Presentation; Operating Limits - Panasonic PAW-FC Installation And Maintenance Manual

4. Presentation

The range of PAW-FC Fan Coil includes the Cassette (AC / EC) configuration which is available in different sizes.
The cooling capacity is from 1,4 to 9,4 kW and the heating capacity is from 1,1 to 14,0 kW.
The version available is reversible 2-pipes, 4-pipes, with AC fan or EC fan.
Main features and accessories:
2 and 4-pipe configurations
−
− Very low acoustic levels
− Quick access, by simply removing the front grille
All connections: located at the same side
−
Galvanized steel sheet with thermal and acoustical insulation, avoiding condensation on the casing and providing good
−
sound attenuation
− Cleanable synthetic-type air filter
Optional controller.
Wired remote controller.
PAW-FC-903TC
Casing
Made of galvanized steel insulated with closed cell
polyethylene foam.
Access to internal components of the unit is facilitated by easy
dismounting of the plastic cover. All models are equipped with
a 3-top condensate drain pump to ensure optimal condensate
draining and to minimize water retention. Condensate drain
pan is made from galvanized sheet steel coated with closed
cell polyethylene foam on external face. The drain pan is
painted to ensure anticorrosion protection.
Coil
The coil is made of staggered copper tubes, mechanically
expanded into aluminium fins, assuring maximum heat
transfer efficiency.
Each coil is supplied with headers having an air vent at the
highest point and a drain plug at the lowest point.
Filter
Units are equipped with filters consisting of cleanable
synthetic media (sewn on wire frame), which are easily
removable for cleaning or replacement.

4.1 Operating limits

Power supply
Ambient air conditions
Water circuit conditions
Water quality
Risk of excessive clogging inside the coil tubes due to inadequate water quality.
Using untreated or unsuitable water can lead to excessive clogging inside the coil tubes (earth and mud deposits, corrosion, etc.)
with major consequences on the thermal efficiency of the unit and irreversible damage to the equipment.
− Contact a specialised water treatment company for advice on establishing a suitable water quality and on any required water
treatment.
If treatment is required, make sure it works effectively.
−
Optional controller for AC fan
Optional controller.
Advanced wired remote controller.
PAW-FC-RC1
Nominal single phase voltage:
Operating voltage limits:
Minimum ambient temperature / relative humidity:
Maximum ambient temperature / relative humidity:
Maximum operating pressure
Minimum inlet temperature (100 % water)
Maximum inlet temperature
Optional controller.
Wired remote controller for EC fans.
PAW-FC-907TC
Ventilation
The units are fitted with a fan-motor assembly of which the fan
is composed of impeller with aerodynamically profiled blades.
Optimized fan speed staging to reduce sound level.
The AC motor is an asynchrony direct drive type having 5
speeds, 3 of them are factory prewired.
The motor is suitable for nominal voltage of 230 V / 1 Ph / 50-
60 Hz and is equipped with a built-in thermal overload
protection of automatic reset type.
The EC motor is a high efficiency type with low electrical
consumption for significant energy savings. The motor is
suitable for 0 - 10 V input, ensuring variable speed capability.
Power supply
Units are supplied complete with internal electrical wiring
terminating in a junction block protected by a cap.
Cabinet internal space allows for installation of optional control
systems supplied by the distributor or others.
230 V – 50/60 Hz
min. 207 V – max. 253 V
+5 °C / 15% R.H.
+32 °C / 70% R.H.
14 bar
+5 °C
+80 °C
7
Optional controller for EC fan