Honeywell JADE W7220 Operation manual

PRODUCT DATA

63-2700-01

E4436

JADE™ Economizer Module

(MODEL W7220)

PRODUCT DESCRIPTION

The JADE™ Economizer System is an expandable

economizer control system, which includes a W7220

Economizer Module (controller) with an LCD and keypad. The

W7220 can be configured with optional sensors.

The W7220 Economizer Module can be used as a stand-

alone economizer module wired directly to a commercial set

back space thermostat and sensors to provide outside air dry-

bulb economizer control.

The W7220 Economizer Module can be connected to optional

Sylk Bus sensors for single or differential economizer control.

The W7220 Economizer Module provides power and

communications on the Sylk Bus for the Sylk Bus sensors.

The W7220 Economizer Module automatically detects

sensors by polling the Sylk Bus to determine which sensors

are present. If a sensor loses communications after it has

been detected, the W7220 Economizer indicates a device fail

error on its LCD.

System Components

The JADE™ Economizer System includes an Economizer

Module, 20k mixed air sensor, damper actuator, an optional

CO2sensor, and either a 20k outdoor air temperature sensor

or Sylk Bus sensors for measuring outside air and return air

enthalpy, temperature, and humidity.

Economizer Module

This is the core of the JADE™ Economizer System and

includes the user interface for the system. The W7220

Economizer Module provides the basic inputs and outputs to

provide simple economizer control. When used with the

optional Sylk Bus sensors, the Economizer Module provides

more advanced economizer functionality.

Sylk Bus Sensors (optional)

The Sylk Bus Sensor is a combination temperature and

humidity sensor which is powered by and communicates on

the Sylk Bus. Up to three sensors may be configured with the

JADE™ Economizer Module.

CO2Sensor (optional)

A CO2sensor (non-communicating or non-Sylk Bus) can be

added for Demand Control Ventilation (DCV).

Contents

Product Description .......................................................... 1

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

Before Installation ............................................................. 3

Installation and Setup ....................................................... 3

Mounting ........................................................................... 3

Wiring ............................................................................... 4

Wiring Application Examples ............................................ 7

Interface Overview ........................................................... 11

Setup and Configuration ................................................... 15

Checkout .......................................................................... 18

Troubleshooting ................................................................ 20

JADE™ ECONOMIZER MODULE

63-2700—01 2

SPECIFICATIONS

W7220A Economizer Module

The module is designed for use with any Honeywell 2 to 10

Vdc or Honeywell Sylkbus communicating actuator. The

module includes terminals for a CO2sensor, Mixed Air sensor,

and an Outdoor Dry Bulb sensor. Enthalpy and other options

are available with Sylk Bus sensors.

User Interface: Provides status for normal operation, setup

parameters, checkout tests, and alarms and error

conditions with a 2-line 16 character LCD display and a four

button keypad.

Electrical

Rated Voltage: 20 to 30 Vac RMS; 50/60 Hz

Nominal Power Consumption (at 24 Vac, 60 Hz): 11.5 VA

without sensors and actuator

Relay Contact Rating at 30 Vac (maximum power from

Class 2 input only): 1.5A run;

3.5A inrush @ 0.45PF (200,000 cycles) or

7.5A inrush @ 0.45PF (100,000 cycles)

External Sensors Power Output: 21 Vdc +/- 5% @ 48mA

IMPORTANT

All inputs and outputs must be Class 2 wiring.

Inputs

SENSORS:

NOTE: A Mixed air (MA) analog sensor is required on all

W7220 units; either an OA (Outdoor Air) sensor for

dry bulb change over or an OA Sylkbus sensor for

outdoor enthalpy change over is required in addition

to the MA sensor. An additional Return Air (RA)

Sylkbus sensor can be added to the system for

differential enthalpy changeover.

Dry Bulb Temperature and Mixed Air, C7250A:

2-wire (18 to 22 AWG);

Temperature range -40 to 150 °F (-40 to 65 °C).

Temperature and Humidity, C7400S1000 (optional):

Sylk Bus; 2-wire (18 to 22 AWG)

Temperature: range -40 to 150 °F (-40 to 65 °C)

Humidity: range 0 to 100% RH with 5% accuracy.

NOTE: Up to three (3) SYLK Bus sensors may be connected

to the JADE™ Economizer module.

DCV (CO2) Sensor (C7232):

2-10 Vdc control signal; minimum impedance >50k ohm.

4 Binary inputs:

1-wire 24 Vac + common GND (see page 5 for wiring

details). 24 Vac power supply: 20 to 30 Vac 50/60Hz;

100 VA Class 2 transformer.

Outputs

Actuator signal: 2-10 Vdc; minimum actuator impedance is

2k ohm

Exhaust fan and AUX: Contact closure (24 Vac)

24 Vac Out: 100 VA Class 2 transformer

Environmental

Operating Temperature: -40 to 150 °F (-40 to 65 °C).

Exception of display operation down to -4 °F with full

recovery at -4 °F from exposure to -40 °F

Storage Temperature: -40 to 150 °F (-40 to 65 °C)

Shipping Temperature: -40 to 150 °F (-40 to 65 °C)

Relative Humidity: 5% to 95% RH non-condensing

Dimensions (See Fig. 1 on page 2):

Height: 4.98 inches (126.4 mm)

Width: 6.3 inches (160 mm)

Depth: 1.34 inches (34 mm)

Weight: 0.58 lb. (0.265 kg)

Fig. 1. Dimensions in inches and (mm) showing mounting

holes.

4-63/64

(126)

6-19/64 (160)

MOUNTING HOLE (X2) M32273

3-5/32 (80)

JADE™ ECONOMIZER MODULE

363-2700—01

BEFORE INSTALLATION

Review the “Specifications” on page 2 before installing the The

JADE™ Economizer System.

When Installing This Product

1. Read these instructions carefully. Failure to follow them

could damage the product or cause a hazardous condi-

tion.

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

ensure 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.

INSTALLATION AND SETUP

The following installation procedures should be performed in

the order listed:

1. Mounting — see “Mounting” on this page.

2. Wiring — see “Wiring” on this page.

3. Interface and Programming overview – see page 11.

4. Setup and Configuration — see page 15

5. Checkout — see page 18.

Troubleshooting and Alarms begin on page 20.

MOUNTING

This section describes the mounting procedures for the

JADE™ Economizer module and the sensors.

Economizer Module Location and

Mounting

IMPORTANT

Avoid mounting in areas where acid fumes or other

deteriorating vapors can attack the metal parts of the

module’s circuit board, or in areas where escaping

gas or other explosive vapors are present.

IMPORTANT

The module must be mounted in a position that allows

clearance for wiring, servicing, and removal.

Mount the Economizer module on any convenient interior

location using the two mounting holes provided on the

enclosure using #6 or #8 screws (screws are not provided and

must be obtained separately). Use the dimensions in Fig. 1 on

page 2 as a guide.

The Economizer module may be mounted in any orientation.

However, mounting in the orientation shown in Fig. 1 on page 2

permits proper viewing of the LCD display and use of the

keypad.

Sensor Location and Mounting

The JADE™ Economizer W7220 uses digital sensors for

control. The MATaand OATbsensors are 20k NTC sensors. A

MAT sensor is required for all applications and is mounted in

the mixed air section of a rooftop unit either directly to the

sheet metal using self tapping sheet metal screws or in the air

stream using the duct mounting kit.

Optional OAT, RATcand DATdSylkbus sensors communicate

with the W7220 on the two-wire communication bus and can

either be wired using a two pin header or using a side

connector. Each Sylkbus sensor includes a two pin Euro

connector with the packaging. The SKU number of the Sylkbus

sensor is C7400S. All OAT, RAT and DAT sensors are the

same SKU number. The sensor is set for the appropriate type

of sensing using the three position DIP switch located on the

sensor. OAT position is OFF, OFF, OFF; RAT is ON, OFF, OFF

and DAT is OFF, ON, OFF. During installation the sensors are

set for the usage desired. See “Sylk Bus Sensor Wiring” on

page 6 for DIP switch details.

Once installed, a sensor can be changed to a different

application by simply changing the DIP switch setting.

aMAT = Mixed Air Temperature

bOAT = Outside Air Temperature

cRAT = Return Air Temperature

dDAT = Discharge Air Temperature

JADE™ ECONOMIZER MODULE

63-2700—01 4

Sensor Mounting

The sensors can be mounted directly on to the sheet metal of

unit or can be mounted in the air stream using the duct

mounting kit.

The kit contains a rod to hold the sensor in the duct, a flange to

secure the sensor rod to the duct wall and fill the hole and a

gasket to prevent air from leaking through the duct wall. See

Fig. 2.

The rod has slots for threading the wire to prevent loose or

hanging wire in the duct and can be adjusted for 6 or 12 inch

length. The flange has extended relief for ease of mounting.

See 3.

Fig. 2. Duct Mounting Kit (Part Nbr. 50053060-001).

Fig. 3. Duct Mounting Adjustments.

WIRING

All wiring must comply with applicable electrical codes and

ordinances, or as specified on installation wiring diagrams.

Module wiring in the field is terminated to the four screw

terminal blocks located on the left and right sides.

Module wiring at the OEM factory is terminated via the header

pin terminals located on the left and right sides. The header

terminal pins and the terminal blocks have common

terminations for the appropriate input or output. The part

number of the mating female connector for OEMs is 0035977.

The remainder of this section describes the wiring for the

JADE™ Economizer module, W7220A.

WARNING

Electrical Shock Hazard.

Can cause severe injury, death or property damage.

Disconnect power supply before beginning wiring, or

making wiring connections, to prevent electrical shock

or equipment damage.

CAUTION

Equipment Damage Hazard.

Electrostatic discharge can short equipment

circuitry.

Ensure that you are properly grounded before handling

the unit.

Economizer Module Wiring Method

Wire the sensors and outputs, then wire the power connection.

Each terminal can accommodate the following gauges of wire:

• Single wire – from 18 AWG to 22 AWG solid or stranded

• Multiple wires – up to two 22 AWG stranded

• For the 24 Vac connections: single wire – from 14 to 18

AWG solid or stranded

Prepare wiring for the terminal blocks, as follows:

1. Strip 1/2 in. (13 mm) insulation from the conductor.

2. Cut a single wire to 3/16 in. (5 mm). Insert the wire in the

required terminal location and tighten the screw.

3. If two or more wires are being inserted into one terminal

location, twist the wires together a minimum of three

turns before inserting them to ensure proper electrical

contact. See Fig. 4 on page 5.

4. Cut the twisted end of the wires to 3/16 in. (5 mm) before

inserting them into the terminal and tightening the screw.

5. Pull on each wire in all terminals to check for good

mechanical connection.

ROD - 1 PIECE

FLANGE - 1 PIECE

GASKET - 1 PIECE

M32281

WIRE HOLDER

EXTENDED RELIEF

(FOR CORRECT MOUNTING)

M32282

LENGTH ADJUSTS

TO 6 OR 12 INCHES

JADE™ ECONOMIZER MODULE

563-2700—01

Fig. 4. Attaching two or more wires at terminal blocks.

Economizer Module Wiring Details

The wiring connection terminals for each module/sensor are:

• “JADE™ Economizer Module Wiring” on this page.

• “Sylk Bus Sensor Wiring” on page 6.

JADE™ Economizer Module Wiring

Use Fig. 5 and Tables 1 and 2 to locate the wiring terminals for

the Economizer module.

NOTE: The four terminal blocks are removable. You can slide

out each terminal block, wire it, and then slide it back

into place.

Fig. 5. W7220 Economizer module terminal connection

labels.

1/2 (13)

1. STRIP 1/2 IN. (13 MM)

FROM WIRES TO

BE ATTACHED AT

ONE TERMINAL.

2. TWIST WIRES

TOGETHER WITH

PLIERS (A MINIMUM

OF THREE TURNS).

3. CUT TWISTED END OF WIRES

TO 3/16 IN. (5 MM) BEFORE INSERTING

INTO TERMINAL AND TIGHTENING SCREW.

THEN PULL ON EACH WIRE IN ALL

TERMINALS TO CHECK FOR

GOOD MECHANICAL CONNECTION.

M24382

JADE CONTROLLER

LEFT TERMINAL

BLOCK LABEL

RIGHT TERMINAL

BLOCK LABEL

M32283

Table 1. Economizer Module - Left hand terminal blocks.

Label Type Description

Top Left Terminal Block

MAT

20k NTC

and

COM

Mixed Air Temperature Sensor

(polarity insensitive connection)

OAT

20k NTC

and

COM

Outside Air Temperature Sensor

(polarity insensitive connection)

S-BUS

SYLK Bus Sylk Bus sensor

(polarity insensitive connection)

Bottom Left Terminal Block

IAQ COM COM Air Quality Sensor Common

IAQ 2-10 2-10 Vdc Air Quality Sensor Input

(e.g. CO2sensor)

IAQ 24V 24 Vac Air Quality Sensor 24 Vac Source

ACT 2-10 2-10 Vdc Damper Actuator Output (2-10 Vdc)

ACT COM COM Damper Actuator Output Common

ACT 24V 24 Vac Damper Actuator 24 Vac Source

Table 2. Economizer Module - Right hand terminal blocks.

Label Type Description

Top Right Terminal Block

n/a The first terminal is not used

SD-O/B 24 Vac IN Shut Down (SD) Conventional only

Heat Pump Changeover (O/B)

OCC 24 Vac IN Occupied / Unoccupied Input

E-GND EGND Earth Ground

EXH1 24 Vac OUT Exhaust Fan 1 Output

AUX 24 Vac OUT Programmable:

Exhaust fan 2 output

ERV

System Alarm output.

Bottom Right Terminal Block

Y2-I 24 Vac IN Y2 in - Cooling Stage 2 Input from

space thermostat

Y2-O 24 Vac OUT Y2 out - Cooling Stage 2 Output to

stage 2 mechanical cooling

Y1-I 24 Vac IN Y1 in - Cooling Stage 1 Input from

space thermostat

Y1-O 24 Vac OUT Y1 out - Cooling Stage 1 Output to

stage 1 mechanical cooling

C COM 24 Vac Common

R 24 Vac 24 Vac Power (Hot)

JADE™ ECONOMIZER MODULE

63-2700—01 6

Sylk Bus Sensor Wiring

Use Fig. 6 and Table 3 to locate the wiring terminals for each

Sylk Bus sensor.

Use Fig. 6 and Table 4 to set the DIP switches for the desired

use of the sensor.

Fig. 6. Sylk Bus sensor DIP switches.

Table 3. SYLK Bus Sensor Wiring Terminations.

Terminal

Type DescriptionNbr Label

1 S-BUS SYLK

Bus

Sylk Bus Communications

(Sensor Bus)

2 S-BUS SYLK

Bus

Sylk Bus Communications

(Sensor Bus)

Table 4. SYLK Bus Sensor DIP Switch Settings.

Use

DIP Switch Positions for Switches 1, 2, & 3

123

DAa

aDA = Discharge Air

OFF ON OFF

RAb

bRA = Return Air

ON OFF OFF

OAc

cOA = Outside Air

OFF OFF OFF

DIP

SWITCH

LABEL

M32271

SYLK BUS

TERMINALS

(1 AND 2)

DIP

SWITCHES

(3)

SYLK BUS

2 PIN “EURO”

CONNECTOR

JADE™ ECONOMIZER MODULE

763-2700—01

WIRING APPLICATION

EXAMPLES

This section describes the wiring configurations for the JADE™

Economizer system. The configurations are:

— “Stand-alone Economizer”

— “Economizer with Sylk Bus Sensors” on page 9

Stand-alone Economizer

The most basic configuration is the stand-alone Economizer

(see Fig. 7 and Fig. 8 on page 8).

A stand-alone Economizer is directly wired to sensors,

actuators, thermostat, and mechanical controls in the roof top

unit. It does not require Sylk Bus communications.

Fig. 7. Stand-alone dry bulb Economizer configuration with black motor M7215.

ROOF TOP UNIT

Y1O

Y2O

Y1I

Y2I

OCC

24 VAC

AUX

E-GND

Y1 G

O/B

W7220 ECONOMIZER CONTROLLER MODULE

THERMOSTAT

CO2

SENSOR

2-10 VDC

(OPTIONAL)

SD-O/B

OAT

C R

M28980

IAQ (2-10V)

IAQ COM

IAQ 24V

ACT (2-10V)

ACT COM

ACT 24V

OA TEMP

SENSOR

20K NTC

M7215

(OPTIONAL COMMUNICATING DCA)

NOTE THAT THE C7250 20K NTC SENSOR CAN BE MOUNTED IN THE OAT ONLY IN THIS CONFIGURATION.

IF THE COMMUNICATING ACTUATOR IS USED, IT IS CONNECTED TO THE S-BUS TERMINALS USING

2-WIRE SYLKBUS WIRING.

MA TEMP

SENSOR

20K NTC

TR1

JADE™ ECONOMIZER MODULE

63-2700—01 8

Fig. 8. Stand-alone dry-bulb Economizer configuration with Honeywell MS7503 Direct Coupled Actuator.

ROOF TOP UNIT

Y1O

Y2O

Y1I

Y2I

OCC

24 VAC

AUX

E-GND

Y1 G

O/B

W7220 ECONOMIZER CONTROLLER MODULE

THERMOSTAT

CO2

SENSOR

2-10 VDC

(OPTIONAL)

SD-O/B

OAT

C R

M32284

IAQ (2-10V)

IAQ COM

IAQ 24V

ACT (2-10V)

ACT COM

ACT 24V

OA TEMP

SENSOR

20K NTC

MS7503

(OPTIONAL COMMUNICATING DCA)

NOTE THAT THE C7250 20K NTC SENSOR CAN BE MOUNTED IN THE OAT ONLY IN THIS CONFIGURATION.

IF THE COMMUNICATING ACTUATOR IS USED, IT IS CONNECTED TO THE S-BUS TERMINALS USING

2-WIRE SYLKBUS WIRING.

MA TEMP

SENSOR

20K NTC

JADE™ ECONOMIZER MODULE

963-2700—01

Economizer with Sylk Bus Sensors

A standalone economizer with Sylk Bus sensors has additional

sensors attached using Sylk Bus communications (see Fig. 9

and Fig. 10 on page 10). The Sylk Bus reduces wiring

requirements while providing additional functionality.

Fig. 9. Economizer with Sylk Bus sensors for enthalpy configuration with Honeywell M7215 black motor.

S-BUS

OUTSIDE AIR

TEMP/HUMIDITY (ENTHALPY)

SYLKBUS SENSOR

DISCHARGE AIR

TEMP/HUMIDITY (ENTHALPY)

SYLKBUS SENSOR

ROOF TOP UNIT

Y1O

Y2O

Y1I

Y2I

OCC

AUX

E-GND

Y1 G

O/B

W7220 ECONOMIZER CONTROLLER MODULE

THERMOSTAT

SD-O/B

C R

M28979

IN THIS CONFIGURATION, THE MAT IS REQUIRED AND AN OPTIONAL DISCHARGE

AIR TEM/HUMIDITY (ENTHALPY) SYLKBUS SENSOR CAN BE ADDED FOR

ADVANCED CONTROL AS SHOWN IN THE LOWER LEFT OF THIS FIGURE.

MA TEMP

SENSOR

20K NTC

IF THE COMMUNICATING ACTUATOR IS USED, IT IS CONNECTED TO THE S-BUS

TERMINALS USING 2-WIRE SYLKBUS WIRING.

24 VAC

CO2

SENSOR

2-10 VDC

(OPTIONAL)

IAQ (2-10V)

IAQ COM

IAQ 24V

ACT (2-10V)

ACT COM

ACT 24V

M7215

(OPTIONAL COMMUNICATING DCA)

TR1

JADE™ ECONOMIZER MODULE

63-2700—01 10

Fig. 10. Economizer with Sylk Bus sensors for enthalpy configuration with a Honeywell MS7305 Direct Coupled Actuator.

OUTSIDE AIR

TEMP/HUMIDITY (ENTHALPY)

SYLKBUS SENSOR

DISCHARGE AIR

TEMP/HUMIDITY (ENTHALPY)

SYLKBUS SENSOR

ROOF TOP UNIT

Y1O

Y2O

Y1I

Y2I

OCC

AUX

E-GND

Y1 G

O/B

W7220 ECONOMIZER CONTROLLER MODULE

THERMOSTAT

SD-O/B

C R

M32285

IN THIS CONFIGURATION, THE MAT IS REQUIRED AND AN OPTIONAL DISCHARGE

AIR TEM/HUMIDITY (ENTHALPY) SYLKBUS SENSOR CAN BE ADDED FOR

ADVANCED CONTROL AS SHOWN IN THE LOWER LEFT OF THIS FIGURE.

MA TEMP

SENSOR

20K NTC

MS7503

(OPTIONAL COMMUNICATING DCA)

IF THE COMMUNICATING ACTUATOR IS USED, IT IS CONNECTED TO THE S-BUS

TERMINALS USING 2-WIRE SYLKBUS WIRING.

S-BUS

CO2

SENSOR

2-10 VDC

(OPTIONAL)

IAQ (2-10V)

IAQ COM

IAQ 24V

ACT (2-10V)

ACT COM

ACT 24V

MS7503 24 VAC

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