Related Manuals for McQuay PDAC
Summary of Contents for McQuay PDAC
- Page 1 Installation & Maintenance Data IM 882 Group: PTAC Part No.: 668109501 Date: January 2008 Applied Packaged Terminal Air Conditioner 16" x 42" PDAC/PDHP With Top-Mounted Hydronic Heat ©2008 McQuay International...
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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 882 / Page 2 of 36... -
Page 3: Safety Information
The carrier should also fill out a Carrier Inspection Report. The McQuay International Traffic Recognize safety information. When you see a safety Department should then be notified. The unit nameplate... -
Page 4: Nomenclature
McQuay Model PDAC/PDHP 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: Introduction
Heat Pumps are designed and built for through-the- power interruption. wall installation in either new or existing buildings. The Figure 1. Exploded View of the 16" x 42" PDAC/PDHP with Top-Mounted Hydronic Unit Louver (Architectural) Top-Mount Hydronic Heat Section... -
Page 6: Dimensional Data
Dimensional Data Figure 2. Unit dimensions – Chassis Premium Digital Touchpad Control Figure 3. Unit dimensions – Wall Sleeve, Cabinet & Louver ⁄ " RECESS FOR ARCHITECTURAL LOUVER “A” – IN. (MM) “D” – IN. (MM) “B” – IN. (MM) ROOM CABINET WALL SLEEVE WALL THICKNESS... -
Page 7: Wall Opening Requirements
Figure 4. Louver Frame Dimensions WARNING Residential and institutional cleaning compounds can cause permanent damage to the packaged terminal unit. To avoid damage to unit controls and heat transfer surfaces, do not spray cleaning compounds onto the discharge grille, return "... -
Page 8: Wall Construction Types
Wall Construction Types Wall Sleeve Installation Thin Wall Construction Figure 6. Panel Wall (Thin) Construction The standard wall sleeve is designed to be easily installed Steel Studs in a variety of wall constructions. For panel wall and thin wall construction, it is recommended that the optional top angle be used and the wall sleeve be supplied with a turned down flange (see Figures 9, 10 &... - Page 9 Figure 9. 16" x 42" wall sleeve with continuous flange and drip edge Flange location (from outdoor side of sleeve) is factory provided in increments of 1/8" 2" Flange Height (Standard = 1-1/4") Louver Mounting Holes 16" Drip Edge Figure 10. Wall sleeve installation for thin wall Figure 11.
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Page 10: Thin Wall Construction
2. McQuay does not warrant the rain and water leakage the center of gravity must be provided at the job site. resistance of its equipment when used with louvers by This support can be wood, metal or concrete. -
Page 11: Thick Wall Construction
Wall Sleeve Installation — 7. Caulk the wall sleeve to the wall opening on both the in-side and outside perimeter using a resilient, non- Thick Wall Construction hardening caulk such as silicone. Be careful not to A heavy-gauge, corrosion resistant wall sleeve is provided plug the weep holes. -
Page 12: Anchoring Wall Sleeve
Anchoring WARNING Anchoring the wall sleeve in the opening is accomplished Improper electrical supply can cause property damage, as shown in Figure 15. It is recommended that rubber isola- severe personal injury or death. tion washers be used with the fasteners to minimize sound Electrical Service transmission from the equipment to the wall, at the point of contact. -
Page 13: Installation Of Heat Section
6. Do not lubricate motors before start-up. Motors are Heat Section Installation factory lubricated. Consult “Scheduled Maintenance” The heat section is designed to be “snapped” into the top section on page 31 for lubrication instructions. of the wall sleeve (Figure 16). There are four square holes 7. -
Page 14: Installation Of Room Cabinet
4. Loosen the four (4) wing nuts on the kickplate and Installing Room Cabinet adjust the kickplate the required distance to the floor. The room cabinet is the last piece to install. The following 5. Tighten the wing nuts firmly. instructions assume all components (wall sleeve, heat sec- 6. -
Page 15: Pdac/Pdhp Digital Touchpad Control
PDAC/PDHP Digital Control Display Function Legend (Also see page 34) Tr = Room Temperature Figure 19. Digital Control rT = Remote Thermostat Control tP = Touchpad Control = Time Ts = Temperature Setpoint rF = Room Freeze Condition Figure 20. Digital Control Indicators... -
Page 16: Operation
Controls Temperature Range The maximum operating temperature range is selectable Standard Digital Touchpad Control via the Touchpad and is 60°F to 85°F, with the limits included. The Remote Thermostat selectable operating Operation range is 60°F to 90°F with limits included. The range is Memory Recall set in the Configuration Mode. -
Page 17: Cool Mode
Modes of Operation-Description Controls Standard Digital Touchpad Control Standard Digital Touchpad Control Cool Mode System Select Operation Using Remote In Cool Mode, the compressor will start if the Thermostat temperature at the space temperature sensor is 1°F or higher than the set point. It will stop if the space System will run in Heat mode and engage certain outputs temperature sensor is 2°F or lower than the set point, based on the system selection (jumper) as described... - Page 18 Modes of Operation-Description Standard Digital Touchpad Control Cool Dry Mode Figure 22. Zone B Select the Cool Dry Mode when the standard Cool Mode does not provide sufficient dehumidification. In Cool Dry Compressor Mode, the unit must run in Cool Mode for 12 minutes or until the temperature differential between the room 8 mins.
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Page 19: Control Board Configuration
Modes of Operation-Description Standard Digital Touchpad Control Control Board Configuration Heat Mode Unit will call for heating based on the type of the heat To enter the Configuration Mode, simultaneously press source it has: heat pump in reverse cycle or electric. the Up and Down buttons for 5 seconds. -
Page 20: Unit Protective Logic
Unit Protective Logic Modes of Operation Compressor Minimum Run Time Standard Digital Touchpad Control For thermostat-controlled running cycles, the compressor will have a minimum run time of 90 seconds. The Indoor Air Sensor Reading compressor can be stopped at any time if the system is To advance from Damper Setting to Indoor Air Sensor switched to any Mode, except the Cool Dry Mode. -
Page 21: Incremental Start-Up Report Audit
Incremental Startup ® Report — Audit Job Name ___________________________________________ City ___________________ G.O. # _________________ Installer _____________________________________________________________________ Total No. of Units_________ UNIT TYPE Date of Final Inspection and Start-up ____________________________________________ SuiteII Type K Type EA Type J Manufacturers’... -
Page 22: Equipment Start-Up
Note: that unless otherwise specifically agreed to in writing, McQuay International includes no field labor, start-up service or the like in the price of its equipment. After the equipment leaves the factory, it may become damaged or maladjusted during transportation or on the job. -
Page 23: Controls Operating Instructions
Controls Premium (Programmable) Digital Touchpad Control Operating Instructions LED with Program Setting Display 8- Push Button 9-LED Indicators Display Inputs Keys and Indicators Labels Application ON/OFF, FAN SPEED, MODE, The Premium Digital Control is used to control an FAN MODE, SLEEP, PROG-ON/OFF Applied PTAC Unit that includes both an integral air 8 Push Buttons Temp buttons:... - Page 24 Controls Premium Digital Touchpad Control Clock Set Menu To set the time and day of the week, press FAN To adjust the lower operating temperature limit MODE and FAN SPEED buttons simultaneously (cool minimum set point) press for 5 seconds. Time will be displayed first: buttons.
- Page 25 Controls Premium Digital Touchpad Control The touchpad of the electronic controller can be To advance to the next screen, press SLEEP programmed for four time periods, MORN, ) button. Cool temperature will be DAY, EVE, and NITE that are customizable for displayed.
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Page 26: Remote Wall Mounted Thermostats
Controls 7-Day Programmable Manual Changeover Thermostat (107095801) Remote Wall Mounted Thermostats Simple, logical programming for set-up and set-back Wall mounted thermostats are available for the Applied temperatures and times. Compatible with single-stage PTAC unit in automatic or manual changeover styles. heat pump systems. -
Page 27: Specifications
7-Day Programmable Automatic Changeover Thermostat Dimensions – 107095701, Thermostat (107095901) 107095801, 107095901 Simple, logical programming for set-up and set-back temperatures and times. Compatible with single-stage heat pump systems. Enables separate morning, day, evening, and night settings for every day of the week. Simpleset™... -
Page 28: Remote Thermostat Primary/Secondary Unit Wiring Connections
Remote Thermostat Control The Remote Thermostat can be any thermostat that can 1. When wiring the low voltage plug and receptacle interface with an electronic thermostat via RCBWYG disconnect, provide enough wire to move harness terminals. The Control Selection jumper must be in out of the way for chassis removal. -
Page 29: Premium (Programmable) Digital Control
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 SEC (Secondary) to select Control by a master unit. -
Page 30: Wiring Diagrams
Wiring Diagrams Premium (Programmable) Digital Control Board Legend Damper Motor Hydronic Valve Compressor Motor Indoor Fan Motor OFM = Outdoor Fan Motor HFLO = Heat Fan Lockout Sensor Outdoor Coil Sensor Outdoor Air Sensor Indoor Coil Sensor Indoor Air Sensor Local User Interface Reversing Valve IR Receiver Board (AP7810) -
Page 31: Premium (Programmable) Digital Control Board With Standby
Wiring Diagrams Premium (Programmable) Digital Control Board with Standby Legend Damper Motor Hydronic Valve Compressor Motor Indoor Fan Motor OFM = Outdoor Fan Motor HFLO = Heat Fan Lockout Sensor Outdoor Coil Sensor Outdoor Air Sensor Indoor Coil Sensor Indoor Air Sensor Local User Interface Reversing Valve IR Receiver Board (AP7810) -
Page 32: Scheduled Maintenance
The metal parts of this unit may be subject to rust or detergent. deterioration in adverse environmental conditions. This B. McQuay recommends that every year the chassis oxidation could shorten the equipment’s useful life. Salt be removed for a thorough checkup. This should... -
Page 33: Recommended Spare Parts
The defective 120°F. (49°C.) Condenser Air 45°F. (7°C.) to Outdoors part can then be returned to McQuay warranty parts. As R22 (Liquid and Gas) to Evaporator long as it is still in warranty, it is repaired or replaced 80°F. -
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
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. Blowers run on cool and compressor starts but stops Operation of overload device due to overloading com- Check voltage supply. - Page 36 If not, it is caused by the condenser blower. This document contains the most current product information as of this printing. For the most up-to-date product information, please go to www.mcquay.com. ® ©2008 McQuay International • www.mcquay.com • 800-432-1342 IM 882 / Page 36 of 36 (Rev 1-08)