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Bosch

BVA 2.0 Series Air Handler

2-3-4-5 Ton Capacity
R410A

Installation Instructions

Содержание BVA 2.0 Series

Страница 1: ...Bosch BVA 2 0 Series Air Handler 2 3 4 5 Ton Capacity R410A Installation Instructions ...

Страница 2: ...2 Bosch IDS BVA 2 0 Installation Instructions 02 2019 Bosch Thermotechnology Corp Data subject to change ...

Страница 3: ...rtical Downﬂow 10 3 3 Horizontal 10 3 4 Installation in an Unconditioned Space 12 4 Electrical wiring 13 4 1 Power Wiring 13 4 2 Control Wiring 13 4 3 Grounding 13 4 4 Electrical Data 13 4 5 Electric Heat Kit MCA MOP Data 14 5 Airflow Performance 15 5 1 Indoor Fan Motor Function 16 6 Ductwork 17 7 Refrigerant Connections 18 7 1 Condensate Drain Connection 18 8 Air Filter Not Factory Installed 19 9...

Страница 4: ...ation adjustment service or maintenance possibly resulting in fire electrical shock property damage personal injury or death This document is customer property and is to remain with this unit These instructions do not cover all the diﬀerent variations of systems nor does it provide for every possible contingency to be met in connection with installation WARNING FIRE ELECTRICAL SHOCK PROPERTY DAMAG...

Страница 5: ...For more information go to www P65Warnings ca gov WARNING ELECTRICAL SHOCK The unit must be permanently grounded Failure to do so can result in electrical shock causing personal injury or death CAUTION FIRE HAZARD The material of plenum and ductwork must meet the latest edition of the NFPA 90B standard NOTICE Make sure the blower motor support is tight 3 motor mounting bolts Fig 1 Then check if wh...

Страница 6: ...he installed unit must have the required clearances as shown in Figure 2 Failure to follow these instructions may result in equipment damage and or premature equipment failure WARNING FIRE HAZARD Keep flammable material and vapors such as gasoline away from the air handler Failure to follow these instructions can result in death explosion or fire 2 1 Installations in High Humidity Environments Whe...

Страница 7: ...rtical Downflow NOTICE Inner extra drain pan is recommended to be installed for 4 and 5 ton vertical downflow applications installed in high humidity environments This inner extra drain pan can be ordered from the manufacturer as a spare part Refer to Figure 6 NOTICE For high humidity installations which include electric heat strips it is recommended to install spacing brackets available as a spar...

Страница 8: ...ION LIQUID LINE CONNECTION PRIMARY DRAIN CONNECTION VERTICAL DRAIN PAN AUXILIARY HORIZONTAL AUXILIARY UPFLOW DOWNFLOW STRAPS REAR WATER CATCHER TOP AIR STOP DRAIN CONNECTION DRAIN CONNECTION FRONT WATER CATCHER 60 48K 36 24K STRAPS THIS SYSTEM IS CHARGED WITH NITROGEN BEFORE SHIPMENT NON ADJUSTABLE TXV SENSOR T2 LOCATION Indoor Coil and Drain Pan Set Up ...

Страница 9: ...SIDE LOW VOLTAGE CONNECTION CIRCUIT BREAKER SWITCH FOR ELECTRIC HEATER ONLY VAPOR LINE CONNECTION COPPER TUBE SWEAT LIQUID LINE CONNECTION COPPER TUBE SWEAT AUXILIARY DRAIN CONNECTION 3 4 FEMALE PIPE THREAD NPT AUXILIARY DRAIN CONNECTION 3 4 FEMALE PIPE THREAD NPT PRIMARY DRAIN CONNECTION 3 4 FEMALE PIPE THREAD NPT H D HIGH VOLTAGE CONNECTION 1 DIA KNOCK OUTS 4 3 8 3 1 8 7 ModelSize DimensionsInch...

Страница 10: ...verted to vertical downﬂow Remove the coil access panel and indoor coil and reinstall 180 from original position See Figure 10 and Figure 11 Figure 10 1 1 4 2 11 12 1 3 8 1 1 4 1 9 16 H2 2 3 4 H1 AIRFLOW Dimensions For Air Handler Coil Section ModelSize H1 Inch mm H2 Inch mm 24 36 17 2 5 441 5 6 2 5 162 5 48 60 22 1 6 563 5 10 1 2 267 2 Table 3 3 3 Horizontal Horizontal right is the default factor...

Страница 11: ...ct the T2 sensor from the liquid pipe on the A coil Pull the sensor wire through the liquid line hole in the cabinet cover see 2A on Figure 10 Step 2 Figure 11 STEP 2 STEP 1 STEP 3 2A 3A Vertical Downflow Horizontal Left Applications Conversion 3 Replace the coil in the correct orientation and secure in place Remove the knockout labeled 3A in Figure 10 Step 3 in the side of the cabinet and add the...

Страница 12: ...il Failure to use the drain pan can result in property damage Conversion in Horizontal Direction Horizontal right hand supply can be changed to horizontal left hand supply by removing the indoor coil and reinstalling 180 from original 3 4 Installation in an Unconditioned Space NOTICE There are two pairs of coil rails in the air handler for upflow and downﬂow application If the air handler is insta...

Страница 13: ...type circuit breakers High voltage wiring may be run through knockout holes on the right left or top of the unit Three 7 8 1 3 8 1 3 4 dia concentric knockouts are provided for running high voltage wiring to the unit High voltage wiring must be connected to the red and black wiring in the control section of the air handler 4 2 Control Wiring Low voltage control wiring should not be run in conduit ...

Страница 14: ... 8 52 1 50 9 45 2 60 60 60 50 X X X EHK 05B 60 5 31 8 28 3 35 30 X X EHK 08B 7 5 44 8 39 6 45 40 X X EHK 10B 10 57 8 50 9 60 60 X X EHK 15B 15 57 8 26 1 50 9 22 6 60 30 60 25 X X EHK 20B 20 57 8 52 1 50 9 45 2 60 60 60 50 X X X Table 5 Suitable heat kits for AHU multi position installation Heat kit suitable for AHU 4 way position installation Ampacities for MCA and Fuse breaker including the blowe...

Страница 15: ...366 386 Tap 2 SCFM 1499 1451 1398 1340 1288 1247 1188 1058 993 Watts 198 212 224 234 243 256 271 290 303 Tap 1 Default Low Stage Setting SCFM 1363 1307 1250 1181 1134 1062 938 875 835 Watts 151 163 175 181 193 206 224 232 243 60 Tap 5 SCFM 2029 1988 1947 1900 1858 1815 1771 1716 1671 Watts 466 482 498 514 528 541 553 565 572 Tap 4 Default High Stage Setting SCFM 1881 1843 1800 1754 1708 1666 1626 ...

Страница 16: ...mperature This feature prevents cold air blow during heating operation 1 When SW6 3 dip switch is set to the ON position and the unit is in heating mode the Anti Cold Air Fan Delay function will activate based on the following entry conditions all 3 conditions must be met a Indoor Coil Temperature T2 82 4 b Electric heat kit is turned oﬀ c There is a call for Y1 from thermostat to indoor unit 2 Th...

Страница 17: ... the system airflow be adequate Make sure supply and return ductwork grills special filters accessories etc are accounted for in total resistance See airflow performance tables in Section 5 of this manual Design the duct system in accordance with ACCA Manual D Design for Residential Winter and Summer Air Conditioning and Equipment Selection Latest editions are available from ACCA Air Conditioning ...

Страница 18: ...or speciﬁc requirements Refer to Figure 15 and the information below for required condensate drain trap installation Figure 15 CONDENSATE DRAIN TRAP DO NOT OVERTIGHTEN DRAIN FITTING TOWARDS DRAIN CONNECTION UNIT MUST BE SLIGHTLY INCLINED 3 3 3 UNIT TO APPROVED DRAIN DO NOT OPERATE UNIT WITHOUT CONDENSATE DRAIN TRAP 1 When making drain ﬁtting connections to the drain pan use a thin layer of Teﬂon p...

Страница 19: ...ling system performance Reduced airﬂow can shorten the life of the system s major components such as motor elements heat relays evaporator coil or compressor Consequently we recommend that the return air duct system have only one ﬁlter location For systems without a return air ﬁlter grill multiple ﬁlter grills can be installed at each of the return air openings If adding high eﬃciency ﬁlters or el...

Страница 20: ...er Size In mm W In mm D In mm H In mm Return width A In mm Return length B In mm 24 36 18x20 457x508 18 3 466 21 6 548 1 25 4 20 8 528 16 3 414 48 60 20x22 508x559 20 7 526 23 9 608 1 25 4 23 584 18 8 478 Table 8 Air filter removal installation Remove bolts manually remove air filter cover see Figure 16 Hold the edge of the air filter and pull out Install new filter so that the arrow on the filter...

Страница 21: ...not use chemicals or chemically treated cloths to clean the unit Do not use benzene paint thinner polishing powder or other solvents to clean the unit Do not operate the system without a filter in place 10 2 Regular Maintenance Your heat pump must be inspected regularly by a qualiﬁed service technician Your annual system inspection must include 1 Inspect the air ﬁlter every ninety days or as often...

Страница 22: ... with the ground wiring DO NOT ALTER THIS Do not strain the power wiring Dashed lines in the following thermostat wiring diagrams refer to optional wiring wiring for Passive Dehumidiﬁcation Function and OR Electric Heat For thermostat wiring please refer to the Owner s Manual of the thermostat Figure 17 Y2 W E C Y C G TH ERMOSTAT INDOOR UNIT OUTDOOR UNIT G Y2 R O B H DH W2 W1 C Y B W B Dh Y1 R GRA...

Страница 23: ...2 Note Any time the electric heat elements are active the indoor fan will run in high stage Control Wiring For HP Systems Figure 19 Y2 W E C Y C G THERMOSTAT INDOOR UNIT OUTDOOR UNIT G R O B H DH W2 W1 C Y B W B Dh Y1 R GRAY PURPLE BROWN BLUE GREEN RED YELLOW WHITE Wiring for 3H and 1C thermostat WHITE BLACK BROWN YELLOW BLUE WHITE W2 Note Because Y1 and Y2 are jumped the indoor fan will only run ...

Страница 24: ...ERMOSTAT INDOOR UNIT OUTDOOR UNIT G R O B H DH W2 W1 C Y B W B Dh Y1 R GRAY PURPLE BROWN BLUE GREEN RED YELLOW BROWN YELLOW BLUE Y2 Control Wiring For HP Systems Figure 21 Wiring for 1H and 1C thermostat Y2 C Y C G THERMOSTAT INDOOR UNIT OUTDOOR UNIT G R O B H DH W2 W1 C Y B W B Dh Y1 R GRAY PURPLE BROWN BLUE GREEN RED YELLOW BROWN YELLOW BLUE Note Because Y1 and Y2 are jumped the indoor fan will ...

Страница 25: ...e Note W1 and W2 are jumped so Electric Heat will only function in high stage Control Wiring For HP Systems Electric wiring gauge for H P systems Model Btu h 24 36 48 60 Power Phase Single Voltage frequency 208 230VAC 60Hz Line Gauge Input Current Fuse Indoor unit A 15A 15A 15A 15A Indoor Unit Power Line Line Quantity 3 3 3 3 Line Diameter AWG 14 14 14 14 Outdoor Unit Power Line Line Quantity 3 3 ...

Страница 26: ...placed use the same or equivalent type wire equivalent type wire 5 Connect R to R G to G Y1 to Y etc See outdoor instruction for details 5 Connect R to R G to G Y1 to Y etc See outdoor instruction for details 6 If some signal lines of CN4 and CN5 are not used wrap them up 6 If some signal lines of CN4 and CN5 are not used wrap them up separately with CAP separately with CAP 7 See airflow tables fo...

Страница 27: ...Installation Instructions Bosch IDS BVA 2 0 27 Bosch Thermotechnology Corp 02 2019 Data subject to change ...

Страница 28: ...United States and Canada Bosch Thermotechnology Corp 65 Grove Street Watertown MA 02472 Tel 866 642 3198 Fax 954 776 5529 www boschheatingandcooling com BTC 761701106 A 02 2019 ...

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