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Bard CH3S1 Installation Instructions Manual

Wall mounted packaged heat pump
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INSTALLATION INSTRUCTIONS
PACKAGE HEAT PUMPS
© Copyright 2004
WALL MOUNTED
Models:
CH3S1
CH4S1
CH5S1
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914...Moving ahead just as planned.
NOTE
T
HIS IS AN
H
P
IGH
RESSURE
R
EFRIGERANT
Manual :
Supersedes:
File:
Date:
R-410A
S
YSTEM
2100-455A
2100-455
Volume III Tab 17
08-18-06
Manual
2100-455A
Page
1 of 25

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Summary of Contents for Bard CH3S1

  • Page 1 CH3S1 CH4S1 CH5S1 NOTE R-410A HIS IS AN RESSURE EFRIGERANT YSTEM Manual : 2100-455A Bard Manufacturing Company, Inc. Supersedes: 2100-455 Bryan, Ohio 43506 File: Volume III Tab 17 Since 1914...Moving ahead just as planned. Date: 08-18-06 Manual 2100-455A © Copyright 2004...

  • Page 2: Table Of Contents

    Removal of Fan Shroud ........22 Refrigerant Charge R-410A ........ 22 Pressure Tables ..........24-25 Figures Tables Figure 1 Unit Dimensions CH3S1 ...... 5 Table 1 Electric Heat Table ........ 4 Figure 2 Unit Dimensions CH4S1 & CH5S1 ..6 Table 2 Electrical Specifications ......

  • Page 3: Getting Other Information And Publications

    Getting Other Information and Publications These publications can help you install the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. You can usually find these at THESE PUBLISHERS: your local library or purchase them directly from the publisher. Be sure to consult current edition of each ACCA Air Conditioning Contractors of America standard.

  • Page 4: Wall Mount General Information

    WALL MOUNT GENERAL INFORMATION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE – MODEL NUMBER CONTROL MODULES COIL OPTIONS CAPACITY X - Standard REVISIONS 3S - 3 ton 4S - 4 ton OUTLET OPTIONS 5S - 5 ton VOLTS & PHASE X - Front (Standard) A - 230/208/60/1 T - Top Outlet B - 230/208/60/3...

  • Page 5: Figure 1 Unit Dimensions Ch3S1

    Manual 2100-455A Page 5 of 25...

  • Page 6: Figure 2 Unit Dimensions Ch4S1 & Ch5S1

    Manual 2100-455A Page 6 of 25...

  • Page 7: Table 2 Electrical Specifications

    TABLE 2 ELECTRICAL SPECIFICATIONS s t l & e r i y t i e r i e r i s t i y t i e r i . t k . t k . t k . t k .

  • Page 8: Shipping Damage

    Any grille that meets with 5/8 inch louver criteria may any separate equipment, required to make up the entire be used. It is recommended that Bard Return Air Grille air conditioning system should be carefully read before Kit RG2 through RG5 or RFG2 through RFG5 be beginning the installation.

  • Page 9: Installation Instructions

    INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION 3. Locate and mark lag bolt locations and bottom mounting bracket location. See Figure 3. 1. Two holes for the supply and return air openings must be cut through the wall as shown in Figure 3. 4.

  • Page 10: Figure 3 Mounting Instructions Ch3S1

    Manual 2100-455A Page 10 of 25...

  • Page 11: Figure 4 Mounting Instructions Ch4S1/Ch5S1

    Manual 2100-455A Page 11 of 25...

  • Page 12: Figure 5 Electric Heat Clearance

    FIGURE 5 ELECTRIC HEAT CLEARANCE Typical Building Wall Frame Outside Sheeting Inside Sheeting Supply Air Duct Unit 1" OPTIONAL CLEARANCE Supply Air Duct RECOMMENDED Flange of Wall Side section view of supply air duct for wall mounted unit showing 0" clearance to combustible surfaces. MIS-2210 Note: This unit is approved for 0"...

  • Page 13: Figure 6 Wall Mounting Instructions

    FIGURE 6 WALL MOUNTING INSTRUCTIONS Interior finished wall Exterior wood or steel siding wall Supply opening Framing material: Factory supplied rain 2x4's, 2x6's, and/or flashing. Attach to structural steel unit before installing. Return "CH" Unit opening Bottom mounting bracket. Mount on wall before installing unit.

  • Page 14: Figure 8 Common Wall Mounting Installations

    FIGURE 8 COMMON WALL MOUNTING INSTALLATIONS Free Air Flow - No Duct Low Sound With Acoustical Plenums Free Air Flow - No Duct And Isolation Curbs Isolation Curb WM1CF5-X Rafters Unit (outside) Finished Ceiling Grille Supply Air Free Blow Supply Plenum WAFB51-X Return Air Grille...

  • Page 15: Wiring - Main Power

    UNIT 24V TERMINAL BOARD Raised Closet Floor Grille Return Air T7652H1000 THERMOSTAT BARD PART #8403-052 MIS-2240 WIRING – MAIN POWER Refer to the unit rating plate for wire sizing information 1F93-380 THERMOSTAT and maximum fuse or “HACR” type circuit breaker BARD PART #8403-049 size.

  • Page 16: Low Voltage Connections

    LOW VOLTAGE CONNECTIONS TABLE 4 These units use a grounded 24 volt AC low voltage WALL THERMOSTAT circuit and require at least a 2 stage heating and a 2 stage cooling thermostat. ; l o The “R” terminal is the hot terminal and the “C” terminal is grounded.

  • Page 17: Figure 11 Low Pressure Control Bypass Timer

    The bypass timer should be set to 200 seconds, and this START UP CONT’D. is to assure there is no nuisance tripping of the low- pressure control during startup in heating mode under SAFETY PRACTICES: cold weather conditions. See Figure 10: 1.

  • Page 18: Phase Monitor

    Verification of proper rotation direction is made by HEATING STAGE 1 – A 24V solenoid coil on reversing observing that suction pressure drops and discharge valve controls heating cycle operation. Two thermostat pressure rises when the compressor is energized. Reverse options, one allowing “Auto”...

  • Page 19: Figure 12 Defrost Control Board

    There is a cycle speed up jumper on the control. This DEFROST CYCLE can be used to reduce the time between defrost cycle The defrost cycle is controlled by temperature and time operation without waiting for time to elapse. on the solid state heat pump control. See Figure 12. Use a small screwdriver or other metallic object, or When the outdoor temperature is in the lower 40°...

  • Page 20: Troubleshooting

    TROUBLESHOOTING 3. Turn thermostat blower switch to auto position. SOLID STATE HEAT PUMP CONTROL TROUBLESHOOTING PROCEDURE Indoor blower should stop. 4. Set system switch to heat or cool. Adjust thermostat 1. Turn on AC power supply to indoor and outdoor units.

  • Page 21: Checking Temperature Sensor Outside Unit Circuit

    3. Check resistance reading to chart of resistance use CHECKING TEMPERATURE SENSOR OUTSIDE UNIT CIRCUIT sensor ambient temperature. (Tolerance of part is ± 10%) 1. Disconnect temperature sensor from board and from outdoor coil. 4. If sensor resistance reads very low, then sensor is shorted and will not allow proper operation of the 2.

  • Page 22: Figure 13 Fan Blade Setting

    COMPRESSOR SOLENOID FIGURE 13 A nominal 24-volt direct current coil activates the FAN BLADE SETTING internal compressor solenoid. The input control circuit voltage must be 18 to 28 volt ac. The coil power requirement is 20 VA. The external electrical connection is made with a molded plug assembly (PN 029-0311-00).

  • Page 23: Table 7 Refrigerant Charge

    TABLE 7 REFRIGERANT CHARGE - SUBCOOLING LEVEL f r i 1 Expected subcooling levels during high capacity Stage 2 operation. Above subcooling levels are provided to troubleshoot low charge or overcharged conditions. If charge is in doubt, evacuate and recharge the unit to the refrigerant charge listed on the serial plate.

  • Page 24: Pressure Tables

    TABLE 10 PRESSURE TABLE ° 5 ° 2 ° 0 ° 7 ° 5 ° 2 ° 5 ° 2 ° 0 ° 7 ° 5 ° 2 ° 5 ° 2 ° 0 ° 7 ° 5 ° 2 Low side pressure ±...

  • Page 25: Table 12 Pressure Table - High Heating

    Manual 2100-455A Page 25 of 25...

This manual is also suitable for:

Ch4s1Ch5s1

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