Mechanical Faq Section; Figure 11 Example Remote Epo Switch Connection - Data Aire DAPA-2.5 Installation, Operation & Maintenance Manual

Figure 11 Example Remote EPO Switch Connection

Question 10: What is a time delay fuse? Answer: Time delay fuses are used in general on
circuits with induction load that have initial surges of electrical power when the motor starts.
Induction loads may be motor, pump, etc.
Question 11: What is a fast-acting fuse? Answer: Fast acting delay fuses are used in general
on circuits with resistance load that have initial surges of electrical power when the resistance
load starts. Resistance loads may be electric heat, humidifier, etc.
Question 13: Where is the unit wiring diagram? Answer: Each unit is shipped with wiring
diagram inside the electrical control enclosure. Contact Service Department for replacement
wiring diagram, if necessary.
Question 14: What is the electrical rating for the unit? Answer: The electrical ratings are
located on the unit serial name plate label.
Question 15: What is the SCCR rating for the unit? Answer: SCCR is short circuit current
rating. Unless specified, the SCCR rating is 10 kA root mean square symmetrical, 600 volts
maximum.

Mechanical FAQ Section

Question 1: What piping sizes should be used to connect split air-cooled Data Aire units?
Answer: The best way to get this information is to review the Installation, Operations and
Maintenance manual that comes with the unit. If you cannot locate the manuals, they are
also available on this website in the Download Literature section.
Question 2: How much clearance around my Data Aire unit is required for servicing? Answer:
Data Aire recommends a minimum of 36" on two sides of ceiling mounted units. Units with
EC motor and plug fans require 40" on the front and two sides.
Question 3: Are traps required in refrigerant piping run with air-cooled units? Answer: Yes,
trapping is required on both the discharge and/or suction lines. See section 2.25 Condensate
Drain for more information.
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