Replacement; Mtbf And Reliability; Mtbf; Relibability - Delta HEX150PC Instruction Manual

Test
Power on and depress "TEST" button on panel to proceed with
auto test . Follow LED status to check that HEX has resumed to normal
function after maintenance .

6-2. Replacement

Delta HEX is designed with dry contact alarm output and LED
indicator on panel shown below to describe abnormal situation .
Refer to Section 4-1 for checking abnormal part is internal fan ,
external fan or controller for abnormalities .
In cases of parts abnormality , Delta will follow the reading and submit
spare part(s) below for replacement .
Internal fan P/N : AFB1548EH-BJ51
External fan P/N : AFB1548VH-CA18
Controller P/N : HEX150PC-000C
User can then refer to maintaince sequence on previous page , or
request Delta authorized support for assistance .

7. MTBF and Reliability

7-1. MTBF

L10 Fan life is expected to be minimum 80,000 hours continuous
operation at 40° C with 15 ~ 65%RH .@ label rated vo ltage

7-2. Relibability

High temperature
Low temperature
High temp. / High humidity
Temperature cycle
Vibration
Ingress protection
(External side)
Package bump
Test item
Page 8
HEX150PC Heat Exchanger Instruction Manual
Condition
IEC 60068-2-2
IEC 60068-2-1
IEC 60068-2-14 TEST Nb
IEC 60068-2-3
ETSI 300 019-1-4 CLASS 4.1
IEC 60529 IP55 (NEMA 3)
GR-487 720hrs salt spray
IEC 60068-2-29