Bard WH421の取扱説明書

デバイスBard WH421の取扱説明書

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追加した日付: 5/22/2014
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要旨

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内容要旨
ページ1に含まれる内容の要旨

INSTALLATION INSTRUCTIONS
WALL MOUNTED
PACKAGE HEAT PUMPS
MODELS:
WH421
WH483
WH602
Manual: 2100-399
BARD MANUFACTURING COMPANY
Supersedes:
Bryan, Ohio 43506
File: Volume III Tab 17
Since 1914...Moving ahead, just as planned.
Date: 03-01-02
Copyright 2002

ページ2に含まれる内容の要旨

CONTENTS Getting Other Information and Publications .......... 1 Start Up ................................................................... 14 For more information, contact these publishers: ...... 1 Important Installer Note .......................................... 14 High Pressure Switch ............................................. 14 Wall Mount General Information ............................. 2 Three Phase Scroll Compressor Start Up Air Conditioner Wall Mount Model Nomenclature ..... 2 I

ページ3に含まれる内容の要旨

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:

ページ4に含まれる内容の要旨

WALL MOUNT GENERAL INFORMATION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE MODEL NUMBER CONTROL MODULES (See Chart Below) WH 48 1 – A 10 X X X X X B CAPACITY COIL OPTIONS 42 – 3-1/2 Ton REVISION X – Standard 48 – 4 Ton 1 – Phenolic Coated Evaporator 60 – 5 Ton VENTILATION OPTIONS 2 – Phenolic Coated Condenser VOLTS & PHASE X – Barometric Fresh Air Damper 3 – Phenolic Coated Evaporator (Standard) A – 230/208/60-1 and Condenser COLOR OPTIONS B – 230/208/60-

ページ5に含まれる内容の要旨

Manual 2100-399 Page 3 FIGURE 1 UNIT DIMENSIONS MIS-411

ページ6に含まれる内容の要旨

TABLE 2 ELECTRICAL SPECIFICATIONS SINGLE CIRCUIT DUAL CIRCUIT 4 1 2 2 4 1 2 2 Maximum Maximum Minimum External No. External Field Circuit Fuse or Field Power Ground Wire Rated Field Minimum Fuse or Power Ground Ampacity Ckt.Breaker Wire Size Size Volts Power Circuit Circuit Wire Wire & Phase Ckts. Model Ampacity Breaker Size SizeCB ktACA ktCB ktCA ktCB ktCA ktCB kt Ckt WH421-A00,A0Z 1 34 50 8 10 N/A N/A N/A N/A N/A N/A N/A N/A A05 1 or 2 60 70 6 8 34 26 50 30 8 10 10 10 230/208-1 3 A10 1 or 2 8

ページ7に含まれる内容の要旨

Refer to Table 10 for maximum static pressure available SHIPPING DAMAGE for duct design. Upon receipt of equipment, the carton should be Design the duct work according to methods given by the checked for external signs of shipping damage. If damage is found, the receiving party must contact the Air Conditioning Contractors of America (ACCA). When duct runs through unheated spaces, it should be last carrier immediately, preferably in writing, requesting inspection by the carrier’s agent. insulate

ページ8に含まれる内容の要旨

FRESH AIR INTAKE CONDENSATE DRAIN All units are built with fresh air inlet slots punched in A plastic drain hose extends from the drain pan at the the service panel. top of the unit down to the unit base. There are openings in the unit base for the drain hose to pass If the unit is equipped with the fresh air damper through. In the event the drain hose is connected to a assembly, the assembly is shipped already attached to drain system of some type, it must be an open or vented the unit. The da

ページ9に含まれる内容の要旨

INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION 1. Two holes, for the supply and return air openings, WARNING must be cut through the wall as shown in Figure 3. 2. On wood-frame walls, the wall construction must be Failure to provide the 1/4 inch clearance strong and rigid enough to carry the weight of the between the supply duct and a combustible unit without transmitting any unit vibration. See surface for the first 3 feet of duct can result in Figures 4 and 5. fire.

ページ10に含まれる内容の要旨

FIGURE 3 MOUNTING INSTRUCTIONS NOTE: It is recommended that a bead of silicone caulking be placed behind the side mounting flanges and under the top flashing at the time of installation. MIS-796 FIGURE 3A ELECTRIC HEAT CLEARANCE WARNING  A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. This is required for the first 3 feet of ducting.  It is important to insure that the 1/4 inch minimum spacing is maintained at all points.

ページ11に含まれる内容の要旨

FIGURE 4 WALL-MOUNTING INSTRUCTIONS SEE FIGURE 3 — MOUNTING INSTRUCTIONS MIS-548 FIGURE 5 WALL-MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS SEE FIGURE 1 FOR DUCT DIMENSIONS MIS-549 Manual 2100-399 Page 9

ページ12に含まれる内容の要旨

FIGURE 6 COMMON WALL-MOUNTING INSTALLATIONS MIS-550 Manual 2100-399 Page 10

ページ13に含まれる内容の要旨

NOTE:The voltage should be measured at the field power WIRING — MAIN POWER connection point in the unit and while the unit is Refer to the unit rating plate for wire sizing operating at full load (maximum amperage information and maximum fuse or “HACR" type operating condition). circuit breaker size. Each outdoor unit is marked Nine (9) wires should be run from thermostat subbase to with a “Minimum Circuit Ampacity”. This means the 24V terminal board in the unit. A nine conductor, 18 that the fi

ページ14に含まれる内容の要旨

Outdoor thermostats are available to hold off various TABLE 3 banks of electric heat until needed as determined by THERMOSTAT WIRE SIZE outdoor temperature. The set point of either type of Maximum thermostat is variable with geographic region and Transformer Distance sizing of the heating equipment to the structure VA AFe L Wire Gaug In Feet Utilization of the Heating Application Data and the 20 gauge 45 heat loss calculation of the building are useful in 18 gauge 60 determining the correct se

ページ15に含まれる内容の要旨

TABLE 4 WALL THERMOSTAT AND SUBBASE COMBINATIONS Te hermostatSs ubbas PredominantFeature 8403-045 1 stg.cool;2 stg.heat;Mercurybulb - - - (T841A1761) Manualchangeover 8403-017 8404-009 2 stg.cool;2 stg.heat;Mercurybulb (T874R1129) (Q674L1181) Manualchangeover 8403-018 8404-010 2 stg.cool;2 stg.heat;Mercurybulb (T874N1024) (Q674F1261) Auto or Manualchangeover 1 stg.cool;2 stg.heat 8403-042 - - - Electronic Non-Programmable (T8511G1070) Auto or Manualchangeover 2 stg.cool;2 stg.heat 8403-049 - -

ページ16に含まれる内容の要旨

START UP FIGURE 9 IMPORTANT INSTALLER NOTE START UP LABEL For improved start-up performance, wash the indoor coil with a dishwashing detergent. IMPORTANT THESE PROCEDURES MUST BE CRANKCASE HEATERS FOLLOWED AT INITIAL START UP AND AT ANY TIME POWER HAS WA421 units are provided with compressor crankcase heat. WH602 and WH483 units are not provided with BEEN REMOVED FOR 12 HOURS crankcase heat. These units utilize scroll compressors OR LONGER. which do not require crankcase heat in this applicat

ページ17に含まれる内容の要旨

now in operation. The second option has no "Auto" PHASE MONITOR changeover position, but instead energizes the reversing All units with three phase compressors are equipped valve solenoid constantly whenever the system switch with a 3 phase line monitor to prevent compressor on subbase is placed in "Heat" position, the "B" damage due to phase reversal. terminal being constantly energized from R. A The phase monitor in this unit is equipped with two Thermostat demand for heat completes r-Y circ

ページ18に含まれる内容の要旨

As soon as the defrost cycle kicks in, remove the There are three time settings on the HPC — 30, 60 or shorting instrument from the SPEEDUP terminals. on minutes. These are elapsed run-time values, and the Otherwise the timing will remain accelerated and run outdoor coil temperature sensor must be below the 30 through the 10-minute maximum defrost length degree equivalent resistance value for the timer to sequence in a matter of seconds and will automatically accumulate time towards the actual

ページ19に含まれる内容の要旨

TROUBLESHOOTING 4. Set system to heat or cool. Adjust thermostat to call SOLID STATE HEAT PUMP CONTROL for heat or cool – the indoor blower, compressor, TROUBLESHOOTING PROCEDURE and outdoor fan should start. 1. Turn on AC power supply to indoor and outdoor units. NOTE:If there was no power to 24 volt transformer, the compressor and outdoor fan motor will not start 2. Turn thermostat blower switch to fan "on" – the for 5 minutes. This is because of the compressor indoor blower should start

ページ20に含まれる内容の要旨

CHECKING TEMPERATURE SENSOR 3. Check resistance reading to chart of resistance. Use 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. Use an ohmmeter and measure the resistance of the heat pump control. sensor. Also use ohmmeter to check for short or open. 5. If sensor is out of tolerance, s


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