JOHNSON CONTROLS
22
FORM 100.50-SU3 (1207)
EXHAUST FAN – ON/OFF CONTROL BASED ON
OUTDOOR DAMPER POSITION
Field Wiring
No additional connections required.
Misc. Connections
No additional connections required.
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.
“ECONOMIZER DAMPER POSITION FOR EXHAUST
FAN TO TURN ON”
– must be programmed using
Parameter 48 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 60%.
“ECONOMIZER DAMPER POSITION FOR EXHAUST
FAN TO TURN OFF”
– must be programmed using
Parameter 49 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 FAN – ON/OFF CONTROL BASED ON
BUILDING PRESSURE
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 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.
“ B U I L D I N G S TAT I C P R E S S U R E S E N S O R
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 FAN – MODULATING DAMPER WITH
FIXED SPEED EXHAUST
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.
