FORM 145.05-SU3 (611)
ISSUE DATE 6/01/2011
JOHNSON CONTROLS
27
APPENDIX 2 - FACTORY RUN TEST PROCEDURE
• On constant volume units press the SERVICE key
and use the down arrow key to navigate to the
digital output (DO) SUPPLY FAN screen. Press
the check key (√ ) and use the right arrow key to
change the OFF to ON. Press the check key (√ ).
The blower will start.
• In addition on VAV units use the down arrow key
to navigate to the analog output (AO) SUPPLY
FAN VFD screen. Press the check key (√ ) and
use the numerical keypad to enter 50. Press the
check key (√ ). The supply fan will operate at ap
-
proximately 42 Hertz.
During this test sequence, the supply fan
blower will operate at 42 hertz. Make sure
this speed will not result in a static pres-
sure which could damage the building
supply duct system.
Press the SERVICE key and use the down arrow key to
navigate to the FACTORY RUN TESTER screen and
reenter the run test mode. Use the down arrow key to
move to the STAGE ELECTRIC HEAT TEST screen.
Once underway, the controller will Set HEAT STAGE
OUTPUT 1 to ON.
Prompt Message #1
HEAT STAGE 1 ON? Check to verify that the contactor
for HEAT STAGE 1 is ON and if the fuses are installed,
voltage is present at the HEAT STAGE 1 heater ele-
ment. If operating properly press the check key (√ ) to
accept. If contactor and/or heater element did not come
on determine why and correct the problem.
If an accept is not received in 60 seconds, the screen
will indicate FAIL and all outputs will be homed. Once
accepted, perform the following:
1. Se t HEAT STAGE 1 output to OFF.
2. Set HEAT STAGE 2 output to ON.
Prompt Message #2
HEAT STAGE 2 ON? Check to verify that the contactor
for HEAT STAGE 2 is ON. If the fuses are in verify
voltage is present at the HEAT STAGE 2 heater ele-
ment. If operating properly, press the check key (√ ) to
accept. If contactor and/or heater element did not come
on, determine why and correct the problem.
If an accept is not received in 60 seconds, the screen
will indicate FAIL and all outputs will be homed.
This will be repeated until all stages have been turned
ON and Accepted. Once the last stage has been turned
ON and Accepted, PASS will be indicated.
To turn off the supply fan place the UNIT rocker
switch to the ON position and then back to OFF. You
must reset the SUPPLY FAN VFD setting back to 0%.
To do this, enter the SERVICE menu and use the down
arrow key to navigate to the analog output (AO) SUP-
PLY FAN VFD screen. Press the check key (√ ) and
use the numerical keypad to enter 0. Press the check
key (√ ). The analog output for the supply fan will now
be set back to 0.