JOHNSON CONTROLS
162
FORM 150.67-NM2
ISSUE DATE: 01/31/2019
SECTION 8 – UNIT OPERATION
When a fan stage is turned off (programmed on pres-
sure minus programmed differential), the off pressure
for the next stage is decreased 20 PSIG and ramped
back to the programmed off pressure minus the differ-
ential over the next 20 seconds.
A low ambient kit MUST be installed when
“AMBIENT CONTROL LOW AMBI-
ENT” is selected under the OPTIONS key.
Compressor damage could occur if
programming does not match installed
hardware.
Detailed Standard Fan Control operation is shown in
Table 22 on page 163 and Table 23 on page 163.
To Next Page
Loading...
Need help?
General
