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Bard CH4S1 manual

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Table of contents for the manual

  • Page 1

    Manual 2100-455M Page 1 of 27 INST ALLA TION INSTRUCTIONS W ALL MOUNTED P ACKAGE HEA T PUMPS Models: CH3S1 CH4S1 CH5S1 Manual : 2100-455M Supersedes: 2100-455L File: V olume III T ab 17 Date: 02-06-12 Bard Manufacturing Company , Inc. Bryan, Ohio 43506 Since 1914...Moving ahead just as planned. Note T his is an R-410a h igh P RessuRe R efRigeRanT s[...]

  • Page 2

    Manual 2100-455M Page 2 of 27 CONTENTS Figures Figure 1 Unit Dimensions CH3S1 ........................5 Figure 2 Unit Dimensions CH4S1 & CH5S1 ........6 Figure 3 Optional T op Outlet Flange ....................9 Figure 4 Mounting Instructions CH3S1 ..............10 Figure 5 Mounting Instructions CH4S1/CH5S1 ... 11 Figure 6 Electric Heat Clearan[...]

  • Page 3

    Manual 2100-455M Page 3 of 28 Getting Other Information and Publications These publications can help you install the air conditioner or heat pump. Y ou can usually nd these at your local library or purchase them directly from the publisher . Be sure to consult current edition of each standard. National Electrical Code ....................... ANS[...]

  • Page 4

    Manual 2100-455M Page 4 of 28 W all mOunt General InFOrma tIOn hea t PumP W all mOunt mODel nOmencla ture ch 4s 1 – a 05 b P X X X X t able 1 electrIc hea t t able models KW ch 3s1-a ch3s1-b ch3s1-c ch4s1-a ch5s1-a ch4s1-a ch5s1-a ch4s1-a ch5s1-a 240-1 208-1 240-3 208-3 460-3 240-1 208-1 240-3 208-3 460-3 a btu a btu a btu a btu a btu a btu a btu[...]

  • Page 5

    Manual 2100-455M Page 5 of 28 FIGure 1 unIt DImensIOns 16" 16" 16" 16" 16" 31 5/8" 32 3/4" 84 11/16" 43 7/8" 42 3/16" 13 3/8" 48 1/16" 5 13/16" " 31" 6 7/8" 39 7/8" 9 13/16" 15 7/8" 29 7/8" 6 1/8" 1 3/8" 43" 6 9/16" 7/8" 2 1/[...]

  • Page 6

    Manual 2100-455M Page 6 of 28 FIGure 2 unIt DImensIOns 42 3/4" 39 7/8" 1 3/8" 6 7/8" Right Side View Front View MIS-2020 A Left Side View "CH4S1 and CH5S1" Unit Dimensions Back View Door Filter Access Supply Opening Mounting (12) Wall Return Opening Top Rain Flashing Evap. Drain Hose Holes Opt. High Voltage Entrances 1[...]

  • Page 7

    Manual 2100-455M Page 7 of 28 t able 2 electrIcal sPecIFIca tIOns  Maximum size of the time delay fuse or HACR type circuit breaker for protection of eld wiring conductors.  Based on 75°C copper wire. All wiring must conform to NEC and all local codes.  These “Minimum Circuit Ampacity” values are to be used for sizing the [...]

  • Page 8

    Manual 2100-455M Page 8 of 28 shIPPInG DamaGe Upon receipt of equipment, the carton should be checked for external signs of shipping damage. If damage is found, the receiving party must contact the last carrier immediately , preferably in writing, requesting inspection by the carrier ’ s agent. General The equipment covered in this manual is to b[...]

  • Page 9

    Manual 2100-455M Page 9 of 28 Insulation MIS-2306 Top Insert top outlet flange from inside unit and compress insulation Insert top outlet flange from inside unit and compress insulation Fasten flanges to top using (8) screws Inst alla tIOn InstructIOns OPtIOnal t OP Outlet FlanGe T op outlet ange is screwed to the back of the unit upon delivery [...]

  • Page 10

    Manual 2100-455M Page 10 of 28 7 0" min. 0" min. " 6 8 1 3 8 " Top Rain Flashing (supplied) flanges Apply a bead of caulk along entire length of top and behind side mounting Foam "CH3S1" Wall Mounting Instructions A B C D E REQUIRED DIM. TO MAINTAIN 0" MIN. CLEARANCE FROM COMBUSTIBLE MATERIALS 30 10 6 1/2 1 6 REQU[...]

  • Page 11

    Manual 2100-455M Page 1 1 of 28 FIGure 5 mOuntInG InstructIOns 1 3/8" 0" min. 0" min. 6 7/8" Return Opening Holes, 12 places Unit Mounting Wall * NOT USED ON TOP OUTLET UNITS C 16" D B 16" 16" 16" E 16" 30" C 16" 16" 16" A 16" 16" 43" D 16" Supply Opening * "C[...]

  • Page 12

    Manual 2100-455M Page 12 of 28 FIGure 6 electrIc hea t clearance RECOMMENDED 1" OPTIONAL CLEARANCE Duct Outside Sheeting Unit Inside Sheeting Wall Frame Supply Air Typical Building Supply Air Duct Flange of Wall MIS-2210 Side section view of supply air duct for wall mounted unit showing 0" clearance to combustible surfaces. Note: This uni[...]

  • Page 13

    Manual 2100-455M Page 13 of 28 FIGure 7 W all mOuntInG InstructIOns FIGure 8 W all mOuntInG InstructIOns flashing. Attach to "CH" Unit structural steel steel siding wall Exterior wood or when framing wall to support unit. Follow all local building codes opening Interior finished wall Supply opening Return 2x4's, 2x6's, and/or Fr[...]

  • Page 14

    Manual 2100-455M Page 14 of 28 FIGure 9 cOmmOn W all mOuntInG Inst alla tIOns Isolation Curb WM1CF5-X S up pl y A i r Return Air Silencer WAPR11-X RETURN AIR Free Blow Supply Plenum WAFB51-X Outside Wall Unit (outside) Note: duct maybe in attic or below rafters as shown. Note: direction of return Rafters Supply Air Return Air Outside Wall Unit (out[...]

  • Page 15

    Manual 2100-455M Page 15 of 28 Eleven (1 1) wires should be run from thermostat subbase to the 24V terminal board in the unit. An eleven conductor , 18 gauge copper color-coded thermostat cable is recommended. The connection points are shown in Figure 1 1. An additional wire is needed if dehumidication is used. t able 3 thermOst a t WIre sIZe Im[...]

  • Page 16

    Manual 2100-455M Page 16 of 28 lOW VOl t aGe cOnnectIOns These units use a grounded 24 volt AC low voltage circuit and require at least a 2 stage heating and a 2 stage cooling thermostat. “G” terminal is the fan input . “Y” terminal is the compr essor Stage 1 input . “Y1” terminal is the compr essor Stage 2 input. “B” terminal is th[...]

  • Page 17

    Manual 2100-455M Page 17 of 28 st art uP cOnt’D. saFetY PractIces: 1. Never mix R-410A with other refrigerants. 2. Use gloves and safety glasses, Polyol Ester oils can be irritating to the skin, and liquid refrigerant will freeze the skin. 3. Never use air and R-410A to leak check; the mixture may become ammable. 4. Do not inhale R-410A – th[...]

  • Page 18

    Manual 2100-455M Page 18 of 28 Phase mOnItOr All units with three phase compressors are equipped with a 3 phase line monitor to prevent compressor damage due to phase reversal. The phase monitor in this unit is equipped with two LEDs. If the Y signal is present at the phase monitor and phases are correct, the green LED will light. If phases are rev[...]

  • Page 19

    Manual 2100-455M Page 19 of 28 DeFrOst cYcle The defrost cycle is controlled by temperature and time on the solid state heat pump control. When the outdoor temperature is in the lower 40°F temperature range or colder, the outdoor coil temperature is 32°F or below. This coil temperature is sensed by the coil temperature sensor mounted near the bot[...]

  • Page 20

    Manual 2100-455M Page 20 of 28 There is an initiate defrost jumper (sen jump) on the control that can be used at any outdoor ambient during the heating cycle to simulate a 0° coil temperature. This can be used to check defrost operation of the unit without waiting for the outdoor ambient to fall into the defrost region. By placing a jumper across [...]

  • Page 21

    Manual 2100-455M Page 21 of 28 sOlID st a te hea t PumP cOntrOl trOubleshOOtInG PrOceDure 1. NotE: A thor ough understanding of the defr ost   cyclesequenceisessential.Reviewthatsection earlier in this manual prior to tr oubleshooting the contr ol. T urn on AC power supply to unit. 2. T urn thermostat blower switch [...]

  • Page 22

    Manual 2100-455M Page 22 of 28 checKInG temPera ture sensOr OutsIDe unIt cIrcuIt 1. Disconnect temperature sensor from board and from 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 sensor ambient temperature. (T olerance[...]

  • Page 23

    Manual 2100-455M Page 23 of 28 remOV al OF F an shrOuD 1. Disconnect all power to the unit. 2. Remove the screws holding both grilles, one on each side of unit, and remove grilles. 3. Remove screws holding fan shroud to condenser and bottom. Nine (9) screws. 4. Unwire condenser fan motor . 5. Slide complete motor , fan blade, and shroud assembly ou[...]

  • Page 24

    Manual 2100-455M Page 24 of 28 t able 7 maXImum esP OF OPera tIOn NOTE: Theseunitsareequippedwithavariablespeed(ECM)indoormotorthatautomaticallyadjustsitselftomaintain approximatelythesamerateofindoorairowinbothheatingandcooling,dryandwetcoilcon[...]

  • Page 25

    Manual 2100-455M Page 25 of 28 t able 8 Pressure t able t able 9 Pressure t able low side pressure ± 2 PSIG High side pressure ± 5 PSIG T ables are based upon rated CFM (airow) across the evaporator coil. If there is any doubt as to correct operating charge being in the system, the charge should be removed, system evacuated and recharged to se[...]

  • Page 26

    Manual 2100-455M Page 26 of 28 t able 10 Pressure t able t able 1 1 Pressure t able low side pressure ± 2 PSIG High side pressure ± 5 PSIG T ables are based upon rated CFM (airow) across the evaporator coil. If there is any doubt as to correct operating charge being in the system, the charge should be removed, system evacuated and recharged to[...]

  • Page 27

    Manual 2100-455M Page 27 of 28 CAutIoN: Disconnect power from unit before removing or replacing connectors, or servicing motor . T o avoid electric shock from the motor ’ s capacitors, disconnect power and wait at least 5 minutes before opening motor . Symptom Cause/Procedur e Motor r ocks slightly • This is normal start-up for ECM when startin[...]

  • Page 28

    Manual 2100-455M Page 28 of 28 t roubleshooting Ge ecm ™ motors (cont'd.) Replacing ECM Control Module T o replace the control module for the GE variable-speed indoor blower motor you need to take the following steps: 1. Y ou MUST have the correct replacement module. The controls are factory programmed for specic operating modes. Even tho[...]