York Eco 2 - Exhaust Fan Modulating Control (VFD)

23
JOHNSON CONTROLS
FORM 100.50-SU3 (1207)
An atmospheric static pressure probe with a bracket is
factory supplied (shipped in the return section of the
unit) and is to be installed on the specifi ed support post
(see Appendix 1). A barbed fi tting is already factory
installed on the support post, and should be used to
connect the atmospheric probe using fi eld supplied
pneumatic tubing.
Programming
“POWER EXHAUSR INSTALLED” – must be turned
ON using Parameter 43 under the PROGRAM key on the
Simplicity control board or under the ECONOMIZER /
EXHAUST tab in the Simplicity PC software.
“BUILDING STATIC PRESSURE SENSOR
INSTALLED” – must be turned ON using Parameter
85 under the PROGRAM key on the Simplicity control
board or under the EQUIPMENT INSTALLATION tab
in the Simplicity PC software.
“BUILDING PRESSURE SETPOINT” – must be
programmed using Parameter 31 under the PROGRAM
key on the Simplicity control board or under the
ECONOMIZER / EXHAUST tab in the Simplicity PC
software. The range is –0.25 TO +0.25 INWC with a
default valve of +0.1 INWC.
“MODULATING POWER EXHAUST INSTALLED”
– must be turned ON using Parameter 44 under the
PROGRAM key on the Simplicity control board or
under the ECONOMIZER / EXHAUST tab in the
Simplicity PC software.
“EXHAUST DAMPER POSITION FOR EXHAUST FAN
TO TURN ON” – must be programmed using Parameter
46 under the PROGRAM key on the Simplicity control
board or under the ECONOMIZER/EXHAUST tab in
the Simplicity PC software. The range is 0 – 100% with
a default valve of 80%.
“EXHAUST DAMPER POSITION FOR EXHAUST FAN
TO TURN OFF” – must be programmed using Parameter
47 under the PROGRAM key on the Simplicity control
board or under the ECONOMIZER/EXHAUST tab in
the Simplicity PC software. The range is 0 – 100% with
a default valve of 20%.
EXHAUST – MODULATING WITH A VFD
Field Wiring
No additional connections required.
Misc. Connections
Pneumatic tubing must be fi eld-supplied and installed
from the building pressure transducer “high” side
connection to a fi eld supplied pressure probe installed
in the conditioned space. The probe should be installed
in a location where the building pressure is most critical.
The building static pressure transducer is mounted in
the control compartment.
An atmospheric static pressure probe with a bracket is
factory supplied (shipped in the return section of the
unit) and is to be installed on the specifi ed support post
(see Appendix 1). A barbed fi tting is already factory
installed on the support post, and should be used to
connect the atmospheric probe using fi eld supplied
pneumatic tubing.
Programming
“POWER EXHAUST INSTALLED” – must be turned
ON using Parameter 43 under the PROGRAM key on the
Simplicity control board or under the ECONOMIZER /
EXHAUST tab in the Simplicity PC software.
“BUILDING STATIC PRESSURE SENSOR
INSTALLED” – must be turned ON using Parameter
85 under the PROGRAM key on the Simplicity control
board or under the EQUIPMENT INSTALLATION tab
in the Simplicity PC software.
“BUILDING PRESSURE SETPOINT” – must be
programmed using Parameter 31 under the PROGRAM
key on the Simplicity control board or under the
ECONOMIZER / EXHAUST tab in the Simplicity PC
software. The range is –0.25 TO +0.25 INWC with a
default valve of +0.1 INWC.
“EXHAUST VFD INSTALLED” – must be turned ON
using Parameter 45 under the PROGRAM key on the
Simplicity control board or under the ECONOMIZER
/ EXHAUST tab in the Simplicity PC software.