Section 3:
Start-Up
Copyright © 2011 Haskris Company
21
www.haskris.com
Version R1600-X-R407C-XXX Instruction Manual Rev00
1.
On the Head Pressure Display (See Section 4), press and hold
the
key repeatedly to lower the head pressure value until
the fans begin to run at full speed.
2.
Measure and record amperage and voltage at the Fan Motor
Inverter Contactor in main electrical enclosure.
3.
Repeat the step 1 above to increase the head pressure value
to the original pre-set value of 240.
(Use the
key to increase the head pressure value.)
4.
Press both
keys simultaneously when done to return
to the default display.
•
System should remain on and operational under load.
•
Remove refrigerant manifold gauge.
•
Close control box and replace all sheet metal panels on the R120