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JADE™ Economizer Module
(MODEL W7220)
INSTALLATION INSTRUCTIONS
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.
DCV (CO ) Sensor (C7232): 2-10 Vdc control signal;
2
minimum impedance >50k ohm.
Outputs
Actuator signal: 2-10 Vdc; minimum actuator impedance is
2k ohm; Sylkbus two-wire output for Honeywell Sylkbus
communicating actuators.
Exhaust fan, Y1, Y2 and AUX1 O: Contact closu
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JADE™ ECONOMIZER MODULE INSTALLATION AND SETUP CAUTION Equipment Damage Hazard. The Economizer module may be mounted in any orientation. Electrostatic discharge can short equipment However, mounting in the orientation shown above permits circuitry. proper viewing of the LCD display and use of the keypad. Ensure that you are properly grounded before handling the unit. NOTE: Jade will be in the "set up" mode for the first 60 minutes after powered. If a sensor for OA air or Each terminal can
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JADE™ ECONOMIZER MODULE ROOF TOP UNIT MA TEMP W7220 ECONOMIZER CONTROLLER MODULE SENSOR Y1 W1 G 20K NTC O/B W2 OCC Y2 3 1K1 MA AUX2-I MA OCC OAT 1 OA TEMP E-GND OAT SENSOR 20K NTC AUX1-0 Y2I CO2 IAQ (2-10V) SENSOR IAQ COM Y2O IAQ 24V 2-10 VDC Y1I (OPTIONAL) ACT (2-10V) Y1O ACT COM C R ACT 24V TR 1K1 R(+) TR1 M7215 24 VAC (OPTIONAL COMMUNICATING DCA) IN C(-) + IN - 2 1 NOTE THAT THE C7250 20K NTC SENSOR CAN BE MOUNTED IN THE OAT ONLY IN THIS CONFIGURATION. WHEN USING A HEAT PUMP THERMOSTAT OR A
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JADE™ ECONOMIZER MODULE ROOF TOP UNIT MA TEMP SENSOR W7220 ECONOMIZER CONTROLLER MODULE 20K NTC O/B Y1 W1 G OCC Y2 W2 3 1K1 MA AUX2-I MA OCC OA TEMP OA 1 E-GND OA SENSOR 20K NTC AUX1-0 Y2I CO2 IAQ (2-10V) SENSOR IAQ COM Y2O 2-10 VDC IAQ 24V Y1I (OPTIONAL) ACT (2-10V) Y1O ACT COM C R ACT 24V 1K1 R(+) 24 VAC C(-) MS7503 OR MS7505 2 3 1 NOTE THAT THE 20K NTC SENSOR CAN BE MOUNTED IN THE OA TERMINALS ONLY IN THIS CONFIGURATION. THERMOSTAT 2 WHEN USING A HEAT PUMP THERMOSTAT OR A PROGRAMMABLE THERMO
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JADE™ ECONOMIZER MODULE 2 ROOF TOP UNIT MA TEMP SENSOR W7220 ECONOMIZER CONTROLLER MODULE 20K NTC O/B Y1 W1 G OCC Y2 W2 4 1K1 MA AUX2-I MA OCC E-GND S-BUS AUX1-0 S-BUS Y2I CO2 IAQ (2-10V) SENSOR IAQ COM Y2O 2-10 VDC IAQ 24V Y1I (OPTIONAL) ACT (2-10V) Y1O ACT COM 1K1 ACT 24V C R TR R(+) 24 VAC TR1 M7215 C(-) IN + 3 IN - THERMOSTAT OUTSIDE AIR TEMP/HUMIDITY (ENTHALPY) 1 IN THIS CONFIGURATION, AN OPTIONAL DISCHARGE AIR TEMP/HUMIDITY SYLKBUS SENSOR (ENTHALPY) SYLKBUS SENSOR CAN BE ADDED FOR ADVANC
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JADE™ ECONOMIZER MODULE 2 ROOF TOP UNIT MA TEMP SENSOR W7220 ECONOMIZER CONTROLLER MODULE 20K NTC O/B Y1 W1 G OCC Y2 W2 4 1K1 MA AUX2-I MA OCC E-GND S-BUS S-BUS AUX1-0 Y2I CO2 IAQ (2-10V) SENSOR IAQ COM Y2O 2-10 VDC IAQ 24V Y1I (OPTIONAL) ACT (2-10V) Y1O ACT COM 1K1 ACT 24V C R R(+) 24 VAC C(-) MS7503 OR MS7505 3 3 OUTSIDE AIR TEMP/HUMIDITY (ENTHALPY) THERMOSTAT SYLKBUS SENSOR 1 IN THIS CONFIGURATION, AN OPTIONAL DISCHARGE AIR TEMP/HUMIDITY (ENTHALPY) SYLKBUS SENSOR CAN BE ADDED FOR ADVANCED
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JADE™ ECONOMIZER MODULE ROOF TOP UNIT MA TEMP SENSOR W7220 ECONOMIZER CONTROLLER MODULE 20K NTC O/B Y1 W1 G OCC Y2 W2 4 1K1 MA AUX2-I MA OCC E-GND S-BUS S-BUS AUX1-0 Y2I CO2 IAQ (2-10V) SENSOR IAQ COM Y2O 2-10 VDC IAQ 24V Y1I (OPTIONAL) ACT (2-10V) Y1O ACT COM 1K1 ACT 24V C R R(+) 1 24 VAC C(-) 2 2 MS3103J 3 S-BUS OR MS3105J 3 S-BUS 4 5 THERMOSTAT 1 IN THIS CONFIGURATION, AN OPTIONAL DISCHARGE AIR TEM/HUMIDITY (ENTHALPY) SYLKBUS SENSOR CAN BE ADDED FOR ADVANCED C7400S CONTROL AS SHOWN IN THE
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ENTHALPY JADE™ ECONOMIZER MODULE ECONOMIZING DUAL ENTHALPY AVAILABLE HIGH LIMIT NOT AVAILABLE SINGLE ENTHALPY P2 (T,RH) P1 (T,RH) ES5 ES4 ES3 ES2 ES1 HL TEMPERATURE M32286 Fig. 8. Single Enthalpy curves and boundaries. Table 1. Single Enthalpy and Dual Enthalpy High Limit Curves. Point P1 Point P2 Enthalpy Temp. Temp. Enthalpy Curve Dry-Bulb (°F) Dewpoint (°F) (btu/lb/da) Temp. °F Humidity %RH Temp. °F Humidity %RH ES1 80.0 60.0 28.0 80.0 36.8 66.3 80.1 ES2 75.0 57.0 26.0 75.0 39.6 63.3 80.0
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JADE™ ECONOMIZER MODULE To clear an alarm, perform the following: Table 2. Alarms Menu. 1. Navigate to the desired alarm. 2. Press the ↵ button. Menu Alarm 3. ERASE? displays. ALARMS(_) MA T SENS ERR 4. Press the ↵ button. 5. ALARM ERASED displays. CO2 SENS ERR 6. Press the button (MenuUp/Exit) to complete the OA T SENS ERR action and return to the previous menu. DA ENTHL ERR a SYS ALARM NOTE: If an alarm still exists after you clear it, it re-dis- b plays within 5 seconds. ACT Over Voltage
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JADE™ ECONOMIZER MODULE COMMON INSTALLATION ISSUES AND CONCERNS Table 3. Installation Issues and Concerns. Area Issue or Concern Possible Cause and Remedy Configuration Are the old sensors in the unit No, the C7400A and C7150 sensors are not compatible with the W7220. The enthalpy sensor (C7400A, C7150 or C7232) for the W7220 is the C7400S. The Mixed Air or Outdoor air dry bulb sensors are the C7250A. compatible with the economizer The C7232 CO sensor is compatible with the W7220. 2 controller
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JADE™ ECONOMIZER MODULE Table 3. Installation Issues and Concerns. (Continued) Area Issue or Concern Possible Cause and Remedy Operation or Use My outdoor temperature Check the sensor wiring. Enthalpy sensors are to be wired to the Sylk Bus terminals. reading on the STATUS menu is Temperature sensors are to be wired to the OAT and MAT terminals. not accurate. If my enthalpy sensor drifts in The sensors are not able to be re-calibrated in the field. However there is a menu item under accuracy
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JADE™ ECONOMIZER MODULE Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North ® U.S. Registered Trademark Golden Valley, MN 55422 © 2012 Honeywell International Inc. 62-0331—07 M.S. Rev. 02-12 customer.honeywell.com Printed in United States
