Honeywell Design and Application User Manual

Section 17 - Retrofit and Upgrades
183 Honeywell Economizers 63-8594-02
Section 17 - Retrofit and Upgrades
From Upgrade to
Honeywell T7100, T7300, T7350, T7400 or
competitive commercial or residential
thermostats
Honeywell TB7220 or TB8220 commercial thermostats
Prestige® IAQ thermostat (THX9421R5013) and EIM
(THM5421R1013) OR Prestige®/EIM Y pack
(YTHX9421R5051)
Economizer control systems without
integration of the first stage of cooling from
the commercial thermostat.
Solid State Economizer Controller
JADE
TM
W7220A controller with C7250 Mixed air and C7250
Outdoor air sensor for dry bulb or C7400S enthalpy sensor.
See section 11 for JADE
TM
information.
Economizer controls such as the W859
with temperature based remote bulb
controllers as the changeover devices.
Economizer control systems with an
electromechanical enthalpy based control
such as the H205 as the changeover
device.
Economizer control systems with single
sensor enthalpy such as H705 or W7459.
JADE
TM
W7220A controller with C7250 Mixed air and C7250
Outdoor air sensor for dry bulb or C7400S enthalpy sensor.
See section 11 for JADE
TM
information.
Economizer control systems without
demand control of ventilation (DCV) or
indoor air content sensors such as H705,
W7459, or W6210 and W7210. Variable air
volume air handlers without occupancy
based demand control ventilation.
Enhances Economizer Controller
JADE
TM
W7220A controller with C7250 Mixed air and C7250
Outdoor air sensor for dry bulb or C7400S enthalpy sensor.
See section 11 for JADE
TM
information. Add a CO2 sensor
for the demand control ventilation function.
C7232, C7262 or C7632 carbon dioxide sensor for demand
control ventilation to maximize heating and cooling season
energy cost savings.

Honeywell Design and Application Specifications

General

Brand	Honeywell
Model	Design and Application
Category	Controller
Language	English