
2
ture, tags and labels attached to the unit, and other safety precau-
tions that may apply.
Follow all safety codes, including ANSI (American National Stan-
dards Institute) Z223.1. Wear safety glasses and work gloves. Use
quenching cloth for unbrazing operations. Have fire extinguisher
available for all brazing operations.
It is important to recognize safety information. This is the safety-
alert symbol
. When you see this symbol on the unit and in in-
structions or manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, CAUTION,
and NOTE. These words are used with the safety-alert symbol.
DANGER identifies the most serious hazards which
will
result in
severe personal injury or death. WARNING signifies hazards
which
could
result in personal injury or death. CAUTION is used
to identify unsafe practices, which
may
result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which
will
result in enhanced installation, reliability,
or operation.
UNIT ARRANGEMENT AND ACCESS
General
Figures 1 and 2 show general unit arrangement and access
locations.
Fig. 1 — Access Panels and Components (Front)
CAUTION
PERSONAL INJURY HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and
wear appropriate protective clothing, safety glasses and gloves
when handling parts and servicing air conditioning equipment.
WARNING
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in death, serious
personal injury and/or property damage.
Never use air or gases containing oxygen for leak testing or for
operating refrigerant compressors. Pressurized mixtures of air
or gases containing oxygen can lead to an explosion.
WARNING
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in death, serious
personal injury and/or property damage.
Never use non-certified refrigerants in this product. Non-certi-
fied refrigerants could contain contaminates that could lead to
unsafe operating conditions. Use ONLY refrigerants that con-
form to AHRI Standard 700.
CAUTION
UNIT DAMAGE HAZARD
Failure to follow this caution may result in reduced unit perfor-
mance or unit shutdown.
High velocity water from a pressure washer, garden hose, or
compressed air should never be used to clean a coil. The force
of the water or air jet will bend the fin edges and increase air-
side pressure drop.
IMPORTANT: Pressing the controller’s test/reset switch for
longer than seven seconds will put the duct detector into the
alarm state and activate all automatic alarm responses.
CAUTION
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could cause personal injury or
death.
Before performing service or maintenance operations on the
fan system, shut off all unit power and lockout/tag-out the unit
disconnect switch. DO NOT reach into the fan section with
power still applied to unit.
WARNING
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal injury or
death.
Units with convenience outlet circuits may use multiple
disconnects. Check convenience outlet for power status before
opening unit for service. Locate its disconnect switch, if
appropriate, and open it. Lock-out and tag-out this switch, if
necessary.
IMPORTANT: Lockout/tag-out is a term used when electri-
cal power switches are physically locked preventing power
to the unit. A placard is placed on the power switch alerting
service personnel that the power is disconnected.
OUTDOOR AIR
HOOD
CONTROL BOX
ACCESS PANEL
RETURN AIR
FILTER AND
INDOOR COIL
ACCESS PANEL
SUPPLY FAN
HEATING SECTION
GAS SECTION
ACCESS PANEL
OUTDOOR
FANS/MOTORS
DISCONNECT
CONVENIENCE
OUTLET
COMPRESSOR
(CIRCUIT A)
CONDENSER
COIL
(CIRCUIT A)
Содержание 581J 17-28 Series
Страница 18: ...18 COOLING CHARGING CHARTS Fig 21 Cooling Charging Chart 15 Ton ...
Страница 19: ...19 Fig 22 Cooling Charging Chart 17 5 Ton ...
Страница 20: ...20 Fig 23 Cooling Charging Chart 20 Ton ...
Страница 21: ...21 Fig 24 Cooling Charging Chart 25 Ton ...
Страница 36: ...36 Fig 47 Unit Control Box IGC Location IGC Board IGC Board Side view Front view ...
Страница 39: ...39 Fig 50 Integrated Gas Control IGC Board RED LED STATUS ...
Страница 45: ...45 Fig 56 RTU Open Overlay for Economizer Wiring ...
Страница 46: ...46 Fig 57 VFD Overlay for W2770 Controller Wiring ...
Страница 84: ...84 Fig B 581J 17 28 Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 85: ...85 Fig C 581J 17 28 Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 86: ...86 Fig D 581J 17 28 Power Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 87: ...87 Fig E 581J 17 28 Power Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Страница 88: ...88 Fig F 581J 17 28 Control Diagram with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 89: ...89 Fig G 581J 17 28 Power Diagram 208 230 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 90: ...90 Fig H 581J 17 28 Power Diagram 460 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 91: ...91 Fig I 581J 17 28 Power Diagram 575 3 60 with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...
Страница 92: ...92 Fig J RTU OPEN Wiring Diagram APPENDIX D WIRING DIAGRAMS ...
Страница 93: ...93 Fig K RTU OPEN Wiring Diagram with Perfect Humidity System APPENDIX D WIRING DIAGRAMS ...