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Manual 2100-578B

Page

39 of 41

Motor

Motor OK when

R > 100k ohm

ECM 2.0

Only remove

Hex Head Bolts

Connector Orientation

Between 4 and 8 o'clock

Drip Loop

Back of

Control

Figure 5

Winding Test

Figure 4

Note:
Use the shorter
bolts and
alignment pin

supplied when
replacing an

ECM 2.0
control.

Figure 3

ECM

2.3/2.5

Power Connector
(5-pin)

Control Connector
(16-pin)

Hex-head Screws

Motor Connector
(3-pin)

Control Disassembly

Drip Loop

Push until

Latch Seats
Over Ramp

From Motor

Circuit

Board

TROUBLESHOOTING INDOOR ECM™ BLOWER MOTORS

(Cont’d.)

Figure 18

Figure 19

Figure 20

Replacing ECM Control Module

To replace the control module for the GE variable-speed indoor blower

motor you need to take the following steps:

1. You MUST have the correct replacement module. The controls are

factory programmed for specific operating modes. Even though they look

alike, different modules may have completely different functionality.

USING THE WRONG CONTROL MODULE VOIDS ALL PRODUCT

WARRANTIES AND MAY PRODUCE UNEXPECTED RESULTS.

2. Begin by removing AC power from the unit being serviced.

DO NOT

WORK ON THE MOTOR WITH AC POWER APPLIED.

To avoid

electric shock from the motor’s capacitors, disconnect power and wait at

least 5 minutes before opening motor.
3. It is not necessary to remove the motor from the blower assembly, nor

the blower assembly from the unit. Unplug the two cable connectors to the

motor control assembly. There are latches on each connector.

DO NOT

PULL ON THE WIRES.

The plugs remove easily when properly released.

4. Locate the screws that retain to the motor control bracket to the sheet

metal of the unit and remove them. Remove two (2) nuts that retain

the control to the bracket and then remove two (2) nuts that retain sheet

metal motor control end plate.

Refer to Figure 18.

5. Disconnect the three (3) wires interior of the motor control by using

your thumb and forefinger squeezing the latch tab and the opposite side

of the connector plug, gently pulling the connector.

DO NOT PULL ON

THE WIRES, GRIP THE PLUG ONLY.

Refer to Figure 18.

6. The control module is now completely detached from the motor.

Verify with a standard ohmmeter that the resistance from each motor

lead (in the motor plug just removed) to the motor shell is >100K ohms.

Refer to Figure 19.

(Measure to unpainted motor end plate.) If any

motor lead fails this test, do not proceed to install the control module.

THE MOTOR IS DEFECTIVE AND MUST BE REPLACED.

Installing the new control module will cause it to fail also.

7. Verify that the replacement control is correct for your application.

Refer to the manufacturer’s authorized replacement list.

USING THE

WRONG CONTROL WILL RESULT IN IMPROPER OR NO

BLOWER OPERATION.

Orient the control module so that the 3-wire

motor plug can be inserted into the socket in the control. Carefully insert

the plug and press it into the socket until it latches.

A SLIGHT CLICK

WILL BE HEARD WHEN PROPERLY INSERTED.

8. Reverse the steps #5, 4, 3 to reconnect the motor control to the

motor wires, securing the motor control cover plate, mounting the

control to the bracket, and mounting the motor control bracket back

into the unit.

MAKE SURE THE ORIENTATION YOU SELECT

FOR REPLACING THE CONTROL ASSURES THE CONTROL’S

CABLE CONNECTORS WILL BE LOCATED DOWNWARD

IN THE APPLICATION SO THAT WATER CANNOT RUN

DOWN THE CABLES AND INTO THE CONTROL.

DO NOT

OVERTIGHTEN THE BOLTS.

9. Plug the 16-pin control plug into the motor. The plug is keyed.

Make sure the connector is properly seated and latched.
10. Plug the 5-pin power connector into the motor. Even though the

plug is keyed,

OBSERVE THE PROPER ORIENTATION. DO NOT

FORCE THE CONNECTOR.

It plugs in very easily when properly

oriented.

REVERSING THIS PLUG WILL CAUSE IMMEDIATE

FAILURE OF THE CONTROL MODULE.

11.

Final installation check. Make sure the motor is installed as follows:

a. Motor connectors should be oriented between the 4 o’clock

and 8 o’clock positions when the control is positioned in its

final location and orientation.

b. Add a drip loop to the cables so that water cannot enter the

motor by draining down the cables.

Refer to Figure 20.

The installation is now complete. Reapply the AC power to the HVAC

equipment and verify that the new motor control module is working

properly. Follow the manufacturer’s procedures for disposition of the

old control module.

Содержание I36Z1

Страница 1: ...6Z1 I48Z1 I60Z1 I TEC SERIES PACKAGED HEAT PUMP INSTALLATION INSTRUCTIONS Bard Manufacturing Company Inc Bryan Ohio 43506 Since 1914 Moving ahead just as planned Manual 2100 578B Supersedes 2100 578A File Vol II Tab 14 Date 05 16 13 MIS 3116 ...

Страница 2: ...gure 1 Unit Dimensions 7 Center of Gravity 8 Figure 2A Unit on Lift 8 Figure 2B Unit Side 8 Wall Mounting Bracket Location 10 Bracket Wall Sect View Wood Framed Install 11 Figure 3 Compressor Shipping Bolts 12 Figure 4 Removal of Air Duct 12 Figure 5A Ducted Application 13 Figure 5B 3 Riser Application 13 Figure 5C 6 Riser Application 14 Figure 5D Req d Clearances Rec Access 15 Figure 6 Supply Duc...

Страница 3: ...Summer Manual N Air Conditioning Low Pressure Low Velocity ACCA Manual D or Duct System Design Manual Q Winter and Summer Air Conditioning FOR MORE INFORMATION CONTACT THESE PUBLISHERS ACCA Air Conditioning Contractors of America 1712 New Hampshire Avenue Washington DC 20009 Telephone 202 483 9370 Fax 202 234 4721 ANSI American National Standards Institute 11 West Street 13th Floor New York NY 100...

Страница 4: ...culation made according to methods of Air Conditioning Contractors of America ACCA The air duct should be installed in accordance with the Standards of the National Fire Protection Systems of Other Than Residence Type NFPA No 90A and Residence Type Warm Air Heating and Air Conditioning Systems NFPA No 90B Where local regulations are at a variance with instructions installer should adhere to local ...

Страница 5: ... TREATMENT X Std Hydrophilic Fin Evap Uncoated Alum Cond Coil 1 Phenolic Coated ID Coil 2 Phenolic Coated OD Coil 3 Phenolic Coated ID OD Coil CONTROLS X 24V Terminal Block Only w o CompleteStat 1 CompleteStat THO Temp Humidity Occupancy 2 CompleteStat THO w CO2 3 CompleteStat THO w Ethernet 4 CompleteStat THO w CO2 Ethernet MODEL SERIES NOMINAL CAPACITY 36 36 000 BTUH 48 48 000 60 60 000 ELECTRIC...

Страница 6: ...nal Fuse or Ckt Breaker Field Power Wire Size Ground Wire Size Ckt A Ckt B Ckt A Ckt B Ckt A Ckt B Ckt A Ckt B I36Z1 A0Z A05 A10 j A15 230 208 1 1 1 1 or 2 1 or 2 26 52 78 84 40 60 80 90 8 6 4 4 10 10 8 8 26 26 52 52 40 40 60 60 8 8 6 6 10 10 10 10 I36Z1 B0Z B06 B09 j B15 230 208 3 1 1 1 1 22 40 49 51 30 45 50 60 10 8 8 6 10 10 10 10 I36Z1 C0Z C06 C09 j C15 460 3 1 1 1 1 11 20 24 28 15 20 25 30 14...

Страница 7: ...IRE TIES PART 7950 031 High Voltage Entrance Entrance Low Voltage 20 x 24 Supply Frame With Sides Removed 1 Total Depth 3 8 8 26 7 2 20 18 4 18 3 2 31 1 61 Total Width 1 4 4 28 1 4 9 3 46 1 8 24 Vent Exhaust 2 16 x 25 Door Latch Locking Air Filters Filters Return Air Hinges 4 Lift Off Control Panel Electric Heat Wire Channel Electrical Disconnect Locking Door Latch 2 2 x24 x30 Front Forklift Holes...

Страница 8: ...Unit Tested FRONT OF UNIT DOOR TO CENTER LEFT SIDE TO CENTER FLOOR TO CENTER CRV ERV FLOOR TO CENTER NO VENT X Dimension Y Dimension Z Dimension Z Dimension I36Z1 A B 13 31 43 47 I36Z1 C 13 31 43 47 I48Z1 A B 13 31 43 47 I48Z1 C 13 31 43 47 I60Z1 A B 13 31 43 47 I60Z1 C 13 31 43 47 ...

Страница 9: ...re 1 for fork openings 8 Carefully lift the top section straight up avoiding tipping 9 Move the top section through the doorway place on flat surface free of debris 10 The bottom base can now be moved through the doorway the same way 11 Reassemble the unit by reversing this procedure Tip unit from left side only Failure to do so may result in injury due to unit top heaviness or compressor damage A...

Страница 10: ...eability and filter access must be considered before installing See Figure 5D for required clearances and recommended service access dimensions SECURING UNIT TO STRUCTURE Shipped with the I TEC unit is a wall mounting bracket screwed to shipping skid on backside of unit This bracket can be utilized to secure the top portion of the unit to the wall using the appropriate field supplied hardware base...

Страница 11: ... 94 1 31 Min 20 34 Max 3 1 48 1 2 Max 48 Min 3 Centered 8 Centered 43 1 4 Max 49 16 8 20 20 20 43 7 42 3 4 Min 16 11 15 4 43 3 8 Duct Grille Floor Optional Outside Ceiling Wall Sleeve Telescoping Wall Unit Optional Trim or Supply Duct Box 31 Min 34 Max C L Wall Section View Right Side View Front Wall Only View C L MIS 3196 A 6 00 41 75 56 50 29 56 8 00 8 00 36 88 20 88 MIS 3197 4 lower fastener ho...

Страница 12: ...Manual 2100 578B Page 12 of 41 FIGURE 3 COMPRESSOR SHIPPING BOLTS FIGURE 4 REMOVAL OF AIR DUCT COMPRESSOR SHIPPING BOLT COMPRESSOR SHIPPING BOLT CRV AIR DUCT ...

Страница 13: ...OTTOM OF ROOF FLOOR OR FIXED CEILING SUSPENDED CEILING 20 MINIMUM 7 9 3 4 UNIT HEIGHT 9 7 MINIMUM CLEARANCE RECOMMENDED TO BOTTOM OF ROOF OR FIXED CEILING 9 2 MINIMUM REQUIRED INSTALLATION HEIGHT BOTTOM OF ROOF FLOOR OR FIXED CEILING SUSPENDED CEILING 20 MINIMUM 7 9 3 4 UNIT HEIGHT FIELD SUPPLIED DUCT MIS 3198 TURNING VANES RECOMMENDED MINIMUM 12 4 MINIMUM FROM TOP OF UNIT TO DUCT BOTTOM FIGURE 5B...

Страница 14: ...LEARANCE RECOMMENDED TO BOTTOM OF ROOF OR FIXED CEILING 6 RISER FIELD SUPPLIED DUCT MIS 3200 TURNING VANES RECOMMENDED MINIMUM 12 4 MINIMUM FROM TOP OF UNIT TO DUCT BOTTOM FLOOR OR FIXED CEILING BOTTOM OF ROOF SUSPENDED CEILING 20 MINIMUM 7 9 3 4 UNIT HEIGHT FIGURE 5C 6 RISER APPLICATION ...

Страница 15: ...EQUIRED 12 RECOMMENDED MIN FOR 12 MIN 24 MIN 24 MIN 12 MIN FOR LEFT SIDE ACCESS SIDE 12 MIN FOR RIGHT ACCESS WING WALL CONSTRUCTION TOP VIEW RIGHT CORNER CONSTRUCTION TOP VIEW LEFT CORNER CONSTRUCTION TOP VIEW CLOSET CONSTRUCTION TOP VIEW FILTERS RECOMMENDED SERVICE ACCESS DIMENSIONS MIS 3230 FIGURE 5D REQUIRED CLEARANCES RECOMMENDED ACCESS ...

Страница 16: ...s heat pumps are designed for use with free return non ducted and either duct free with the use of IPBDFZ Series Plenum Box 18 or 12 or a duct supply air system The IPBDZ Plenum Box mounts on top of the unit and has both vertically and horizontally adjustable louvers on the front discharge grille When used with a ducted supply a Cabinet Extension may be used to conceal the ductwork above the unit ...

Страница 17: ...the right hand or left hand optional drain locations on the rear of the unit The hole is covered by insulation on the inside of the unit and will have to be cut away Located inside the unit about 12 inches in from the front on both the left and right side are drain holes in the bottom of the base These holes are covered with insulation and are not visible from inside vent option area They are loca...

Страница 18: ...4 Long Use 12 3 4 Long to Attach Inner Sleeve to Unit Back Self Tapping Screws Use 4 1 2 Long Screws to Attach frame to Exhaust Sleeve Use 12 Field Supplied Concrete or Wood Screws to Secure Outer Sleeve to Structure outer sleeve IMPORTANT IMPORTANT between inner and entire perimeter seam seal between unit and sleeve IMPORTANT Doing so may compromise water to not damage gasketing material Use care...

Страница 19: ...eed insulated 1 Outside wall 2 Area between sleeve and wall 3 Drain area behind unit SIZE VARIES OUTDOOR GRILLE INSIDE WALL AND SLEEVE INTERIOR FLOOR AREA BETWEEN WALL OUTSIDE WALL INSULATED INSULATED FILL INSULATION UNIT SLEEVE MIS 3201 A DRAIN AREA INSULATED WITH 6 BATT MATERIAL FIGURE 9B UNIT MOUNTING ...

Страница 20: ...re sizing information and maximum fuse or HACR Type circuit breaker size Each unit is marked with a Minimum Circuit Ampacity This means that the field wiring used must be sized to carry that amount of current Depending on the installed KW of electric heat there may be two field power circuits required If this is the case the unit serial plate will so indicate All models are suitable only for conne...

Страница 21: ...gging in the motor could result in motor failure TABLE 4 WALL THERMOSTATS W2 terminal is first stage electric heat if equipped First stage electric heat can be operated simultaneously with the heat pump operating A terminal is the ventilation input This terminal energizes any factory installed ventilation option W3 terminal is second stage electric heat When W3 terminal is energized it locks out c...

Страница 22: ...1 Y2 Y1 RT G C W2 Low Voltage Term Strip R 3 SC W1 E A D L O B Y2 Y1 24V G COM W2 Completestat Model CS9B THO or Model CS9BE THO SC SC Thermostat W1 E A YO D L O B Y2 Y1 R G C W2 Bard 8403 060 2 2 Factory installed jumper Remove jumper and connect to N C fire alarm 1 2 Not needed below 15KW 1 MIS 3203 ...

Страница 23: ...SC SC Thermostat W1 E A YO D L O B Y2 Y1 R G C W2 Bard 8403 060 to N C fire alarm circuit if emergency shutdown required 2 Factory installed jumper Remove jumper and connect BLACK WHITE without Occupance Signal is used Connect to G terminal when thermostat has Occupancy Signal 2 1 CRV Wiring Harness 1 Install a jumper between G and A only when thermostat BROWN WHITE ORANGE Not needed below 15KW 2 ...

Страница 24: ...onnect Low If CS9B THOC or CS9BE THOC is used connect Brown White R Y1 Y2 G ORANGE BROWN WHITE 2 1 Term Strip W2 3 L D B W1 Voltage to N C fire alarm circuit if emergency shutdown required Install a jumper between G and A only when thermostat Connect to G terminal when thermostat has Occupancy Signal RT BLACK WHITE 6 C without Occupance Signal is used 1 CRV Wiring Harness 2 RED WHITE 2 6 CO2 Contr...

Страница 25: ...g multiple leaks and recharges R 410A refrigerant is close to being an azeotropic blend it behaves like a pure compound or single component refrigerant The remaining refrigerant charge in the system may be used after leaks have occurred and then top off the charge by utilizing the charging charts on the inner control panel cover as a guideline REMEMBER When adding R 410A refrigerant it must come o...

Страница 26: ...ing power in such a way as to cause rotation in the reverse direction verification of proper rotation must be made Verification of proper rotation direction is made by observing that suction pressure drops and discharge pressure rises when the compressor is energized Reverse rotation also results in an elevated sound level over that with correct rotation as well as substantially reduced current dr...

Страница 27: ...ion a circuit is completed from R B and R Y1 on each heating on cycle energizing reversing valve solenoid and pulling in compressor contactor starting compressor and outdoor motor R G also make starting indoor blower motor Heat pump heating cycle now in operation The second option has no Auto changeover position but instead energizes the reversing valve solenoid constantly whenever the system swit...

Страница 28: ... SPEEDUP terminals to accelerate the HPC timer and initiate defrost Be careful not to touch any other terminals with the instrument used to short the SPEEDUP terminals It may take up to 15 seconds with the SPEEDUP terminals shorted for the speedup to be completed and the defrost cycle to start As soon as the defrost cycle kicks in remove the shorting instrument from the SPEEDUP terminals Otherwise...

Страница 29: ...e orange wire located in the low voltage terminal box and connect it to the G terminal to activate this function See Figures 11 13 SETTING THE VENTILATION CFM LEVELS The I TEC CRV has four pre set levels of ventilation CFM available These are 300 375 450 and 525 CFM of ventilation air The I TEC CRV is shipped from the factory set on the 450 CFM ventilation level To change between these four differ...

Страница 30: ...ED BLUE MED LO VENT OPTION INTAKE EXHAUST SPEEDS 7961 755 2 RED HI MED HI BLUE ORANGE NOM CFM BLACK WIRE COLOR LO ORANGE RED WIRE WITH WHITE TRACE 300 375 450 525 TO CHANGE SPEEDS MOVE BROWN BROWN WHITE Move brown white wire to corresponding motor speed for required ventilation CFM Factory setting is Medium Hi 450 CFM MIS 3206 ...

Страница 31: ...CRV SPEED CHANGE TERMINAL ACCESS BLOWER SPEED CONTROL LOCATION BLOWER SPEED CONTROL BLOWER REMOVED FOR CLARITY CRV DOOR TO ACCESS CRV COMPONENTS REMOVE 9 SCREWS FROM MIS 3207 A CRV INTAKE BLOWER NOTE CRV EXHAUST BLOWER IS BEHIND INTAKE BLOWER ...

Страница 32: ...Manual 2100 578B Page 32 of 41 FIGURE 17 VENTILATION AIRFLOW DIAGRAM Indoor Air VENT EXHAUST Supply Air Outdoor Air BLOWER BLOWER INTAKE VENT SUPPLY BLOWER Return Air MIS 3208 ...

Страница 33: ...ed cleaners aromatic solvents temperatures in excess of 170 F or steam Damage to the wheel may result Do not disassemble and immerse the entire heat wheel in a soaking solution as bearing and other damage may result 3 Rinse wheel thoroughly after application of the cleaning solution and allow to drain before reinstalling 4 No re lubrication is required to heat wheel bearings of the drive motor or ...

Страница 34: ...acitor Replace capacitor Reversing valve does not energize heating only Heat pump control defective Check for 24V between RV C and B C 1 Check control circuit wiring 2 Replace heat pump control Reversing valve solenoid coil defective Check for open or shorted coil Replace solenoid coil Unit will not go into defrost heating only Temperature sensor or heat pump control defective Disconnect temperatu...

Страница 35: ...154529 20 46200 58 16122 96 6383 17 149355 21 44855 59 15710 97 6239 16 144374 22 43554 60 15310 98 6098 15 139576 23 42295 61 14921 99 5961 14 134956 24 41077 62 14544 100 5827 13 130506 25 39898 63 14177 101 5697 12 126219 26 38757 64 13820 102 5570 11 122089 27 37652 65 13474 103 5446 10 118108 28 36583 66 13137 104 5326 9 114272 29 35548 67 12810 105 5208 8 110575 30 34545 68 12492 106 5094 7 ...

Страница 36: ... motor control in cooling mode If this switch is defective or if the outdoor air temperature is too cold to raise the head pressure to the 325 switch closing set point or the system charge is too low this could be the cause of the issue In heat pump heating mode the low ambient fan cycling control is bypassed d If motor is not running go to next section 4 If the motor does not appear to be running...

Страница 37: ...ogic Control Board White Wire connects to W on the Fan Logic Control Board Orange Wire connects to O on the Fan Logic Control Board NOTE A combination of the Yellow White and Orange wires being energized with 24V R signal determines five 5 different speeds the fan motor will operate at The Fan Logic Control Board uses an outdoor thermistor sensor to determine the speed the fan should operate It al...

Страница 38: ...ine if it s air noise cabinet duct or motor noise interview customer if necessary Air noise High static creating high blower speed Is airflow set properly Does removing filter cause blower to slow down Check filter Use low pressure drop filter Check correct duct restrictions Symptom Cause Procedure Noisy blower or cabinet Check for loose blower housing panels etc High static creating high blower s...

Страница 39: ...he control module is now completely detached from the motor Verify with a standard ohmmeter that the resistance from each motor lead in the motor plug just removed to the motor shell is 100K ohms Refer to Figure 19 Measure to unpainted motor end plate If any motor lead fails this test do not proceed to install the control module THE MOTOR IS DEFECTIVE AND MUST BE REPLACED Installing the new contro...

Страница 40: ... 13 12 11 9 3 5 1 2 4 MIS 2839 FIGURE 21 CONTROL CONNECTOR MOTOR HALF Suggested mating connector Housing AMP 350809 1 Contact AMP 350537 1 WARNING Applying 240VAC line input with PIN 1 to PIN 2 jumper in place will permanently damage unit POWER CONNECTOR MOTOR HALF MODE of OPERATION OFF Continuous Blower Ventilation Mode Part Load Cooling Full Load Cooling Dehum Mode when equipped Part Load Heat P...

Страница 41: ...285 54 293 60 301 67 309 74 318 81 326 89 334 97 342 106 349 114 356 122 363 130 370 138 377 I60Z1 70 DB Low Side High Side 38 285 42 289 46 293 50 297 54 301 58 305 63 309 67 313 80 335 94 357 100 365 107 372 114 380 120 387 127 395 Model Return Air Temp Pressure 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 I36Z1 75 DB 62 WB Low Side High Side 131 188 133 209 134 230 136 250 137 271 139 292...

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