CONTENTS Getting Other Information and Publications tart Up For more information, contact these publishers: ... 3 R-410A Refrigerant Required ......... 26 General ................. 4 Topping Off System Charge ........... 26 ANSI Z535.5 Definitions..........4 Safety Practices.............. 26 Description of Standard Equipment ........ 26 I-TEC General Information Important Installer Note ..........
GETTING OTHER INFORMATION AND PUblICATIONS These publications can help you install the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. You can usually find these THESE PUblISHERS: at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard.
See Page 3 for information on codes and standards. The I-TEC must be installed with the Bard Size of unit for a proposed installation should be manufactured IWS wall sleeve and ILG louver based on heat loss or heat gain calculation made grille accessories.
TAblE 2 ElECTRICAl SPECIFICATIONS Single Circuit Multiple Circuit Rated Maximum Minimum Maximum Field Volts, External Field Power Ground Wire Minimum MODEl Circuit Field External Power Ground Hertz & Fuse or Ckt. Wire Size Size Circuit Ampacity Power Fuse or Wire Wire Phase breaker...
FlOOR TO CENTER FlOOR TO CENTER DOOR TO CENTER TO CENTER CRV & ERV NO VENT Unit Tested "X" Dimension "Y" Dimension "Z" Dimension "Z" Dimension I36Z1-A, b 13½" 31" 43½" 47" I36Z1-C 13½" 31½" 43½" 47" I48Z1-A, b 13½"...
SHIPPING DAMAGE HANDlING UNIT AFTER REMOVAl FROM SKID If a wide and tall opening exists, the I-TEC can be moved as a Upon receipt of equipment, the unit should be checked complete assembled unit. If not, use the following directions for for external signs of shipping damage.
REqUIRED STEPS AFTER FINAl PlACEMENT SECURING UNIT TO STRUCTURE The compressor is secured to the base with two (2) bolts Shipped with the I-TEC unit is a wall mounting bracket for shipping. Although the unit will perform as designed (screwed to shipping skid on backside of unit). This bracket with the shipping bolts in place, there may be noticeable can be utilized to secure the top portion of the unit to the additional noise and vibration noted.
FIGURE 5A DUCTED APPlICATION – bASIC UNIT FIELD SUPPLIED DUCT BOTTOM OF ROOF TURNING VANES OR FIXED CEILING RECOMMENDED 12" SUSPENDED 20" CEILING MINIMUM MINIMUM 4" MINIMUM FROM TOP OF UNIT TO DUCT BOTTOM 9'-2" 9'-7" MINIMUM MINIMUM CLEARANCE 7'-9 3/4" REQUIRED RECOMMENDED TO UNIT HEIGHT...
FIGURE 5C 6" RISER APPlICATION FIELD SUPPLIED DUCT BOTTOM OF ROOF TURNING VANES OR FIXED CEILING RECOMMENDED 12" SUSPENDED 20" CEILING MINIMUM MINIMUM 4" MINIMUM FROM TOP OF UNIT TO DUCT BOTTOM 10'-1" MINIMUM CLEARANCE 7'-9 3/4" 9'-8" RECOMMENDED TO UNIT HEIGHT MINIMUM BOTTOM OF ROOF...
FIGURE 5D REqUIRED ClEARANCES & RECOMMENDED ACCESS WING WALL CONSTRUCTION TOP VIEW 12" MIN. 61 1/2" 12" MIN. CLOSET CONSTRUCTION TOP VIEW 61 1/2" 31 3/8" 12" 12" MIN. MIN. 12" MIN. 12" MIN. RECOMMENDED SERVICE ACCESS DIMENSIONS 12" MIN. 12"...
DUCT WORK The unit is equipped with a variable speed indoor blower motor which increases in speed with an increase Any heat pump is more critical of proper operating in duct static pressure. The unit will therefore deliver charge and an adequate duct system than a straight air proper rated airflow up to the maximum ESP shown conditioning unit.
WITH NO VENT OPTION CONDENSATE DRAIN To remove the drain access panels in the rear of this There are two condensate drain connections from the section, simply remove the front door/cover from the condenser drain pan (compressor area). These are box.
FIGURE 9A UNIT MOUNTING Use (12) Field Supplied Concrete Use (12) 3/4" Long or Wood Screws to Secure Outer IMPORTANT! Self Tapping Screws REF. Sleeve to Structure. Apply Caulk bead to to Attach Inner Sleeve entire perimeter seam IMPORTANT! to Unit Back between inner and Apply liberal amount outer sleeve.
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FIGURE 9b UNIT MOUNTING INSIDE WALL (SIZE VARIES) OUTSIDE WALL (INSULATED) AREA BETWEEN WALL AND SLEEVE (INSULATED) OUTDOOR GRILLE UNIT SLEEVE FILL INSULATION DRAIN AREA INTERIOR FLOOR (INSULATED WITH 6" BATT MATERIAL) MIS-3201 A noTicE: in order to achieve optimum sound reduction, the following areas need insulated: 1.
INSTAllATION INSTRUCTIONS WIRING – MAIN POWER MOUNTING THE UNIT The wall sleeve is attached to the I-TEC unit from the Refer to the unit rating plate and/or Table 2 for wire sizing outside of the building. See Figures 9A & 9B. Refer information and maximum fuse or “HACR Type”...
“W2” terminal is first stage electric heat (if equipped). WIRING – lOW VOlTAGE WIRING First stage electric heat can be operated simultaneously 230/208V, 1 PHASE AND 3 PHASE EqUIPMENT with the heat pump operating. DUAl PRIMARY VOlTAGE TRANSFORMERS. “A” terminal is the ventilation input. This terminal All Equipment leaves the factory wired on 240V tap.
Model #CS9BE-THO W1/E Yellow Blue Orange White Thermostat W1/E YO/D Bard #8403-060 B/W1 Voltage Term. Strip Factory installed jumper. Remove jumper and connect to N.C fire alarm Not needed below 15KW 3 Relay Provided with Completestat MIS-3203 A Manual 2100-578E...
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Model #CS9B-THO or Model #CS9BE-THO W1/E Yellow Blue Orange White Thermostat W1/E YO/D Bard #8403-060 B/W1 Voltage Term. Strip RED/WHITE BLACK/WHITE ORANGE BROWN/WHITE CRV Wiring Harness 3 Connect to "G" terminal when thermostat has "Occupancy Signal". Factory installed jumper. Remove jumper and connect to N.C fire alarm circuit if emergency shutdown required.
Yellow Blue Orange White Thermostat Thermostat W1/E W1/E YO/D YO/D Bard #8403-060 Bard #8403-060 noTE: Bard 8403-060 thermostat must be in programmed operation mode and in programmed fan mode for ventilation to function. B/W1 Voltage Term. Strip RED/WHITE BLACK/WHITE ORANGE...
7. Never fill cylinders over 80% of total capacity. TOPPING OFF SYSTEM CHARGE 8. Store cylinders in a cool area, out of direct If a leak has occurred in the system, Bard sunlight. Manufacturing recommends reclaiming, evacuating (see 9. Never heat cylinders above 125°F.
START UP DESCRIPTION OF STANDARD However, three phase compressors will rotate in either direction depending upon phasing of the power. Since EqUIPMENT there is a 50-50 chance of connecting power in such Solid State Electronic heat Pump Control a way as to cause rotation in the reverse direction, Provides efficient 30, 60 or 90-minute defrost cycle.
PRESSURE SERVICE PORTS SEqUENCE OF OPERATION CoolING PART loAd – Circuit R-Y1 makes at High and low pressure service ports are installed on all units so that the system operating pressures can be thermostat pulling in compressor contactor, starting the observed.
DEFROST CYClE There is an initiate defrost jumper (sen jump) on the control that can be used at any outdoor ambient during The defrost cycle is controlled by temperature and time the heating cycle to simulate a 0° coil temperature. on the solid state heat pump control.
Bard The I-TEC Commercial Room Ventilator (CRV) is markets and recommends Bard Part #8403-060 designed to be used with all Bard I-TEC models. The programmable electronic thermostat. only intent of this device is to provide the required 2.
FIGURE 15 CRV MOTOR SPEED/CFM CONFIGURATION VENT OPTION INTAKE/EXHAUST SPEEDS WIRE COLOR SPEED NOM. CFM BLACK BLUE MED-HI ORANGE MED-LO TO CHANGE SPEEDS, MOVE BROWN WIRE WITH WHITE TRACE. 7961-755-2 BLACK BROWN/WHITE BLUE MED. HI ORANGE MED. LO Move brown/white wire to corresponding motor speed for required ventilation CFM.
ANNUAl MAINTENANCE 3. Rinse wheel thoroughly after application of the cleaning solution, and allow to drain before 1. Inspect and conduct the same procedures as reinstalling. outlined under Quarterly Maintenance. 4. No re-lubrication is required to heat wheel bearings 2. To maintain peak latent (moisture) removal of the drive motor, or to the intake and exhaust capacity, it is recommended that the energy blower motors.
TROUblESHOOTING SOlID STATE HEAT PUMP CONTROl NOTE: If there was no power to 24 volt transformer, the compressor and outdoor fan motor will TROUblESHOOTING PROCEDURE not start for 5 minutes. This is because of 1. NOTE: A thorough understanding of the defrost the compressor short cycle protection.
CHECKING TEMPERATURE SENSOR 4. If sensor resistance reads very low, then sensor is shorted and will not allow proper operation of the 1. Disconnect temperature sensor from board and heat pump control. from right-hand outdoor coil. 5. If sensor is out of tolerance, shorted, open, or reads 2.
Defrost Logic Control, and subsequently mounting system is secure to the unit. connects to 24VAC Common through the c. The Bard I-TEC is equipped with a low Fan Logic Control Board. “Yellow Wire” ambient control pressure switch. This pressure connects to “Y” on the Fan Logic Control switch completes the 24VAC Common feed to Board.
speeds the fan motor will operate at. The fan should operate. It also utilizes the “B” Fan Logic Control Board uses an outdoor reversing valve input for heat pump mode to thermistor sensor to determine the speed the determine speed should operate. TAblE 7 TROUblESHOOTING ECM™...
TROUblESHOOTING INDOOR ECM ™ blOWER MOTORS CAuTIoN: Symptom Cause/Procedure Disconnect power from unit before removing or replacing • Noisy blower or cabinet • Check for loose blower housing, panels, etc. connectors, or servicing motor. To avoid electric shock from • High static creating high blower speed? - Check for air whistling through seams in the motor’s capacitors, disconnect power and wait at least 5 ducts, cabinets or panels...
TROUblESHOOTING INDOOR ECM ™ blOWER MOTORS (Cont’d.) Replacing ECM Control Module 7. Verify that the replacement control is correct for your application. Refer to the manufacturer’s authorized replacement list. uSING THE To replace the control module for the GE variable-speed indoor blower WRoNG CoNTRol WIll RESulT IN IMPRoPER oR No motor you need to take the following steps: BloWER oPERATIoN.
TROUblESHOOTING ECM ™ blOWER MOTORS (Cont’d.) Part Full Heat Pump Continuous Dehum. Heat Pump MODE of Part load Full load load load Full load w/ Emergency blower Mode Full load w/ OPERATION (ventilation Cooling Cooling (when Heat Heat 1st bank of 1st &...
TAblE 10A — FUll lOAD COOlING PRESSURE/TEMPERATURE Return Air Model Temp. Pressure 55° 60° 65° 70° 75° 80° 85° 90° 95° 100° 105° 110° 115° 120° 125° 75° DB Low Side 62° WB High Side 80° DB Low Side I36Z1 67°...