13
Ultra Air Refrigerated Dryers
201 Series Instruction Manual
Problem: Drain valve not discharging moisture (continued)
Symptom
Possible cause
Solution
No response to drain
1. No electrical power
1. Check power supply and connections
test button
2. Timer board malfunction
2. Replace timer board
Problem: Float drain will not seal
Symptom
Possible cause
Solution
Constant air flow through
1. Clogged or defective float
1. Clean or replace float
drain tube
Problem: Dryer blows fuses
Symptom
Possible cause
Solution
Fuses blow at startup
1. Loose or defective wiring
1. Contact electrician to inspect and repair
Problem: Digital readout not working
Symptom
Possible cause
Solution
Readout shows “ERR”
1. Corresponding temperature probe is opened
1. Check probe connections or replace probe
for temperature reading
1.
or shorted
Display blank or erratic
1. No power to board or blown T-630 mA fuse
1. Check power supply to control board and replace
2. Defective control board
1.
fuse if needed
2. Replace control board
Warranty
All UA201 Series standard refrigerated air dryers, model UA201-10 through UA201-2000, manufactured by Ultra Air Products, Inc
are warranted to be free from defective materials and workmanship for a period of two years from date of shipment from Ultra
Air's factory. Said warranty covers all parts and labor (this excludes routine preventative maintenance and adjustments). In addi-
tion to the standard two year warranty, an extended three years on all original parts will be covered on a prorated basis
(excludes labor and prefilter element):
Year
% of Part Covered
3
60%
4
40%
5
20%
REFRIGERATED AIR DRYER INSTRUCTION MANUAL
Standard Control Panel
UA 201 Dryers come standard with a control panel that allows you
to control the following operations and gives the following indica-
tions:
1. Dryer on/off
2. Power on light
3. Dryer on light
4. Drain open light
5. Drain push to test button
6. Drain closed adj. time 1-100 minutes
7. Drain open adj. time .5-10 seconds
8. Control circuit fuse
The optional electronic control panel provides additional tempera-
ture readouts and adjustments (see page 14).
The equipment must be properly maintained and used in accordance with instructions or all warranty is void.
