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HEAT CONTROLLER, INC.
Installation Operation
and Maintenance
Packaged Terminal
AC/Heat Pumps
EKTC/EKTH
M Series
HEAT CONTROLLER, INC.
1900 Wellworth Ave., Jackson, Michigan 49203 • Ph. 517-787-2100 • Fax 517-787-9341 • www.heatcontroller.com
THE QUALITY LEADER IN CONDITIONING AIR
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with Smart Control ` PACKAGE TERMINAL AIR CONDITIONER/HEAT PUMP Made in USA ATTENTION INSTALLING PERSONNEL As a professional installer you have an obligation to know the product better than the customer. This includes all safety precautions and related items. Prior to actual installation, thoroughly familiarize yourself with this Instruction Manual. Pay special attention to all safety warnings. Often during installation or repair it is possible to place yourself in a position which is more
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Contents Unit Features ........................................................................................... 3 General Information ................................................................................ 5 Installation Instructions .......................................................................... 6 Wiring ....................................................................................................... 8 Operating Instructions..........................................
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Unit Features This unit has many features which are different than those found on conventional PTAC units. The servicer must be familiar with these features in order to properly service the unit. • LCDI or AFCI Power Cords - Underwrites Laboratories and the • Indication LEDs - The touch pad has LEDs that corre- National Electric Code (NEC) now require power cords that spond to fan operation and to indicate unit status. The sense current leakage and can open the electrical circuit to the LEDs ne
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Unit Features • Energy Management System Features Temperature Setback - This option can save energy dollars for unrented or unoccupied rooms by automatically setting back the operational temperatures. This mode of operation is selected through the configuration routine (see Configu- ration Settings section). If none of the keys on the control pad have been pressed for an 18-hour period. The unit will automatically go into a 3-stage setback routine; after 30 minutes, a 1 degrees setback; after 3
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General Information TRANSPORTATION DAMAGE All units are securely packed in shipping containers tested according to International Safe Transit Association specifications. The carton must be checked upon arrival for external damage. If damage is found, a written request for inspection by the carrier’s agent must be made immediately. In the event of damage, the consignee must: 1. Make notation on delivery receipt of any visible damage to shipment or container. 2. Notify carrier promptly and request
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Installation Instructions To ensure that the unit operates safely and efficiently, it must be installed, operated and maintained according to these installation and operating instructions and all local codes and ordinances or, in their absence, with the latest edition of the National Electric Code. The proper installation of this unit is described in the following sections. Following the steps in the order presented should ensure proper installation. WARNING Rear Closure Panel TO PREVENT PROPERT
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Installation Instructions 2. Pull the bottom of the cabinet front away from the chassis until SLEEVE INSTALLATION the retaining clips disengage. NOTE: If front is secured with In order for condensate water to drain properly inside the unit, the screws, remove front mounting screw, then follow front re- sleeve must be installed properly: moval procedure. • Level from right to left. • A slight downward pitch from the indoor side to the outdoor side as shown below. Refer to the Installation Instr
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Installation Instructions 4. Secure the chassis to the wall sleeve using three screws on Screws Wall Sleeve each side of the chassis to ensure a proper seal between the (3 on each chassis and the wall sleeve. The screws are supplied in a side of unit) plastic bag attached to the power cord. IMPORTANT NOTES: 1. The unit is equipped with a rubber grommet mounted com- pressor. These grommets are factory set and require no ad- justment. 2. If a standard subbase is used, be sure the right hand subba
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Wiring VOLTAGE MEASUREMENTS Power Cord Requirements 230/208 Volt Units 265 Volt Units Once the unit is properly wired, measure the unit supply voltage. Heater Size Power Cord Power Cord Voltage must fall within the voltage utilization range given in (kW) Rating (amp) Rating (amp) Table 2. 1.5 15 20 2.5 15 20 Operating Voltage 3.5 20 Not Applicable Unit Voltage Voltage Utilization Range 3.7 Not Applicable 20 Rating Minimum Maximum 5.0 30 30 230/208 197 253 265 238 292 Table 1 - Power Cord Require
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Operating Instructions SW2 AUXILIARY REMOTE THERMOSTAT P10 P11 DS1 DS2 MS1 MS2 EH IN LS FD1 FD2 TF- TF+ C R GL W2 Y/W1 B GH P13 P12 M1 M2 COM A COM B ON / OFF IAT MASTER SWITCH BLACK Control Board User Inputs* *NOTE: The PTAC Wire Harness Kit (PWHK01C) is required for the auxiliary or remote thermostat options. installation of a front desk switch. The following figure shows a ADDITIONAL CONTROL INPUTS wiring schematic for connecting the front desk switch to the unit. The control inputs shown
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Operating Instructions Vent Vent Open Closed No holes are permitted Vent Door Lever Positions in chassis basepan or wallsleeve when routing low voltage wire. Route the Hydronic Heat Installations low voltage wires through To avoid the risk of freezing the steam or water coil during the indention on the front of the basepan. prolonged shut down periods, the vent door must be left closed Low Voltage Wires Routing when the outdoor temperature might fall below freezing. VENT CONTROL AIR DISCHARGE GR
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Operating Instructions 3. Remove the four (4) nuts which secure the discharge air grille • Concealed pipes and chimneys to the cabinet front. • Unheated (uncooled) areas behind the thermostat, such as an outside walls Consult the instruction sheet packaged with the thermostat for further details on mounting and operation. REMOTE THERMOSTAT OPERATION Approved thermostats vary slightly in construction and, with few exceptions, are operated similarly. The following operational description pertains
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X1 X1 O O B** B** Y Y W1 W1 W2 W2 G* G* R R Operating Instructions 3. Run 6 to 8 wires during initial installation. Tape or cap off any unused wires. AUXILIARY REMOTE THERMOSTAT DS1 DS2 MS1 MS2 EH IN LS FD1 FD2 TF- TF+ C R GL W2 Y/W1 B GH Control Board Connections Thermostat Connections Wiring Schematic for Straight Cool Unit *NOTE: For high speed fan operation, connect “G” to “GH”. AUXILIARY REMOTE THERMOSTAT DS1 DS2 MS1 MS2 EH IN LS FD1 FD2 TF- TF+ C R GL W2 Y/W1 B GH Control Board Connecti
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Maintenance and Cleaning WARNING TO AVOID THE RISK OF PROPERTY DAMAGE, ELECTRICAL SHOCK OR PERSONAL INJURY, CLEAN AIR FILTERS AND COILS REGULARLY. CLOGGED ` OR SEVERLY RESTRICTED FILTERS OR COILS REDUCE AIRFLOW WHICH CAN CAUSE DRASTIC EFFICIENCY LOSS AS WELL AS SEVERE COMPONENT DAMAGE TO COMPRESSORS, ELECTRIC HEATER OR FAN MOTOR. IN EXTREME CASES, CLOGGED FILTERS AND/OR COILS MAY CREATE A FIRE HAZARD AND WILL VOID THE WARRANTY. WARNING SOME LOCAL CONDITIONS AND ENVIRONMENTS CAN CAUSE FUNGI AND O
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Maintenance and Cleaning Cabinet Front Basepan and Condenser Coil The cabinet front and discharge air grille can be cleaned with a CAUTION water dampened cloth . Under no circumstances should hydro- carbon-based cleaners (e.g. acetone, benzene, naphtha gaso- DO NOT USE COMMERCIAL GRADE COIL CLEANERS. SOME OF THESE CLEANERS MAY CONTAIN ETHYLENE DIAMINE TETRACETIC ACID (EDTA) line, etc.) be used to clean the front or air grilles. Use care when WHICH CAN SHORTEN THE LIFE OF THE CONDENSER COIL. clea
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Obtaining Service In the event this unit requires repair or servicing beyond what is covered in this manual, contact an authorized service organization. To obtain an authorized servicer, contact your sales representative or agency. Normal Operating Sounds and Conditions Water trickling sounds Water is picked up and distributed over the coil. This improves the efficiency and helps with water removal. Water dripping Water will collect in the base pan during high humidity days. This can cause overf
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Configuration Settings The control can be configured to operate a wide range of options. The options listed below with the * are the factory default settings. If these are acceptable, then the unit does not require any additional configuration and is fully operable. To configure the unit, first select the configuration feature code setting and then an option code to change from the factory default setting. To enter configuration feature mode: 1. Press and continue to hold the up and down arro
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Diagnostic Maintenance & Status Report The Diagnostic Maintenance & Status Report provides detailed information on PTAC control operation and operational status includ- ing present modes, failures, airflow restriction warnings, operating temperatures, and past failures. The lower right hand dot on the center display flashes in this mode. In some cases the green LED located in the lower left hand corner of the touchpad below the OFF key will also be lit. This Green LED “Status Light“ only illum
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Diagnostic Codes ERROR CODE STATUS DISPLAY SUGGESTED ACTION LIGHT Freeze Protection Engaged. The room temperature No Action required. This setting will disengage when measured by the wireless remote thermostat or indoor YN FP M the room temperature rises above 43°F. ambient thermistor active sensor falls below 40°F. O Open front desk switch to allow occupant unit D Fd Front Desk switch is closed. All outputs are switched off. YN operation. E No action if a wired thermostat is being used. S
