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INSTALLATION INSTRUCTIONS
CHDM
DEHUMIDIFICATION MODULE
for use with
CH3S1
CH4S1
CH5S1
Manual : 2100-506D
Bard Manufacturing Company, Inc.
Supersedes: 2100-506C
Bryan, Ohio 43506
File: Volume III Tab 17
Since 1914...Moving ahead just as planned.
Date: 12-05-11
Manual 2100-506D
Page 1 of 14
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CONTENTS Getting Other Information and Publications Tables For More Information ............................................... 3 Table 1 CH Dehumidifier Performance .............. 6 Table 2 System Refrigerant Pressure ................ 7 Wall Mount General Description ............................................................ 4 Figures Shipping Damage ................................................. 4 Figure 1 Wiring Diagram .................................... 8 General .....................
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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. 1712 New Hampshire Ave. N.W. Washington, DC 20009 Telephone: (202) 483-9370 National Electrical Code ...................... ANSI/NFPA 70 Fax
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While these instructions are intended as a general DESCRIPTION recommended guide, they do not supersede any national The CHDM dehumidifier is designed to be used with and/or local codes in any way and are not intended as a Bard 3 through 5 ton CH heat pump models. It will be step-by-step procedure with which the mechanically installed in the outdoor section of the CH unit. The inclined owner can install the package. See Page 3 for dehumidifier incorporates a complete refrigeration information
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DRAIN: Connect a drain trap to the drain fitting under HIGH PRESSURE SWITCH AND the bottom of the dehumidifier section of the unit. The LOCKOUT SEQUENCE drain connection is a ¾" female pipe fitting. The use of If the high pressure switch opens, the compressor a trap is required to ensure proper drainage. contactor will de-energize immediately. The lockout AIR CHANNEL ASSEMBLY: (See Figure 3.) timer will go into a soft lockout and stay in soft lockout Remove cover plate in unit and cut out the
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TABLE 1 CH DEHUMIDIFIER PERFORMANCE Dry Water Removal lb./hr (PPD) Bulb Relative Humidity % Rh Temp 50 60 70 80 F 55 65 75 651) .0 (24.0)1) .3 (31.21) .5 (36.01) .7 (40.82) .0 (48.02) .2 (52.8 2.4 (57.6 701) .2 (28.8)1) .5 (36.01) .8 (43.22) .0 (48.02) .3 (55.22) .6 (62.4 2.8 (67.2 75 1) .4 (33.6)1) .7 (40.82) .0 (48.02) .4 (57.62) .7 (64.83) .0 (72.0 3.3 (79.2 801) .7 (40.8)2) .0 (46.02) .4 (57.62) .7 (64.82) .8 (67.23) .4 (81.6 3.7 (88.8 852) .0 (48.0)2) .3 (55.22) .8 (67.23) .1 (74.43) .5 (8
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TABLE 2 CHARGING PRESSURE LABEL SYSTEM REFRIGERANT PRESSURE CHART Return Air Relative Humidity % Pressure Temperature 50% RH 55% RH 60% RH 65% RH 70% RH 75% RH 80% RH Low Side 96 97 98 100 102 104 106 70° DB High Side 248 253 258 261 265 269 273 Low Side 110 112 114 116 117 118 120 75° DB High Side 270 276 282 288 294 298 303 Low Side 115 119 123 127 132 136 140 80° DB High Side 297 306 315 324 333 342 351 Low Side 120 127 134 141 148 153 158 85° DB High Side 342 349 356 363 370 375 380 Low Sid
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FIGURE 1 Overload Unit Control Panel 14 15 16 Low Voltage Term. Block High Freeze Low 230/208-60-1 Pressure Pressure Thermo- C 11 Control Control stat TAPE 19 13 G OFF Fan C S Motor DH R R 12 Compressor 18 Y1 10 29 9 Red 7 Ground 28 Relay #2 3 2 4 Contactor 5 L1 L2 Blk/White 1 3 Black T1 T2 Yellow 33 4 Yellow Black 5 1 5 2 6 3 4 30 28 Relay #1 4 Black/White Yellow 17 C 8 HPC CC F R ALR Run H Capacitor Y C 1 MINUTES Compressor 4 3 5 Control 2 LPC Module 1 2 WARNING ! Red/White USE COPPER CONDUC
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FIGURE 2 Run wires to terminal block Run wires to terminal block Route green ground wire for 460 Volt unit control panel for 230 Volt unit control panel to ground lug Control Panel Remove knockout and insert strain relief bushing from opposite side of panel. Run wires into bushing and close. Insert wires through bushing Dehumidifier and attach to low voltage terminal block Wire Routing Instructions Low Voltage Wiring Connections High Voltage Wiring Connections Orange NOT USED (TAPE OFF) 230 Vo
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FIGURE 3 Manual 2100-506D Page 10 of 14
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FIGURE 4 Filter Access Door Unit Right Side Control Panel Door Vent Option Door Dehumidifier Dehumidifier Access Panel Service Ports Hex grille pattern (under fill plate) Ø1.500 Drain Fill Plate Knockout Drain Tube (must have trap) MIS-2456 Field Supplied Manual 2100-506D Page 11 of 14
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CABINET and FUNCTIONAL COMPONENTS Manual 2100-506D Page 12 of 14
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CABINET and FUNCTIONAL COMPONENTS D. rawing No.Pn art No Descriptio 171p 07-26 CX ondenser To 29Sy 900-28CX omplete Blower Assembl 315t 451-01G3 romme 458r 102-011X /6 HP Moto 501g 51-12 BX lower Housin 621t 13-34 B3 lower Bracke 795l 152-09BX lower Whee 848t 200-04MX otor Moun 921k 09-20 DX ehumidifier Bac 18 01e 27-35 DX ehumidifier Bas 14 11r 52-42 CX ondenser Doo 18 28t 408-03FX reeze Protect T-Sta 17 31y 23-11 DX rain Pan Assembl 11 41t 41-33 CX ompressor Suppor 18 51t 012-2113 /4-20 Cage N
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CABINET and FUNCTIONAL COMPONENTS D. rawing No.Pn art No Descriptio 128y 201-06R2 ela 278g 611-01SX nap Bushin 311n 35-24CX ontrol Panel Partitio 488e 201-08CX ompressor Control Modul 55Sl 117-27CX ontrol Pane 678t 550-00CX apacitor Bracke 758r 552-08CX apacito 868l 611-00GX round Termina 988g 611-06S2 train Relief Bushin 16 08r 401-00CX ontacto Manual 2100-506D Page 14 of 14 CHDM
