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Manual 2100-720E
Page

11 of 42

For vent installation and removal, one side of the unit
requires 45" clearance in the vent area. See Figure
12 for clarity.

See Specifications Sheet S3598.

TABLE 1

Clearance Required for Service Access and

Adequate Condenser Airflow

Model

Left

Side*

Right

Side*

Discharge –

Front

W3SAC
W4SAC
W5SAC

20"

10'

TABLE 2

Minimum Clearances Required

to Combustible Materials

Model

Supply Air Duct (1st 3')

Cabinet

W3SAC
W4SAC
W5SAC

1/4"

FIGURE 12

Vent Installation/Removal Clearance Required

45"

MIS-4042

KEEP AREA

CLEAR FOR 45"

IN FRONT OF

SIDE PANEL

OBJECT OR WALL

IN THIS SECTION OR ANY

OTHER OBSTRUCTION

OF UNIT

OR RIGHT SIDE OF UNIT

CLEARANCE NEEDED ON LEFT

VENT ASSEMBLY
SHOWN OUTSIDE

AVOID LOCATING UNIT DISCONNECT

VENTS CAN BE INSTALLED

FROM EITHER SIDE OF UNIT.

45"

Содержание W3SAC-A

Страница 1: ...LLATION INSTRUCTIONS W3SAC A W3SAC B W3SAC C W4SAC A W4SAC B W4SAC C Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 720E Supersedes 2100 720D Date 3 1 21 W5SAC A W5SAC B...

Страница 2: ...n Make Timer 24 Short Cycle Delay on Break 24 Low Pressure Detection 24 High Pressure Detection 25 Test Mode 25 Brownout Protection with Adjustment 25 Pressure Service Ports 26 Sequence of Operation 2...

Страница 3: ...rammable Thermostat Connections 21 Figure 21 Non Programmable Thermostat Connections 22 Figure 22 8201 169 Compressor Control Module 25 Figure 23 Motor Connections 28 Figure 24 Motor Connections 29 Fi...

Страница 4: ...should be carefully read before beginning the installation Note particularly Starting Procedure and any tags and or labels attached to the equipment While these instructions are intended as a general...

Страница 5: ...on page 10 and Figures 14 18 pages 13 16 for further details Ducts through the walls must be insulated and all joints taped or sealed to prevent air or moisture entering the wall cavity Some installat...

Страница 6: ...tray see Figure 7 FIGURE 6 Remove Four Screws 5 Re install the four 4 screws into the upper screw holes on the filter support brackets Then bend the tab up out of the way see Figure 8 FIGURE 7 Re Inst...

Страница 7: ...that can be adjusted to limit how far the damper opens so that the amount of fresh air that enters the structure is regulated Graphs found on pages 41 and 42 gives approximate fresh air amounts based...

Страница 8: ...that could hinder unit installation and servicing including outdoor electrical conduits junction boxes wall drains vent hoods windows doors overhangs and posts Condensate Water Drainage Review all co...

Страница 9: ...g fresh air dampers ventilators economizers and energy recovery ventilators Be sure to install the return grille with the louvers pointed downward towards the floor This will help ensure return air is...

Страница 10: ...he side of the unit 2 Locate and mark bolt hole locations and bottom mounting bracket location Install bottom mounting bracket with field supplied fasteners to wall if it is to be used optional Bracke...

Страница 11: ...3SAC W4SAC W5SAC 20 20 10 TABLE 2 Minimum Clearances Required to Combustible Materials Model Supply Air Duct 1st 3 Cabinet W3SAC W4SAC W5SAC 1 4 0 FIGURE 12 Vent Installation Removal Clearance Require...

Страница 12: ...trol Panel Door Optional Electrical Entrance Drain W G F 4 Pitch Rain Hood Electrical Panel High Voltage Built In Entrance Heater Access Electric Heat Low Voltage Electrical Entrance 1 375 A K H D C I...

Страница 13: ...NTAIN RECOMMENDED 1 CLEARANCE FROM COMBUSTIBLE MATERIALS 32 12 5 1 2 2 29 16 1 7 8 W5SAC REQUIRED DIMESIONS TO MAINTAIN 1 4 MIN CLEARANCE FROM COMBUSTIBLE MATERIALS 30 1 2 10 1 2 6 1 4 1 1 4 29 3 4 16...

Страница 14: ...OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1 4 CLEARANCE TO COMBUSTIBLE SURFACES Fire hazard Maintain minimum 1 4 clearance between the supply air duct and combustible materials in the first 3...

Страница 15: ...ACH TO BOTTOM PLATE OF WALL 1 000 CLEARANCE ALL AROUND DUCT ATTACH TO TOP PLATE OF WALL THIS STRUCTURAL MEMBER LOCATED TO MATCH STUD SPACING FOR REST OF WALL A SECOND MEMBER MAY BE REQUIRED FOR SOME W...

Страница 16: ...VE RAFTERS GRILLE FLASHING OR BELOW CEILING RAFTERS AS SHOWN OR BELOW CEILING RAFTERS AS SHOWN FLASHING OUTSIDE SURFACE RAIN FLASHING SLEEVE FINISHED SUPPLY DUCT MAYBE LOCATED IN AN ATTIC GRILLE OUTSI...

Страница 17: ...he most commonly used heater sizes Also shown are WIRE SHIELD FIELD HIGH OR LOW VOLTAGE WIRE SHIELD FRONT VIEW FIGURE 19 High Voltage Connections the number of field power circuits required for the va...

Страница 18: ...t RT and R are connected with a brass jumper bar which can be removed and RT and R connected to an external NC normally closed contact such as a fire smoke detector that will cause shutdown of the equ...

Страница 19: ...it filter surface When pressure drop is higher than the switch setting NO and NC contacts are provided to indicate the filter needs to be serviced Refer to page 35 for instructions on making switch ad...

Страница 20: ...6 Pro Wi Fi 2 stage Cool 3 stage Heat Heat Pump 2 stage Cool 2 stage Heat Conventional Programmable Non Programmable Electronic Auto or Manual changeover Wi Fi TABLE 5B Wall Thermostats 3 Stage Balanc...

Страница 21: ...for the A output to function during scheduled occupied periods Must be configured for multi stage for Y1 output to be active 1st stage cooling For dehumidification must be configured for No Economize...

Страница 22: ...trol Optional for ECON Only See vent installation manual 6 For vent operation add jumper if optional CO2 controller is not used Vent will run while blower is energized For ECON CRV V anadditional wire...

Страница 23: ...der tank as a liquid to avoid any fractionation and to ensure optimal system performance Refer to instructions for the cylinder that is being utilized for proper method of liquid extraction Safety Pra...

Страница 24: ...sor operation is inhibited If a fault condition occurs reverse two of the supply leads to the unit Do not reverse any of the unit factory wires as damage may occur Condenser Fan Operation NOTE Certain...

Страница 25: ...ndition in a situation where the switch is open If the high pressure switch opens the CCM will de energize the compressor If the switch closes again it will then restart the compressor after the delay...

Страница 26: ...e installed on all units so that the system operating pressures can be observed Pressure tables can be found on page 32 This unit employs high flow Coremax valves instead of the typical Shrader type v...

Страница 27: ...unit is being installed with any ventilation package a Bard LAC kit must be installed Failure to utilize an LAC with any air conditioner can cause coil freeze up NOTE Economizer will disable Balanced...

Страница 28: ...y D Check the external static pressure total of both supply and return to ensure it is within the range as listed on the unit serial plate If higher than allowed additional duct work is needed E If th...

Страница 29: ...e see Figure 24 2 Initiate a demand from the thermostat and check the voltage between the common and the appropriate motor terminal 1 5 G input is typically on terminal 1 but always refer to wiring di...

Страница 30: ...trol circuit molded plug from the compressor and measure the solenoid coil resistance The resistance should be 32 to 60 ohms depending on compressor temperature 4 Next check the molded plug Voltage ch...

Страница 31: ...R SIDE TO GET TO THE CONDENSOR COIL OR FAN BLADE MIS 4045 Remove screws and fan shroud to access fan or coil Parts hidden for clarity R 410A Refrigerant Charge This unit was charged at the factory wit...

Страница 32: ...146 507 147 536 149 566 151 597 153 636 85 72 Low Side High Side 139 353 141 374 143 395 144 418 146 443 147 469 149 496 151 525 152 555 154 586 156 618 __ TABLE 10B 1st Stage Cooling Pressures Balanc...

Страница 33: ...Z B06 B09 B15 B18 230 208 3 1 1 1 1 2 28 28 34 52 N A 40 40 40 60 N A 8 8 8 6 N A 10 10 10 10 N A 34 28 40 30 8 10 10 10 W5SAC C00 C0Z C09 C15 460 3 1 1 1 14 18 26 20 20 30 12 12 10 12 12 10 These Min...

Страница 34: ...mes unless there is a call for ventilation electric heat or 2nd stage cooling from a 2 stage thermostat At that time the unit will automatically activate a higher speed tap Blower Speeds The ECM motor...

Страница 35: ...per between Y1 and Y2 installed and it must be removed to use Balanced Climate mode The unit is shipped with the orange black wire connected to terminal LO rated speed on the blower selection speed te...

Страница 36: ...5 restriction was reached turn the knob slightly clockwise If the switch tripped after 75 turn the knob counter clockwise see Figure 30 5 Replace the upper front panel and repeat Steps 1 3 Continue to...

Страница 37: ...2100 720E Page 37 of 42 FIGURE 30 Adjusting Dirty Filter Switch TURN CLOCKWISE TO INCREASE RESTRICTION AMOUNT REQUIRED TO ACTIVATE THE SWITCH AND COUNTER CLOCKWISE TO DECREASE RESTRICTION AMOUNT MIS...

Страница 38: ...210 1165 W4SAC 0 00 1275 1195 1795 1685 1895 1850 2000 1920 0 10 1140 1070 1730 1625 1845 1765 1940 1850 0 15 1075 1015 1690 1590 1815 1725 1905 1815 0 20 1015 960 1655 1555 1785 1685 1870 1780 0 25 1...

Страница 39: ...TABLE 16 Electric Heat Model W3SAC W4SAC W5SAC Outlet Front Speed High Low A0Z A05 A10 A15 A20 50 50 50 50 50 50 50 50 50 40 B0Z B06 B09 B15 B18 50 50 50 50 50 50 50 50 50 50 C0Z C09 C15 50 50 50 50...

Страница 40: ...HWA42C B06 X EHW3SC B09 X X EHWA42CD B09 X EHW3SC B15 X X EHWA42C C05 X EHW3SC C06 X X EHW3SC C09 X X EHW3SC C15 X X EHWA42C C15 X EHWA48C A05 X EHWA48CD A05 X EHWA48CD A10 X EHWA48CD B09 X EHWA48C B1...

Страница 41: ...Manual 2100 720E Page 41 of 42 GRAPH 2 W4SAC FAD NE5 W O Exhaust Ventilation Delivery GRAPH 1 W3SAC FAD NE5 W O Exhaust Ventilation Delivery...

Страница 42: ...Manual 2100 720E Page 42 of 42 GRAPH 3 W5SAC FAD NE5 W O Exhaust Ventilation Delivery...

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