York YPAL 050 User Manual

Page of 168
JOHNSON CONTROLS
2
FORM 100.50-NOM6 (1207)
This equipment is a relatively complicated ap pa ra tus. 
Dur ing installation, operation, maintenance or service, 
in di vid u als may be exposed to certain com po nents  or 
conditions in clud ing, but not limited to: re frig er ants, 
oils, materials un der pressure, rotating com po nents, 
and both high and low voltage. Each of these items 
has the po ten tial, if misused or handled im prop er ly,  to 
cause bodi ly injury or death. It is the obligation and 
re spon si bil i ty  of  operating/service  per son nel  to  iden ti fy 
and rec og nize these inherent hazards, protect them selves, 
and pro ceed safely in completing their tasks. Failure to 
com ply with any of these requirements could re sult in 
se ri ous dam age to the equipment and the prop er ty  in 
IMPORTANT!
READ BEFORE PROCEEDING!
GENERAL SAFETY GUIDELINES
which it is sit u at ed, as well as severe personal injury or 
death to them selves and people at the site.
This document is intended for use by owner-authorized 
operating/service personnel. It is expected that this 
in di vid u al  possesses  independent  training  that  will 
en able them to perform their assigned tasks properly 
and safe ly. It is essential that, prior to performing any 
task on this equipment, this individual will have read 
and un der stood this document and any referenced 
materials. This in di vid u al will also be familiar with and 
comply with all ap pli ca ble  governmental  standards  and 
regulations per tain ing to the task in question.
SAFETY SYMBOLS
The following symbols are used in this document to alert the reader to areas of potential hazard:
CAUTION identifi es a hazard which 
could lead to damage to the ma chine, 
damage to other equip ment and/or 
en vi ron men tal  pollution.  Usually  an 
in struc tion will be given, together with 
a brief ex pla na tion.
NOTE is used to highlight ad di tion al 
information which may be helpful to 
you.
DANGER indicates an im mi nent ly 
hazardous situation which, if not 
avoid ed,  will  re sult in death or se ri ous 
injury.
WARNING indicates a potentially 
haz ard ous  sit u a tion  which,  if  not 
avoid ed, could result in death or se-
 ri ous  in ju ry.
External wiring, unless specifi ed as an optional connection in the man u fac tur er’s  prod uct 
line, is NOT to be connected inside the micro pan el cab i net.  De vic es  such  as  re lays,  switch es, 
transducers and controls may NOT be installed inside the mi cro pan el. NO external wiring 
is al lowed to be run through the micro panel. All wir ing must be in ac cor dance  with  JOHN-
SON CONTROLS’s pub lished spec i fi  ca tions and must be per formed ONLY by qual i fi ed 
JOHNSON CONTROLS personnel. JOHNSON CONTROLS will not be re spon si ble for 
dam ag es/problems  re sult ing  from  im prop er  con nec tions  to  the  con trols or ap pli ca tion of 
im prop er  con trol  sig nals.  Failure  to  fol low this will void the man u fac tur er’s  warranty  and 
cause serious dam age to property or injury to per sons.