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Bard I30A1DA Installation Instructions Manual

Summary of I30A1DA

  • Page 1

    Page 1 of 68 mis-2957 a i-tec ® series packaged air conditioner models: installation instructions bard manufacturing company, inc. Bryan, ohio 43506 www.Bardhvac.Com manual: 2100-597g supersedes: 2100-597f date: 5-18-16 i30a1da i30a1db i30a1dc i36a1da i36a1db i36a1dc i42a1da i42a1db i42a1dc i48a1da ...

  • Page 2: Contents

    Manual 2100-597g page 2 of 68 contents getting other information and publications .........3 general ...................................................................4 i-tec general information .........................................6 i-tec model nomenclature .......................................

  • Page 3

    Manual 2100-597g page 3 of 68 figures figure 1 unit dimensions .................................... 8 figure 2a unit on lift ........................................... 9 figure 2b unit side .............................................. 9 wall mounting bracket location ............ 10 bracket wall ...

  • Page 4

    Manual 2100-597g page 4 of 68 getting other information and publications these publications can help when installing the furnace. They can usually be found at the local library or purchased directly from the publisher. Be sure to consult the current edition of each standard. National electrical code...

  • Page 5

    Manual 2100-597g page 5 of 68 general the equipment covered in this manual is to be installed by trained, experienced service and installation technicians. The i-tec must be installed with the bard manufactured iws wall sleeve and ilg louver grille accessories. These are sold as separate accessories...

  • Page 6: I-Tec

    Manual 2100-597g page 6 of 68 table 1a factory built-in electric heat table ventilation options b – blank-off plate m – multi-speed crv n – multi-speed crv with economizer mode q – modulating crv (0-10vdc) r – erv i-tec s eries general information i-tec model nomenclature i 36 a 1 d a 0z r p 4 x x 2...

  • Page 7

    Manual 2100-597g page 7 of 68 table 2 electrical specifications these “minimum circuit ampacity” values are to be used for sizing the field power conductors. Refer to the national electric code (latest revision), article 310 for power conductor sizing. Caution: when more than one field power conduct...

  • Page 8

    Manual 2100-597g page 8 of 68 3 3 4 " 24 1 2 " 22 1 4 " lo we r se cti on 71 3 4 " up pe r se cti on sl ee ve in ne r re tu rn sl ee ve ou te r sl ee ve in ne r air re tu rn sl ee ve ou te r air supp ly air (2 ) o pt. Un itdr ain ent ra nc es " 8 3 1 8" 3 1 8 " hi gh v olt age en tra nce ent ra nce ...

  • Page 9: Warning

    Manual 2100-597g page 9 of 68 shipping damage upon receipt of equipment, the unit should be checked for external signs of shipping damage. The skid must remain attached until the unit is ready for installation. If damage is found, the receiving party must contact the last carrier immediately, prefer...

  • Page 10

    Manual 2100-597g page 10 of 68 required steps after final placement the compressor is secured to the base with two (2) bolts for shipping. Although the unit will perform as designed with the shipping bolts in place, there may be a noticeable additional noise and vibration noted. To obtain the lowest...

  • Page 11

    Manual 2100-597g page 11 of 68 7 3/8 18 3/4 17.5" 35" front (wall only) view right side view cl wall section view cl mis-2918 c wall unit outside grille telescoping duct wall sleeve** floor ceiling optional optional trim or supply duct box 31" min. 34" max. Room floor level outside (4) optional unit...

  • Page 12

    Manual 2100-597g page 12 of 68 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 i30a1da, db 13-3/4" 24" 43½" 47" i30a1dc 13-3/4" 24¼" 43½" 47" i36a1da, db 13-3/4" 24" 43½" 47" i36a1d...

  • Page 13

    Manual 2100-597g page 13 of 68 12" min. For right side access 12" min. For left side access 12" min. 12" min. 12" min. 12" min. 0" required 12" recomended 0" required 12" recomended 48" min. 31 3/8" 12" min. 12" min. 48" min. For filter access 24" min. 24" min. Mis-3273 recommended service wing wall...

  • Page 14

    Manual 2100-597g page 14 of 68 figure 6 compressor shipping bolts compressor shipping bolt compressor shipping bolt figure 5 removal of air duct crv/erv air duct.

  • Page 15

    Manual 2100-597g page 15 of 68 9'-2" minimum re quir ed in st all ation he ight cl ea ra nce re comm end ed to bottom of roof 9'-7" minimum or fi xe d c eiling floor or fi xe d c eiling bottom of roof su spe nd ed ce iling 20" minimum 7'-9 3/4" unit h eight fi eld su pp li ed duct turning va nes re ...

  • Page 16

    Manual 2100-597g page 16 of 68 9'- 5" m in im um re qu ir ed in st all at ion he ig ht cl ea ra nce re co mm end ed to botto m of roof 9'- 10 " mi ni m um or fi xe d ce il ing 3" ri se r fi el d su pp li ed duct turn in g va nes re co mm end ed 12" m in im um 4" mi ni m um fr om to p of un it to duc...

  • Page 17

    Manual 2100-597g page 17 of 68 10'-1" minimum cl ea ra nce re comm end ed to bottom of roof or fi xe d c eiling 6" ri se r 9'-8" minimum re quir ed in st all ation he ight bottom of roof floor or fi xe d c eiling su spe nd ed ce iling minimum 20" 7'-9 3/4" unit h eight fi eld su pp li ed duct mi s-2...

  • Page 18

    Manual 2100-597g page 18 of 68 duct work all duct work must be properly sized for the design airflow requirement of the equipment. Air conditioning contractors of america (acca) is an excellent guide to proper sizing. All duct work or portions thereof not in the conditioned space should be properly ...

  • Page 19

    Manual 2100-597g page 19 of 68 (2)optional drain holes optional floor mounting holes (2) unit drains entrances unit drain (2) optional drain access locations 3 8 8" 3 " 3 3 8 " mis-2960 a wall 40 3 4 " 7 3/16 18 3/4 35" 16 1/2 condensate drain there are two condensate drain connections from the cond...

  • Page 20

    Manual 2100-597g page 20 of 68 pull inner frame out until flush with louver mounting angle use (12) field supplied concrete or wood screws to secure outer sleeve to structure. Use care when inserting screws to not damage gasketing material. Between inner and important! Outer sleeve. Entire perimeter...

  • Page 21

    Manual 2100-597g page 21 of 68 interior floor i-tec unit outside wall fill insulation fill insulation outdoor grille (size varies) inside wall sleeve mis-2928 a figure 11b unit mounting.

  • Page 22: Installation

    Manual 2100-597g page 22 of 68 installation mounting the unit the wall sleeve is attached to the i-tec unit from the outside of the building. See figures 9a and 9b. Refer to wall sleeve manual 2100-562 supplied with sleeve. Following are the steps for attaching the i-tec to the wall sleeve. 1. Lift ...

  • Page 23: Caution

    Manual 2100-597g page 23 of 68 tap range 240v 253 – 216 208v 220 – 187 low voltage connections for ddc control fan only energize g cooling part load energize g, y1 cooling full load energize g, y1, y2 heating with bank #1 electric heat only energize g, w2 emergency heat energize g, w2, w3 ventilatio...

  • Page 24

    Manual 2100-597g page 24 of 68 figure 13 basic air conditioner with no ventilation package ("x" vent code) 6 4 w3 a d l b/w1 y2 y1 rt g c w2 low voltage term. Strip r 3 thermostat w1/e a yo/d l o/b y2 y1 r g c w2 bard #8403-060 blue yellow orange 4 1 relay provided with completestat 1 additional wir...

  • Page 25

    Manual 2100-597g page 25 of 68 figure 14 air conditioner with crv, without co 2 control ("m" vent code) 6 4 w3 a d l b/w1 y2 y1 rt g c w2 low voltage term. Strip r 3 thermostat w1/e a yo/d l o/b y2 y1 r g c w2 bard #8403-060 blue yellow orange mis-3258 a 1 additional wire required for dehumidificati...

  • Page 26

    Manual 2100-597g page 26 of 68 figure 15 air conditioner with crv and co 2 control ("m" vent code) 5 2 1 6 thermostat w1/e a yo/d l o/b y2 y1 r g c w2 bard #8403-060 blue yellow orange 3 completestat mis-3259 a low voltage 1 additional wire required for dehumidification models. 2 not needed below 15...

  • Page 27

    Manual 2100-597g page 27 of 68 figure 16 air conditioner with erv, without co 2 control ("r" vent code) 6 4 w3 a d l b/w1 y2 y1 rt g c w2 low voltage term. Strip r 3 thermostat w1/e a yo/d l o/b y2 y1 r g c w2 bard #8403-060 blue yellow orange completestat mis-3260 a 6 1 additional wire required for...

  • Page 28

    Manual 2100-597g page 28 of 68 figure 17 air conditioner with erv and co 2 control (on/off cycling) ("r" vent code) thermostat w1/e a yo/d l o/b y2 y1 r g c w2 bard #8403-060 blue yellow orange model #cs9b-tho or 6 a 6 w1/e completestat mis-3261 a additional wire required for dehumidification models...

  • Page 29

    Manual 2100-597g page 29 of 68 figure 18 air conditioner with erv and co 2 control (fully modulating) ("r" vent code) and heat pump with modulating crv ("q" vent code) thermostat w1/e a yo/d l o/b y2 y1 r g c w2 bard #8403-060 blue yellow orange mis-3262 a 5 1 additional wire required for dehumidifi...

  • Page 30

    Manual 2100-597g page 30 of 68 blue yellow orange voltage blue model #cs9b-thoc or b/w1 red gnd low additional wire required for dehumidification models. 1 not needed below 15kw. 2 2 3 to n.C fire alarm circuit if emergency shutdown required. Factory installed jumper. Remove jumper and connect 3 con...

  • Page 31: Start Up

    Manual 2100-597g page 31 of 68 start up these units require r-410a refrigerant and polyol ester oil. General 1. Use separate service equipment to avoid cross contamination of oil and refrigerants. 2. Use recovery equipment rated for r-410a refrigerant. 3. Use manifold gauges rated for r-410a (800 ps...

  • Page 32

    Manual 2100-597g page 32 of 68 description of standard equipment high/low pressure switch provides refrigerant circuit high pressure and loss of charge protection. Includes lockout circuit built into compressor control module that is resettable from room thermostat. 5- minute compressor time delay p...

  • Page 33

    Manual 2100-597g page 33 of 68 sequence of operation cooling part load – circuit r-y1 makes at thermostat pulling in compressor contactor, starting the compressor and outdoor motor. The g (indoor motor) circuit is automatically completed on any call for cooling operation or can be energized by manua...

  • Page 34

    Manual 2100-597g page 34 of 68 warning! Do not use a schrader valve core removal tool with these valves. Use of 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.Fas...

  • Page 35: (Vent Code "m")

    Manual 2100-597g page 35 of 68 general description the i-tec commercial room ventilator (crv) is designed to be used with all bard i-tec models. The only intent of this device is to provide the required ventilation by delivering fresh air to meet iaq (indoor air quality) requirements. In the install...

  • Page 36: Warning

    Manual 2100-597g page 36 of 68 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 21). 4. L...

  • Page 37

    Manual 2100-597g page 37 of 68 figure 21 crv speed change terminal access remove (5) screws 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.

  • Page 38: I-Tec Combination Crv And

    Manual 2100-597g page 38 of 68 general description the i-tec combination commercial room ventilator (crv) and dry bulb economizer is designed to be used with all bard i-tec models. This ventilation package and its control provides two roles: • it will provide the required ventilation by delivering f...

  • Page 39

    Manual 2100-597g page 39 of 68 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. This ventilation package is shipped from the factory set on the 375 cfm ventilation level while the economizer...

  • Page 40

    Manual 2100-597g page 40 of 68 i-tec economizer sequence of operation if outdoor temperature is below outdoor thermostat setpoint on call from completestat tm for first stage cooling: • “yo” thermostat signal powers vent blower motors at economizer speed/airflow (black – 525 cfm) through nc contacts...

  • Page 41

    Manual 2100-597g page 41 of 68 i-tec modulating commercial room ventilator system (vent code "q") general description the i-tec commercial room ventilator (crv) is designed to be used with all bard i-tec models. The only intent of this device is to provide the required ventilation by delivering fres...

  • Page 42: Suction

    Manual 2100-597g page 42 of 68 changing ventilation cfm rates in manual mode to adjust the airflow ventilation rate, first refer to figure 24a 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 o...

  • Page 43

    Manual 2100-597g page 43 of 68 erv "manual mode" jumper pin on "m" terminal erv "modulating mode" jumper pin on "p" terminal erv cfm flow index (light blink code) cfm vdc signal from co2 control 450 100 450 10 425 89 425 8.87 400 83 400 8.31 375 76 375 7.61 350 59 350 6.73 325 50 325 5.91 300 40 300...

  • Page 44

    Manual 2100-597g page 44 of 68 exhaust return air indoor air vent outdoor air blower blower intake supply air vent supply blower mis-3024 figure 25 ventilation airflow diagram.

  • Page 45

    Manual 2100-597g page 45 of 68 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 26 crv control access.

  • Page 46

    Manual 2100-597g page 46 of 68 figure 27 control board configuration/setting configuring bard part #8403-067 co 2 control for crv modulating control bard part #8403-067 c arbon dioxide and temperature transmitters accurately monitor the co 2 concentration and temperature in schools, office buildings...

  • Page 47

    Manual 2100-597g page 47 of 68 mounting 1. Push tab on bottom of cover and lift cover from back plate. 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 type screws pro...

  • Page 48

    Manual 2100-597g page 48 of 68 menu descriptions ron relay on setpoint sets the co 2 concentration which the optional relay is energized. Low limit: 0 ppm factory setting: 1000 ppm high limit: 2000/5000 ppm (depending on model) rof relay off setpoint sets the co 2 concentration which the optional re...

  • Page 49: (Vent Code "r")

    Manual 2100-597g page 49 of 68 general description the i-tec energy recovery ventilator (erv) was designed to provide energy efficient, cost effective ventilation to meet iaq (indoor air quality) requirements while still maintaining good indoor comfort and humidity control for a variety of applicati...

  • Page 50: Warning

    Manual 2100-597g page 50 of 68 warning • hazard of electrical shock. • electrical shock can result in serious injury or death. • disconnect the remote electric power supply or supplies before servicing. 5. Use a manual timer that the occupants turn to energize the erv for a specific number of hours....

  • Page 51

    Manual 2100-597g page 51 of 68 legend: vlt = ventilation load – total vls = ventilation load – sensible vll = ventilation load – latent hrt = heat recovery – total hrs = heat recovery – sensible hrl = heat recovery – latent wvl = winter ventilation load whr = winter heat recovery note: all performan...

  • Page 52

    Manual 2100-597g page 52 of 68 erv "manual mode" jumper pin on "m" terminal erv "modulating mode" jumper pin on "p" terminal erv cfm flow index (light blink code) cfm vdc signal from co2 control 450 100 450 10 425 89 425 8.87 400 83 400 8.31 375 76 375 7.61 350 59 350 6.73 325 50 325 5.91 300 40 300...

  • Page 53

    Manual 2100-597g page 53 of 68 figure 29 ventilation airflow diagram exhaust return air indoor air vent outdoor air blower blower intake supply air vent supply blower mis-3024.

  • Page 54

    Manual 2100-597g page 54 of 68 figure 30 erv access 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.

  • Page 55

    Manual 2100-597g page 55 of 68 figure 31 control board configuration/setting configuring bard part #8403-067 co 2 control for erv modulating control bard part #8403-067 carbon dioxide and temperature transmitters accurately monitor the co 2 concentration and temperature in schools, office buildings ...

  • Page 56

    Manual 2100-597g page 56 of 68 mounting 1. Push tab on bottom of cover and lift cover from back plate. 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 type screws pro...

  • Page 57

    Manual 2100-597g page 57 of 68 temperature and barometric pressure measurements can be displayed in us engineering units or si engineering units. The factory default is to display us engineering units. Us units f for temperature and in hg for barometeric pressure si units c for temperature and hpa f...

  • Page 58

    Manual 2100-597g page 58 of 68 levels of smoke or oil-based aerosols such as those found in welding or machining operations, for example. In these applications, latent efficiency losses of as much as 40% or more may develop over a period of 1 to 3 years. Cleanability and performance in order to main...

  • Page 59

    Manual 2100-597g page 59 of 68 figure 32 hub assembly with ball bearings.

  • Page 60: Troubleshooting

    Manual 2100-597g page 60 of 68 checking temperature sensor 1. Disconnect temperature sensor from board and from right-hand outdoor coil. 2. Use an ohmmeter and measure the resistance of the sensor. Also use ohmmeter to check for short or open. 3. Check resistance reading to chart of resistance use s...

  • Page 61

    Manual 2100-597g page 61 of 68 troubleshooting condensate overflow systems the bard i-tec series is equipped with dual condensate overflow switches. One switch (float type) is located in the indoor drain pan. It is secured to the drain pan with a screw-down clamp (see figure 33). The second switch (...

  • Page 62: Warning

    Manual 2100-597g page 62 of 68 1. In normal operation, this motor may rock back and forth on start up. Do not replace if this is the only symptom identified. 2. If the system is operating properly, but the motor appears to run slower than it should, the motor is good. High efficiency systems with op...

  • Page 63

    Manual 2100-597g page 63 of 68 check line power to motor check between red and black wires for line power verify ground by checking green eire to l1 and l2 line power check for 24vac common signal to motor (against transformer "r" signal) check "br" terminal of fan logic control board check "blue" f...

  • Page 64

    Manual 2100-597g page 64 of 68 troubleshooting ecm tm indoor blower motors caution: disconnect power from unit before removing or replacing connectors, or servicing motor. To avoid electric shock from the motor’s capacitors, disconnect power and wait at least 5 minutes before opening motor. Symptom ...

  • Page 65

    Manual 2100-597g page 65 of 68 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...

  • Page 66

    Manual 2100-597g page 66 of 68 fan blade setting dimensions the position of the fan blade should be flush with the leaving face of the orifice plate. Check to make sure the blades do not extend beyond the rear casing of the unit. Spin the blade by hand to make sure it does not hit the ring. Mode of ...

  • Page 67

    Manual 2100-597g page 67 of 68 table 8 full load cooling pressure/temperature model return air temp. Pressure air temperature entering outdoor coil °f 55° 60° 65° 70° 75° 80° 85° 90° 95° 100° 105° 110° 115° 120° 125° i30a1d 75° db 62° wb low side high side 117 202 118 224 120 246 121 267 123 289 124...

  • Page 68

    Manual 2100-597g page 68 of 68 table 9 part load cooling pressure/temperature model return air temp. Pressure air temperature entering outdoor coil °f 55° 60° 65° 70° 75° 80° 85° 90° 95° 100° 105° 110° 115° 120° 125° i30a1d 75° db 62° wb low side high side 127 184 128 206 129 227 129 249 130 270 131...