KMC Controls KMD-5290 User manual

Applicable models

This installation sheet applies to KMD-5290

LANController controllers for rooftop units. The

model numbers for these models end with "0002".

Additional information for the controllers can be

found in the document Installation, Operation and

Application Guide for the KMD-5290 LANController

which is available on the KMC partners web site.

Illustration 1—Rooftop Unit models

BAC-4 _ _ _ CW0002

12H/2C On/off valves

3 2H/2C On/off or modulating

valves and economizer

0 Without humidity

2 With humidity

0 Without motion

2 With motion

Planning for motion sensing

For models with a motion sensor mount the KMD-

5290 LANController on a wall that will have an

unobstructed view of the typical traffic in the

coverage area. When choosing a location, do not

install the sensor in the following areas.

Behind curtains or other obstructions

In locations that will expose it to sunlight or heat

sources

Near a heating or cooling inlet or outlet.

Illustration 2—Typical motion sensing coverage area

The effective detection range is approximately 10

meters or 33 feet. Factors that may reduce the range

include:

The difference between the surface temperature

of the object and the background temperature of

the room is too small.

Object movement in a direct line toward the

sensor.

Very slow or very fast object movement.

Obstructions as shown in the illustration Typical

motion sensing coverage area on page 1.

False detections may be triggered by:

The temperature inside the detection range

suddenly changes because of the entry of cold or

warm air from an air-conditioning or heating

unit.

The sensor being directly exposed to sunlight, an

incandescent light, or other source of far-infrared

rays.

Small animal movement.

AppStat For Rooftop Units

LANController for KMDControllers

Installation Guide

AppStat For Rooftop Units 1 Installation Guide

AppStat For Rooftop Units 2 Installation Guide

Mounting the KMD-5290 LANController

For the most accurate performance, install the KMD-

5290 LANController on an inside wall where it can

sense the average room temperature. Avoid

locations with direct sunlight, heat sources,

windows, air vents, and air circulation or

obstructions such as curtains, furniture, etc.

The KMD-5290 LANController must not be:

Mounted on an exterior wall.

Mounted on or near an object with large a

thermal mass such as a concrete block wall.

Blocked from normal air circulation by

obstructions.

Exposed to heat sources such as lights,

computers, copiers, or coffee makers, or to direct

sunlight at any time of the day.

Exposed to drafts from windows, diffusers, or

returns.

Exposed to air flow through connecting conduits

or empty spaces behind walls.

For models with motion sensing, see the topic,

Planning for motion sensing.

Rough-in preparation

Complete rough-in wiring at each location before

mounting an KMD-5290 LANController. This

includes the following steps.

Install the supplied mounting base directly to a

wall, a vertical electrical box, or a box with a wall

plate kit.

Routing the connecting cable or cables from the

KMD-5290 LANController to the equipment it is

controlling.

If required, install an appropriate wall plate kit.

Block leaks and airflow from conduits with

plumber’s putty or similar material.

If replacing an existing thermostat, label existing

wires for reference when removing the existing

thermostat.

Illustration 3—KMD-5290 LANController mounting base

details

5.12 in.

130 mm

3.50 in.

89 mm

Inputs and

network

Power and outputs

Installing the KMD-5290 LANController

To install the controller on a mounting base, do the

following:

1. Turn the Allen screw in the base of the sensor

clockwise until it clears the case.

Turn clockwise to remove

from base.

2. Swing the KMD-5290 LANController away from

the mounting base to remove it.

3. Route wiring for the KMD-5290 LANController

through the mounting base.

4. Position the base with the embossed UP toward

the ceiling and fasten it directly to a vertical 2x4

inch electrical box. For horizontal boxes or 4x4

applications, use a wall plate kit. See Installation

accessories on page 5 for part numbers.

5. Connect the wires for the KMD-5290

LANController to the terminals in the mounting

base.

6. Place the top of the sensor over the top of the

mounting base and swing it down over the Allen

screw bracket. Be careful not to pinch any wiring.

7. Turn the Allen screw counterclockwise until it

backs out of the mounting base and engages the

case.

Turn counterclockwise

until the screw engages

the base.

AppStat For Rooftop Units 3 Installation Guide

Caution

To prevent mounting screw

heads from touching the circuit

board in the controller, use only

the mounting screws supplied by

KMC Controls. Using screws

other than the type supplied may

damage the KMD-5290

LANController.

Connecting inputs

The inputs for the KMD-5290 LANController are

configured for specific functions and do not require

set up in the field. Not all inputs are required for

every model or application.

Illustration 4—RTUinputs

Outdoor Air Temp.

Remote Space Temp.

Discharge Air Temp.

N.C. Fan Status

MS/TP

A

OAT

GND

DAT

ECON

AO6

AO7

COM

24VAC

Remote space temperature sensor (optional)

Connect a 10kΩ, TypeII thermistor temperature

sensor to the remote space temperature (RS) input

and ground (GND) terminals. The input includes

the internal pull-up resistor. An STE-6011W10

sensor is suitable for this application. Follow the

instructions supplied with the sensor for installation.

When a remote space temperature input is

connected to the KMD-5290 LANController, the

remote temperature is used instead of the internal

temperature sensor.

Fan status switch (optional)

Connect a Normally Closed Fan Status switch to the

Discharge Air Temperature (DAT) input and

ground (GND) terminals. The input includes the

internal pull-up resistor. A CSE-1102 differential

pressure switch is suitable for this application.

Follow the instructions supplied with the switch for

installation.

Outdoor air temperature sensor

Connect a 10kΩ, Type III thermistor temperature

probe to the outdoor air temperature (OAT) input.

The input includes the internal pull-up resistor. An

STE-1451 sensor is suitable for this application.

Follow the instructions supplied with the sensor for

installation.

Discharge air temperature

Connect a 10kΩ, Type III thermistor temperature

probe to the discharge air temperature (DAT) input.

The input includes the internal pull-up resistor. An

STE-1405 sensor is suitable for this application.

Follow the instructions supplied with the sensor for

installation.

Connecting outputs

The KMD-5290 LANController outputs are model

dependent and are configured for specific

applications.

No field programming or set up is required or

possible.

Depending on model and application, the KMD-

5290 LANController outputs are designed for

either 24 voltAC or 0-10 voltDC loads.

The outputs may represent analog or digital

signals.

Caution

Improperly connecting loads or

equipment to output terminals

may damage the equipment.

Connect only as shown in the

following diagrams or application

drawings.

AppStat For Rooftop Units 4 Installation Guide

Illustration 5—RTU output terminals

0-10VDC

MS/TP

A

OAT

GND

DAT

ECON

AO6

AO7

COM

24VAC

24 VAC

24VAC

Connecting power

The KMD-5290 LANController requires an external,

24 volt, AC power source. Use the following

guidelines when choosing and wiring transformers.

Use only a Class-2 transformer of the appropriate

size to supply power.

KMC Controls recommends powering the KMD-

5290 LANController from a dedicated controls

transformer.

Connect the transformer’s neutral lead to the

COM terminal.

Connect the AC phase lead to the 24VAC

terminal.

Power is applied to the controller when the

transformer is powered.

See Installation accessories on page 5 for a list of

transformers available from KMC Controls, Inc.

Illustration 6—Wiring for KMD-5290 LANController power

MS/TP

A

OAT

GND

DAT

ECON

AO6

AO7

COM

24VAC

24 VAC

Class-2

Controls

transformer

AppStat For Rooftop Units 5 919-019-02D

Maintenance

Remove dust as necessary from the holes in the top

and bottom. Clean the display with a soft, damp

cloth and mild soap.

Specifications

KMD-5290 LANController specifications are subject

to change without notice.

Supply Voltage 24 volts AC (–15%, +20%),

50-60 Hz, 12 VA,

Class 2 only

Inputs 0–12 volts DC with internal 10kΩ

pull-up resistors

Relay outputs SPST, 24 volts, 1 amp AC or DC

Maximum for all relay outputs is

3 amps

Analog outputs Short protected 10mA 0–12 VDC

Environmental

limits

Operating 34 to 125° F (1.1 to

51.6° C)

Shipping –40 to 140° F

(–40 to 60° C)

Humidity 0 to 95% RH

(non-condensing)

Regulatory UL 916 Energy Management

Equipment

FCC Class A, Part 15, Subpart B

and complies with Canadian

ICES-003 Class A

This device complies with part 15 of the FCC Rules.

Operation is subject to the following two conditions:

(1) This device may not cause harmful interference,

and (2) this device must accept any interference

received, including interference that may cause

undesired operation.

Installation accessories

The following accessories are available from KMC

Controls, Inc.

XEE-6111-040 Single-hub 120 volt power

transformer

XEE-6112-040 Dual-hub 120 volt power

transformer

XEE-6311-075 120/240/277/480VAC, 24 VAC, 75 VA

transformer

HMO-10000W White mounting plate kit for retrofit

on horizontal boxes or 4 x 4 handy

boxes

Additional resources

The latest support files are always available on the

KMC Controls web site.

For detailed specifications, installation, operating ,

application, and system integration information, see

The Installation, Operation, and Application Guide

for AppStat.

For additional specifications information, see the

BAC-4000 AppStat Data Sheet.

Important Notices

The material in this document is for information

purposes only. The contents and the product it

describes are subject to change without notice. KMC

Controls, Inc. makes no representations or

warranties with respect to this document. In no

event shall KMC Controls, Inc. be liable for any

damages, direct or incidental, arising out of or

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