Troubleshooting|
50
Steam Distributors
Symptom
Cause
Corrective Action(s)
Distributor spitting out water
1 Distributor not level
1 Use support at end of distributor to
ensure it is level.
2 “P” Trap too close to distributor
2 “P” Trap must be a minimum of 12 in
(30 cm) below the distributor to
ensure flow. Relocate if required.
3 Condensate line not sloped
sufficiently
3 Sufficient slope to ensure flow is
required. Reinstall if required.
4 Trap blocked
4 Check that water flows through trap.
Clear out if blocked.
5 Steam line not insulated
5 If steam line is long, condensate build
up could overload distributor
condensate port. Insulate line to
improve efficiency and install
additional condensate traps as
required.
6 Incorrect steam line installation
6 Check that steam line has been
installed with condensate traps and
slope per installation instructions on
page 12.
Condensation in duct
1 Installation clearances not
observed
1 Refer to distributor installation manual
for required clearances. Relocate
distributor if required.
2 Design conditions changed
2 Check supply air temperature and
humidity to determine if conditions
have changed.
3 High limit not functioning
3 Check setting and operation of high
limit. Replace if defective.
Blower Pack
Symptom
Cause
Corrective Action(s)
Blower not operating
1 No power to blower pack
1a Check power connection to blower
pack.
1b Ensure unit is humidifying. The
blower will not operate if the
humidifier is not generating steam.
Digital Humidistat
Symptom
Cause
Corrective Action(s)
Humidistat Reading incorrectly
1 Sensor out of calibration
1 Check reading against known reliable
instrument. If out of calibration it can
be field calibrated ±10%. Refer to
humidistat documentation for
calibration instructions.
