34
RTS HUMIDIFIER RX SERIES INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Outdoor enclosure:
GENERAL DESCRIPTION
• The outdoor RTS humidifier is CSA/ETL approved for installation outdoors.
It uses an optional heater and fans to properly operate in temperatures of
-40 ºF to 122 ºF (-40 ºC to 50 ºC). The unit is intended to be mounted on
a concrete pad, rooftop curb, or on a wall (-1 and -2 stage units only).
Properly sized curbs are available from DriSteem.
• Knockouts are located in various locations for electrical and plumbing
connections. There is also a pipe chase located inside the enclosure to be
used when applicable.
• An emergency drain is provided on one or two walls (depending on size)
the front of the unit. In case of a water leak, water drains onto the roof
through this emergency drain. The drain is intended to have a field installed
water seal.
• If constant monitoring of the unit is desired, or if the unit is located in a
severe climate, install a remote mount display. Additional cable lengths up
to 500’ (152 m) are available as an option.
• In cold climates, Freeze Protection Piping (see page 46), is an important
component to the proper operation of the outdoor humidifier.
• A separate 20 amp, 120 VAC service must be brought to the Outdoor
Enclosure to power the enclosure heaters and fans.
• The mechanical tempering device is setup from the factory to accept
one water supply line to feed tank filling and drain water tempering. If a
separate water source is desired specifically for drain water tempering,
disconnect the hose connecting the fill tee (near fill valve) and thermostatic
valve (on tempering chamber). Plug fill tee and install specific supply line to
thermostatic valve.
• Outdoor enclosure weights: see pages 8 - 9.
Overview
INSTALLATION
CAUTION
Keep the control cabinet covers and
ducting in place. This allows the
control cabinet to be cooler than the
rest of the enclosure.
Table 34-1:
Outdoor unit amps (all models)
Full Load Amps
(Heater Package)
Full Load Amps
(No Heater Package)
120V 60
Hz
230V
50Hz
120V
60Hz
230V
50Hz
7.0
3.7
0.3
0.2
