WallMaster ® PTAC Packaged Terminal Air Conditioners & Heat Pumps • Standard • Remote Thermostat • Seacoast Protected Installation & Operation Manual 920-087-02 (9-03)
920-087-02 (9-03) Table of Contents Unit Components .........................................................................................................................................................................................2 P-Series Announcement/Model Number Code............................................................................................................................................3 Installation Recommendations...............................................................
920-087-02 (9-03) Announcing the Friedrich P-Series Packaged Terminal Air Conditioner. A new approach to reliability and efficiency. A totally redesigned Friedrich PTAC. Thank you for your decision to purchase the newly designed Friedrich Packaged Terminal Air Conditioner (PTAC). We are confident that you will find this unit a quiet and efficient example of Friedrich reliability. This Installation and Operation Manual has been designed to insure maximum satisfaction in the performance of your unit.
920-087-02 (9-03) PTAC Installation Recommendations For proper PTAC unit performance and maximum operating life please refer to the minimum installation clearances below: Figure 1 PTAC units should be installed no closer than 12" apart when two units are side by side. If three of more PTAC units are to operate next to one another allow a minimum of 36" between units. Also, a vertical clearance of 60" should be maintained between units installed.
920-087-02 (9-03) Installation Instructions PXDR10 Drain Kit NOTE: Determine whether drain will be located within the wall, on the indoor side, or will drain to the exterior of the building. Follow appropriate instructions below depending on your particular type of installation. Internal Drain (optional for new construction) NOTE: If installing an internal drain, you MUST install a drain kit on the wall sleeve before the wall sleeve is installed. 1.
920-087-02 (9-03) External Drain (for new construction or unit replacement) When using an external drain system, the condensate is removed through either of two drain holes on the back of the wall sleeve. Select the drain hole which best meets your drainage situation and install the drain kit. Seal off the other with a cover plate. Drain Tube Installation Cover Plate Installation 1.
920-087-02 (9-03) Wall Sleeve Installation Instructions (PXWS) NOTE: Insure that the unit is only installed in a wall structurally adequate to support the unit including the sleeve, chassis and accessories. If the sleeve projects more than 8" into the room, a subbase or other means of support MUST be used. Please read these instructions completely before attempting installation. Figure 5 Typical Wall Sleeve Installation . Lintel to support masonry walls in 1⁄4" m 42 cm) 3 . 07 161⁄4" (41.
920-087-02 (9-03) Figure 6 Dimensions 1⁄4" (6.4 cm) min. A Dimension* Min. Max 1⁄4" (6.4 mm)* 1⁄4" (6.4 mm) --- With Subbase 13⁄4" (4.5 cm) 31⁄2" (8.9cm) 5" (12.7cm) With Lateral Duct 3⁄4" (1.9 cm) 1⁄4" (6.4 mm) --- B Wall 3. Drill two 3/16" holes through each side of the sleeve approximately 4" from top and 4" from bottom of sleeve. Screw four #10 x 1" screws (included) or appropriate fasteners for your installation, through the holes in the sides of the wall sleeve. 4.
20-087-02 (9-03) Section II — Deep Wall Installation (PXWE) If the wall is thicker than allowed in the notes in Figure 6, a sheet metal wall sleeve extension and flashing MUST be used. Installation Instructions for the PXWE – 4" Wall Sleeve Extension The following points MUST be considered when installing a wall sleeve extension: 1 Provision must be made to direct excess condensate from the back of the wall sleeve into the extension then outside the building or to a drainage system. 2.
920-087-02 (9-03) Installation Instructions Model PXGA Standard Grille 1. Remove the center support and weatherboard if still installed in the sleeve. 2. Insert six plastic grommets into the grille openings from the outside of the grille as shown in Figure 9. 3. Insert two #8 x 3/8" sheet metal screws (provided) in the top two outside edge plastic grommets, and tighten them half way into the grommets. 5. Grasp the grille by the attached plastic handles.
920-087-02 (9-03) A. Installation Checklist o Inspect all components and accessories for damage before and after installation. o Install the recommended Condensate Drain Kits for complete condensate removal. o Remove the cardboard wall sleeve support and grille weatherboard. o o Check for proper wall sleeve installation in accordance with the wall sleeve installation instructions. Ensure that the chassis is installed in a 16" high x 42" wide wall sleeve that is no deeper than 13 3/4".
920-087-02 (9-03) Section III – Chassis Installation * Check to be sure the wall sleeve, extension (if used), grille, and drain kit are installed properly before chassis installation 1. Remove the weatherboard and center support from the sleeve (if still in place). Be sure an outdoor grille is attached.
920-087-02 (9-03) 4. Center the chassis in the pre-installed sleeve and carefully push the chassis until the chassis flange and gasket contact the sleeve flange. 4 at the bottom back corners of the cover. Tighten them into the quick nuts located on the chassis to secure the cover. If the unit has been placed such that there is no room to insert the thumbscrews from the bottom, request a Side Mounting kit (Part No. PXSM) from Friedrich.
920-087-02 (9-03) C. Standard Unit Operation Rotate the temperature dial in small increments in the warmer or cooler direction. Moving the dial more than 1/4" at a time may overcompensate and result in an extreme hot or cold situation. • Rotary Switch Operation Control If a remote thermostat is installed, see Appendix A, page 18-20. Temperature Operation The full-range thermostat maintains room temperature at the desired setting in both the heating and cooling modes.
920-087-02 (9-03) E. Heating Control (heat pumps and emergency heat operation) NOTE: Heat pump models only. Heat pump equipped models use backup electric resistance heating coils. At extremely low, outdoor ambient temperatures, the heat pump is automatically disabled and the unit operates solely on electric resistance heat. This control is located behind the decorative front cover and is found on the right side panel of the chassis.
920-087-02 (9-03) H. Air Discharge Grille Moving parts hazard. Turn off electric power before servicing this component. Failure to do so can result in property damage, personal injury and/or death. The air discharge grille can be redirected to blow air either straight up or at an angle into the room. To change the airflow direction, remove the front cover, locate and remove the six grill retaining screws. Reverse the ends of the grille and refasten the grille to the cover. I.
920-087-02 (9-03) Appendix A: Remote Thermostat Unit Installation Remote Thermostat Selection & Wiring Guidelines for Packaged Terminal Air Conditioners Manual Changeover Thermostat Follow the instructions and recommendations of the thermostat manufacturer for installation and wiring. Do not use a conventional heat pump thermostat with emergency electric heat selection for our heat pump units.
920-087-02 (9-03) Appendix A (continued) Remote Thermostat 208V Operation Connection Diagram 208V 60HZ L2 SECONDARY TRANSFORMER PRIMARY 24V G Follow Steps 1 through 5 (pages 12 and 13), then: RIBBED 240V A single stage heat/cool thermostat with auto changeover is needed. The wiring scheme is the same as the manual thermostat.
920-087-02 (9-03) Appendix B: Electrical Wiring for 265 Volt Models NOTE: It is recommended that the PXSB subbase assembly, the PXCJ conduit kit and the PXDS disconnect switch be installed on all hardwired units. If installing a flush-floor mounted unit, make provisions for all the line voltage power leads and conduit to be removed for ease of maintenance and service to the chassis. To install the line voltage power leads and conduit to the chassis, follow the instructions below. 1.
920-087-02 (9-03) J. Routine Maintenance NOTE: Units are to be inspected and serviced by qualified service personnel only. compressed air or vacuum. If using a pressure washer, be careful not to bend the aluminium fin pack. Use a sweeping up and down motion in the direction of the vertical aluminum fin pack when pressure cleaning coils. Cover all electrical components to protect them from water or spray.
920-087-02 (9-03) K. Basic Troubleshooting Techniques Being familiar with the sequence of operation on Standard Controlled Operating Units or the operation of the Remote Thermostat Controlled Units is important. The following questions and answers may help to identify performance problems. Environmental Effects - Cooling Mode Environmental Effects - Heating Mode Is unit sized to room size area and heat load demand? Room Width x Length x 3.
920-087-02 (9-03) Friedrich PTAC Accessories NEW CONSTRUCTION ACCESSORIES MODEL NUMBER PXWS DESCRIPTION WALL SLEEVE G-90 zinc coated steel is prepared in an elevenstep process, then electrostatically coated with a polyester finish and cured in an oven for exceptional durability. The wall sleeve is insulated for thermal efficiency. 16" High x 42" Wide x 133⁄4" Deep. PHOTO PXWS PXGA GRILLE, standard, stamped aluminium, anodized to resist chalking and oxidation.
920-087-02 (9-03) Friedrich PTAC Accessories (continued) ADDITIONAL ACCESSORIES MODEL NUMBER PXSE DESCRIPTION PHOTO SLEEVE EXTENSION RETROFIT KIT G-90 zinc coated steel, 2.4" sleeve extension attached to the room side of the sleeve to allow for the installation of a P-Series Friedrich PTAC in a T-Series sleeve. PXSE PXDA PXDE PXFT LATERAL DUCT ADAPTER Attaches to the PTAC/PTHP unit and provides a transition to direct up to 35% of the total CFM to a secondary room, either left or right of the unit.
FRIEDRICH WALLMASTER® P-SERIES PACKAGED TERMINAL AIR CONDITIONERS LIMITED WARRANTY FRIEDRICH AIR CONDITIONING CO. Post Office Box 1540 · San Antonio, Texas 78295-1540 (210) 357-4400 · FAX (210) 357-4480 SAVE THIS CERTIFICATE. It gives you specific rights, you may also have other rights which may vary from state to state and province to province. In the event that your unit needs servicing, contact your nearest authorized service center.