Haskris Model R1600 Preventative Maintenance (PM)
Copyright © 2011 Haskris Company
45
www.haskris.com
Version R1600-X-R407C-XXX Instruction Manual Rev00
PM System Check
PM System Check
PM System Check
PM System Check
PM SYSTEM CHECK SHOULD BE PERFORMED BY A HASKRIS AUTHORIZED
REPRESENTATIVE.
3.
Install refrigeration manifold gauge on both high and low side.
4.
Access the R1600 Control Panel (See Section 4) in the upper half of the
R1600.
5.
Confirm the Cooling Mode – Stop - Pump Only Mode toggle switch is in the
COOLING MODE position (to the left). See R1600 Control Panel description
at the beginning of Section 4 for more details.
6.
Confirm both displays are lit (Temperature Control/Display and Head Pressure
Display). Notify on-site Haskris Authorized Representative if these displays are
not energized. Do not proceed with the PM System Check if both displays are
not lit.
7.
7.
7.
7.
Check to make sure all external piping is leak-tight and that the system is
operating satisfactorily.
8.
Begin filling out PM Data Log Sheet (Replace all sheet metal panels except
outer panel at R1600 Control Panel.)
o
To record electrical data for Fan Motor Inverter, lower head pressure on
Head Pressure Display to drive condenser fan motors to full speed per steps
below:
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 220.
(Use the
key to increase the head pressure value.)
4.
Press both
keys simultaneously when done to return to the
default display.
9.
System should remain on and operational under load.
10.
Remove refrigerant manifold gauge.
11.
Add glycol solution to the reservoir as necessary to maintain tank full level.
Fill system to tank full level as viewed on the liquid level indicator (See Figure
2.11).
12.
Clean condenser coil, if required, as outlined in Section 5.3.
13.
Close control box and replace all sheet metal panels on the R1600.
!!!!