Range Of Usage & Limitations; Operating Temperature; Installation Site - Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual

2.2.2 Range of usage & limitations
Item
Indoor return air temperature
(Upper, lower limits)
Outdoor air temperature
(Upper, lower limits)

Operating temperature

Indoor unit atmosphere (behind ceiling)
temperature and humidity
Airflow volume/static pressure
Heat insulation of refrigerant pipes
Heat insulation of drain pipes
Refrigerant line (one way) length
Vertical height difference between
outdoor unit and indoor unit

Installation site

Power source voltage
Voltage at starting
Compressor
ON - OFF
Frequency
Notes (1) Do not install the unit at the following places.
• Places exposed to oil splashes or steam (e.g. kitchens and machine plants).
• Places where inflammable gas may leak.
• Places containing a great amount of sulfide gases (e.g. hot spring area).
• Places directly exposed to sea breeze (e.g. coastal area).
• Places containing acid or alkaline air.
• Places adjacent to equipment generating electromagnetic waves or high-frequency waves.
• Places sucking the exhaust gas from heat exchanger.
• Do not install the unit on an object moistened with water.
• Places where carbon fiber and metal particles, powder, etc. are floating.
• Places where chimney smoke is hanging.
• Places at an elevation of 1000m and above.
• Places splashed with water (laundry room, etc.).
• The indoor unit is not protected against water penetration.
• Do not install indoor units of twin, triple and double-twin specifications separately in a room with partition.
• Where matters affecting devices, such as sulfuric gas, chlorine gas, acid, alkali, etc, may generate or accumulate.
• Where cosmetics or special sprays are used frequently.
• Installation on mobile thing such as vehicle, ship, etc.
• Where snow falls heavily. (Including where snow melting agent is spreaded)
• Where light beams that affect the receiving device fly arond, in case of the wireless specification.
(2) If ambient temperature and humidity exceed the above values, please add polyurethane foam insulation to the outer plate (t10 and above).
(3) Please set the lower limit of one-way piping length to 5m and above.
(4) When ø22.22 gas pipe is used for piping lengths with the * mark, let the maximum one-way length be 30m.
(5) For details of the pipe length specification, refer to next page.
Model
Use ducts and blow outlets of better heat insulation within the characteristics of blower.
(5)
Cycle Time
Stop Time
FDC71~140
Please see the next page.
When used under -5ºC, install a snow hood (option).
Dew point temperature: 28ºC or less, relative humidity: 80% or less
Heat insulation of 20 mm or more in thickness is necessary in the ceiling, etc,
where the relative humidity exceeds 70%.
Heat insulation of 10 mm or more in thickness is necessary in the ceiling, etc,
where the relative humidity exceeds 70%.
Max. 50m
Max. 30m (Outdoor unit is higher)
Max. 15m (Outdoor unit is lower)
The outline drawing contains restrictions concerning the installation space.
Install the indoor unit 2.5m or above higher than the floor surface.
7 minutes or more (from OFF to OFF) or (from ON to ON)
344
- -
FDC200, 250
(FDUM)
Max. 70m*
Rating ± 10%
Min. 85% of rating
3 minutes or more