Honeywell CR7075 Operation manual

PRODUCT DATA

63- 2180- 1

® U.S. Registered Trademark

CR7075

Two-Stage Lighting Controller

APPLICATION

The CR7075A Two-Stage Lighting Controller offers on/off

sequenced control of two separate lighting banks based

on user determined ambient light intensity level via a

single sensor. Typical applications include outdoor cosmetic

and parking lot lighting in fast food restaurants, retail

establishments, supermarkets, banks, and lighted billboards.

FEATURES

• Light intensity threshold levels field-adjustable

by user.

• Independent Time of Day (TOD) override inputs.

• Optimum start/stop of lighting loads.

• Tamper-proof cover.

• LED annunciation for power on and relay state.

• Wide ambient temperature range.

• Up to 1000-foot separation between photocell

and controller.

Contents

Application ........................................................................ 1

Features ........................................................................... 1

Specifications ................................................................... 2

Ordering Information ........................................................ 2

Installation ........................................................................ 3

Operation .......................................................................... 6

Checkout .......................................................................... 7

CR7075 TWO-STAGE LIGHTING CONTROLLER

63-2180—1 2

ORDERING INFORMATION

When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the

TRADELINE® Catalog or price sheets for complete ordering number.

If you have additional questions, need further information, or would like to comment on our products or services, please write or

phone:

1. Your local Home and Building Control Sales Office (check white pages of your phone directory).

2. Home and Building Control Customer Relations

Honeywell, 1885 Douglas Drive North

Minneapolis, Minnesota 55422-4386 (800) 328-5111

In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.

International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,

Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.

SPECIFICATIONS

Model: CR7075A1000 Two-Stage Lighting Controller.

Dimensions: See Fig. 1.

Electrical Ratings:

Voltage Input: 120/240 Vac, 50/60 Hz.

Power Consumption: 5 VA Maximum.

Switching: Single-Pole, Double-Throw (SPDT).

Sensor: Cadmium sulfide photocell (C7057A1000),

1000 ft. maximum distance between sensor and controller,

shielded wire not required.

Indicators: LED annunciation—power and relay state.

Contact Ratings:

TOD Inputs: Two independent contact closure inputs.

Function is active when contact closure is made between

appropriate terminals.

Integrating Time Delay: 30 ±10 seconds.

Ambient Temperature Range: -40 to +140°F (-40 to 60°C).

Humidity: 0 to 95% rh.

Setpoint Range: 2 foot-candles to 80 foot-candles.

Approvals:

Underwriter’s Laboratories, Inc. Listed: File No. E87741,

Guide No. EOXT.

Canadian Standards Association Listed.

Fig. 1. Approximate CR7075 dimensions in in. (mm).

Voltage (Vac)

120 240

Full Load 9.8A 4.9A

Locked Rotor 58.8A 29.4A

Pilot Duty 125VA

Resistive 10A @ 24 Vac

3/8

(10)

4-9/16 (116)

5-5/16

(135)

MOUNTING HOLES (2)

2-1/4 (57)

3/8

(10)

M17971

CR7075 TWO-STAGE LIGHTING CONTROLLER

3 63-2180—1

INSTALLATION

When Installing this Product...

1. Read these instructions carefully. Failure to follow

them could damage the product or cause a hazardous

condition.

2. Check the ratings given in the instructions and on the

product to make sure the product is suitable for your

application.

3. Installer must be a trained, experienced service

technician.

4. After installation is complete, check out product

operation as provided in these instructions.

CAUTION

Electrical Shock or Equipment Damage Hazard.

Can shock individuals or short equipment

circuitry.

Disconnect power supply before installation.

Before Installation

IMPORTANT

Expose the photocell to light for 16 hours.

The photocells develop a hysteresis (or “light memory”) when

packed for shipping. Until the photocell has been exposed to

bright light for at least 16 hours, light level setpoints will shift.

Location

Locate the cadmium sulfide photocell sensor C7057A1000

(supplied with this controller) so that the lens is exposed to full

daylight. (See Fig. 2.)

NOTES:

— Select an area which will not become shaded.

— Mount only with light entrance facing horizontally.

— Avoid overexposure to direct east/west sunlight.

Fig. 2. Vertical mounting configuration.

Mounting

IMPORTANT

Mount the photocell sensor to the top of a watertight,

outdoor FS junction box.

1. Use the gasket provided to prevent moisture entry.

2. Screw stem into 1/2-14 threaded knockout.

NOTE: The photocell sensor can be mounted in a

7/8 in. hole (or knockout).

Mount the controller on any convenient interior location:

1. Remove the tamper-proof cover.

2. Mount the controller using the two mounting holes

provided in the metal enclosure corners (mounting

screws not included).

NOTE: Use controller dimensions in Fig. 1 as a guide.

20060

HEX NUT

LENS

PHOTOCELL

JUNCTION

BOX

GASKET

1/2-14 THREADED

KNOCKOUT OR

7/8 INCH HOLE

FOR BEST RESULTS, EXPOSE LENS

TO LIGHT FROM THE NORTHERN SKY

(IN THE NORTHERN HEMISPHERE)

OR THE SOUTHERN SKY (IN THE

SOUTHERN HEMISPHERE).

USE WATERTIGHT JUNCTION BOX

WITH PROPER GASKETS AND SEALS.

CR7075 TWO-STAGE LIGHTING CONTROLLER

63-2180—1 4

Wiring

CAUTION

Electrical Shock or Equipment Damage Hazard.

Can shock individuals or short equipment

circuitry.

Disconnect power supply before installation.

IMPORTANT

• All wiring must agree with applicable codes,

ordinances and regulations.

• When wiring the input power, apply only one source

of power to the CR7505A.

• With line-voltage loads, the power and load voltage

must be the same.

Refer to chart on the inside of the controller cover or Fig. 3 for

locating the power inputs, photocell sensor inputs, TOD and

load relay terminals. Refer to Fig. 4 through 7 for typical wiring

and application examples.

NOTES:

— The photocell sensor has no polarity.

— Wire to terminal strip T2, terminals 4 and 5.

— Access to the terminals can be gained through

standard conduit knockouts (A-E) located around

the perimeter of the enclosure.

— Use knockout A only for the photocell sensor

and TOD wiring.

— Photocell wires should be at least 18 AWG two

conductor. If not run in watertight conduit, use

suitable insulation for outdoor wiring.

— Shielded wiring is not required.

The Two-Stage Lighting Control System consists of

two components:

— CR7075 Two-Stage Lighting Controller.

— C7057 Cadmium Sulfide Photocell Sensor.

This system offers independent series 60 control of two

separate lighting banks based on user determined ambient

light intensity level via a single sensor.

Set point indexing is relative. The SET-RUN switch removes

the integrating time delay (short cycle protection) circuitry in

the SET position. In the RUN position (normal operation) there

is a 30 ±10 second time delay for both light fall and light rise

initiated relay action.

Two independent Time Of Day (TOD) inputs are provided to

override a relay energized condition of either output. This

function is generated by a contact closure from an EMS

controller or time clock with normally open contacts, i.e.,

W7505, S7005, etc., between terminals 1 and 2 (stage 1) and

terminals 2 and 3 (stage 2) of terminal strip T2 (Fig. 6 and 7).

These inputs have priority over any time delay action.

Fig. 3. Knockout locations and internal device layout.

Fig. 4. Wiring for 120 or 240 Vac input and load.

CAUTION

ONE POWER SOURCE ONLY

LINE POWER OUTPUT 1 OUTPUT 2

120

VAC

240

VAC

COM N0 COM NC N0 COM NC

M1040

LIGHT LEVEL

SET RUN

POWER STAGE 1 STAGE 2

10 12

T.O.D. 1

T.O.D. 2

SENSOR

CAUTION

ONE POWER SOURCE ONLY

LINE POWER OUTPUT 1 OUTPUT 2

120

VAC

240

VAC

COM N0 COM NC N0 COM NC

M1043

LIGHT LEVEL

SET RUN

POWER STAGE 1 STAGE 2

10 12

T.O.D. 1

T.O.D. 2

SENSOR

.O.D. 1

.O.D. 2

WHITE

BLACK

LOAD 2

LOAD 1

POWER SUPPLY. PROVIDE DISCONNECT MEANS AND

OVERLOAD PROTECTION AS REQUIRED.

CR7075 TWO-STAGE LIGHTING CONTROLLER

5 63-2180—1

Fig. 5. Wiring for 120 Vac input; 24 Vac load. Fig. 6. Wiring for 120 Vac input and load;

S7005 Microprogrammer controlling both

TOD inputs from a single output.

Fig. 7. Wiring for 120 Vac input and load; W7075 Building Management System controlling both TOD inputs.

CAUTION

ONE POWER SOURCE ONLY

LINE POWER OUTPUT 1 OUTPUT 2

120

VAC

240

VAC

COM N0 COM NC N0 COM NC

M1042

LIGHT LEVEL

SET RUN

POWER STAGE 1 STAGE 2

10 12

T.O.D. 1

T.O.D. 2

SENSOR

T.O.D. 1

T.O.D. 2

WHITE

BLACK

LOAD 1 LOAD 2

POWER SUPPLY. PROVIDE DISCONNECT MEANS

AND OVERLOAD PROTECTION AS REQUIRED.

WHEN SWITCHING 24 VOLT LOADS MAKE SURE BARRIER IS INSTALLED

(HOT

)

CAUTION

ONE POWER SOURCE ONLY

LINE POWER OUTPUT 1 OUTPUT 2

120

VAC

240

VAC

COM N0 COM NC N0 COM NC

M1088

LIGHT LEVEL

SET RUN

POWER STAGE 1 STAGE 2

10 12

T.O.D. 1

T.O.D. 2

SENSOR

WHITE

BLACK

LOAD 2LOAD 1

S7005

T3 T4 T5

POWER SUPPLY. PROVIDE DISCONNECT MEANS

AND OVERLOAD PROTECTION AS REQUIRED.

CAUTION

ONE POWER SOURCE ONLY

LINE POWER OUTPUT 1 OUTPUT 2

120

VAC

240

VAC

COM N0 COM NC N0 COM NC

M1089

LIGHT LEVEL

SET RUN

POWER STAGE 1 STAGE 2

10 1

T.O.D. 1

T.O.D. 2

SENSOR

WHITE

BLACK

LOAD 2LOAD 1

W7505

RELAY 1 RELAY 2 RELAY 3 RELAY 4 RELAY 5

POWER SUPPLY. PROVIDE DISCONNECT MEANS

AND OVERLOAD PROTECTION AS REQUIRED.

CR7075 TWO-STAGE LIGHTING CONTROLLER

63-2180—1 6

OPERATION

In many applications, outdoor cosmetic lighting and parking lot

lighting activate either simultaneously or with independent

controllers by means of a time of day clock with a photocell

override. The photocell override turns on lighting during

abnormal weather conditions (such as overcast sky).

NOTE: Overriding the time of day feature with a photocell

controller provides optimum lighting control, but does

not maximize energy savings.

The Two-Stage Lighting Controller overcomes the energy

saving and calibration deficiencies mentioned above. Each

stage functions separately to control the on/off times of the

outdoor cosmetic and parking lot lighting.

NOTE: At the time of installation, one can operationally

check the photocell by covering the lens with their

hand from a distance of a few inches.

IMPORTANT

Calibration is accomplished by setting light level

potentiometers to turn the lights on at the user-

determined ambient light level.

After a period of time, the photocell characteristics can

change due to accumulation of airborne particles on the lens.

Certain environmental conditions (such as high humidity

levels) can accelerate this accumulation. This can require

changing the light level potentiometer settings. (Refer to the

Checkout section for calibration instructions.)

Typical Sequencing

The following is an example of a typical on/off sequence.

NOTES:

— Refer to Fig. 8 for sequence of operation.

— For 24-hour stores, lights simply remain on unless

sufficient light exists to warrant their shut-off. As

operation in such an arrangement depends only

on the photocell, TOD override need only operate

on a manual basis.

Typical Evening Start-up

As ambient light level decreases, cosmetic lighting (stage 1)

turns on first. As ambient light level decreases further, parking

lot lights (stage 2) turn on. Both turn off after the business

closes using a separate time of day clock. If desired,

independent TOD override for each stage allows turning off

one stage at a different time than the other.

Fig. 8. Sequence of operation.

Typical Morning Start-up

Both cosmetic and parking lot lighting turn on with the time of

day clock. If desired, independent TOD override for each

stage allows turning on one stage at a different time than the

other. As ambient light level increases, the parking lot lights

(stage 2) turn off first and the cosmetic lighting (stage 1) turns

off last as the ambient light level increases further.

LIGHT

INTENSITY

TIME

DELAY

DECREASING LIGHTING CONDITIONS

(SUNSET)

STAGE 2

SETPOINT

(

ADJUSTABLE)

HIGH

LOW

M1045

STAGE 1 - ON

STAGE 2 - ON

STAGE 1

SETPOINT

(

ADJUSTABLE)

TIME

DELAY

TIME

CR7075 TWO-STAGE LIGHTING CONTROLLER

7 63-2180—1

CHECKOUT

In the following procedures, refer to the diagram inside the

CR7075A cover or Fig. 3. These show locations of all

operating controls, LED lights, and wiring connection points.

Initial Adjustments

1. Adjust both light level potentiometers to the fully

clockwise position (#1 index level).

2. Place the SET-RUN switch to the RUN position.

Calibration

After the controller and photocell sensor are installed (with

wiring and settings verified), and the photocell has been

exposed to light for 16 hours, apply power. The light intensity

threshold levels can be calibrated when the desired outdoor

light level has occurred.

NOTES:

— Calibration achieves best results when making

adjustments at or near the light conditions

required for switching the equipment.

— Attempting calibration at extreme light conditions

can cause switching to be unachievable.

1. At the desired outdoor light level place SET-RUN switch

to the SET position.

2. Slowly rotate stage 1 light level potentiometer counter-

clockwise until the stage 1 LED lights.

3. Stage 1 is now calibrated to the light level existing at the

sensor and the stage 1 load is energized.

4. Return the SET-RUN switch to the RUN position.

NOTE: To calibrate stage 2, repeat this process

except adjust the stage 2 light level

potentiometer.

IMPORTANT

After initial setup is complete, make certain the

switch is in the RUN position to avoid short cycling

the loads.

NOTE: The SET-RUN switch removes the integrating time

delay (short-cycle protection) circuitry in the SET

position. In the RUN position (normal operation) the

calibrated light level must be present for 30 seconds

before the load switches.

63-2180—1 B.B. Rev. 9-01 www.honeywell.com

Printed in U.S.A. on recycled

paper containing at least 10%

post-consumer paper fibers.

Home and Building Control Home and Building Control Honeywell International Honeywell Europe Honeywell Latin American

Honeywell Honeywell Limited-Honeywell Limitée Home and Building Control S.A. Region

1985 Douglas Drive North 35 Dynamic Drive Honeywell Building 3 Avenue du Bourget 480 Sawgrass Corporate Parkway

Golden Valley, MN 55422 Scarborough, Ontario 17 Changi Business Park Central 1 1140 Brussels Suite 200

M1V 4Z9 Singapore 486073 Belgium Sunrise FL 33325

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