Page
：
5 of 6
Document No.U029323
Date
：
Jun/17/2014
FIGURE 5. PROTECTIVE CAP REMOVAL
FIGURE 6
FIGURE 7. INSTALLATION (CORRECT OR INCORRECT)
CARE AND MAINTENANCE
The following instructions must be implemented for the maintenance and service of the Model CN-QR.
NOTES
Wet pipe sprinkler systems must be maintained at a minimum temperature of 40°F / 4°C to prevent freezing and bursting
of the pipe and/or sprinklers.
Automatic sprinklers are not to be tested with a heat source. Operation of the heat responsive element can result.
Absence of a Cover Plate Assembly may delay the response time of the sprinkler in case of fire.
Install the cover plate assembly properly, as shown in Figure 6. Improper installation of the cover plate assembly may
cause improper operation or non-operation.
If the ceiling is to be repainted after the installation of the Sprinkler, care must be exercised to ensure that the new paint
does not seal off any of the air gap.
Factory painted Cover Plates must not be repainted. They should be replaced, if necessary, by factory painted cover
plates. Non-factory applied paint may adversely delay or prevent sprinkler operation in case of a fire.
Do not pull the Cover Plate. Separation may result.
In preparation for maintenance of the fire protection system, permission to close the main control valve must be
obtained from the proper authorities and all affected by this action parties must be informed before the maintenance
session can commence.
Do NOT enclose any sprinklers within drapes, curtains, or valances.
Do NOT hang anything from the sprinklers.
Sprinkler Head
Protective Cap
Ste
p 1
Pull down
Groove of the Cap
Ceiling
2-
3
8
" ( 60mm)
Cover Plate Assembly
Mounting Surface
Screw
INCORRECT
CORRECT
INCORRECT
Ceiling
Ceiling
