU

PU

PU

RD

RD

RD

BK

BK

BK

PU

PU

PU

BK

BK

BK

BK

BK

BK

O.D. MOTOR

O.D. MOTOR

O.D. MOTOR

BR

BR

BR

RUN

RUN

RUN
CAPACITOR

CAPACITOR

CAPACITOR

C

C

FAN

FAN

FAN

C

RD

RD

RD

CONTACTOR

CONTACTOR

CONTACTOR

LAKT03

BK

BK

BK

O (HEAT PUMP ONLY)

O (HEAT PUMP ONLY)

C (HEAT PUMP ONLY)

C (HEAT PUMP ONLY)

T1 T2

T1 T2

T1 T2

L1 L2

L1 L2

L1 L2

CONNECT TO TERMINAL BLOCK

Y1 (CALL FOR COOL)

CONNECT TO TERMINAL BLOCK

Y1 (CALL FOR COOL)

C (COMMON)

C (COMMON)

SENSOR

SENSOR

SENSOR

CIRCUIT #1

CIRCUIT #1

CIRCUIT #1

RD

RD

RD

T1

T1

T1

L1

L1

L1

CMC

CMC

CMC

T2

T2

T2

L2

L2

L2

HEAT
PUMP ONLY
(SEE NOTE "2")

INSERT PROBE 2/3

INSERT PROBE 2/3

INSERT PROBE 2/3
UP IN FIN PACK ON

UP IN FIN PACK ON

SENSOR

SENSOR

SENSOR

CIRCUIT #2

CIRCUIT #2

CIRCUIT #2

UP IN FIN PACK ON
HEADER END OF

HEADER END OF

HEADER END OF
COIL

COIL

COIL

NOTES:

1. USE COPPER CONDUCTORS ONLY.

2. ALTERNATE WIRING FOR HEAT PUMP APPLICATION, CONNECT
TO THE HEAT PUMP TERMINALS ON THE CONTROL.
THE SELECT JUMPER MUST BE IN THE NORMALLY CLOSED
POSITION FOR NON-ENERGIZED REVERSING VALVE DURING HEATING.
PURPLE WIRE IS CONNECTED TO T1 OF CMC, AND NOT TO C TERMINAL
OF CAPACITOR.

3. WIRING DIAGRAM SHOW S CONTROLLER CONNECTION FOR 120 TO
277 VOLTS SUPPLY; FOR 480-600 VOLT APPLICATION,
CONNECT POWER SUPPLY BETWEEN LINE 2 AND THE 480-600
VAC TERMINALS.

T3

T3

T3

L3

L3

C

C

C

LEGEND

LEGEND

LEGEND

RD RED

RD RED

RD RED
BK BLACK

BK BLACK

BK BLACK
PU PURPLE

PU PURPLE

PU PURPLE
BR BROWN

BR BROWN

BR BROWN
YL YELLOW

YL YELLOW

YL YELLOW
BL BLUE

BL BLUE

BL BLUE

L3

0140L03520-A

0140L03520-A

0140L03520-A

Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.

7

WIRING DIAGRAM

WARNING

CONNECT PARALLEL TO
REVERSING VALVE 24 VAC
( IF USED ) SEE NOT E 2

LAKT03

L2L1

L2L1

L3

N.C. HEAT PUMP

VAC

24

PUMP

HEAT

PROBE

S1

PROBE

S2

START

HARD

PROBE

S3

ICM

CONTROLS

CUT OU T

SPEED

SPEED

SPPED

L
I

480-600

VAC

N
E

1
/

120-277

VAC

M
O
T

O
R

1

FULL

10 AMP

MAX

VARIA BLE

MOTOR 2LINE 2

RD

CC2

RD

BK

CC1

RD

L3

T2T1

T3

T2T1

T3

RD

L2L1

L3

RD

T2T1

T3

SENSOR

SENSOR

CIRCUIT #2

CIRCUIT #1

CONNECT TO TERMINAL BLOCK
Y (CALL FOR COOL)
BL (COMMON)

INSERT PR OBE 2/3
UP IN FIN PACK ON
HEADER END OF
COIL

BK

PU

BR

PU PU

BR BR

PU

PU

PU

BR

BR

BR

PU

PU

BR

BR

FC1

FC2

FC3

TB2

CM3

CM2

CM1

C

RD

F

C

RD

F

C

F

BK

BK

BK

BK

BK

BK

BK

LEGEND

RD RED
BK BLACK
PU PURPLE
BR BROWN
YL YELLOW
BL BLUE

NOTES:

1. USE COPPER CONDUCTORS ONLY.

2. ALTERNATE WIRING FOR HEAT PUMP APPLICATION, MAKE A
PARALLEL CONNECTION FROM THE REVERSING VALVE 24 VAC
POWER SUPPLY TO THE HEAT PUMP TERM INALS ON THE CONTROL.
THE SELECT JUMPER MUST BE IN THE NORMALLY CLOSED
POSITION FOR NON-ENERGIZED REVERSING VALVE DURING HEATING.

3. WIRING DIAGRAM SHOWS CONTROLLER CONNECTION FOR 120 TO
277 VOLTS SUPPLY; FOR 480-600 VOLT APPLICATION,
CONNECT POWER SUPPLY BETWEEN LINE 2 AND THE 480-600
VAC TERMINALS.

0140L 01008 REV B

Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.

8