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PACKAGED ROOFTOP
AIR CONDITIONING UNITS
New Release Form 100.50-NOM6 (1207)
INSTALLATION, OPERATION & MAIN TE NANCE
035-21979-002
YPAL 050
YPAL 051
YPAL 060
YPAL 061
DESIGN LEVEL F
SIMPLICITY ELITE CONTROL
LD13271
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FORM 100.50-NOM6 (1207) IMPORTANT! READ BEFORE PROCEEDING! GENERAL SAFETY GUIDELINES This equipment is a relatively complicated ap pa ra tus. which it is sit u at ed, as well as severe personal injury or Dur ing installation, operation, maintenance or service, death to them selves and people at the site. 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, This document is intended for use by owner-authorized oils, materials un
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FORM 100.50-NOM6 (1207) CHANGEABILITY OF THIS DOCUMENT In complying with JOHNSON CONTROLS’s policy It is the responsibility of operating/service personnel for continuous prod uct improvement, the in for ma tion to verify the ap pli ca bil i ty of these doc u ments to the con tained in this doc u ment is subject to change without equip ment in question. If there is any question in notice. While JOHNSON CONTROLS makes no the mind of operating/service personnel as to the com mit ment to updat
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FORM 100.50-NOM6 (1207) TABLE OF CONTENTS BASE MODEL NUMBER ..............................................................................................................................3 CHANGEABILITY OF THIS DOCUMENT .....................................................................................................3 NOMENCLA TURE .........................................................................................................................................3 TABLE OF CONTENTS .......
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FORM 100.50-NOM6 (1207) TABLE OF CONTENTS FIELD WIRING ............................................................................................................................................33 Thermostat ............................................................................................................................33 Fan input ................................................................................................................................33 Space Sensor ..........
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FORM 100.50-NOM6 (1207) TABLE OF CONTENTS INITIAL START-UP ......................................................................................................................................50 Refrigerant Charge ..............................................................................................................50 Checking Superheat and Subcooling .................................................................................50 Subcooling (R-410A) .................................
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FORM 100.50-NOM6 (1207) TABLE OF CONTENTS Space Sensor – Hard Wired or Communicated .................................................................65 Cooling Operation – Occupied or Unoccupied .............................................................65 Heating Operation – Occupied or Unoccupied .............................................................66 Stand Alone ..........................................................................................................................
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FORM 100.50-NOM6 (1207) TABLE OF CONTENTS COMFORT VENTILATION ..........................................................................................................................81 Sequence of Operation ........................................................................................................82 Conditions of Operation .......................................................................................................82 EXCESSIVE SAT (SUPPLY AIR TEMPERATURE) CONTROL .......
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FORM 100.50-NOM6 (1207) TABLE OF CONTENTS Modulating Damper with Fixed Speed Exhaust .................................................................93 Sequence of Operation ....................................................................................................93 Modulating Exhaust with a VFD ..........................................................................................93 Sequence of Operation .............................................................................
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FORM 100.50-NOM6 (1207) TABLE OF CONTENTS Return Fan Pressure Transducer ......................................................................................154 Discharge Pressure Transducer ........................................................................................154 Building Pressure Transducer ...........................................................................................154 Suction Pressure Transducer ...............................................................
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FORM 100.50-NOM6 (1207) LIST OF TABLES TABLE 2-1 – VOLTAGE LIMITATIONS .............................................................................................17 TABLE 2-2 – UNIT WEIGHTS - 050-061 MODELS ...........................................................................20 TABLE 2-3 – UNIT CENTER OF GRAVITY .......................................................................................20 TABLE 2-4 – UNIT CORNER WEIGHTS - 050-061 MODELS .......................................
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FORM 100.50-NOM6 (1207) LIST OF FIGURES FIG. 1-1 – PACKAGED ROOFTOP AIR CONDITIONING UNIT ......................................................13 FIG. 2-1 – UNIT CLEARANCES ........................................................................................................18 FIG. 2-2 – LIFTING LUG LOCATIONS ..............................................................................................19 FIG. 2-3 – UNIT RIGGING ................................................................
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FORM 100.50-NOM6 (1207) SECTION 1 – INTRODUCTION 1 LD13271 FIG. 1-1 – PACKAGED ROOFTOP AIR CON DI TION ING UNIT ECOLOGICAL AND ECONOMICAL DESIGN Condensing Section 2 • High Effi ciency eco rooftop units are optimized • Scroll Compressors – Reliable, efficient, for HFC-410A refrigerant. YORK provides the trouble-free operation is the true measure of a FIRST standard product offering that meets the packaged rooftop’s value. That’s why YORK latest ASHRAE 90.1 energy effi ciency require- 2
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Introduction FORM 100.50-NOM6 (1207) Heating Section • Compressor Sound Blankets – Optional factory in stalled sound blankets can be installed to further 2 • Staged gas heat – The eco rooftop gas furnace reduce com pres sor sound attenuation. is an induced-draft gas furnace designed for • Replaceable core fi lter driers – The optional high ef fi cien cy and reliability . The furnace uses 2 re place able core fi lter driers on the eco provides an alu mi nized steel tubular heat exchanger
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FORM 100.50-NOM6 (1207) AIR MANAGEMENT 1 The control can also be connected to a computer • DWDI Airfoil fans – High effi ciency fans are for greater access to programming and operating used to im prove ap pli ca tion fl exibility, and ad- information. dress sound and ap pli ca tion con cerns. • Building pressure control – Ex haust fans and barometric relief dampers are available to meet • Communication -The controller is designed building pressure control requirements. Select to comm
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Introduction FORM 100.50-NOM6 (1207) 2 SERVICE AND INSTALLATION • Factory Shrinkwrap – All eco rooftop units can be ordered from the factory with an optional • Access Doors – Full-sized access doors provide factory-fresh shrinkwrap pack ag ing. This elimi- easy access into the unit for routine maintenance nates the contractors worries about dirt and debris and inspection. clogging up condenser coils or moisture leaking The unit can be purchased with a “Both Side into the air han dler
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FORM 100.50-NOM6 (1207) SECTION 2 – INSTALLATION APPROVALS If the VAV boxes in the conditioned space have hydronic heating coils Designed certifi ed by CSA, ETL, CETL as follows: installed, it is the responsibility of the 1. For use as a forced air furnace with cooling unit installing contractor to take appropri- (gas heat models). ate measures to protect the hydronic 2. For outdoor installation only. coils against low unit supply air tem- 3. For installation on combustible ma te ri al an
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Installation FORM 100.50-NOM6 (1207) • Also avoid locations beneath windows or be- away from sound sensitive areas such as conference tween structures. rooms, auditoriums and executive offi ces and any other room that may have potential for tenant occupancy. • Optional condenser coil protection should be used Possible locations could be above hallways, mechanical for seashore locations or other harsh environ- or utility rooms. ments. • The unit should be installed on a roof that is struct
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FORM 100.50-NOM6 (1207) RIGGING AND HANDLING Proper rig ging and handling of the equip ment is man da to ry during un load ing and setting it into position to re tain warranty status. All lifting lugs must be used to pre vent twisting and damage to the unit. Care must be taken to keep the unit in the upright po si tion during rigging and to prevent damage to the water-tight seams in the unit casing. Avoid unnecessary jar ring or rough handling. 2 Typical rigging using proper
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Installation FORM 100.50-NOM6 (1207) UNIT WEIGHTS TABLE 2-2 – UNIT WEIGHTS - 050-061 MODELS MODEL SIZE 050 051 060 061 BASIC UNIT* 7433 7433 7800 7819 ECONOMIZERS NO OUTSIDE AIR 240 240 240 240 25% OUTSIDE AIR FIXED POSITION MAUAL 446 446 446 446 DAMPER 25% OUTSIDE AIR 2 POSITION ACTUATED 476 476 476 476 DAMPER FULL MODULATION WITH MINIMUM POSITION 476 476 476 476 POWER EXHAUSTS FAN, MOTOR, MODULATING DAMPER AND HOOD 501 501 501 501 FAN, MOTOR, VFD, BAROMETRIC DAMPER AND 506 506 506 506 H
