Movincool Office Pro W20 Operation Manual

OPERATION MANUAL

OFFICE PRO W20

Unit Serial Number Range: 0211XXXXW20 to Present

(From February 2011 to Present)

READ THIS MANUAL CAREFULLY FOR INSTRUCTIONS ON CORRECT

INSTALLATION AND USAGE, AND READ ALL SAFEGUARDS

SECCIÓN EN ESPAÑOL

SECTION EN FRANÇAIS

AVAILABLE AT WWW.MOVINCOOL.COM

SERIAL NUMBER LOCATION AND IDENTIFICATION

Nameplate Label Position

Nameplate Label

COOLING AMPS. WITH PUMP

COMPR. OUTPUT

REFRIGERANT/TOTAL CHARGE

DESIGN PRESSURE LO/HI

PART NO./WEIGHT

SERIAL NO.

Month

Model

Sequential
Number

Year

© 2015 DENSO PRODUCTS AND SERVICES AMERICAS, INC.
All rights reserved. This book may not be reproduced or copied, in
whole or in part, without the written permission of the publisher.
DENSO PRODUCTS AND SERVICES AMERICAS, INC. reserves the
right to make changes without prior notice. MovinCool®, Office Pro®,
and SpotCool® are registered trademarks of DENSO Corporation.

OPERATION MANUAL

OFFICE PRO W20

Table of Contents

SERIAL NUMBER LOCATION AND IDENTIFICATION ...................................2

FOREWORD ......................................................................................................5

Definition of Terms................................................................................ 5

GENERAL WARNINGS & CAUTIONS.............................................................. 6

INVENTORY....................................................................................................... 7

INSTALLATION ................................................................................................. 8

Choosing an Installation Site ............................................................... 8

Moving the Unit ..................................................................................... 9

Water Pipe or Hose Connection.........................................................10

Plugging in the Unit............................................................................. 13

Warning Signal Connection

(Output Signal Terminal L+ and L-) ................................................... 14

Fire Alarm Control Panel Connection

(Input Signal Terminal E+ and E-) ......................................................15

LCDI Power Cord Instruction ............................................................. 16

FEATURES ...................................................................................................... 17

OPERATION .................................................................................................... 18

Control Panel ....................................................................................... 18

Operating Modes ................................................................................. 20

Set Clock .............................................................................................. 21

Operating in COOL Mode.................................................................... 21

Operating in FAN ONLY Mode............................................................ 22

Changing from FAN ONLY Mode to COOL Mode............................. 22

Keypad Lock ........................................................................................ 22

How to Set a Program ......................................................................... 23

How to View and Delete Program ......................................................24

How to Run and Stop Program ..........................................................24

Self-Diagnostic Codes ........................................................................25

Empty the Drain Tank ......................................................................... 26

Condensate Pump Kit (Optional) ....................................................... 27

INSPECTION & MAINTENANCE..................................................................... 28

Empty the Drain Tank ......................................................................... 28

Clean the Air Filter .............................................................................. 28

Filter Removal Method........................................................................ 28

Filter Cleaning Method........................................................................28

Water Regulating Valve ...................................................................... 29

In-Season/Off-Season Inspection & Maintenance............................33

TROUBLESHOOTING ..................................................................................... 34

TECHNICAL SPECIFICATIONS...................................................................... 35

5

FOREWORD

Congratulations on purchasing the MovinCool portable air conditioner. This
manual explains how to install and operate the MovinCool Office Pro W20 portable
air conditioning unit. Please read this operation manual thoroughly to familiarize
yourself with the features of the unit and to ensure years of reliable operation.

You may also find it useful to keep this operation manual on hand for reference.
Components and/or procedures are subject to change without prior notice.

Definition of Terms

WARNING: Describes precautions that should be observed in order
to prevent injury to the user during installation or unit operation.

CAUTION: Describes precautions that should be observed in order
to prevent damage to the unit or its components, which may occur
during installation or unit operation if sufficient care is not taken.

Note: Provides additional information that facilitates installation or unit operation.

6

GENERAL WARNINGS & CAUTIONS

1. All electrical work should only be performed by qualified electrical personnel.
Repair to electrical components by non-certified technicians may result in
personal injury and/or damage to the unit. All electrical components replaced
must be genuine MovinCool parts, purchased from an authorized reseller.

2. The power supply for this unit should be a dedicated single outlet circuit with
UL recognized short-circuit and ground-fault protective breaker.

3. Because of potential safety hazards under a certain condition, we strongly
recommend against the use of an extension cord.
However, if you still elect to use an extension cord, it is absolutely necessary
that it is a UL listed, 3-wire grounding type appliance extension cord, having a
3-blade and a 3-slot receptacle that plugs into the appliance.
The marked rating of the extension cord should be 115 V, 15 A or equivalent.

4. This unit is equipped with a 10 feet (3 m) UL recognized LCDI power cord. For
replacement, fixed location (hard wired) or power cord lengthening (extension
cord) cords are required, contact your reseller or a qualified electrician for
approved replacement methods.

5. Never fold or place heavy objects on the power cord.
This could result in damage to the power cord causing electrical shock or fire.

6. Turn off the unit and disconnect the power when the power cord is damaged.

7. Do not place water or any other liquid on the unit. This can cause damage to
the unit and increase the risk of electrical shock.

8. Do not sit or stand on the unit.

9. Do not operate the unit without water connection or without supplied water.

10. If the entering water temperature is below 68 °F (20 °C) or above 86 °F (30
°C), adjustment of the unit's water regulating valve setting is required
(see page 29). Failure to adjust this valve may damage the unit and void the
warranty. Contact a qualified technician for details.

7

INVENTORY

After unpacking your MovinCool unit, please check to make sure you have the
following items:

1. Office Pro W20 MovinCool Unit (1)

2. Operation Manual/Product Registration (1)

3. Garden Hose Adapter (2)

Note: If any of these items were not included in the box or appear damaged,
please contact your MovinCool reseller for replacement.

ILL00041-00

MOVINC

OOL

O

OFFICE PRO W20 UNIT

ILL00086-00

GARDEN HOSE

ADAPTER

ILL00042-00

OPERATION MANUAL /
PRODUCT REGISTRATION

8

INSTALLATION

Choosing an Installation Site

CAUTION: Following are some precautions to consider before
choosing your installation site. Please review carefully as improper
installation may result in personal injury or damage to the unit.

1. Do not use the unit in areas where leakage of flammable gas may occur.

2. Do not use the unit in areas where it is exposed to rain or water.

3. Do not use the unit in an environment which contains excessive amounts of
corrosive gas or vapor.

4. Do not use in areas where the temperature is outside the allowable operating
range.

5. Do not install the unit in sloping areas. The unit may move or topple over even
if the casters are set to the LOCKED position.

6. Install the unit in areas that can with-stand the weight of the unit. The Office
Pro W20 unit weighs approximately 220 lb (100 kg), when the drain tank is full
of water.

7. Allow 18 inch of unobstructed airflow for both the air inlets and outlets.

8. Do not use the unit at condition above 95 °F (35 °C) 60 %RH.

9. Do not use the unit when the supplied water temperature is above 90 °F (32
°C).

10. Make sure that the supplied water source has the minimum flow rate of 5 gal/
min (18 L/min) at 8 psi (55 kPa) or more when entering the unit.

11. Supply water pressure limitation of the unit is maximum 150 psi (1,034 kPa).
When operating the unit with the water hoses, follow the lower water pressure
limitation of the unit or the water hoses. If supply water pressure is exceeding
the pressure limitation, a water pressure regulating valve must be installed in
the water supply line before the unit or hose connections.

12. Do not use the unit with water which contains a high corrosive factor.

9

INSTALLATION (cont.)

Moving the Unit

Unlock the casters and push the MovinCool unit using the side handles to a flat,
level surface and set the casters back to the LOCKED position.

ILL00043-00

MOVIN

C

OOL

O

Left Side Handle

Right Side Handle

UNLOCKED

LOCKED

ILL00044-00

10

INSTALLATION (cont.)

Water Pipe or Hose Connection

WARNING: Before plugging in the unit, connect the water line to the
unit. To avoid electrical shock, make sure that there is no water
splashed onto the electrical box or the power cord.

Office Pro W20 unit has two female 1/2 inch NPT (National Pipe Thread) water
connections.

Optional water hose kit with water pressure up to 150 psi (1,034 kPa) is available.

Connecting Water Pipes

Two water pipes with the 1/2 inch NPT male end connections are required for field
installation.

1. Remove the caps from the female NPT connections on the right side panel of
the unit.

Note: Small residues of water may drip when the caps are first removed.

2. Apply teflon tape to the male threads on the two pipes.

3. Connect the two water pipes with the male end connections to the female
connections on the unit. Hold the wrench A tightly so that the pipe on the unit
is not deformed, then tighten the connector with the wrench B.

Note: The supplied garden hose adapters are not required.

CAUTION: Use two proper size wrenches.

ITEM

CONNECTION TYPE

CONNECTOR

HEAD SIZE

FEMALE MALE

Office Pro W20 unit 1/2 in NPT - 1 in
Supplied Garden Hose Adapter GHT 1/2 in NPT 1-3/16 in, 7/8 in
Optional Water Hose GHT GHT 1-3/16 in, 1-3/32 in

WRENCH A

WRENCH B

ILL00087-00

11

INSTALLATION (cont.)

Water Pipe or Hose Connection (cont.)

Connecting Water Pipes (cont.)

4. Make sure that water pipes are connected properly to the unit, and there is no
water leakage.

CAUTION: Supply water pressure limitation of the unit is maximum
150 psi (1,034 kPa). Do not use the unit with water which contains a
high corrosive factor.

Note:

1. Service shut-off valves and drain plugs are recommended to be installed at the

water supply and return lines for routine field service, emergency service, or
removal of the unit in off-season. The drain plugs are used to drain the
remaining water in the system. The shut-off valves and drain plugs should have
a minimum pressure rating of 150 psi (1,034 kPa). The drain plugs should be
connected between the shut-off valves and the unit.

2. When supply water quality is poor, filters that can be easily serviced should be

placed in the water supply line.

Connecting Optional Water Hoses

1. Remove the caps from the female NPT connections on the right side panel of
the unit.

Note: Small residues of water may drip when the caps are first removed.

2. Apply teflon tape to the male threads on the two supplied garden hose
adapters.

3. Connect the supplied garden hose adapters to the female NPT connections
on the unit.

ILL00167-00

12

INSTALLATION (cont.)

Water Pipe or Hose Connection (cont.)

Connecting Optional Water Hoses (cont.)

4. Connect the optional water hoses to the garden hose adapters. Hold the hose­end connector with the wrench B tightly to prevent hose rotation. Then tighten
the swivel nut with the wrench A.

CAUTION: Use two proper size wrenches.

5. Connect the other end of the garden hoses to the water source.

6. Make sure that the garden hoses are connected properly, and there is no
water leakage.

Supply water pressure limitation of the unit is maximum 150 psi
(1,034 kPa). Follow the lower water pressure limitation of the unit or
the water hoses. Do not use the unit with water which contains a
high corrosive factor.

Note: When supply water quality is poor, filters that can be easily serviced should
be placed in the water supply line.

WRENCH A

WRENCH B

ILL00208-00

13

INSTALLATION (cont.)

Plugging in the Unit

1. Check the prongs and surface of the power cord plug for dust/dirt. If dust and/
or dirt are present, wipe off with a clean, dry cloth.

2. Check the power cord, plug and prongs for damage or excess play. If any
damage or excess play is found, contact your MovinCool reseller or a qualified
technician for repair.

WARNING:

1. If the power cord or plug is damaged, replacement should only be
performed by qualified electrical personnel.

2. Do not connect/disconnect the power cord or attempt to operate
buttons with wet hands. This could result in electrical shock.

3. Because of potential safety hazards under a certain condition, we
strongly recommend against the use of an extension cord.
However, if you still elect to use an extension cord, it is absolutely
necessary that it is a UL listed, 3-wire grounding type appliance
extension cord, having a 3-blade and a 3-slot receptacle that plugs
into the appliance. The marked rating of the extension cord should
be 115 V, 15 A or equivalent.

CAUTION: The power supply should be a dedicated single outlet
circuit with UL recognized short-circuit and ground-fault protective
breaker. Do not share the AC outlet with any other instrument or
equipment. The minimum power supply rating and the maximum
fuse size is shown below.

Note:

1. Make sure the AC outlet is free of dirt, dust, oil, water, or any other foreign
matter.

2. The Office Pro W20 is equipped with UL recognized LCDI cord and NEMA plug
configuration (5-15). The appropriate outlet must be used for this plug type.

MINIMUM POWER SUPPLY RATING RECOMMENDED FUSE SIZE

115 V, single phase, 60 Hz, 15 A 15 A maximum

14

INSTALLATION (cont.)

Warning Signal Connection
(Output Signal Terminal L+ and L-)

The controller is equipped with a warning signal output relay type (Form C, normal
open dry contact) which can be used to monitor the failure conditions.

Relay contactor is closed when any of the following conditions has occurred:

a. Tank full
b. Temperature sensor fails
c. High pressure switch error

The relay output contactor is rated 2 A at 30 VDC or 2 A at 30 VAC (resistive load)
and it is compatible with various warning devices such as alarm speaker, light
indicators, etc.

Connecting Warning Signal From Controller

1. Remove service panel from the rear of the unit.

2. Squeeze the inner latches and push out the black cap from inside the panel.

3. Insert the warning signal wire through the hole in the rear panel.

Note: Use recommended warning signal wire size from 16 AWG to 26 AWG for a
solid wire, or 16 AWG to 22 AWG for a stranded wire with ring terminal for #6 stud
size.

4. Connect the warning device to terminal L+ and L- according to its polarities.

ILL00046-00

Latch

Cap

E+
E­L+
L-

UNIT TERMINAL

RELAY OUTPUT CONTACTOR

WARNING DEVICE

INPUT SIGNAL

ILL00047-00

15

INSTALLATION (cont.)

Fire Alarm Control Panel Connection
(Input Signal Terminal E+ and E-)

The controller is equipped with a normal open input signal connection, which can
be connected directly from the fire alarm control panel. This input signal terminal
should only be connected to a close or open dry contact signal. When receiving
the signal from the fire alarm control panel, the unit turns off and does not turn back
on until it has been RESET.

Connecting Fire Alarm Control Panel to Controller

1. Remove service panel from the rear of the unit.

2. Squeeze the inner latches and push out the black cap from inside the panel.

3. Insert the fire alarm signal wire through the hole in the rear panel.

Note: Use recommended warning signal wire size from 16 AWG to 26 AWG for a
solid wire, or 16 AWG to 22 AWG for a stranded wire with ring terminal for #6 stud
size.

4. Connect the fire alarm device to terminal E+ and E- according to its polarities.

ILL00046-00

Latch

Cap

ILL00048-00

E+
E­L+
L-

UNIT TERMINAL FIRE ALARM DEVICE

OUTPUT SIGNAL

OPEN DRY CONTACT

16

INSTALLATION (cont.)

LCDI Power Cord Instruction

WARNING: The LCDI device is a non-serviceable device.
Attempting to open the device may expose the user to the hazards
of electric shock, and could void warranties of this product.
Manufacturer's reliability is limited to the replacement of the device.

CAUTION:

1. Read the attention printed on the device for proper use and
handling of this device.

2. This device is used for monitoring leakage current.

3. Do not immerse in water.

4. This device must only be plugged into an appropriate wall outlet.
Do not use on extension cords or adapter. Do not remove ground prong.

5. In the event that this device trips, the cause of malfunction should
be corrected first before further use.

6. Using the device beyond recommended voltage poses risk to users.

7. Conductors inside this cord are surrounded by shields, which
monitor leakage current. These shields are not grounded, and they
are periodically examined the cord for any damage. Do not use this
product in the event the shields become exposed.

8. Do not repeatedly push the TEST and/or RESET buttons.

Test Procedure

Test device once when AC is installed to assure proper operation.

1. Plug into grounded power receptacle.

2. If light is not on, press RESET button once. Light should turn on.

3. Press TEST button once, light must turn off.

4. Press RESET button once again for use. Light should turn on.

5. If test fails, do not use. Contact a qualified technician for details.

<FRONT VIEW>

TEST Button

RESET Button

ILL00049-00

17

FEATURES

1. A digital electronic control panel, which allows the user to easily control the
unit’s operation.

2. Dual fan speeds (either HIGH or LOW) in both COOL and FAN ONLY modes.

3. Digital LCD display with blue backlight that indicates:
a. Clock with day and time

b. Room temperature and set point temperature

(either Fahrenheit or Celsius)
c. Fan speed status
d. Cool mode status
e. Program start time and stop time
f. Program run and stop
g. Status codes
h. Keypad lock

4. The set point temperature can be adjusted between 65 °F (18 °C) and 90 °F
(32 °C) by the SET TEMP buttons ( / ).

5. Fire alarm control panel connection with automatic shut off.

6. Automatic shut off, warning signal output and alarm for temperature sensor
failure, and conditions of self-diagnostic codes.

7. Condensate drain “TANK FULL” indicator (LED) and display (LCD).

8. Automatic restart feature when the power is lost and regained. The unit returns
to the operating mode it was in prior to the loss of power. Any preset program
is retained in the memory in the event power loss occurs.

9. Programmable operation control. This function allows the user to program
automatic operation which includes time and day of unit start and/or stop, set
temperature, and fan speed.

18

OPERATION

Control Panel

Before operating the unit, it is important to familiarize yourself with the basic
controls located on the control panel.

1. COOL Mode Button Activates/deactivates the COOL mode and
turns the unit off.

2. FAN Mode Button Activates/deactivates the high, low, and off fan
speed.

3. SET TEMP Buttons ( / )

Temperature scale illuminates to indicate the
current LED temperatures being displayed are
either in °C or °F; also displays the clock when
programming.

4. ENTER Button Press to select set value.

5. SET CLOCK Button Press to set clock (day and time).

6. SET PROG Button Press to set or view program.

7. RUN/STOP Button Activates/deactivates program(s).

8. TANK FULL LED Flashes when the drain tank is full.

ILL00052-00

1

2

8

7

6

5

4

3

19

OPERATION (cont.)

Control Panel (cont.)

LCD Indicators

Note: ROOM TEMP display range is from 16 °F to 109 °F (-9 °C to 42 °C). When
the display value is greater than 99 °F, it displays values of +0F (for 100 °F), +1F
(for 101 °F) and +9F (for 109 °F). (This only applies to Farenheit values.)

9. MO...SU Illuminates to indicate selected day of the
week.

10. °C or °F Temperature displayed in either Fahrenheit or
Celsius (see Note).

11. AM/PM Illuminates to indicate AM or PM time of day.

12. PROGRAM Blinking during program editing mode.

13. PROGRAM ON Illuminates to indicate program is running.

14. START Illuminates to indicate program start time.

15. STOP Illuminates to indicate program stop time.

16. CLOCK Illuminates to indicate clock status.

17. FAN HI/LO Illuminates to indicate selected fan speed.

18. COOL ON/OFF Illuminates to indicate cool on or off.

19. LOCKED Illuminates to indicate keypad locked.

11

9

14

15

16

17

18

13

19

10

12

ILL00053-00

20

OPERATION (cont.)

Operating Modes

The Office Pro W20 can be operated in two modes, FAN ONLY and COOL. When
in FAN ONLY mode, the unit circulates the surrounding air. When in COOL mode,
the compressor is operated and cool air is circulated.

1. COOL Mode

Once the compressor has been disengaged for more than 120 seconds, the
unit operates in FAN ONLY mode for approximately 5 seconds before the
compressor re-engages.

2. Temperature Control

The room temperature thermistor monitors the inlet temperature versus set
point temperature and switches the unit automatically between COOL and
FAN ONLY modes.

3. Fan Mode Control DIP Switch

The fan mode control DIP switch determines whether the fan continues to
operate or stop when the compressor cycles off. (Set point temperature below
the inlet air or room temperature.) The unit has been preset at the factory for
continuous fan operation.

Note: If you want to change the fan mode operation (from OPERATE to
STOP), contact your MovinCool reseller.

4. Temperature Scale Display DIP Switch

The temperature scale display DIP switch changes the temperature(s) that are
displayed to either °C or °F. The unit has been preset at the factory to display
the temperature(s) in °F.

Note: If you want to change the temperature scale display (°F to °C), contact
your MovinCool reseller.

21

OPERATION (cont.)

Set Clock

Prior to operating the Office Pro W20 users should set the clock of the controller
to the correct time as shown in the following steps:

1. Press and hold the SET
CLOCK button for 3
seconds or until beep.
(LCD indicates blinking
“CLOCK” and blinking
“day of the week”.)

2. Press SET TEMP buttons
to scroll day of the week.

3. Press ENTER button.

4. Press SET TEMP buttons
to select correct hour.

5. Press ENTER button.

6. Press SET TEMP buttons
to select correct minute.
Press SET CLOCK button
to exit clock mode.

Note: User should check clock periodically to confirm clock accuracy.

Operating in COOL Mode

1. The unit can be operated in COOL mode by pressing the COOL ON/OFF
button (LCD indicates “COOL ON”).

Note: In COOL mode the unit can only be turned off by pressing the COOL
ON/OFF button.

2. Change the fan speed by pressing the FAN HI/LO button.

3. Change the temperature set point by pressing the SET TEMP buttons ( / ).

Note: When turning the unit on, the set point and fan speed are determined by
the last operating mode. (This function does not apply to PROGRAM mode.)

Step 1 & 6

Step 2 to 5

ILL00054-00

22

OPERATION (cont.)

Operating in FAN ONLY Mode

1. The unit can also be operated in FAN ONLY mode by pressing FAN HI/LO
button (LCD indicates “FAN HI/LO” and “COOL OFF”).

2. The unit can then be turned off by pressing the FAN HI/LO button until fan
turns off (FAN ONLY mode speed sequences are HI→LO→OFF).

Changing from FAN ONLY Mode to COOL Mode

The COOL mode can be activated while the unit is operating in FAN ONLY mode.
To do this, simply press the COOL ON/OFF button (LCD indicates “COOL ON”).

Note: The FAN ONLY mode does not operate after the COOL mode has been
activated. The unit can only be turned off by pressing the COOL ON/OFF button.

Keypad Lock

Keypad lock disables all buttons on the controller panel except keypad lock and
unlock operations.

1. To lock, press and hold ENTER and SET CLOCK buttons simultaneously for
5 seconds.

2. To unlock, press and hold ENTER and SET CLOCK buttons simultaneously
for 5 seconds again.

Note: When the unit detects operation failure, keypad is unlocked automatically
and self-diagnostic code illuminates.

23

OPERATION (cont.)

How to Set a Program

SET START TIME

1. Press and hold the SET
PROG button for 3
seconds or until beep.

2. Press SET TEMP buttons
to scroll day of the week.

3. Press ENTER button.

4. Press SET TEMP buttons
to select desired hour.

5. Press ENTER button.

6. Press SET TEMP buttons
to select desired minute.

7. Press ENTER button.

SET STOP TIME

8. Press SET TEMP buttons to scroll day of the week.

9. Press ENTER button.

10. Press SET TEMP buttons to select desired hour.

11. Press ENTER button.

12. Press SET TEMP buttons to select desired minute.

13. Press ENTER button.

SET FAN SPEED

14. Press SET TEMP buttons to select desired fan speed.

15. Press ENTER button.

SET SET-POINT TEMPERATURE

16. Press SET TEMP buttons to select desired temperature.

17. Press ENTER button.

EXIT PROGRAM EDITING MODE

18. Press SET PROG button to exit program editing mode.

EDIT MULTIPLE PROGRAMS

19. Repeat step 1. to 18. to set up multiple programs.

Note: Maximum 7 programming sequences

Step 1 & 18

Step 2 to 17

ILL00055-00

24

OPERATION (cont.)

How to View and Delete Program

1. Press and hold the SET PROG button for 3 seconds or until beep.

2. To view edited program - While pressing and holding the SET PROG button,
press SET TEMP buttons ( / ) to scroll program sequence.

3. To delete a program - Press ENTER and SET PROG buttons once
simultaneously.

4. To delete multiple program - Press and hold ENTER and SET PROG buttons
simultaneously.

How to Run and Stop Program

1. Press RUN/STOP button to activate preset program (LCD indicates
“PROGRAM ON”). During PROGRAM RUN mode, if you RESET (press FAN
HI/LO and COOL ON/OFF buttons simultaneously for 5 seconds), PROGRAM
RUN mode is terminated. To resume PROGRAM RUN mode, you must push
RUN/STOP button again.

2. Press RUN/STOP button to stop program.

Note:

1. The unit returns to the previous mode if a program is turned off while it is

running.

2. The LCD continues to indicate “PROGRAM ON” during program activating.

3. Program can be set during power on standby, during unit running, or during

program running.

4. During programming, the unit returns to the previous mode if no activity occurs

within approximately 3 minutes.

25

OPERATION (cont.)

Self-Diagnostic Codes

Self-diagnostic codes are displayed on the control board under the following
conditions.

Contact your MovinCool reseller or a qualified technician if problem persists.

LCD Display Codes Condition

When the drain tank switch shuts off the unit, LCD
displays “TANK FL” and “TANK FULL” LED flashes.
Once emptying the drain tank procedure is
completed and ON/OFF has been pushed, unit
returns to normal operation.

When the condensate pump stops pumping water
due to any kink and/or blockage in the drain line or
due to improper routing of the drain line, the
compressor shuts off, and the LCD displays “AS”.
Once the condition is fixed and unit has been
RESET, the unit returns to normal operation.
To RESET: Press FAN HI/LO and COOL ON/OFF
buttons simultaneously for 5 seconds.

When high pressure switch is activated for the first
2 times in 24 hours, display shows “HP” but goes
away as the high pressure switch resets. If the high
pressure switch is activated 3 times in 24 hours, unit
displays blinking “HP” and a buzzer turns on (see
page 34). Unit returns to normal operation after
problem is fixed and controller is RESET.
To RESET: Press FAN HI/LO and COOL ON/OFF
buttons simultaneously for 5 seconds.

When room thermistor becomes open or shorted,
display shows “OPEN RT” or “SHRT RT” and cool
mode operation is off. Display and cool mode
operation are returned to normal operation after
room thermistor is fixed.

When freeze thermistor becomes open or shorted,
display shows “OPEN FT” or “SHRT FT” and cool
mode operation is off. Display and cool mode
operation are returned to normal operation after
freeze thermistor is fixed.

When the unit detects a signal from the fire alarm
system, the display shows "ALRM" and a buzzer
turns on. Check the fire alarm system and confirm
that there is no signal input to the unit. The unit
returns to the normal operation after the problem is
fixed and the controller is RESET.
To RESET: Press FAN HI/LO and COOL ON/OFF
buttons simultaneously for 5 seconds.

26

OPERATION (cont.)

Empty the Drain Tank

During COOL mode, condensate water accumulates in the drain tank.
When the drain tank becomes full, the “TANK FULL” LED flashes and the LCD
displays “TANK FL” and the unit turns off automatically.

Note: If you want to empty the drain tank, while the unit is in operation, press the
COOL ON/OFF button to turn the unit off. If a program is running, you must first
stop the program by pressing the RUN/STOP button.

1. Open the drain tank door.

2. Pull the drain tank from the unit.

3. Remove the cap and empty the drain tank.

4. Replace the cap and return the drain tank to the unit.

5. Close the drain tank door.

6. Press the COOL ON/OFF or FAN ON/OFF button to restart the unit.

7. If the LCD indicates “PROGRAM ON”, press the COOL ON/OFF button to
continue running the program. If the LCD indicates “PROGRAM ON” is
illuminated continuously, no further steps are necessary. If no program exists
or the program was deactivated, press the COOL ON/OFF button to restart the
unit.

CAP

ILL00063-00

27

OPERATION (cont.)

Condensate Pump Kit (Optional)

A condensate pump kits are available to allow continuous operation and to
eliminate the need for a drain tank.

When the water collects to level (A) in the
pump reservoir, the condensate pump
begins to operate and discharge the
water.

Note: The compressor does not operate
while the condensate pump is discharging the water.

When the water level drops below level (B), the condensate pump stops, and the
compressor restarts.

Note: If for any reason the water level exceeds that of level (A) in the pump
reservoir, an over flow drain switch stops the compressor operation, and the LCD
displays “AS” (see page 25).

Note: If the fan mode control DIP switch (see page 20) is set to the STOP position,
the entire unit (including fan operation) turns off either due to the over flow drain
switch or while the condensate pump is discharging the water.

ILL00064-00

ILL00065-00

MO

VIN

C

O

O

L

O

O

CONDENSATE PUMP

CONDENSATE

PUMP RESERVOIR

DISCHARGE HOSE

28

INSPECTION & MAINTENANCE

Empty the Drain Tank

To empty the drain tank, refer to instructions on page 26.

Clean the Air Filter

Clean the air filter once a week. If the unit is used in a dusty environment, more
frequent cleaning may be required. A dirty air filter can reduce air output resulting
in a decrease in the cooling capacity.

Filter Removal Method

1. Turn the unit off by pressing the COOL ON/OFF button.
If a program is running, you must first press the PROGRAM RUN button.

2. Remove the air filter.

Note: To remove the filter from the unit, open the front panel filter door. On the
front panel door, carefully remove the filter retainer from its clips by pulling on
the retainer at those two points.

Filter Cleaning Method

1. Remove dust from the element with a vacuum
cleaner, or rinse in cold or lukewarm water. If
the element is extremely dirty, wash with a
neutral detergent.

2. After the element has been cleaned, rinse with
clean running water, allow to dry, then reinstall.

CLIP

CLIP

FILTER

RETAINER

ILL00066-00

ILL00067-00

FILTER

29

INSPECTION & MAINTENANCE (cont.)

Water Regulating Valve

This unit is equipped with a water regulating valve to operate within wide water
temperature range. This water regulating valve automatically controls the water
flow rate to stabilize the refrigeration system and it has an adjusting bolt to adjust
the valve opening temperature.

Default Valve Setting and Operation Range

Default setting of the valve opening temperature is 86 °F (30 °C) and marked on
the valve housing. If the entering water temperature is below 86 °F (30 °C), there
is no loss of water while the unit is not operating. Adjustment of this valve setting
is required only when the unit will be used under the following conditions.

Entering water temperature is below 68 °F (20 °C):
Valve setting must be adjusted to lower temperature to extend the life of the
compressor.

Entering water temperature is above 86 °F (30 °C):
Valve setting must be adjusted to higher temperature to prevent wasted water.

Note: This adjustment expands the minimum water temperature range. Carefully
control the operating range.

CAUTION: Failure to adjust the water regulating valve or operating
the unit with entering water temperature below 68 °F (20 °C) without
adjusting the valve setting may damage the unit and void the
warranty. Contact a qualified technician for details.

ILL00205-00

ADJUSTING BOLT

WATER REGULATING
VALVE

30

INSPECTION & MAINTENANCE (cont.)

Water Regulating Valve (cont.)

Adjustment of Water Regulating Valve Setting

1. Stop the unit and unplug the power cord. Then shut off the water supply.

2. Remove five (5) screws from the service panel on the rear side of the unit.

3. Remove thirteen (13) screws from the rear panel.

4. Check the valve setting guide table on the inside panel of the unit to confirm
the current valve setting. If the table is blank, it is the first time adjustment. If
the table shows the previous value setting, the current setting must be
changed back to the original default setting prior to making any adjustment.

5. Make sure the adjusting plate is aligned with the default marking line on the
housing. If it is not aligned, rotate the adjusting bolt with a wrench until it is
aligned. At this position the water regulating valve is returned to the original
default setting.

ILL00156-00

SCREWS (5)

ILL00168-00

SCREWS (7)

SCREWS (3)

SCREWS (3)

31

INSPECTION & MAINTENANCE (cont.)

Water Regulating Valve (cont.)

Adjustment of Water Regulating Valve Setting (cont.)

6. Rotate the adjusting bolt with a wrench to adjust the valve temperature setting
according to the “Valve Setting Guide Table” on page 32. The painted line on
adjusting bolt and housing is for rotational reference to complete one rotation
(360°).

Note: The default marking line on the housing is for adjustment reference. The
painted line on adjusting bolt and housing is for rotational reference. Each
completed rotation of the adjusting bolt is resulting in about 0.04 inch (1 mm)
displacement of the adjusting plate.

DIRECTION OF ROTATION TEMPERATURE SETTING

Clockwise Lower

Counterclockwise Higher

ILL00206-00

LOWERHIGHER

PAINTED LINE

ADJUSTING BOLT

ILL00207-00

DEFAULT MARKING
LINE

ADJUSTING PLATE

32

INSPECTION & MAINTENANCE (cont.)

Water Regulating Valve (cont.)

Adjustment of Water Regulating Valve Setting (cont.)

7. Write the value setting with a permanent marker on the adjustment record
table on the inside panel of the unit.

Note: Recording the value setting is very important for reference when making
future adjustments.

Valve Setting Guide Table

Adjustment Record (Example)

CAUTION: Do not forget to write down the value setting with a
permanent marker on the adjustment record table. This is the only
way to know the current valve setting. It is difficult to exactly adjust
the valve without the current valve setting. Failure to adjust the
valve may damage the unit and void the warranty. Contact a
qualified technician for details.

SETTING

DIRECTION OF

VALVE RO TATION

NUMBER OF

ROTATION

VALVE OPE NING

TEMPERATURE

MINIMUM WATER

TEMPERATURE

A Clockwise 4 72 °F (22 °C) 40 °F (4.4 °C)

B 3 75 °F (24 °C) 47 °F (8 °C)

C 2 79 °F (26 °C) 54 °F (12 °C)

D 1 82 °F (28 °C) 61 °F (16 °C)

E Default Setting Point - 86 °F (30 °C) 68 °F (20 °C)

F Counterclockwise 1 90 °F (32 °C) 72 °F (22 °C)

G 2 94 °F (34 °C) 75 °F (24 °C)

H 3 96 °F (36 °C) 79 °F (26 °C)

I 4 100 °F (38 °C) 83 °F (28 °C)

NO. SETTING DATE SETTING NO. SETTING DATE SETTING

0- E11

• Dec. 10, 2010 B •

• Apr. 10, 2011 D •

• Aug. 10, 2011 G •

10 21

33

INSPECTION & MAINTENANCE (cont.)

In-Season/Off-Season Inspection & Maintenance

In-Season

WARNING: To prevent an accident due to electrical shock, perform
inspection and maintenance only after unplugging the power cord.

1. Check the prongs and surface of the power cord plug for dust and/or dirt. If
dust and/or dirt are present, wipe off with a clean dry cloth.

2. Check the power cord, plug and prongs for damage or excess play. If any
damage or excess play is found, contact your MovinCool reseller or a qualified
technician for repair.

3. Check the air filter and drain tank.

4. Check and make sure that there is no damage or leakage at the water lines,
water connections, and the unit.

5. Clean the outside of the unit with a damp cloth or mild nonabrasive cleaner.

Off-Season

1. Operate the unit in FAN ONLY mode for 8 hours prior to storage.

Note: Operation is necessary to dry out the inside of the unit.

2. Disconnect the power cord from the AC outlet.

3. Shut the water supply and return valve, then disconnect the water line. Use a
pan to catch the remaining water. Put the caps on the NPT connectors when
the unit is stored during off-season.

4. Check the prongs and surface of the power cord plug for dust and/or dirt. If
dust and/or dirt are present, wipe off with a clean dry cloth.

5. Check the power cord, plug and prongs for damage or excess play. If any
damage or excess play is found, contact your MovinCool reseller or a qualified
technician for repair.

6. Clean the air filter.

7. Empty all water from the drain tank.

34

TROUBLESHOOTING

Check the following conditions before calling your MovinCool reseller or a qualified
technician.

If conditions persist after the above remedies have been performed, turn off the
unit, disconnect the power, and contact your MovinCool reseller or a qualified
technician.

CONDITION POSSIBLE CAUSE REMEDY

Unit does not operate.

1. Ground fault breaker trip or
LCDI power cord trip.

Reset breaker or reset power
cord.

2. Drain tank is full.
(“TANK FULL” LED flashes.)

Empty the drain tank.

3. High pressure switch
activated 10 times in 24
hours.

1. Check environmental
condition whether it is within
operation range or not
(see page 36).

2. Connect water inlet of the unit
and water supply line
correctly.

3. Check water line, and make
sure there is enough water
flow (see page 36).

4. Clean water system to
remove accumulated
sediments. Contact a
qualified technician for
details.

5. Reset controller.

To RESET: Press FAN HI/LO
and COOL ON/OFF buttons
simultaneously for 5
seconds, controller returns to
normal operation.

Insufficient cooling.

1. Dirty/Blocked air filter. Clean air filter.

2. Air inlet/outlet blocked. Clean air inlet/outlet.

3. Improper temperature
setting.

Adjust temperature setting.

4. Insufficient water flow.
Sediments are accumulated
in the water system.

Clean water system. Contact a
qualified technician for details.

Water keeps running
when the unit is not
operating.

Entering water temperature is
above 86 °F (30 °C).

Stop the unit and shut off
supplied water. Adjust the unit's
water regulating valve setting
(see page 29). Contact a
qualified technician for details.

35

TECHNICAL SPECIFICATIONS

ITEM SPECIFICATIONS

Electronic Features Operation Digital Programmable
Electrical Characteristics Voltage Requirement Single-Phase, 115 V, 60 Hz

Operating Voltage
Range

Max. 127 V
Min. 104 V

Recommended Fuse Size 15 A
Cooling Capacity and Power Consumption
Air: 80 °F (27 °C), 50 %RH

Water (EWT/LWT): 85 °F /95
°F (29 °C/35 °C)

Total Cooling Capacity 15,700 Btu/h (4,590 W)

Sensible Cooling Capacity 10,800 Btu/h (3,180 W)

Power Consumption 1.28 kW

Current Consumption 11.7 A

EER 12.3
Compressor Type Hermetic Rotary
Evaporator Type of Evaporator Plate Fin

Type of Fan Centrifugal Fan

Air Flow High

565 CFM (960 m

3

/h)

Low

540 CFM (918 m

3

/h)

Max. External Static

Pressure

0.31 IWG (77 Pa)

Condenser Type Water Cooled, Coaxial Coil
Refrigerant Type R-410A

Amount 1.76 lb (0.8 kg)
Water Connection Water Inlet and Outlet

(Unit side)

1/2 in (13 mm) NPT Female

Water Inlet and Outlet

Adapters

GHT Female to 1/2 in (13 mm)

NPT Male

Power Cord NEMA Plug Configuration 5-15

Gauge x Length 14 AWG (3-core) x 10 ft (3.0 m)
Dimension W x D x H 21.0 x 27.0 x 41.5 in

(538 x 685 x 1,055 mm)
Weight Net 178 lb (81 kg)
Drain Tank Capacity 5.0 gal (19 L)

36

TECHNICAL SPECIFICATIONS (cont.)

• Specifications are subject to change without notice.

Note:
*1: If the entering water temperature is below 68 °F (20 °C) or above 86 °F (30 °C),

adjustment of the unit's water regulating valve setting is required.

*2: Measured at 3 feet (1.0 m) from surface of the unit.

ITEM SPECIFICATIONS

Operating Condition Range Inlet Air

Temperature

Max. 95 °F (35 °C), 60 %RH
Min. 65 °F (18 °C), 50 %RH

Entering Water
Temperature

*1

Max. 90 °F (32 °C)

Min. 40 °F (4.4 °C)
Water Pressure 150 psi (1,034 kPa) or less
Recommended Water

Flow Rate

5 gal/min (18 L/min)

Maximum Duct Length Cold Duct 25 ft (7.6 m)

Sound Level

*2

High 62 dB (A)
Low 60 dB (A)

WARRANTY STATEMENT

DENSO PRODUCTS AND SERVICES AMERICAS, INC. ("DENSO") warrants its
MOVINCOOL Products only to the extent stated in its official written warranties. Unless
otherwise specifically provided in writing by DENSO, DENSO warrants to the original end-user
that the products shall be free of defects in materials or workmanship and will function in
accordance with DENSO's published specifications under ordinary intended use and service
for a period listed below beginning from the date of purchase on the invoice to the end-user:

Office Pro W20 Warranty: 3 Years with warranty registration OR 1 Year for unregistered units.

DENSO shall, at its sole discretion, repair or replace any defective product covered by this
warranty. Such remedy shall be end-user's sole remedy with respect to any particular defect
in the products.

This warranty does not cover defects or malfunctions which result from causes beyond
DENSO's control, including, without limitation, (i) unusual physical or electrical stress; (ii)
accident, neglect, abuse, misuse or other abnormal use; (iii) failure to perform routine
maintenance in accordance with DENSO's recommended procedures; (iv) normal wear and
tear; (v) repairs or attempted repairs by an unauthorized person; (vi) modifications or
alterations to the products; (vii) use with parts or devices not supplied or approved by
DENSO; (viii) improper installation or service; (ix) shipping damage to any units or spare
parts during shipping. This includes and is not limited to compressors, evaporators and
condenser coils. This warranty shall extend only to the original end-user and shall be void if
any labels or other identifying marks permanently affixed to products when shipped by
DENSO are removed, altered, defaced or obliterated.

TO THE EXTENT PERMITTED BY LAW, THIS WARRANTY, AS LIMITED HEREIN, SHALL
BE IN LIEU OF AND EXCLUSIVE OF ALL OTHER WARRANTIES, EITHER EXPRESSED
OR IMPLIED, ON THE PART OF DENSO PRODUCTS AND SERVICES AMERICAS, INC.,
OR DENSO CORPORATION, WHETHER ARISING FROM LAW, COURSE OF DEALING,
USAGE OF TRADE, OR OTHERWISE, INCLUDING WITHOUT LIMITATION ANY
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS OF A PARTICULAR
PURPOSE OR ANY LIABILITY FOR COMMERCIAL LOSSES BASED UPON
NEGLIGENCE OR MANUFACTURER'S STRICT LIABILITY. EXCEPT AS EXPRESSLY
PROVIDED HEREIN, NEITHER DENSO PRODUCTS AND SERVICES AMERICAS, INC.,
NOR DENSO CORPORATION WILL, IN ANY EVENT, BE LIABLE FOR LOST PROFITS,
COSTS OF PROCESSING, INJURY, GOODWILL, OR ANY OTHER CONSEQUENTIAL
DAMAGES OF ANY KIND ARISING FROM BREACH OF THIS WARRANTY.

PURCHASE DATE:

SERIAL NUMBER:

DENSO PRODUCTS AND SERVICES AMERICAS, INC. reserves the right to make
changes without prior notice. MovinCool®, Office Pro® and SpotCool® are registered
trademarks of DENSO Corporation.

P/N: GX484007-3313EN Fourth Issue: April 2015