AIR HANDLING UNIT FUTURE
INSTRUCTIONS FOR OPERATION AND MAINTENANCE
Coil secons
18 V. 2.0 2017-02-13
Coil at the outlet side of the fan
Δp = P
0
- p
1
(Pa)
A
min
= 20 (mm)
B
min
= Δp/10 + 30 (mm)
CAUTION
The water trap must be installed in
the position shown in the picture.
5.4. Commissioning
• Make sure that the heat transfer surfaces of the coil are clean and intact.
• Open the line control valves to fill the coil with fluid.
• Bleed the coil.
• Make sure that the water side connections of the coil do not leak.
• Check the rotation direction of the circulating pump (do not run the pump dry).
• If necessary, check the operation of the anti-freezing thermostat.
• Make sure that the control valve functions, and adjust the line control valves, according to the plan.
Refer to the manufacturer’s manual for further adjustment instructions.
• Check the condensation water discharge system, i.e., drip tray, piping and water trap.
• Flush the piping and fill the water trap.