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Manual 2100-549Q
Page

42 of 69

CHANGING VENTILATION CFM RATES

IN MANUAL MODE

To adjust the airflow ventilation rate, first refer to
Figure 25A to look up the “FLOW INDEX” needed for
the intake and exhaust blowers for the CFM required.
Then, perform the following steps:

1. Open front swinging doors of main unit (by popping

front door latches).

2. Throw main power disconnect to the “OFF”

position to eliminate risk of injury or death due to
electrical shock.

3. Remove five (5) screws holding front CRV door in

place (see Figure 27).

4. Remove CRV controlpanel cover by removing four

(4) screws (see Figure 27).

5. Locate two 0-10Vdc motor control boards in

control panel (see Figure 28).

6. On intake motor control board, observing “GREEN

STATUS LIGHT”, turn manual adjust potentiometer
counterclockwise to increase “FLOW INDEX” or
clockwise to reduce “FLOW INDEX” to match
desired setting.

NOTE:

After long pause, the green status light will

blink long-blinks for the “TEN COUNT” of the “FLOW

RATE INDEX”, then immediately followed by fast blinks

which indicate the second digit. For example, a flow

index of 23 would be two long blinks, followed by three

fast blinks of the “GREEN STATUS LIGHT”.

7. On exhaust motor control board, observing

“GREEN STATUS LIGHT”, turn manual adjust
potentiometer counterclockwise to increase “FLOW
INDEX” or clockwise to reduce “FLOW INDEX” to
match desired setting.

NOTE:

Same “GREEN STATUS LIGHT” blink as Step #6.

CHANGING TO FULLY MODULATING

MODE

If the CRV is to be operated in fully variable mode (Fig.
25B) (only run at required speed to maintain setpoint
CO

levels), the CRV will need to be configured to the

following:

1. Open front swinging doors of main unit (by popping

front door latches).

2. Throw main power disconnect to the “OFF”

position to eliminate risk of injury or death due to
electrical shock.

3. Remove CRV control panel cover by removing four

(4) screws (see Figure 27).

4. Locate two 0-10Vdc motor control boards in

control panel (see Figure 28).

5. Pull jumper pins from “M” terminals, and move to

“P” terminals (see Figure 28).

6. Connect “+” 0-10Vdc output from CO

control to

Terminal #3 (along with pink wire), and connect
“-” to Terminal #4 (along with purple wire) of unit
low voltage terminal strip.

7. Follow the directions supplied with the CO

control

to configure the control appropriately.

8.500

5.500

2.336

1.370

2.585

.745

NO.

DATE

PART

NAME

DWG.

Bryan, Ohio

DISTRIBUTION

1 2 3 4 5

MAT'L

Bard Mfg. Co.

CHECKED

DRAWN BY

SCALE

PART

APPROVED

FORM:

BLACK

DISCONNECT ALL ELECTRICAL

NAMEPLATE LISTING.

IN SEVERE INJURY OR AMPUTATION.

END USE:

7961

-754

-2

LABEL SHEET #1

REMOVE TO DISASSEMBLE, DO NOT

OPE

FER

COLORS:

2 BLINKS

IN SERIOUS INJURY OR DEATH.

DISCONNECT THE REMOTE

7961-754

ASE

SCR

OLL

ESS

ORS

DIECUT SHEET

Suction

EXPOSED MOVING PARTS.

FAILURE TO DO SO CAN RESULT

ELECTRICAL SHOCK CAN RESULT

HI PR. SW./WATER SNSR. FAIL.

FAST BLINK

ELECTRIC POWER SUPPLY OR

IN SEVERE INJURY OR AMPUTATION.

POWER BEFORE SERVICING.

EXPOSED MOVING PARTS.

LO PRESS. SWITCH FAILURE

1 BLINK

INDOOR/OUTDOOR

WARNING

DISCONNECT THE REMOTE

IN SERIOUS INJURY OR DEATH.

HAZARD OF ELECTRICAL SHOCK.

COMPRESSOR TIME DELAY

ROSE

WHITE BACKGROUND

MATERIAL:

DISCONNECT THE REMOTE

MODIFY FACTORY WIRING. DOING

LIGHT

OUTDOOR VINYL, SUPPLIER MUST BE CSA

7961-754-1

DISCONNECT ALL ELECTRICAL

ELECTRICAL SHOCK CAN RESULT

ELECTRIC POWER SUPPLY OR

(High)

7961-754-6

7961-754-10

DESCRIPTION

7961-754-1

WARNING

HAZARD OF ELECTRICAL SHOCK.

PHASES INCORRECT, REVERSE

OPE

SUPPLIES BEFORE SERVICING.

IN SERIOUS INJURY OR DEATH.

GREEN

1:1

DARK ORANGE

HI PRESS. HARD LOCKOUT

CODE

APPROVED FOR ACCEPTABLE ADHESIVE

11/17/2011

PRESENT

SO MAY RESULT IN UNIT DAMAGE.

Discharge

7961-754-7

7961-754-8

7961-754-5

2 UNIT SUPPLY LEADS. DO NOT

ALL

N I

TRUC

iece

ron

rim

TO DISASSEMBLE UNIT

UNIT TIE PLATE

VENT POWER CONNECTION

HP. BOARD TROUBLESHOOTING CODES

DESCRIPTION

UNPLUG AND REMOVE WIRE CLAMPS

NORMAL OPERATION

3 BLINKS

racket

EXPOSED MOVING PARTS.

SUPPLIES BEFORE SERVICING.

4 BLINKS

RED

CODE

CGB

(Low)

R-410A

7961

-754

-2

WARNING

HAZARD OF ELECTRICAL SHOCK.

DEFROST MODE ACTIVE

SLOW BLINK

SUPPLIES BEFORE SERVICING.

WARNING

DAY

RSP

WARNING

BRIGHT YELLOW

WARNING

7961

-754

-2

7961-754-1

7961-754-3

3 PHASE LINE MONITOR CODES

LIGHT

7961-754-4

PRINTING:

DISCONNECT ALL ELECTRICAL

UNIT TIE PLATE

PHASES CORRECT, Y SIGNAL

REMOVE TO DISASSEMBLE, DO NOT

OVERTIGHTEN BOLTS WHEN REPLACING

7961-754-9

OVERTIGHTEN BOLTS WHEN REPLACING

all

POWER BEFORE SERVICING.

FAILURE TO DO SO CAN RESULT

POWER BEFORE SERVICING.

FAILURE TO DO SO CAN RESULT

ELECTRICAL SHOCK CAN RESULT

ELECTRIC POWER SUPPLY OR

REV.

DATE

DESCRIPTION

ECN NO DRN CHK APR

A 11/17/2011 REVISED 2 BLINKS CODE ON #7961-754-4

10629 CB SD RP

B 11/19/2012 REMOVED LOCKING CAPS TEXT ON 7961-754-3

10849 BR SD CB

C 10/30/2013 REVISED "4" BLINKS CODE ON 7961-754-4

11096 BD SD RP

7961-754 C

Содержание I30H1-A

Страница 1: ...yan Ohio 43506 www bardhvac com Manual 2100 549Q Supersedes 2100 549P Date 6 14 17 I30H1 A I30H1 B I30H1 C I36H1 A I36H1 B I36H1 C I42H1 A I42H1 B I42H1 C I48H1 A I48H1 B I48H1 C I60H1 A I60H1 B I60H1...

Страница 2: ...Control Sequences 35 Setting the Ventilation CFM Levels 35 I TEC Combination CRV and Economizer Ventilation System Vent Code N 38 General Description 38 Control Wiring 38 Setting the Ventilation CFM...

Страница 3: ...rminal 43 Figure 25B CRV Mod Mode P Terminal 43 Figure 26 Ventilation Airflow Diagram 44 Figure 27 CRV Control Access 45 Figure 28 Control Board Configuration Setting 46 Figure 29A ERV Manual Mode M T...

Страница 4: ...mmer 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 Conditio...

Страница 5: ...ation 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...

Страница 6: ...umidity Occupancy 2 CompleteStatTM THO w CO2 3 CompleteStatTM THO w Ethernet 4 CompleteStatTM THO w CO2 Ethernet MODEL SERIES NOMINAL CAPACITY 30 30 000 BTUH 36 36 000 42 42 000 48 48 000 60 60 000 EL...

Страница 7: ...3 3 2 10 10 8 8 8 6 35 35 35 59 26 52 52 52 45 45 45 60 30 60 60 60 8 8 8 6 10 6 6 6 10 10 10 10 10 10 10 10 I48H1 B0Z B06 B09 B15 B18 230 208 3 1 1 1 1 1 26 44 53 53 53 35 50 60 60 60 8 8 6 6 6 10 1...

Страница 8: ...Air Filters Vent Intake 2 Washable Control Panel Electric Heat Wire Channel Disconnect Electrical Door Latch Locking Door Latch Locking 2 2 x24 x30 Front Forklift Holes Remove Front Trim 4 58 8 15 5...

Страница 9: ...anually Failure to do so could result in the unit tipping over and causing bodily injury and or damage to the unit 7 The top section can be forked from either the right hand or left hand side See Figu...

Страница 10: ...construction options are available for unit installation of the IZ Series Serviceability and filter access must be considered before installing See Figure 5D for required clearances and recommended s...

Страница 11: ...it Separate telescoping sleeves available for different wall thicknesses Bracket Wall Optional Top Outside Room Floor Level 4 optional Unit Mounting holes Sleeve Mounting Hole Locations FLOOR MOUNTING...

Страница 12: ...ER LEFT SIDE TO CENTER FLOOR TO CENTER CRV ERV FLOOR TO CENTER NO VENT X Dimension Y Dimension Z Dimension Z Dimension I30H1 A B 14 24 43 47 I30H1 C 14 24 43 47 I36H1 A B 14 24 43 47 I36H1 C 14 24 43...

Страница 13: ...TER ACCESS 24 MIN 24 MIN MIS 3273 RECOMMENDED SERVICE WING WALL CONSTRUCTION TOP VIEW CLOSET CONSTRUCTION TOP VIEW LEFT CORNER CONSTRUCTION TOP VIEW FILTERS RIGHT CORNER CONSTRUCTION TOP VIEW ACCESS D...

Страница 14: ...Manual 2100 549Q Page 14 of 69 COMPRESSOR SHIPPING BOLT COMPRESSOR SHIPPING BOLT CRV ERV AIR DUCT FIGURE 5 Compressor Shipping Bolts FIGURE 6 Removal of Air Duct...

Страница 15: ...NDED TO BOTTOM OF ROOF 9 7 MINIMUM OR FIXED CEILING FLOOR OR FIXED CEILING BOTTOM OF ROOF SUSPENDED CEILING 20 MINIMUM 7 9 3 4 UNIT HEIGHT FIELD SUPPLIED DUCT TURNING VANES RECOMMENDED MINIMUM 12 4 MI...

Страница 16: ...ENDED TO BOTTOM OF ROOF 9 10 MINIMUM OR FIXED CEILING 3 RISER FIELD SUPPLIED DUCT TURNING VANES RECOMMENDED 12 MINIMUM 4 MINIMUM FROM TOP OF UNIT TO DUCT BOTTOM MIS 2989 B FLOOR OR FIXED CEILING BOTTO...

Страница 17: ...IXED CEILING 6 RISER 9 8 MINIMUM REQUIRED INSTALLATION HEIGHT BOTTOM OF ROOF FLOOR OR FIXED CEILING SUSPENDED CEILING MINIMUM 20 7 9 3 4 UNIT HEIGHT FIELD SUPPLIED DUCT MIS 2988 B TURNING VANES RECOMM...

Страница 18: ...um 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 an ICX9 or ICX10 Cabinet Extension may be used...

Страница 19: ...ires coming in on left side from upper unit section 5 Unplug two wire harness from front intake blower 6 Remove two 2 screws securing front intake blower and slide blower out of unit 7 Remove four 4 s...

Страница 20: ...eld 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 co...

Страница 21: ...9 OUTDOOR LOUVER SLEEVE AREA BETWEEN WALL AND SLEEVE INSULATED OUTSIDE WALL SIZE VARIES I TEC UNIT INTERIOR FLOOR INSIDE WALL FILL INSULATION MIS 2928 C INSULATED DRAIN AREA INSULATED WITH 6 BATT MATE...

Страница 22: ...ng information and maximum fuse or 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 Dependin...

Страница 23: ...NSFORMERS All equipment leaves the factory wired on 240V tap For 208V operation reconnect from 240V to 208V tap The acceptable operating voltage range for the 240 and 208V taps are as noted in Table 3...

Страница 24: ...SC SC SC GND G COM W2 Completestat Model CS9B THO or Model CS9BE THO SC SC SC W1 E A D L O B Y2 Y1 24V GND Thermostat W1 E A YO D L O B Y2 Y1 R G C W2 Bard 8403 060 Blue Yellow Orange Relay Provided w...

Страница 25: ...or Model CS9BE THO SC SC GND Thermostat W1 E A YO D L O B Y2 Y1 R G C W2 Bard 8403 060 Blue Yellow Orange MIS 3017 A 1 Additional wire required for dehumidification models 2 Not needed below 15KW 3 t...

Страница 26: ...ween G and A only when thermostat 5 4 5 CRV Wiring Harness 1 2 2 3 BROWN WHITE ORANGE BLACK WHITE SC 4 A 6 D L B W1 Y2 Y1 RT G C W2 Term Strip R RED WHITE 3 3 Voltage Low directly to A and do not use...

Страница 27: ...9 A 6 1 Additional wire required for dehumidification models 2 Not needed below 15KW 3 to N C fire alarm circuit if emergency shutdown required Factory installed jumper Remove jumper and connect 4 Con...

Страница 28: ...re alarm circuit if emergency shutdown required Factory installed jumper Remove jumper and connect 4 Occupancy Signal Connect to G terminal when thermostat has 7 without Occupancy Signal is used Insta...

Страница 29: ...1 Additional wire required for dehumidification models 2 Not needed below 15KW 3 to N C fire alarm circuit if emergency shutdown required Factory installed jumper Remove jumper and connect 4 6 withou...

Страница 30: ...onnect 3 Connect orange wire to G terminal 4 4 ORANGE BLACK WHITE RED WHITE L A W1 E Y2 Y1 Y0 24V G Model CS9BE THOC SC SC SC W2 D Y2 W2 L A W3 7 6 RT G COM O B Completestat Term Strip R D Y1 8 CRV EC...

Страница 31: ...ing 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...

Страница 32: ...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 dro...

Страница 33: ...such a tool could result in eye injuries or refrigerant burns To change a Coremax valve without first removing the refrigerant a special tool is required which can be obtained at www fastestinc com e...

Страница 34: ...sequence There is an initiate defrost jumper sen jump on the control that can be used at any outdoor ambient during the heating cycle to simulate a 0 coil temperature This can be used to check defrost...

Страница 35: ...LATOR SYSTEM VENT CODE M structure Running the CRV when the structure is unoccupied allows moisture to build up in the structure because there is little or no cooling load Thus the air conditioner is...

Страница 36: ...ELECTRICAL SHOCK CAN RESULT ELECTRIC POWER SUPPLY OR High 7961 754 6 7961 754 10 DESCRIPTION 7961 754 1 WARNING HAZARD OF ELECTRICAL SHOCK PHASES INCORRECT REVERSE PROPER START UP INFORMATION IMPORTAN...

Страница 37: ...CREWS FROM CRV DOOR TO ACCESS CRV COMPONENTS MIS 3023 CRV INTAKE BLOWER NOTE CRV EXHAUST BLOWER IS BEHIND INTAKE BLOWER BLOWER SPEED CONTROL LOCATION BLOWER SPEED CONTROL BLOWER REMOVED FOR CLARITY FI...

Страница 38: ...nd are balanced to maintain a slight positive pressurization in accordance to ASHRAE 62 1 Standard The ventilation package is also provided with filters to reduce the required service needed and to fu...

Страница 39: ...ith white trace that has as black terminal on the end where it connects to the terminal strip see Figure 24 5 Move the brown wire with white trace to the corresponding CFM level needed in accordance w...

Страница 40: ...second stage cooling YO thermostat signal powers relay coil R2 R2 relay then closes NO contact between R and Y1 at low voltage terminal strip engaging stage 1 mechanical cooling NC contacts of relay...

Страница 41: ...C CRV only during periods when the conditioned space is occupied Running the ventilation during unoccupied periods wastes energy decreases the expected life of the CRV and can result in large moisture...

Страница 42: ...Connect 0 10Vdc output from CO2 control to Terminal 3 along with pink wire and connect to Terminal 4 along with purple wire of unit low voltage terminal strip 7 Follow the directions supplied with th...

Страница 43: ...EX to match desired setting NOTE After long pause the green status light will blink long blinks for the TEN COUNT of the FLOW RATE INDEX which then is immediately followed by fast blinks which indicat...

Страница 44: ...Manual 2100 549Q Page 44 of 69 EXHAUST Return Air Indoor Air VENT Outdoor Air BLOWER BLOWER INTAKE Supply Air VENT SUPPLY BLOWER MIS 3024 FIGURE 26 Ventilation Airflow Diagram...

Страница 45: ...age 45 of 69 PLATES MIS 3846 CRV CONTROL PANEL LOCATION CRV DIFFUSER NOTE CRV EXHAUST BLOWER IS BEHIND INTAKE BLOWER REMOVE 5 SCREWS FROM CRV DOOR TO ACCESS CRV COMPONENTS CRV INTAKE BLOWER FIGURE 27...

Страница 46: ...l outputs allow users to select the transmitter output to be 4 to 20 mA 0 to 5 VDC or 0 to 10 VDC to work with virtually any building management controller An optional relay with user adjustable set p...

Страница 47: ...Select the mounting location away from diffusers lights or any external influences 3 Mount transmitter on a vertical surface to a standard electrical box using the two 6 M2C type screws provided 4 Pu...

Страница 48: ...low output range Sets the CO2 concentration for the lowest output 4 mA or 0 VDC Low limit 0 PPM Factory setting 0 PPM High limit 2000 5000 PPM depending on model COH CO2 high output range Sets the CO...

Страница 49: ...el can occur Consult the factory if this possibility exists The I TEC ERV can be controlled in different ways It can be turned ON OFF with an occupancy control thermostat or CO2 control It can also be...

Страница 50: ...tep 6 CHANGING TO FULLY MODULATING MODE If the ERV is to be operated in fully variable mode Fig 29B only run at required speed to maintain setpoint CO2 levels the ERV will need to be configured to the...

Страница 51: ...8100 0 5345 5345 0 6480 6480 0 4341 4341 0 90 80 31590 7290 24300 20533 4738 15794 26325 6075 20250 17374 4009 13365 21060 4860 16200 14110 3256 10854 75 21465 7290 14175 13952 4738 9213 17887 6075 1...

Страница 52: ...RATE INDEX which then is immediately followed by fast blinks which indicate the second digit For example a Flow Index of 23 would be two long blinks followed by 3 fast blinks of the green status ligh...

Страница 53: ...Manual 2100 549Q Page 53 of 69 EXHAUST Return Air Indoor Air VENT Outdoor Air BLOWER BLOWER INTAKE Supply Air VENT SUPPLY BLOWER MIS 3024 FIGURE 30 Ventilation Airflow Diagram...

Страница 54: ...e 54 of 69 ERV DOOR TO ACCESS ERV COMPONENTS ASSEMBLIES REMOVE 5 SCREWS FROM PANEL LOCATION MIS 3025 ERV CONTROL ERV CASSETTE NOTE ERV EXHAUST BLOWER IS BEHIND INTAKE BLOWER ERV INTAKE BLOWER FIGURE 3...

Страница 55: ...Non Linearity 16 ppm pressure Dependence 0 13 of reading per mm of Hg Response Time 2 minutes for 99 step change Ambient Operating Temperature 32 to 122 F 0 to 50 C Ambient Operating Humidity 10 to 9...

Страница 56: ...ck plate See Figure 1 2 Select the mounting location away from diffusers lights or any external influences 3 Mount transmitter on a vertical surface to a standard electrical box using the two 6 M2C ty...

Страница 57: ...low output range Sets the CO2 concentration for the lowest output 4 mA or 0 VDC Low limit 0 PPM Factory setting 0 PPM High limit 2000 5000 PPM depending on model COH CO2 high output range Sets the CO...

Страница 58: ...covery ventilation systems energy transfer surfaces must be accessible for washing to remove oils grease tars and dirt that can impede performance or generate odors Washing of the desiccant surfaces i...

Страница 59: ...d nonacid based evaporator coil cleaner or alkaline detergent solution such as 409 NOTE Do not use acid based cleaners aromatic solvents temperatures in excess of 170 F or steam Damage to the wheel ma...

Страница 60: ...indoor coil drains check lower outdoor coil drains check main drain line 8 Check for Compressor input signal Is there 24 volts AC between Y and C Yes go to Step 10 No go to Step 11 9 No power to board...

Страница 61: ...31 18 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 25 398...

Страница 62: ...ensate Overflow Switch FIGURE 35 Outdoor Condensate Sensor soft lockout of the compressor circuit If recurrence happens on the same cooling call cycle a hard lockout of the compressor circuit will occ...

Страница 63: ...trol the motor Line power is connected as follows Red wire connects to L1 Black wire connects to L2 Green yellow wire connects to ground Control power is connected as follows Blue wire connects to fan...

Страница 64: ...lluminated when low ambient control switch is in the closed position NOTE This is not required in heat pump operation as the low ambient switch is bypassed in this mode of operation Low ambient switch...

Страница 65: ...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 dow...

Страница 66: ...he 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 38 Measure to unpainted motor end plate...

Страница 67: ...2 4 MIS 2839 FIGURE 40 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 pe...

Страница 68: ...0 421 151 446 152 471 153 496 154 521 155 546 I48H1 75 DB 62 WB Low Side High Side 125 203 126 225 127 248 128 271 129 293 129 316 130 339 131 361 132 384 134 411 135 437 136 464 138 491 139 517 140 5...

Страница 69: ...90 157 414 158 438 159 462 160 486 161 510 I48H1 75 DB 62 WB Low Side High Side 129 183 130 205 131 226 132 248 133 269 133 291 134 313 135 334 136 356 137 381 139 407 140 432 142 458 143 484 144 509...

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