Care and maintenance – Clary DT Series ET User Manual
Page 14

T H E C O N T I N U O U S P O W E R C O M P A N Y
Page 14
CARE AND MAINTENANCE
his device is designed to be maintenance-free. 
It can be cleaned with a damp cloth or 
nonabrasive cleanser. 
WARNING: Do not use ACETONE-BASE 
cleaning solutions. Keep cleaning solutions out of 
the electrical receptacles on this device. 
Be sure filters, vents and fans are kept free from 
accumulation of dust, dirt or lint. Below is a simple 
maintenance schedule that will assist you in keeping 
the system at its peak level of performance and also 
minimizing potential premature failures. 
Your system contains sealed maintenance-free 
batteries. When situated in the proper environment, 
with the proper charging and limited cycling, these 
batteries can last many years. 
WARNING: Never attempt to service batteries. 
High voltage exists within the unit, which could 
cause electrical shock. Servicing of batteries should 
be performed or supervised by personnel 
knowledgeable of batteries and the required 
precautions. Keep unauthorized personnel away 
from batteries. When replacing batteries, use the 
same number and type batteries. 
CAUTION - Do not dispose of battery or batteries 
in a fire. The battery may explode. 
CAUTION - Do not open or mutilate the battery or 
batteries. Released electrolyte is harmful to the skin 
and eyes. It may be toxic. 
CAUTION - A battery can present a risk of electrical 
shock and high short circuit current. The following 
precautions should be observed when working on 
batteries. 
1. Remove watches, rings, or other metal objects. 
2. Use tools with insulated handles. 
3. Wear rubber gloves and boots. 
4. Do not lay tools or metal parts on top of 
batteries.
5. Disconnect the charging source prior to
connecting or disconnecting battery terminals.
6. Determine if the battery is inadvertently
grounded. If inadvertently grounded, remove 
source of ground. Contact with any part of a 
grounded battery can result in electrical shock. 
The likelihood of such shock will be reduced if 
such grounds are removed during installation 
and maintenance. 
The internal rechargeable battery is recyclable. At 
the end of its useful life, under various state and 
local laws, it may be illegal to dispose of this battery 
into the municipal waste stream. Check with the 
factory for details in your area for recycling options 
or proper disposal.
RECOMMENDED PREVENTATIVE MAINTENANCE SCHEDULE
TIME TASK
TOOLS
REQ’D
INITIAL
;
Every 6 mo.
Test battery operation, check back-up time
None
Every 12 mo.
Thoroughly clean unit
Vacuum, brush
Every 42 mo.
Replace batteries
TBD
Every 72 mo.
Replace cooling fan
Kit
T
!
CAUTION
RISK OF ELECTRIC
SHOCK DO NOT OPEN
