Specifications

151
NLUO PMC CONTRACTOR
SIGNATURE AND SEAL SIGNATURE AND SEAL SIGNATURE AND SEAL
3.2 Safety Interlocks:
Operation of heaters & humidifiers shall be possible only when blower fan is in operation.
3.3 Sequencing:
The sequencing should be feature of the PAC units. The units shall be designed to work for equal no of run hours also in
case of fault the stand by unit should start.
Microprocessor Controls:
3.4 Following information shall be available on the display on the units:
a) Room temperature and humidity.
b) Supply fan working status.
c) Current date and time.
d) Electric heaters working status.
e) Manual / Auto unit status.
f) Temperature set point.
g) Humidity set point.
h) Working hours of main component i.e. fan, heater, humidifier
i) Unit working hours.
j) Modes of operation (cooling, heating, humidification, de-humidification,).
k) The last 10 intervened alarms.
3.5. The Microprocessor shall be able to perform following functions:
a) Password for unit calibration values modification.
c) Automatic reset of program.
d) Cooling capacity control.
e) Compressor starting timer
f) Date & time of last 10 intervened alarms.
g) Start / Stop status storage by switch