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INSTALLATION INSTRUCTIONS
PACKAGED HEAT PUMP
I30H1-A
I36H1-A
I30H1-B
I36H1-B
I30H1-C
I36H1-C
I36H1DA
I30H1DA
I30H1DB
I36H1DB
I30H1DC
I36H1DC
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
www.bardhvac.com
I-TEC
SERIES
®
Models:
I42H1-A
I42H1-B
I42H1-C
I42H1DA
I42H1DB
I42H1DC
I48H1-A
I48H1-B
I48H1-C
I48H1DA
I48H1DB
I48H1DC
MIS-2957 A
Manual:
Supersedes:
Date:
I60H1-A
I60H1-B
I60H1-C
I60H1DA
I60H1DB
I60H1DC
2100-549Q
2100-549P
6-14-17
Page
1 of 61
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Summary of Contents for Bard I30H1-A
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Page 1: Installation Instructions
I30H1-C I36H1-C I42H1-C I48H1-C I60H1-C I36H1DA I42H1DA I48H1DA I60H1DA I30H1DA I30H1DB I36H1DB I42H1DB I48H1DB I60H1DB I30H1DC I36H1DC I42H1DC I48H1DC I60H1DC MIS-2957 A Bard Manufacturing Company, Inc. Manual: 2100-549Q Bryan, Ohio 43506 Supersedes: 2100-549P Date: 6-14-17 www.bardhvac.com Page 1 of 61... -
Page 2: Table Of Contents
Wiring – Low Voltage Wiring ........23 Low Voltage Connections .........23 Changing Ventilation CFM Rates in Manual Mode ..42 Changing to Fully Modulating Mode ......42 General ..............23 Configuring Bard Part #8403-067 CO Control Start Up ................31 for CRV Modulating Control ........46 General ..............31 Topping Off System Charge ........31... - Page 3 Figures Tables Table 1 Factory Built-In Electric Heat Table ..6 Figure 1 Unit Dimensions ........8 Table 1A Indoor Blower Performance ....6 Figure 2A Unit on Lift ........... 9 Table 2 Electrical Specifications ......7 Figure 2B Unit Side ..........9 Center of Gravity Reference Table ..
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Page 4: Getting Other Information And Publications
GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help when installing the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. They can usually be found THESE PUBLISHERS: at the local library or purchase them directly from the publisher. Be sure to consult current edition of each ACCA Air Conditioning Contractors of America standard. -
Page 5: General
See page 4 for information on codes and standards. The I-TEC must be installed with the Bard manufactured IWS wall sleeve and ILG louver Size of unit for a proposed installation should be based grille accessories. These are sold as separate on heat loss or heat gain calculation made according accessories. -
Page 6: I-Tec Series General Information
3 – Phenolic Coated ID & OD Coil R – ERV TABLE 1 Factory Built-In Electric Heat Table I36H1-A I36H1-B I36H1-C I48H1-B I48H1-C Models I30H1-A I30H1-B I30H1-C I48H1-A I60H1-A I42H1-A I42H1-B I42H1-C I60H1-B I60H1-C 240V-1 208V-1 240V-3 208V-3 460V-3 240V-1 208V-1 240V-3 208V-3 460V-3 240V-1 208V-1 240V-3 208V-3 460V-3 240V-1 208V-1... -
Page 7: Electrical Specifications
TABLE 2 Electrical Specifications Single Circuit Dual Circuit Rated Maximum Minimum Maximum No. Field Minimum Field Field Power Ground Wire MODEL Volts, Hertz External Ground Circuit External Fuse or Power Circuit Power Wire Wire Size Size & Phase Fuse or Ckt. Wire Ampacity Ckt. -
Page 8: Figure 1 Unit Dimensions
Manual 2100-549Q Page 8 of 69... -
Page 9: Shipping Damage
SHIPPING DAMAGE HANDLING UNIT AFTER REMOVAL FROM SKID Upon receipt of equipment, the unit should be checked for external signs of shipping damage. The skid must If a wide and tall enough opening exists, the I-TEC can remain attached until the unit is ready for installation. be moved as a complete assembled unit. -
Page 10: Required Steps After Final Placement
REQUIRED STEPS AFTER FINAL access must be considered before installing. See Figure 5D for required clearances and recommended PLACEMENT service access dimensions. The compressor is secured to the base with two (2) bolts for shipping. Although the unit will perform as SECURING UNIT TO STRUCTURE designed with the shipping bolts in place, there may be a noticeable additional noise and vibration noted. -
Page 11: Bracket Wall Section View
RISER KIT DIM A DIM B DIM C NONE 31"-34" MAX 29 17/32" 94 1/8" Wall Section View Bracket Wall Section View IRP-3 (3") 34"-37" MAX 32 17/32" 97 1/8" IRP-6 (6") 37"-40" MAX 35 17/32" 100 1/8" Optional Duct Optional Top 3"... -
Page 12: Figure 3 Center Of Gravity
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 I30H1-A, -B 14" 24" 43½" 47" I30H1-C 14" 24¼" 43½" 47" I36H1-A, -B 14"... -
Page 13: Figure 4 Required Clearances And Recommended Access
FIGURE 4 Required Clearances and Recommended Access WING WALL CONSTRUCTION TOP VIEW 12" MIN. 12" MIN. IMPORTANT Unit can be located in corner with 0" clearance as long as CLOSET CONSTRUCTION TOP VIEW other side is unobstructed 31 3/8" 12" MIN. 12"... -
Page 14: Figure 5 Compressor Shipping Bolts
FIGURE 5 Compressor Shipping Bolts COMPRESSOR SHIPPING BOLT COMPRESSOR SHIPPING BOLT FIGURE 6 Removal of Air Duct CRV/ERV AIR DUCT Manual 2100-549Q Page 14 of 69... -
Page 15: Figure 7A Ducted Application - Basic Unit
FIGURE 7A Ducted Application – Basic Unit Manual 2100-549Q Page 15 of 69... -
Page 16: Figure 7B 3" Riser Application
FIGURE 7B 3" Riser Application Manual 2100-549Q Page 16 of 69... -
Page 17: Figure 7C 6" Riser Application
FIGURE 7C 6" Riser Application Manual 2100-549Q Page 17 of 69... -
Page 18: Duct Work
DUCT WORK above the unit to the ceiling. The ICX9 extends 20" above the unit for a total height of 9'-6" for a floor Any heat pump is more critical of proper operating mounted install (9'-9" with IRP3 riser & 10'-0" with charge and an adequate duct system than a straight air IRP6 riser). -
Page 19: Condensate Drain
CONDENSATE DRAIN Access plates are located on the rear of the unit for servicing the drain trap (see Figure 10). If the drain There are four condensate drain connections from line is to be routed through an unconditioned space, it the condenser drain pan (compressor area). -
Page 20: Figure 11A Unit Mounting
5. Unplug heat recovery cassette on the side chosen to 7. Rear drain access panels are now visible on both access, and slide cassette out the front of the unit. right-hand and left-hand sides in rear of box. 6. Remove two (2) screws securing partition on outboard side of cassette and remove. -
Page 21: Figure 11B Unit Mounting
FIGURE 11B Unit Mounting INSIDE WALL (SIZE VARIES) OUTSIDE WALL (INSULATED) AREA BETWEEN WALL AND SLEEVE (INSULATED) OUTDOOR LOUVER I-TEC UNIT SLEEVE FILL INSULATION DRAIN AREA INTERIOR FLOOR INSULATED WITH 6" BATT MATERIAL MIS-2928 C Manual 2100-549Q Page 21 of 69... -
Page 22: Installation
INSTALLATION 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 11A & 11B. Refer information and maximum fuse or circuit breaker size. -
Page 23: Wiring - Low Voltage Wiring
WIRING – LOW VOLTAGE WIRING condensate overflow trip by the electronic heat pump control. This is a 24 VAC output. 230/208V, 1 PHASE AND 3 PHASE EQUIPMENT “W2” terminal is first stage electric heat (if equipped). DUAL PRIMARY VOLTAGE TRANSFORMERS First stage electric heat can be operated simultaneously All equipment leaves the factory wired on 240V tap. -
Page 24: Figure 13 Basic Heat Pump W/No Vent Pkg ("X" Vent)
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 2 Not needed below 15KW Additional wire required for dehumidification models Relay Provided with Completestat... -
Page 25: Figure 14 Hp W/Crv, Without Co 2 Control ("M" Vent)
W1/E W1/E W1/E 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 Factory installed jumper. Remove jumper and connect Connect to "G" terminal when thermostat has "Occupancy Signal". -
Page 26: Figure 15 Hp With Crv & Co Control ("M" Vent)
Model #CS9B-THO or Model #CS9BE-THO W1/E Yellow Blue Orange White Thermostat W1/E YO/D 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... - Page 27 Model #CS9BE-THO W1/E W1/E W1/E Yellow Blue Orange White Thermostat W1/E YO/D 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...
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Page 28: Figure 16 Hp With Erv, W/O Co Control ("R" Vent) . 27 Figure 17 Hp With Erv & Co Control ("R" Vent)
W1/E W1/E W1/E W1/E Yellow Blue Orange White Thermostat W1/E YO/D 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 BROWN/WHITE... -
Page 29: Figure 18 Hp W/Erv & Co Control (Fully Mod.) ("R" Vent) And Hp W/Mod. Crv ("Q" Vent)
W1/E W1/E W1/E W1/E Yellow Blue Orange White Thermostat W1/E YO/D 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 BROWN/WHITE... -
Page 30: Figure 19 Hp W/Comb. Crv & Db Econ. ("N" Vent)
FIGURE 19 Heat Pump with Combination CRV and DB Economizer (“N” Vent Code) Only Recommend Bard CS9B-THOC or CS9BE-THOC as Require 3 Heating/Cooling Stages Completestat Model #CS9B-THOC or Model #CS9BE-THOC W1/E Yellow Blue Orange White B/W1 Voltage Term. Strip RED/WHITE... -
Page 31: Start Up
8. Store cylinders in a cool area, out of direct sunlight. TOPPING OFF SYSTEM CHARGE 9. Never heat cylinders above 125°F. If a leak has occurred in the system, Bard 10. Never trap liquid R-410A in manifold sets, gauge Manufacturing recommends reclaiming, evacuating lines or cylinders. R-410A expands significantly (see criteria above) and charging to the nameplate at warmer temperatures. -
Page 32: Description Of Standard Equipment
DESCRIPTION OF STANDARD However, three phase compressors will rotate in either direction depending upon phasing of the power. EQUIPMENT Since there is a 50-50 chance of connecting power Solid State Electronic Heat Pump Control in such a way as to cause rotation in the reverse direction, verification of proper rotation must be made. -
Page 33: Sequence Of Operation
SEQUENCE OF OPERATION LOWERING OUTDOOR FAN SPEED FOR SOUND COOLING PART LOAD – Circuit R-Y1 makes at thermostat pulling in compressor contactor, starting Supplied in the literature assembly is a fan control the compressor and outdoor motor. The G (indoor resistor assembly that can be installed to lower the fan motor) circuit is automatically completed on any call speed for reduced sound performance. -
Page 34: Figure 20 Defrost Cycle
If some abnormal or temporary condition such as a high There is also a 5-minute compressor time delay function wind causes the heat pump to have a prolonged defrost built into the HPC. This is to protect the compressor cycle, the heat pump control will restore the system to from short cycling conditions. -
Page 35: I-Tec Commercial Room Ventilator System (Vent Code "M")
RECOMMENDED CONTROL The I-TEC Commercial Room Ventilator (CRV) is SEQUENCES designed to be used with all Bard I-TEC models. The Several possible scenarios are listed below: only intent of this device is to provide the required ventilation by delivering fresh air to meet IAQ (Indoor 1. -
Page 36: Figure 21 Crv Motor Speed/Cfm Configuration
7961-754-9 WARNING WARNING WARNING corresponding CFM needed for the intake and exhaust 1. Open front swinging doors of main unit (by popping 2.336 blowers to meet the design criteria and determine front door latches). 7961-754-1 7961-754-1 7961-754-1 which “speed/wire color” is needed. Then, perform the EXPOSED MOVING PARTS. -
Page 37: Figure 22 Crv Speed Change Terminal Access
FIGURE 22 CRV Speed Change Terminal Access CRV INTAKE BLOWER NOTE: CRV EXHAUST BLOWER IS BEHIND INTAKE BLOWER REMOVE (5) SCREWS FROM CRV DOOR TO ACCESS CRV COMPONENTS MIS-3023 BLOWER SPEED CONTROL LOCATION BLOWER SPEED CONTROL BLOWER REMOVED FOR CLARITY Manual 2100-549Q Page 37 of 69... -
Page 38: I-Tec Combination Crv And Economizer Ventilation System (Vent Code "N")
The I-TEC Combination Commercial Room Ventilator by disposable filters and the intake air blowers are (CRV) and Dry Bulb Economizer is designed to be used with all Bard I-TEC models. This ventilation package protected by washable filters. Both are accessible without the need for tools. -
Page 39: Setting The Ventilation Cfm Levels
SETTING THE VENTILATION CFM Perform the following steps: LEVELS 1. Open front swinging doors of main unit (by popping front door latches). The I-TEC CRV has four pre-set levels of ventilation CFM available. These are 300, 375, 450 and 525 2. -
Page 40: I-Tec Economizer Sequence Of Operation
I-TEC ECONOMIZER SEQUENCE OF • “Y1” thermostat signal powers relay coil “R3” through now closed relay contacts “R2” closing OPERATION contacts between “R” and “Y2” at low voltage If Outdoor Temperature is Below Outdoor Thermostat terminal strip. Setpoint • “Y2” thermostat signal will do nothing, as NC On call from CompleteStat for first stage cooling: contacts of relay “R2”... -
Page 41: I-Tec Modulating Commercial Room Ventilator System (Vent Code "Q")
RECOMMENDED CONTROL SEQUENCES The I-TEC Commercial Room Ventilator (CRV) is designed to be used with all Bard I-TEC models. The Several possible scenarios are listed below: only intent of this device is to provide the required ventilation by delivering fresh air to meet IAQ (Indoor 1. -
Page 42: Changing Ventilation Cfm Rates In Manual Mode
2.336 7961-754-1 7961-754-1 7961-754-1 EXPOSED MOVING PARTS. EXPOSED MOVING PARTS. EXPOSED MOVING PARTS. DISCONNECT ALL ELECTRICAL DISCONNECT ALL ELECTRICAL DISCONNECT ALL ELECTRICAL CHANGING VENTILATION CFM RATES CHANGING TO FULLY MODULATING POWER BEFORE SERVICING. POWER BEFORE SERVICING. POWER BEFORE SERVICING. IN MANUAL MODE MODE FAILURE TO DO SO CAN RESULT FAILURE TO DO SO CAN RESULT... -
Page 43: Figure 25A Crv Manual Mode "M" Terminal
After determining the air volume rates needed for the intended Control application (maximum and minimum), use this table to program CO control output voltages in correlation to the CO levels needed when Bard Control 8403-067 is applied. Manual 2100-549Q Page... -
Page 44: Figure 26 Ventilation Airflow Diagram
FIGURE 26 Ventilation Airflow Diagram Supply Air SUPPLY BLOWER Return Air Outdoor Air VENT INTAKE BLOWER Indoor Air VENT EXHAUST BLOWER MIS-3024 Manual 2100-549Q Page 44 of 69... -
Page 45: Figure 27 Crv Control Access
FIGURE 27 CRV Control Access CRV INTAKE BLOWER NOTE: CRV EXHAUST BLOWER IS BEHIND INTAKE BLOWER CRV DIFFUSER PLATES MIS-3846 REMOVE (5) SCREWS FROM CRV DOOR TO ACCESS CRV CRV CONTROL COMPONENTS PANEL LOCATION Manual 2100-549Q Page 45 of 69... -
Page 46: Figure 28 Control Board Configuration/Setting
Automatic Baseline reduces the “FLOW INDEX”; counterclockwise rotation increases CONFIGURING BARD PART #8403-067 Correction methods which can unintentionally shift the calibration based on CO pressure Dependence: 0.13% of reading per mm of Hg. -
Page 47: Manual 2100-549Q
Thermistor and RTD passive outputs are located on the back plate and do not require BOTTOM TAB Use maximum 18 AWG wire for wiring to terminals. Refer to Figure 5 for wiring any power. Passive temperature outputs are not polarity sensitive. fIGURE 1: Removal Of Cover from Back plate SELF-LATCHING RECEIVER... -
Page 48: Manual 2100-549Q
COH CO high output range Menu Descriptions Sets the CO concentration for the highest output RON Relay on setpoint (20 mA, 5 VDC or 10 VDC). When COH is set Sets the CO concentration which the optional above COL, the transmitter is direct acting and relay is energized. -
Page 49: I-Tec Energy Recovery Ventilator System (Vent Code "R")
I-TEC ENERGY RECOVERY VENTILATOR SYSTEM (VENT CODE "R") GENERAL DESCRIPTION CONTROL WIRING The I-TEC Energy Recovery Ventilator (ERV) was The I-TEC ERV comes wired from the factory ready to designed to provide energy efficient, cost effective operate in manual mode (ON/OFF cycling) and set to ventilation to meet IAQ (Indoor Air Quality) 375 CFM of ventilation. -
Page 50: Recommended Control Sequences
ERV based on 5. Locate two 0-10Vdc motor control boards in daily programmed occupance periods. Bard control panel (see Figure 32). markets and recommends Bard Part #8403-060 REV. DATE DESCRIPTION ECN NO DRN CHK APR programmable electronic thermostat. -
Page 51: Performance And Application Data: Summer Cooling & Winter Heating
PERFORMANCE AND APPLICATION DATA Summer Cooling Performance (Indoor Design Conditions 75°DB/62°WB) Ambient VENTILATION RATE 450 CFM VENTILATION RATE 375 CFM VENTILATION RATE 300 CFM O.D. 65% EFFICIENCY 66% EFFICIENCY 67% EFFICIENCY DB/WB 75 21465 14580 6884 13952 9477 4475 17887 12150 5737 11805 8018 3786 14310 9720 4590 9587... -
Page 52: Figure 29A Erv Manual Mode "M" Terminal
After determining the air volume rates needed for the intended Vdc Signal from application (maximum and minimum), use this table to program CO Control control output voltages in correlation to the CO levels needed when Bard Control 8403-067 is applied. 8.87 8.31 7.61 6.73... -
Page 53: Figure 30 Ventilation Airflow Diagram
FIGURE 30 Ventilation Airflow Diagram Supply Air SUPPLY BLOWER Return Air Outdoor Air VENT INTAKE BLOWER Indoor Air VENT EXHAUST BLOWER MIS-3024 Manual 2100-549Q Page 53 of 69... -
Page 54: Figure 31 Erv Control Access
FIGURE 31 ERV Control Access ERV INTAKE BLOWER NOTE: ERV EXHAUST BLOWER IS BEHIND INTAKE BLOWER ERV CASSETTE ASSEMBLIES MIS-3025 REMOVE (5) SCREWS FROM ERV DOOR TO ACCESS ERV ERV CONTROL COMPONENTS PANEL LOCATION Manual 2100-549Q Page 54 of 69... -
Page 55: Figure 32 Control Board Configuration/Setting
Automatic Baseline Non-Linearity: 16 ppm. adjust to the required CFM of ventilation. Clockwise rotation CONFIGURING BARD PART #8403-067 Correction methods which can unintentionally shift the calibration based on CO pressure Dependence: 0.13% of reading per mm of Hg. -
Page 56: Manual 2100-549Q
Thermistor and RTD passive outputs are located on the back plate and do not require BOTTOM TAB Use maximum 18 AWG wire for wiring to terminals. Refer to Figure 5 for wiring any power. Passive temperature outputs are not polarity sensitive. fIGURE 1: Removal Of Cover from Back plate SELF-LATCHING RECEIVER... -
Page 57: Manual 2100-549Q
COH CO high output range Menu Descriptions Sets the CO concentration for the highest output RON Relay on setpoint (20 mA, 5 VDC or 10 VDC). When COH is set Sets the CO concentration which the optional above COL, the transmitter is direct acting and relay is energized. -
Page 58: Energy Recovery Ventilator Maintenance
The need for periodic cleaning will be a function of process. Proper cleaning of the Bard energy recovery operating schedule, climate and contaminants in the wheel will restore latent effectiveness to near original indoor air being exhausted and in the outdoor air being performance. -
Page 59: Figure 33 Hub Assembly W/Ball Bearings
buildup of foreign material needs to be NOTE: Do not use acid-based cleaners, aromatic removed. solvents, temperatures in excess of 170° F or steam. Damage to the wheel may result. 9. If any belt chirping or squealing noise is present, apply a small amount of LPS-1 or equivalent dry Do not disassemble and immerse the entire film lubricant to the belt. -
Page 60: Troubleshooting
TROUBLESHOOTING SOLID STATE HEAT PUMP CONTROL NOTE: If there was no power to 24 volt transformer, the compressor and outdoor fan motor will not 1. NOTE: A thorough understanding of the defrost start for 5 minutes. This is because of the cycle sequence is essential. -
Page 61: Checking Temperature Sensor
CHECKING TEMPERATURE SENSOR 3. Check resistance reading to chart of resistance use sensor ambient temperature. (Tolerance of part is 1. Disconnect temperature sensor from board and ±10%.) from right-hand outdoor coil. 4. If sensor resistance reads very low, then sensor is 2. -
Page 62: Troubleshooting Condensate Overflow Systems
Systems of the compressor circuit will occur. The Bard I-TEC Series is equipped with dual The electronic switch for the outdoor drain pan has condensate overflow switches. One switch (float type) three LED lights giving a status update (see Figure 36). -
Page 63: Troubleshooting Ecm 142R Outdoor Fan Motors
Also ensure the motor is secure in its mounting system, and the mounting system is secure to the unit. The Bard I-TEC is equipped with a low EXPOSED MOVING PARTS. ambient control pressure switch. This DISCONNECT ALL ELECTRICAL pressure switch completes the 24VAC POWER BEFORE SERVICING. - Page 64 TABLE 7 Troubleshooting ECM™ 142R Outdoor Fan Motors Check between red and black wires for line power Check line power to motor Verify ground by checking green wire to L1 and L2 line power Check "BR" terminal of fan logic control board Check blue fan lead on fan relay terminal of defrost logic control Check for 24VAC common signal to motor ** Is not energized in cooling mode until low ambient fan cycling control is closed by 325 PSIG...
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Page 65: Troubleshooting Ecm™ Indoor Blower Motors
Troubleshooting ECM Indoor Blower Motors CAUTION: Symptom Cause/Procedure • Noisy blower or cabinet • Check for loose blower housing, panels, etc. Disconnect power from unit before removing or replacing • High static creating high blower speed? connectors, or servicing motor. To avoid electric shock - Check for air whistling through seams in from the motor’s capacitors, disconnect power and wait at ducts, cabinets or panels... -
Page 66: Figure 37 Control Disassembly
Replacing ECM Control Module Verify that the replacement control is correct for the application. Refer to the manufacturer’s authorized To replace the control module for the GE variable-speed indoor blower replacement list. USING THE WRONG CONTROL WILL motor you need to take the following steps: RESULT IN IMPROPER OR NO BLOWER OPERATION. -
Page 67: Fan Blade Setting Dimensions
Troubleshooting ECM Indoor Blower Motors Part Heat Pump Continuous Heat Pump Full Dehum. Full MODE of Part Load Full Load Load Full Load w/ Emergency Blower Load w/ 1st & Load Heat Mode (when OPERATION Cooling Cooling Heat 1st Bank of 2nd Bank of Heat Mode (Ventilation... -
Page 68: Pressure/Temperature
TABLE 10A Full Load Cooling Pressure/Temperature AIR TEMPERATURE ENTERING OUTDOOR COIL °F 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°... - Page 69 TABLE 11A Part Load Cooling Pressure/Temperature AIR TEMPERATURE ENTERING OUTDOOR COIL °F 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°...