CIAT Junior BCP Series - Checks at Fans; Condensate Drain Connection

HEAT PUMPS - AIR CONDITIONING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 12.78 E
Air handling units for
swimming pools
9
Junior BCP
Condensate drain connection
All models have a condensates drain pan in stainless steel tilted towards
the drain to ensure that no water is trapped
inside it thus preventing health problems. Pan
drain joint, M3/4" in bronze.
Siphon installation norms
- Check that the condensates outlet is not clogged.
- All water drain tubes must be provided with a siphon to avoid bad
smell and water spills.
Perform the assembly as per the scheme of the attached starting
diagram:
Pan in overpressure: It is installed to avoid the access through the
drain tubing of bad smells.
Pan in underpressure:
• Besides the previous application, water must be sucked from the
pan.
• For the correct siphon design, the "A" height must be at least twice
that of the underpressure (mm.a.c) where the condensates pan
is placed.
• The drain tubing must be slightly sloped to ease circulation towards
the drain.
• To control the drain it is advised to insert a funnel in the tubing to
the drain.
Note: The original diameter of the tube must be respected. No
reduction can be made.
Note: Check the connection air tightness.
Checks at fans
- Before commissioning, check the blade rotation direction and that
the axis turns without strokes nor vibrations
- Once running, check the operation conditions: pressures, fl ows and
consumptions.
- The coupling of characteristic curves of the fan and the room is
very important, so that the fl ows and pressures provided to the duct
network are as required.
In order to control the fan rotation
speed the Junior BCP units
(models 20 to 60) have a manual
potentiometer for adjusting the
voltage. This potentiometer enables
adjusting the available pressure
of the unit in accordance with the
installation losses.
Potentiometer (in
the electric panel)
CONNECT SIPHON
METTRE SIPHON
PONER SIFON
V220014
A
Condensates pan
in depression
A
Siphon drain
Slight slope
5/1000
To drainage
Siphon principle scheme
Hydraulic connections
The water condenser made of special steel SMO-254 with nickel
welding is standard in models 70 to 90 and optional for models 40 to 60.
The design of the hydraulic circuit must observe the operating conditions
(fl ows - pressure drops).
Pressure drops in the water condenser
1230,5
0,5
0,6
0,7
0,8
0,9
1
2
Flow
m/h
3
()
BCP-40
BCP-60
BCP-50
BCP-70/80/90
Pressure drop (m.w.c.)