DEZ
S
ERIES
1000
I
NSTALLATION
,
O
PERATION AND
M
AINTENANCE
M
ANUAL
3
1.2.3 Unit
Nameplate
The Unit Nameplate, located on the front or side of
the unit, is a quick source for useful information
about your system, such as the unit model number,
serial number and specific STULZ job number (see
Figure 1 for an example). This data will be required
if you contact STULZ for assistance, warranty
information, or spare parts. The Unit Nameplate
also includes the process and reactivation airflow
targets, along with their corresponding rotor
pressure drops.
Figure 1 - Sample Nameplate
1.3 Safety
Read and understand all instructions,
recommendations, and guidelines in this manual
regarding the installation, maintenance, and
operation of this unit prior to installation and start-
up. All maintenance and repairs should be
conducted by personnel thoroughly trained in the
operation and maintenance of this or like equipment.
The main power supply to the equipment must be shut
off before beginning work on the equipment. Take
extreme care to ensure that every capacitor likely to
hold electrical charge has been grounded. Always
remove all rings, watches, and other jewelry when
working on electrical equipment. Some of the
equipment used may present the hazard of
Electrostatic Discharge (ESD). When working inside
the equipment, always ground all parts before
touching. When working on or near ESD-sensitive
components, use a wrist grounding strap if possible.
Never operate the unit with any cover, screen, guard,
panel, etc., removed unless the instructions
specifically state to do so, and then do so with
extreme caution to avoid personal injury. Never
attempt to lift any component in excess of 35 pounds
without additional help.
Placards and/or stickers have been placed in various
locations on or in the unit. These placards/stickers are
intended to call attention to personal safety and
equipment damage hazards.
Certain maintenance and cleaning procedures may
either recommend or specify the use of solvents,
chemicals, or cleansers. Always refer to the
manufacturer’s Safety Data Sheet (SDS) prior to
handling any of these materials.
1.3.1 Warnings and Cautions
The following is a condensed list of warnings and
cautions that are noted throughout this manual. All
personnel who operate, service and maintain this
equipment should read and understand these
warnings and cautions. All warnings indicate a
potential threat to personnel and all cautions indicate
a potential threat to equipment damage.
Prior to using any chemicals, cleansers, or solvents,
refer to the manufacturers Safety Data Sheets (SDS)
for proper handling and usage of such materials.
Voltages used with this unit can
be deadly. Be careful not to contact high AC
voltage connections when installing or operating
this equipment. Use the services of a qualified
electrician and/or technician to make the electrical
power connections and perform maintenance.
Disconnect main power to the unit
before performing any maintenance or service.
Turning the mode selector switch to the Off
position does not disconnect power to controls or
the unit itself.