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Now that you have made an investment in modern, efficient McQuay

equipment, its care and operation should

be a high priority. For training information on all McQuay HVAC products, please visit us at www.mcquay.com and

click on Training or phone 540-248-0711 and ask for the Training Department.

Table of Contents

Safety Information ....................................................... 3

Inspection

..................................................................... 3

Nomenclature

...............................................................

Introduction

..................................................................

Dimensional Data ....................................................... 6

Wall Opening Requirements

..................................

Wall Construction Types

.......................................

Installation of Subbase ......................................8 & 9

Electric Subbase

....................................................

Hydronic Subbase

................................................. 9

Optional Condensate Drain Kit

.................................... 9

Installation of Condensate Drain Kit ..................... 10
Installation of Wall Sleeve ....................................... 11

Considerations

.....................................................

Wall Sleeve Extension for Thick Wall

Construction Types

..............................................

Installation of Wall Sleeve Extension

..................

Installation of Louver Frame for Thin

Wall Construction Types

.....................................

Installation of Recessed Louver Wall Sleeve ......... 12

Installation Requirements for Recessed

Louver Wall Sleeve

............................................

Anchoring the Wall Sleeve

..................................

Attaching Cabinet Wall Sleeve to Subbase

.........

Installation of Basic Wall Sleeve ............................. 13

Frame & Brick Wall Construction Type

..............

Panel Wall Construction Type

....................

14 & 15

Attaching Cabinet Wall Sleeve to Subbase

.........

Thick Wall Construction Type

.............................

Attaching Cabinet Wall Sleeve to Subbase

.........

Outdoor Louvers ..............................................17 &18

Typical Louver Design

........................................

Installation of Louver .............................................. 18
Installation of Chassis .........................................18-19
Controls ..............................................................20-31

Standard Digital Touchpad Control Operation

....

Standard Digital Touchpad Control

Modes of Operation

........................................

22-26

Start-up Report-Audit

..........................................

Premium (Programmable) Digital

Touchpad Control Operating Instructions

......

28-31

Digital Touchpad with Automatic Changeover from

Cooling to Heating & Heating to Cooling

...........

Wireless Remote Control (Option)

...................... 33

Remote Wall Mounted Thermostats

...............

32-34

Wiring Diagrams .................................................34-38

Remote Thermostat With Secondary Units

Wiring Connections

.............................................

Premium (Programmable)

Digital Control

.....................................................

Standard (Non-programmable)

Digital Control Wiring Diagram

..........................

Premium (Programmable)

Digital Control Board with Standby Power

........

Digital Control Board without Standby Power

...

Scheduled Maintenance

............................................. 39

Recommended Spare Parts

........................................

Refrigeration Cycle

...................................................

Faults and Protection Codes for

PTAC/PTHP Control Board

.......................................

Solid State Digital Controls–LUI Display Codes

......

Troubleshooting Chart

..........................................

42-43

Approximate Shipping Weights

.................................

Содержание PDAA

Страница 1: ...al Installation Maintenance Data IM 934 2 Group PTAC Part Number 668966802 Date October 2009 Applied Packaged Terminal Air Conditioner and Heat Pump Model PDAA PDHA Dual Motor Angled Top Unit 16 x 42...

Страница 2: ...rame Brick Wall Construction Type 13 Panel Wall Construction Type 14 15 Attaching Cabinet Wall Sleeve to Subbase 15 Thick Wall Construction Type 16 Attaching Cabinet Wall Sleeve to Subbase 17 Outdoor...

Страница 3: ...on the freight bill or carrier s receipt and signed by the carrier s agent Failure to adequately describe such external evidence of loss or damage may result in the carrier s refusal to honor a damag...

Страница 4: ...R 265 60 1 w stndy 115 60 1 T 208 208 60 1 Brand Name M McQuay Refrigerant A R 410A Heating Type E Electric Heat H Hydronic A Hydronic w Intermediate Electric Y None PDHA only Electric Heat A 2 5 Kw B...

Страница 5: ...g with higher energy efficiencies for lower operating costs Plus McQuay offers a nationwide network for original equipment replacements with local parts and service McQuay Applied Packaged Terminal Ai...

Страница 6: ...ubbase extends to front edge of unit when furnished with hydronic heat Hydronic subbase is flush with the front of the cabinet Electric subbase is flush with wall sleeve 2 Subbase side channels are ad...

Страница 7: ...e finished wall to accommodate the room cabinet A minimum distance of 3 above the finished floor is required for return air The rough opening should measure 161 4 high x 421 4 wide When using a louver...

Страница 8: ...11 2 Leveling Screw 4 Places 17 12 5 21 2 0 to 93 8 43 8 11 2 7 8 5 8 3 Plan Front Elevation Three Front Panels in Place Electrical Junction Box for Main Power Connection Receptacle Req d on 265V Unit...

Страница 9: ...le Factory installed when fuse disconnect are furnished As Req d NOTES 1 Side channels are adjustable from 0 93 8 in length by inverting them Side channels are predrilled to allow infinite adjustment...

Страница 10: ...outdoor drain kit the sleeve must be flush or beyond the outside finished wall do not recess Install the external drain kit as follows 1 Assemble the drain kit as shown in Figure 11 2 Choose the side...

Страница 11: ...s follows 1 Position the extension with standard wall sleeve so proper alignment with drain and mounting holes is achieved 2 Place a bead of caulk around the perimeter of the wall sleeve and another b...

Страница 12: ...ll generate condensate during the heating season If it is not desirable for this condensate to exit outdoors from the wall sleeve drain holes install indoor or outdoor drain kits available from your s...

Страница 13: ...ter of gravity is 10 254mm from the rear face of the wall sleeve The wall sleeve must be inserted into the wall at least 10 254mm or other support must be employed Support can be from a factory suppli...

Страница 14: ...proper seat It is recommended that the louver frame be used for this purpose Figure 16 Frame and brick with electrical subbase Note Standard subbase is available in 3 or 4 76 mm or 102 mm height Leve...

Страница 15: ...base 1 Where a subbase is used secure wall sleeve to subbase with clips provided 2 Caulk the wall sleeve to the wall opening on both the inside and outside perimeter Be careful not to plug the weep ho...

Страница 16: ...e Secure by anchoring with appropriate fasteners or drill additional holes as required to secure firmly Refer to Anchoring The Wall Sleeve instructions on page 13 CAUTION DO NOT drill holes in the bot...

Страница 17: ...actory evaluation If acceptance cannot be determined by the drawing then a sample of the proposed louver must be sent to the factory for testing and certification The sample sent for testing must be a...

Страница 18: ...through the louver This enables the installer to keep a firm grasp on the louver when installing from inside the room 4 Angle the louver through the opening at the rear of the wall box then pull the l...

Страница 19: ...metal flange at the rear of the wall sleeve rails to allow full insertion of the chassis Figure 28 Chassis Installation Tinnerman Clips Damper Damper Actuator Wall Sleeve Rails See Note 21 Above Wall...

Страница 20: ...r OAS Remote T stat T STAT RCWYBG Power supply 24VAC Line voltage input L1 L2 Indoor fan standby voltage L1STB L2STB Control selection LUI T STAT Model selection AC E HP HP E Time delay bypass TEST In...

Страница 21: ...gital control shall start with the last settings used prior to power down These settings are saved in a non volatile memory Factory set mode is OFF On Off Triggering Control can be turned On Off via L...

Страница 22: ...rmal mode has been resumed Controls Standard Digital Touchpad Control Modes of Operation Cool Mode In Cool Mode the compressor will start if the temperature at the space temperature sensor is 1 F or h...

Страница 23: ...il the temperature differential between the room temperature and the set point is less than 2 F This will also occur after a Cold Start or a Mode change from Cool to Cool Dry During this time the fan...

Страница 24: ...setting The compressor and outdoor fan will not operate In single motor units the outdoor fan will run along with the indoor fan Set Up Mode To enter the Set Up Mode simultaneously press the Mode Up a...

Страница 25: ...arted only if the following conditions are met 1 after the 2 minute delay on break AND 2 the indoor coil reaches 49 F or above and remains there for at least 1 minute OR 3 another Mode is selected The...

Страница 26: ...in 3 76mm or 4 102mm height and can be furnished with factory mounted fused disconnect option Modes of Operation Standard Digital Touchpad Control 3 On all 265V models an electrical subbase is require...

Страница 27: ...g Condenser Air Free of Obstruction Cycle Continuous Fan if so equipped Other Conditions Found ___________________________________________________________ _____________________________________________...

Страница 28: ...onic Controller via the touchpad The user can select with a jumper for the unit to receive commands from a Remote Thermostat Keys and Indicators Labels ON OFF FAN SPEED MODE 8 Push Buttons FAN MODE SL...

Страница 29: ...m temperature reaches one degree above the thermostat setpoint Cooling terminates when the room temperature falls two degrees below the setpoint AUTO AUTO Programmable Mode HEAT and COOL icons alterna...

Страница 30: ...r is done by pressing Mode button 2 1 Once in the configuration mode the default temperature scale will be displayed as shown below Toggle the temperature scale to degree Celsius by pressing either or...

Страница 31: ...rogram the thermostat for each period of the day repeat steps 3 3 through 3 7 Further the thermostat can be programmed for each individual day of the week or use the SimplesetTM feature as described b...

Страница 32: ...setpoint even in the dark No batteries required Wall mounted thermostats are available for the PDAA PDHA unit in automatic or manual changeover styles All include a fan switch for constant on operati...

Страница 33: ...as the FAN SPEED button on the touchpad and allows user to select the specific speed using only one button Notes The remote must be aimed in a line of sight of the window in the upper right corner on...

Страница 34: ...ote mounted thermostats should be wired as shown in Figure 40 Other considerations for this arrangement are as follows Remote Wall Mounted Thermostats 1 When wiring the low voltage plug and receptacle...

Страница 35: ...den by the room temperature 3 Jumper Placement to Select Controller Type A Place jumper across LUI to select unit mounted touchpad Local User Interface B Place jumper across secondary SEC to select se...

Страница 36: ...r OFM Outdoor Fan Motor OCS Outdoor Coil Sensor OAS Outdoor Air Sensor ICS Indoor Coil Sensor IAS Indoor Air Sensor LUI Local User Interface REV Reversing Valve EHC Eletric Heat Contactor 1 Jumper Pla...

Страница 37: ...only with the premium control board For the latest drawing version refer to the wiring diagram located on the inside of the controls access panel of the unit Wire Color Voltage WH 120V RD 208V OR 240V...

Страница 38: ...th the premium control board For the latest drawing version refer to the wiring diagram located on the inside of the controls access panel of the unit Wire Color Voltage WH 120V RD 208V OR 240V BN 277...

Страница 39: ...to last With proper care the unit should provide uninterrupted service for many years Scheduled maintenance of this equipment as described below is the key to the equipment s longevity A Air filters...

Страница 40: ...me incremental conditioners are purchased owners arrange for a small stock of replacement parts Where an owner carries such a stock immediate replacement of defective parts is possible The defective p...

Страница 41: ...bove 50 F Lo Low Room Temperature Indoor air temperature is 5 degrees below minimum setpoint limit LA Low Ambient Lockout Outdoor air temperature is below 25 F Fault and Protection Codes for Applied P...

Страница 42: ...r 4 Obstructed discharge grilles 5 Evaporator blower motor not running 6 Evaporator blower motor not up to speed 7 Evaporator motor slipping on motor shaft d Heat load in room exceeds capacity of equi...

Страница 43: ...s d Noise will disappear after equipment runs awhile e Make necessary adjustments to components f Check for proper adjustment Apply silicone oil or grease to gap between solenoid and armature g Tighte...

Страница 44: ...ow that you have made an investment in modern efficient McQuay equipment its care should be a high priority For training information on all McQuay HVAC products please visit us at www mcquay com and c...

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