CEStronics WT-I Fitting And Operating Instructions page 12

For your safety
4.4.6 Danger through environmental conditions
 Do not use the wall terminals in corrosive atmospheres
(chlorine, ammonia, lime water).
 Only use the wall terminals in rooms in which the humidity does
not exceed 95 %.
 Do not use the wall terminals in rooms with a high level of dust
formation.
 Do not use the wall terminals near sources of heat.
 Do not expose the wall terminals to temperatures below -25 °C
or above +70 °C.
4.4.7 Danger of malfunctions
Do not cover the reader in the wall terminals with metallic
material.
Page 12 of 80 OMEGA FLEX wall terminals WT-I/WT-II