Diamondback DPLS1 User Manual

DPLS1

DPLS1

Drain Pan Level
Sensor/Control

Installation Instructions

Provides electronic overflow protection for Drain Pans in all Mr. Slim and CITY
MULTI indoor units – MFZ, MS, MSY/Z, SEZ, SLZ, PCA/PCFY, PDFY,
PEA/PEAD/PEFY, PKA/PKFY, PLKA/PLFY, PMFY, and PVFY

Meets requirements as listed alternative to secondary drain pans in all indoor unit installations covered by the

International Mechanical Code and adaptations.

Drain Panel Level
Sensor/Control

Installation Instructions

The DPLS1 Drain Pan Level Sensor / Control provides protection against drain pan overflow in
Mitsubishi Electric Mr. Slim and CITY MULTI Indoor Units. The unit will sense a high condensate
level in the drain pan. Should this occur the control shuts down the indoor unit before an overflow
can occur. A thermistor error code will be produced should the DPLS1 activate indicating a fault
which must be resolved before the unit will re-start.

This unit provides electronic overflow protection for Drain Pans in all Mr. Slim and CITY MULTI
indoor units: MFZ, MS, MSY/Z, SEZ, SLZ, PCA/PCFY, PDFY, PEA/PEAD/PEFY, PKA/PKFY, PLA,
PLKA/PLFY, PMFY, and PVFY.

Meets requirements as listed alternative to secondary drain pans in all indoor unit installations
covered by the International Mechanical Code and adaptations.

DPLS1 – COMPONENTS

Control Box Water Sensor Splice Connector M2 Wire Harness

P Wire Harness M1 Wire Harness

Work Safe, READ THIS!

ATTENTION: FAILURE TO READ AND COMPLY WITH ALL WARNINGS, CAUTIONS AND INSTRUCTIONS PRIOR
TO STARTING INSTALLATION MAY CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE AND VOID
WARRANTY.

This device must be installed in accordance with Equipment
Manufacturer’s instructions and in accordance with all applicable
local codes, including plumbing, drainage and electrical

The DPLS1 is powered by a twenty-year life Lithium battery,
which has been factory, installed prior to shipment. This allows
installation of the sensor and control to be accomplished without
needing external electric power for operation. There is an audible
indication of low battery condition. Should the battery ever need
to be replaced at any time see the BATTERY INSTALLATION
INSTRUCTIONS in this document.

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3400 Lawrenceville Suwanee Rd
Suwanee, GA 30024
Tele: 678-376-2900
Service: 877-391-2900
www.mehvac.com

© 2011 Mitsubishi Electric & Electronics USA, Inc.

DPLS1 Drain Panel Level Sensor/Control

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DPLS1 Drain Pan Level Sensor/Control

Protected under one or more patients

Table 1: Description of Wire Harnesses

Type of Wire

Harness

Indoor Unit Models

Connector to Indoor Unit Control

Board

Connector to Thermistor

Connector to

Control Box

M2 Wire
Harness

MS MSZ/Y
MFZ

2 pin, female connector (with black
heat shrink) to CN111

2 pin, male connector to:
RT11 (Room Temp. Thermistor)

2 pin, male connector

P Wire
Harness

PKA PCA
PEA(D)

SEZ

2 pin, female connector to CN20

2 pin, male connector to:
TH1 (Room Temp. Thermistor)

2 pin, male connector

PKFY-P**NBMU-E

PLFY-P**NCMU-E

PMFY-P**NBMU-E

PVFY-P**E00A

PEFY-P**NMHU-E

2 pin, female connector to CN20,
CN21 or CN29

2 pin, male connector to:

TH1 (Room Temp. Thermistor) or

TH22 (Pipe Temp.
Thermistor/Liquid) or

TH23 (Pipe Temp

Thermistor/Gas)

M1 Wire
Harness

PKA

PCA
PEA(D)
SEZ
PKFY-P**NH/KMU-E
PLFY-P**NBMU-E
PCFY-P**NKMU-E

PEFY-P**NMS/AU-E

4 pin, female connector to CN44

4 pin, male connector to

TH2 (Pipe Temp.
Thermistor/Liquid) and

TH5 (Pipe Temp. Thermistor/Gas)

2 pin, male connector

MS

4 pin, female connector to CN112

4 pin, male connector to

RT12 (Coil Temp. Thermistor)

MSZ/Y

4 pin, male connector to

RT12 (Coil Temp. Thermistor –
Main) and

RT13 (Coil Temp. Thermistor –
Sub)

MFZ 4 pin, female connector to CN113

4 pin, male connector to

RT15 (Coil Temp. Thermistor)

4F Wire
Harness

All indoor units, with
CN-4F Connector on

4 pin terminate to CN-4F if available -
CN-4F is used for other function use

If CN-4F not available

2 pin, male connector

Control Board Thermistor Connection Method

Protected under one or more patents
© 2011 Mitsubishi Electric & Electronics USA, Inc.

Type of Harness Indoor Unit Models Connector to Indoor Unit Control Board Connector to Thermistor Connector to Control Box

M2 Wire
Harness

P Wire
Harness

M1 Wire
Harness

MS MSZ/Y
MFZ

PKA PCA
PEA(D) PLA
SEZ

SLZ

PKFY-P**NBMU-E

PLFY-P**NCMU-E

PMFY-P**NBMU-E

PVFY-P**E00A

PEFY-P**NMHU-E

PLA
PKA
PCA
PEA(D)
SEZ
PKFY-P**NH/
KMU-E
PLFY-P**NBMU-E
PCFY-P**NKMU-E
PEFY-P**NMS/AU-E

MS

MSZ/Y

INSTALLATION OF DPLS1

(To ensure proper performance of product, instructions must be followed.)

MFZ 4 pin, female connector to CN113

Drain Pan Level Sensor/Control:

1. Disconnect (and lock-out, if required) all power to the Mr. Slim or CITY MULTI Indoor Unit at the Disconnect Switch (if
installed) or at the main disconnect panel serving the indoor and/or outdoor unit.

2. Connect DPLS1 Splice Connector to the selected mating Wire Harness Connector – see wiring harness selection above.
Connect the Control Box’s Splice C onnector to the mating connector on the Wire Harness (Fig 1).

2 pin, female connector (with black

heat shrink) to CN111

2 pin, female connector to CN20

2 pin, female connector to CN20,

4 pin, female connector to CN44

4 pin, female connector to CN112

CN21 or CN29

2 pin, male connector to:

RT11 (Room Temp. Thermistor)

2 pin, male connector to:

TH1 (Room Temp. Thermistor)

2 pin, male connector to:

TH1 (Room Temp. Thermistor) or

TH22 (Pipe Temp.

Thermistor/Liquid) or

TH23 (Pipe Temp

Thermistor/Gas)

4 pin, male connector to

TH2 (Pipe Temp.
Thermistor/Liquid) and

TH5 (Pipe Temp. Thermistor/Gas)

4 pin, male connector to
RT12 (Coil Temp. Thermistor)

4 pin, male connector to

RT12 (Coil Temp. Thermistor –
Main) and

RT13 (Coil Temp. Thermistor –
Sub)

4 pin, male connector to
RT15 (Coil Temp. Thermistor)

2 pin, male connector

2 pin, male connector

2 pin, male connector

Fig 1

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DPLS1 Drain Panel Level Sensor/Control
Protected under one or more patents
© 2011 Mitsubishi Electric & Electronics USA, Inc.

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DPLS1 Drain Panel Level Sensor/Control

ULU

L

DPLS1 Drain Pan Level Sensor/Control

Protected under one or more patients

Protected under one or more patents
© 2011 Mitsubishi Electric & Electronics USA, Inc.

7. Disconnect indoor unit power before proceeding to the next step.

8. Determine the best location for the DPLS1 Water Sensor. Make sure that power has been disconnected. Find the drain pan
below the coil in the indoor unit. It is located directly below the aluminum fins of the coil and is slightly wider than the coil
depending on the style of indoor unit.

9. Wipe all water, dirt and dust from the drain pan with a damp cloth. DO NO
SENSOR YET. Temporarily locate the Water Sensor in the drain pan.

10. Rotate the panel clips on the Water Sensor so that the clips are towards the front of the indoor unit and slide onto the front
edge of the drain pan (Fig 8). Push the panel clips all the way down onto the plastic drain pan then push the Water Sensor
down until it stops on, or close to, the bottom of the drain trough (Fig 9)*.

11. Temporarily reassemble the front cover of the indoor unit to make sure that it reattaches properly. If there is interference
with the front cover, relocate the Water Sensor on the drain pan and recheck clearances.

12. Once the best location has been determined, remove the double-sided tape on the Water Sensor and reinstall it in the same
manner as described ab
the way down on the front edge of the trough (Fig 10).

Fig 7

Fig 8 Fig 9

ove. Ensure the Water Sensor touches the bottom of the trough and the panel clips are pushed all

T REMOVE DOUBLE SIDED TAPE ON WATER

*These installation instructions are typical for all wall mounted, floor standing, ceiling recessed, ceiling concealed, and

ceiling suspended units. Location of the water sensor should at the drain pan no less than 3/8” from the bottom .

Fig 10

13. Bundle and tie wrap excess wire. Locate and anchor the excess wire bundles so that they do not interfere with the
reassembly of the cover of the indoor unit.

14. Reassemble the indoor unit cover.

15. Turn power on to indoor unit.

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DPLS1 Drain Panel Level Sensor/Control

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DPLS1DrainPanLevelSensor/Control

Protectedunderoneormorepatients

Protected under one or more patents
© 2011 Mitsubishi Electric & Electronics USA, Inc.

BATTERY INSTALLATION on the DPLS1:

1. Remove the #2 screw from the top of the DPLS1 control box (fig 11).

2. Separate the top from the base of the control box. Remove the 1/2 AA Lithium battery and replace with a new battery of
identical type, making sure that battery polarity is correct (fig 12).

3. Reassemble DPLS1 top to base with screw

Fig 11

Fig 12

LIMITED WARRANTY

Diamondback DPLS1 Drain Pan Level Sensor/Control

1. ONE YEAR DRAIN PAN LEVEL SENSOR/CONTROL WARRANTY - MITSUBISHI ELECTRIC &
ELECTRONICS USA, INC. (“MEUS”) warrants to the original end-user of this Drain Pan Level Sensor/Control that, should it
prove defective due to improper workmanship and/or material under normal use and proper installation for a period of one year from
the date of installation, we will repair or replace, at our option, any defective Drain Pan Level Sensor/Control or component without
charge for the part. Replacement Drain Pan Level Sensor/Controls is warranted for the remainder of the original warranty period.

2. THIS WARRANTY DOES NOT INCLUDE LABOR or other costs incurred for servicing, repairing, removing,
installing, shipping or handling of defective or replacement Drain Pan Level Sensor/Control.

3. TO OBTAIN WARRANTY SERVICE, please contact your dealer or contractor who installed this product. If your dealer
or contractor needs assistance, its distributor is available for consultation. Should you not receive satisfactory warranty service,
please call, fax or write to us at:

[e-mail]

Mitsubishi Electric & Electronics USA, Inc.
Attn.: Customer Service,
3400 Lawrenceville Suwanee Road
Suwanee, Georgia 30024
Phone: [phone] -- FAX: [phone]

4. This limited warranty applies only while the Drain Pan Level Sensor/Control remains at the site of the original installation.
This limited warranty applies only if the Drain Pan Level Sensor/Control is installed and operated in accordance with the
manufacturer’s instructions and in compliance with applicable local installation and building codes and good trade practices.

5

DPLS1 Drain Panel Level Sensor/Control



ULU

L



DPLS1DrainPanLevelSensor/Control

Protectedunderoneormorepatients

Protected under one or more patents
© 2011 Mitsubishi Electric & Electronics USA, Inc.

5. Any defective Drain Pan Level Sensor/Control to be replaced must be made available to your dealer or contractor in
exchange for the replacement part. You must present proof of the original date of installation of the product in order to establish the
effective date of the warranty.

6. THIS WARRANTY DOES NOT COVER any damage resulting or arising from: (a)installation that is not strictly
according to the manufacturer’s instructions; (b) incorrect mounting or locating control or sensor; (c) accident, abuse, negligence, or
misuse; (d) improper wiring; (e) modification or alteration; (f) improper application of the product; (g) failure to properly maintain
and service the product according to manufacturer’s instructions; (h) installation or operating of the product in a manner contrary to
the instructions of the manufacturer; or (i) lightning, fluctuations in electrical power or acts of God. This limited warranty also
excludes all costs of installation, disconnection or dismantling the product and owner-required maintenance. Consult the
instructions enclosed with the product for information regarding recommended maintenance.

7. No one is authorized to change this LIMITED WARRANTY in any respect, or to create for us any other obligation or
liability in connection with this product.

8. YOUR ONLY REMEDIES ARE PROVIDED IN THIS LIMITED WARRANTY. ANY EXPRESS WARRANTY

NOT PROVIDED HEREIN, AND ANY REMEDY WHICH, BUT FOR THIS PROVISION, MIGHT ARISE BY
IMPLICATION OR OPERATION OF LAW, IS HEREBY EXCLUDED AND DISCLAIMED. THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND OF FITNESS FOR ANY PARTICULAR PURPOSE ARE EXPRESSLY
LIMITED TO TERM OF ONE YEAR FROM THE DATE OF ORIGINAL INSTALLATION. UNDER NO
CIRCUMSTANCES SHALL MEUS BE LIABLE TO THE OWNER OR ANY OTHER PERSON FOR ANY
INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THIS PRODUCT, WHETHER
ARISING OUT OF BREACH OF WARRANTY, BREACH OF CONTRACT OR OTHERWISE.

9. Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusion or limitation of
incidental, special or consequential damages, so the above limitations or exclusions may not apply to you.

10. This warranty gives your specific legal rights, and you may also have other rights, which vary, from state to state.

11. This warranty is valid only in the U.S.A. and is not transferable.

3400 Lawrenceville Suwanee Rd
Suwanee, GA 30024
Tele: 678-376-2900
Service: 877-391-2900
www.mehvac.com

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