Page 2 - Contents; UNIT FEATURES; • LCDI or AFCI Power Cords - Underwriters Laboratories; LCDI power Cord; pressor cycles off, it will not restart for three minutes.; • Automatic 2; stage electric heat - If the room tempera-; IMPORTANT NOTE TO THE OWNER; RECOGNIZE THIS SYMBOL; W A R N IN G; IMPORTANT NOTE TO THE SERVICER
2 Contents Unit Features .................................................. 2 Installation Instructions ..................................... 5 Wiring ........................................................... 7 Operating Instructions ....................................... 8 Maintenance and Cleani...
Page 3 - Control Panel; • Indication LEDs - The touch pad has LEDs that correspond; Button Touch Pad With Display; • Load shedding - An LS terminal has been added for load; Chassis Front
3 • Automatic freeze protection - Whenever power is sup- plied to the unit and the master switch is in the ON posi-tion, automatic freeze protection is active. If the unitsenses temperature below 40°F, the fan motor and elec-tric strip heat are turned on. Freeze protection can beturned off, if requi...
Page 5 - INSTALLATION INSTRUCTIONS; SLEEVE STIFFENER AND REAR CLOSURE PANEL; DRAIN KIT INSTALLATION (; OPTIONAL ACCESSORY; Sleeve; Wall Sleeve with Stiffener; Rear Closure; Stiffener Removal; SLEEVE INSTALLATION
5 INSTALLATION INSTRUCTIONS To ensure that the unit operates safely and efficiently, it mustbe installed, operated and maintained according to these instal-lation and operating instructions and all local codes and ordi-nances or, in their absence, with the latest edition of theNational Electric Code...
Page 6 - Proper Sleeve Tilt; OUTDOOR GRILLE; Cabinet Front Removal View 1; Pull the bottom of the cabinet front away from the chassis; Cabinet Front Removal View 2; Lift the cabinet front off the chassis. Reverse this procedure; CHASSIS INSTALLATION; Remove the cabinet front from the chassis as described in; Chassis Installation View 1
6 Wall Sleeve Outside Wall Outside Inside Level 1/4 Bubble Tilt To Outside Proper Sleeve Tilt OUTDOOR GRILLE An outside grille must be installed to direct air flow for properunit operation and also protect the outdoor coil. The grille mustbe installed before installing the chassis. Refer to the Inst...
Page 7 - Chassis Installation View 2; WIRING; WARNING; See PTAC Wire Harness Kit Installation Instructions for proper; HEATERLESS UNITS
7 3. Slide the chassis into the wall sleeve until the chassis flanges contact the front edge of the wall sleeve. Chassis Wall Sleeve Outside Wall Screws (3 on each side of unit) Chassis Installation View 2 4. Secure the chassis to the wall sleeve using three screws on each side of the chassis to ens...
Page 8 - Operating Voltage; Voltage Utilization Range; Table 2 - Operating Voltage; OPERATING INSTRUCTIONS; BUTTON TOUCH PAD WITH DISPLAY; Touch Pad With Display User Controls; Control Board User Inputs*; the auxiliary or remote thermostat options.
8 VOLTAGE MEASUREMENTS Once the unit is properly wired, measure the unit supply voltage.Voltage must fall within the voltage utilization range given inTable 2. Unit Voltage Rating Minimum Maximum 230/208 197 253 265 238 292 115 103.5 126.5 Operating Voltage Voltage Utilization Range Table 2 - Operat...
Page 9 - REMOTE CONTROL INPUTS; Maximum Wire; Table 3 - Maximum Wire Length for; Front Desk Switch Wiring Schematic; VENT CONTROL
9 REMOTE CONTROL INPUTS The C, R, GL, W2, Y/W1, B/O, and GH terminals provide controlinputs for a “manufacturer-approved” remote wall mountedthermostat. The “B” terminal can be configured to become “O”if needed see Configuration Settings For remote control thermo-stat operation, refer to the Remote ...
Page 10 - Vent Control Lever; Rotate the vent control lever to either open or close the; Vent Door Lever Positions; Hydronic Heat Installations; AIR DISCHARGE GRILLE; Discharge Grille Orientation Options; grille to the cabinet front.; Discharge Air Flow Grille Removal; Reinstall the screws securing the discharge air grille to the; REMOTE THERMOSTAT; THERMOSTAT LOCATION
10 Vent ControlLever VentControl Vent Door Shipping Screw Vent Control Lever 4. Rotate the vent control lever to either open or close the damper. VentClosed VentOpen Vent Door Lever Positions Hydronic Heat Installations To avoid the risk of freezing the steam or water coil duringprolonged shut down ...
Page 11 - REMOTE THERMOSTAT OPERATION; Table 4 - Remote Control Inputs; If configured, B and O input terminals can be used interchangeably.
11 Do not install the thermostat where it may be affected by thefollowing: • Dead spots behind doors, in corners or under cabinets • Hot or cold drafts from air ducts • Radiant heat from the sun, appliances, or fireplaces • Concealed pipes and chimneys • Unheated (uncooled) areas behind the thermost...
Page 12 - Table 5 - Maximum Wire Length for Remote; MAINTENANCE AND CLEANING; PTAC; MONTHLY MAINTENANCE AND CLEANING; Intake Air Filters; Intake Filter Removal; Vent Screen
12 Maximum W ire Length W ire Size (AW G) Maximum Length Allowed #24 400 ft #22 600 ft #20 900 ft #18 1500 ft #16 2000 ft Table 5 - Maximum Wire Length for Remote Control Connection MAINTENANCE AND CLEANING WARNING S O ME LOCAL CONDITIONS AND ENVIRONMENTS CAN CAUSE FUNGI AND OTHER MATERIAL TO GROW I...
Page 13 - EDTA; CAUTION
13 Cabinet Front The cabinet front and discharge air grille can be cleaned with awater dampened cloth. Under no circumstances should hydro-carbon-based cleaners (e.g. acetone, benzene, naphtha gaso-line, etc.) or ammonia based cleaners be used to clean thefront or air grilles. Use care when cleaning...
Page 14 - OBTAINING SERVICE; To obtain an authorized servicer, contact your sales representa-; Water trickling sounds; CONFIGURATION SETTINGS; To; key twice within a
14 OBTAINING SERVICE In the event this unit requires repair or servicing beyond what iscovered in this manual, contact an authorized service organiza-tion. To obtain an authorized servicer, contact your sales representa- tive or agency. NORMAL OPERATINGSOUNDS AND CONDITIONS Water trickling sounds Wa...
Page 15 - CONFIGURATION SETTINGS CHART; Configuration Code
15 CONFIGURATION SETTINGS CHART Configuration Code Des cription Option Code Description C1 Interface 0 * Chassis Membrane* rE Wireless Remote L5 Wired Thermostat C2 Fan O peration bP Button present bA* 7-Button, reverts to Cyclic A Always run fan (even in Off) bC 7-Button, reverts to Continuous C3 R...
Page 16 - DIAGNOSTIC STATUS REPORT MODE.; up and down; OPERATING TEMPERATURES.
16 DIAGNOSTIC MAINTENANCE& STATUS REPORT The Diagnostic Maintenance & Status Report provides detailedinformation on PTAC control operation and operational statusincluding present modes, failures, airflow restriction warnings,operating temperatures, and past failures. The lower righthand dot ...
Page 17 - DIAGNOSTIC CODES
17 DIAGNOSTIC CODES C1 Indoor Coil is f reezing up. N Y Clean f ilter, Check f or fan and blower operat ion, Check for Refrigerant loss or Restricted capillary tube. C3 Indoor Coil is f reezing up. N Y Clean f ilter, Check f or fan and blower operat ion, Check for Refrigerant loss or Restricted capi...
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