User's Manual

Confidential

PRODUCT SPECIFICATION

2017 Wall Controls

Rev. 0.2

23Sep2016

Page 15 of 18 Models: K6927, K6731, K6300 Written by:

Charles Mckee

Hunter Fan Company Confidential 15

X. Design Test Requirements

A. Life Testing:

1. ALT (Accelerated Life Testing)

a) A sample size of 30 units must be subjected to the

following test conditions for a total of 5 weeks:

(1) 5ºC / R.H.40% +/- 5% for 1 hour

(2) Ramp/transition to 85ºC / R.H. 90% for 1 hour

(3) 85 ºC / R.H. 90% +/- 5% for 10 hours

(4) Ramp/transition to 5 ºC / R.H. 40% for 1 hour

(5) Repeat steps until 5 week duration is complete.

2. HALT (Highly Accelerated Life Testing)

a) A sample size of 5 units each must be subjected to the

following tests:

(1) Cold Thermal Step Stress: -20

C (-4

(2) Hold Thermal Step Stress: >+110

C (+230

(3) Rapid Thermal Transition: 35 Grms (Gravity Root

Mean Squared)

(4) Vibration Step Stress: 45 Grms

(5) Combined Environment: 5 rapid temperature

cycles from -20

C to 110

C combined with vibration

ranging from 7 ~ 35Grms.

XI. Factory Test Requirements

According to R&D-20, section III.

XII. Warranty Period

One Year