17
.
XI. Trouble-Shooting
Each Kooltronic Air Conditioner is engineered for performance and built for reliability. They are designed to
require only routine maintenance. If your air conditioner should require warranty service, please
contact Kooltronic. If you require service out of warranty, we have compiled a trouble-shooting chart
to assist your service personnel. If additional assistance is required, contact Kooltronic at (609) 466-3400
.
Problem
Cause
Solution
Unit does not run.
No Power.
Check Power Source and electrical connection.
Check unit ON-OFF switch (UL Listed units only).
Check unit power cord connection to terminal block.
CAUTION
E. Relocation
If your Kooltronic HL Series Air Conditioner has to be moved to another location by truck, the following
precautions should be taken:
■
De-mount the air conditioner from the equipment, controller or enclosure (
see below: Removing Air
Conditioner from Pressurized Enclosure
.)
■
Conform to the applicable provisions of PROCEDURE FOR PROPER PACKING AND SHIPMENT OF
KOOLTRONIC AIR CONDITIONERS in this manual under
Section III. "PRODUCT HANDLING".
F. Removing Air Conditioner from Pressurized Enclosure
Before removing a Kooltronic HL Series Air Conditioner from a pressurized enclosure, it must be confirmed that
the temperature of the internal parts do not exceed Temperature Class (T Codes) for Class I, Division 1 and
Class I, Zone 1 locations for the pressurized enclosure. If an internal heater is used in the air conditioner,
internal part temperature will be at maximum. See table below for heater temperature after air conditioner is
de-energized.
Refer to the data on the unit nameplate which specifies the type of refrigerant and the amount of
charge in ounces.
K3A4C12HL56LV HEATER COOLING TIME
T
E
M
P
E
R
A
T
U
R
E
D
E
G
R
E
E
S
F
800
700
600
500
400
300
0
Time, Minutes
200
100
0
5
10
15
20
25
30
Maintenance (con’t)
