Honeywell JADE W7220 Installation Instructions Manual

JADE™ Economizer Module
(MODEL W7220)
This document describes wiring, power up, basic
troubleshooting, and common installation issues for the
JADE™ Economizer Module (Model W7220). For further
information on mounting and operation, refer to Honeywell
document 63-2700.

BEFORE INSTALLATION

Review the following before installing the The W7220:
Electrical
Rated Voltage: 20 to 30 Vac RMS; 50/60 Hz
Relay Contact Rating: 30 Vac
IMPORTANT
All inputs and outputs must be Class 2 wiring.
INSTALLATION INSTRUCTIONS
Inputs
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.
DCV (CO ) Sensor (C7232): 2-10 Vdc control signal; mini-
2
mum impedance >50k ohm.
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
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 Economizer module may be mounted in any orientation.
However, mounting in the orientation shown above permits
proper viewing of the LCD display and use of the keypad.
E4436
62-0331-03