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PDAE/PDHE 16" x 44" Replacement Unit
Comfort Conditioner
Note: Installation and maintenance are to be performed only by qualified personnel who are familiar with local codes and regula-
tions and are experienced with this type of equipment. Caution: Sharp edges and coil surfaces are potential injury hazards.
©2009 McQuay International
Installation & Maintenance Data
IM 950-1
Group: PTAC
Part Number: 669548801
Date: February 2009
®
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Summary of Contents for McQuay PDAE
- Page 1 Group: PTAC Part Number: 669548801 Date: February 2009 PDAE/PDHE 16" x 44" Replacement Unit Comfort Conditioner Note: Installation and maintenance are to be performed only by qualified personnel who are familiar with local codes and regula- tions and are experienced with this type of equipment. Caution: Sharp edges and coil surfaces are potential injury hazards.
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Page 2: Table Of Contents
® 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. IM 950-1 / Page 2 of 38... -
Page 3: Safety Information
National Electrical Codes (NEC) for special acknowledging the damage. The carrier should also requirements. fill out a carrier Inspection Report. The McQuay Inc. Recognize safety information. When you see a Traffic Department should then be contacted. The unit... -
Page 4: Nomenclature
McQuay Model PDAE/PDHE Product Nomenclature Note: For Illustration purposes only. Not all options available with all models. Please consult a McQuay Sales Representative for specific availability. 009 E Unit Type Warranty P = PTAC A = Standard E = Extended... -
Page 5: Dimensional Data
Dimensional Data PDAE – Air Conditioner with Electric Heat / PTHE – Heat Pump with Electric Heat Finished Wall Line " (267mm) Minimum A = Louver thickness: 3/8" (10mm) stamped, " (29mm) extruded architectural Top View " (1140mm) 1/2" (13mm) 20" (508mm) "... -
Page 6: Wall Opening Requirements
Rough Opening Installation – Considerations Wall Construction Types Figure 1. Panel Wall (Thin) Construction The PDAE/PDHE 16" x 44" Replacement Unit is designed and built for through-the-wall installation Steel Studs in either existing or new buildings. Each conditioner consists of the following components identified in their typical installation sequence: 1. -
Page 7: General Information
3. Conditioner with Subbase – Required with 265V General Information units, optional with 208/230V units. The subbase Electric Service – All wiring should be done in accor- includes an electrical compartment in the right front dance with local and national electrical codes. Electric corner providing brackets for mounting a receptacle service for the replacement unit is via a receptacle type directly beneath the base pan knockout. -
Page 8: Preparing The Unit For Installation
Preparing Unit for Installation Cabinet/Wall Sleeve Extension for Thick Wall Construction Types Note: first install the louver frame following steps 1 The standard wall sleeve will accommodate a and 2 as described in "Louver Frame Installation." maximum wall thickness of 10.25." For thicker walls, wall sleeve extensions are required and are available Remove the outer carton and inspect the conditioner from your local representative. -
Page 9: Optional Condensate Drain Kit
Condensate Drain Kit Installation 3. Drill two (2) 5/32" pilot holes for the mounting screws. These holes can be located using the drain kit as a pattern. 4. Assemble the drain kit as shown in Figure 10 and External Drain Kit securely fasten it to the wall sleeve with the Indoor Drain Kit screws provided. -
Page 10: Room Cabinet/Wall Sleeve
Panel and Thin Wall Applications 6. Caulk the outdoor joint between the room cabi- The PDAE/PDHE conditioner can be successfully net/wall sleeve and the louver frame: top, bottom, installed in various ways. However, this instruction is and both sides. Do not permit caulking to block the based on the use of both a subbase and a louver frame. - Page 11 Figure 12 Masonry and Thick Wall Applications 1. Preparation of the wall opening — In new construc- Finished Wall Room cabinet/ wall sleeve tion, the room cabinet/wall sleeve can be built into ⁄ " Dia. the building wall as it progresses, or openings can (typical of 2) be left for later installation.
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Page 12: Heating/Cooling Chassis
(Figure 13). Note: If this PDAE/PDHE chassis is replacing an EA/ Figure 13. MEA chassis that had originally been adapted into an Room cabinet/... -
Page 13: Equipment Start-Up
Note: that unless otherwise specifically agreed to in or assistant manager should be requested to make any writing, McQuay includes no field labor, start-up ser- changes as a thin flat-edged tool is required to remove vice, or the like, in the price of the equipment. After the the grille. -
Page 14: Start-Up Report-Audit
FOR INTERNAL USE Release: SM ______________ Date CTS _____________ T________________ Sales Representative Signature Customer Signature Service Manager Approval Date McQuay International 4900 Technology Park Boulevard, Auburn, New York 13021-9030 USA (315) 253-2771 Form No. 13F-1206 IM 950-1 / Page 1 of 38... -
Page 15: Controls
Controls (Non-programmable) Keys and Indicators Labels Standard Digital Touchpad Control ON/OFF, FAN SPEED, MODE Figure 14. Standard Digital Touchpad Control 7 Push Buttons FAN MODE, SLEEP Temp buttons: for Temp DOWN Temp UP and 9 LED Indicators SLEEP, COOL, COOL/DRY, FAN, HEAT, HIGH, LOW, CYCLE, CONT. -
Page 16: Temperature Range
Controls Standard Digital Touchpad Control Operation Indoor and Outdoor Fan Operation Memory Recall The indoor fan can be set to operate on High The digital control shall start with the last settings or Low speed with the Fan Speed Button on the used prior to power down. -
Page 17: Modes Of Operation
Controls Modes of Operation Standard Digital Touchpad Control Cool Mode System Select Operation Using Remote In Cool Mode, the compressor will start if the temperature at the space temperature sensor is 1°F Thermostat or higher than the set point. It will stop if the space System will run in Heat mode and engage certain temperature sensor is 2°F or lower than the set point, outputs based on the system selection (jumper) as... - Page 18 Figure 18. Zone C Cool Dry Mode Select the Cool Dry Mode when the standard Cool Mode does not provide sufficient dehumidification. In Compressor Cool Dry Mode, the unit must run in Cool Mode for 12 minutes or until the temperature differential between the room temperature and the set point is less than 6 mins.
- Page 19 Modes of Operation-Description Set Up Mode Standard Digital Touchpad Control To enter the Set Up Mode, simultaneously press the Mode, Up and Down buttons for 5 seconds. To change Heat Mode settings, press the Up or Down button. To move from one screen to another, press the Mode button.
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Page 20: Modes Of Operation
Modes of Operation Outdoor Air Sensor Reading Compressor Minimum Off Time (delay on To advance from Indoor Coil Sensor reading to break) Outdoor Air Sensor reading, press the Mode button once. The control readout will show the outdoor air When compressor is under the thermostat control, it has a 3-minute delay before restarting when it has sensor temperature. -
Page 21: Electrical Service
Note that unless otherwise specifically agreed to in writing, local and National Electrical Code requirements. The McQuay International includes no field labor, start- conditioners are supplied as follows: up service or the like in the price of its equipment. -
Page 22: Premium (Programmable) Digital Touchpad Control Operating Instructions
Controls Keys and Indicators Labels ON/OFF, FAN SPEED, MODE, Premium (Programmable) Digital Touchpad FAN MODE, SLEEP, PROG-ON/OFF Control Operating Instructions 8 Push Buttons Temp buttons: for Temp DOWN Temp UP and SLEEP, COOL, COOL/DRY, FAN, LED with 9 LED Indicators HEAT, HIGH, LOW, CYCLE, CONT. - Page 23 Controls Premium Digital Touchpad Control Clock Set Menu To set the time and day of the week, press To adjust the lower operating temperature limit FAN MODE and FAN SPEED buttons (cool minimum set point) press simultaneously for 5 seconds. Time will be buttons.
- Page 24 Controls Premium Digital Touchpad Control The touchpad of the electronic controller can be To advance to the next screen, press SLEEP ) button. Cool temperature will be programmed for four time periods, MORN, DAY, EVE, and NITE that are customizable for displayed.
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Page 25: Remote Wall Mounted Thermostats
Remote Wall Mounted Thermostats Wall mounted thermostats are available for the 7-Day Programmable Manual Changeover PDAE/PDHE unit in automatic or manual changeover Thermostat (107095801) styles. All include a fan switch for constant “on” Simple, logical programming for set-up and set- operation or “automatic”... -
Page 26: Controls
G to common (C), respectively. Therefore, if you are using existing solid-state thermostats, you may have to add loading resistors for your PTAC controls to work properly. McQuay thermostats do not require this modification. IM 950-1 / Page 26 of 38... -
Page 27: Remote Thermostat With Secondary Units
Remote Wall Mounted Thermostats Remote Thermostat Control The Remote Thermostat can be any thermostat 2. If subbase is used, a small hole must be drilled and that can interface with an electronic thermostat via grommeted in the subbase front to allow passage RCWYBG terminals. -
Page 28: Premium (Programmable) Digital Control Board
Premium (Programmable) 3– Jumper Placement to Select Controller Type: Digital Contol Wiring Diagram A– Place jumper across LUI to select unit mounted 1– Jumper Placement to Select System touchpad (Local User Interface). Module (See Jumper Detail) B– Place jumper across secondary (SEC) to select secondary control by a primary unit. -
Page 29: Standard (Non-Programmable) Digital Control Board
Standard (Non-programmable) Digital Contol Wiring Diagram 3– Jumper Placement to Select Controller Type: 1– Jumper Placement to Select A– Place jumper across LUI to select unit mounted System Module (See Jumper Detail) touchpad (Local User Interface). A– Place jumper across AC/E to select Air Conditioner B–... -
Page 30: Wiring Diagrams
Wiring Diagrams Digital Control Board With Standby Power Table A The standby power connections, L1 STBY and L2 STBY are meant to run the indoor motor at a separate voltage from the other motors, compressor and outdoor motor. When used as such, the jumpers, JH1 and JH2, must be cut. -
Page 31: Digital Control Board Without Standby Power
Digital Control Board Without Standby Power The standby power connections, L1 STBY and L2 STBY are meant to run the indoor motor at a separate voltage from the other motors, compressor and outdoor motor. When used as such, the jumpers, JH1 and JH2, must Table A be cut. -
Page 32: Scheduled Maintenance
Salt spray, fog or mist in seacoast areas, sulphur detergent. or chlorine from lawn watering systems, and various B. McQuay recommends that every year the chassis chemical contaminants from industries such as paper be removed for a thorough checkup. This should mills and petroleum refineries are especially corrosive. -
Page 33: Recommended Spare Parts
This is so, however, only if a replacement part is sealed system as used in all McQuay Air Conditioning quickly available. In order to replace a failed part equipment. The temperatures shown are typical... -
Page 34: Ptac/Pthp Control Board
Fault and Protection Codes for Applied PTAC/PTHP Control Board Fault code Description Cause for the fault Communication Error 1. Cable not plugged in properly on either LUI or relay board. 2. Defective cable. Missing Shunt The user configurable shunt for System Select, Control Select Off Fan Cycle, and/or Hydronic Valve is missing or not placed properly. -
Page 35: Troubleshooting Chart
Starting capacitor malfunctions (open circuited, short Replace. circuited or loss of capacity). Defective compressor motor (short circuited, open * Ship cooling chassis prepaid to nearest McQuay au- circuited, grounded). thorized warranty station. Operation of overload device due to overloading com- Blowers run on cool and compressor starts but stops Check voltage supply. - Page 36 Troubleshooting These items should be checked by a qualified service technician only. Trouble Cause Cure Too much cooling. Thermostat set too low. Adjust. Defective thermostat Replace. Remove obstructions to water flow. 10. “Sweating.” Condensate drain from evaporator to condenser plugged. Insulating seals on equipment damaged.
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Page 37: Approximate Shipping Weights
Unit Weight - (lbs.) Model PDHE (Packaged) 131.0 138.5 139.4 147.1 – PDAE (Packaged) 129.5 137.0 137.9 145.6 145.6 PDHE (Chassis) 116.0 123.5 124.4 132.1 – PDAE (Chassis) 114.5 122.0 122.9 130.6 130.6 Louvers Flush-stamped ..........6 lbs. (3kg) Architectural ..........8 lbs. (3kg) Subbase 3"... - Page 38 McQuay Training and Development Now 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 click on training, or call 50-28-966 and ask for the Training Department.