Manuel d'utilisation / d'entretien du produit WH421 du fabricant Bard
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W ALL MOUNTED P ACKAGE HEA T PUMPS MODELS: WH421 WH483 WH602 INST ALLA TION INSTRUCTIONS Manual: 2100-399 Supersedes: File: Volume III Tab 17 Date: 03-01-02 BARD MANUFACTURING COMPANY Bryan, Ohio 43506 Since 1914.
CONTENTS i Getting Other Information and Publications .......... 1 For more information, contact these publishers: ...... 1 W all Mount General Information ............................. 2 Air Conditioner W all Mount Model Nomenclature ..... 2 Shipping Damage .
Manual 2100-399 Page 1 Getting Other Information and Publications Manufactured under the following U.S. patent numbers: 5,301,744; 5,002,116; 4,924,934; 4,875,520; 4,825,936; 4,432,409 Other patents pending. These publications can help you install the air conditioner or heat pump.
Manual 2100-399 Page 2 WALL MOUNT GENERAL INFORMA TION HEAT PUMP WALL MOUNT MODEL NOMENCLATURE WH 48 1 – A 1 0 X X X X X B TABLE 1 ELECTRIC HEAT TABLE s l e d o M W K A - 1 2 4 H W B - 1 2 4 H W B -.
Manual 2100-399 Page 3 FIGURE 1 UNIT DIMENSIONS MIS-411.
Manual 2100-399 Page 4 TABLE 2 ELECTRICAL SPECIFICATIONS l e d o M T I U C R I C E L G N I S T I U C R I C L A U D d e t a R s t l o V e s a h P & .
Manual 2100-399 Page 5 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.
Manual 2100-399 Page 6 FIGURE 2 BLOWER DAMPER ASSEMBLY MIS-938 CONDENSATE DRAIN A plastic drain hose extends from the drain pan at the top of the unit down to the unit base.
Manual 2100-399 Page 7 INST ALLA TION INSTRUCTIONS WALL MOUNTING INFORMATION 1. Two holes, for the supply and return air openings, must be cut through the wall as shown in Figure 3. 2. On wood-frame walls, the wall construction must be strong and rigid enough to carry the weight of the unit without transmitting any unit vibration.
Manual 2100-399 Page 8 FIGURE 3 MOUNTING INSTRUCTIONS FIGURE 3A ELECTRIC HEAT CLEARANCE Side section view of supply air duct for wall mounted unit showing 1/4 inch clearance to combustible surfaces.
Manual 2100-399 Page 9 FIGURE 4 WALL-MOUNTING INSTRUCTIONS FIGURE 5 WALL-MOUNTING INSTRUCTIONS MIS-548 MIS-549 SEE FIGURE 3 — MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIO.
Manual 2100-399 Page 10 FIGURE 6 COMMON WALL-MOUNTING INSTALLATIONS MIS-550.
Manual 2100-399 Page 11 WIRING — MAIN POWER Refer to the unit rating plate for wire sizing information and maximum fuse or “HACR" type circuit breaker size. Each outdoor unit is marked with a “Minimum Circuit Ampacity”. This means that the field wiring used must be sized to carry that amount of current.
Manual 2100-399 Page 12 THERMOSTAT WIRING COMPRESSOR CUTOFF THERMOSTAT AND OUTDOOR THERMOSTATS Heat pump compressor operation at outdoor temperatures below 0° F are neither desirable nor advantageous in terms of efficiency.
Manual 2100-399 Page 13 IMPORTANT NOTE: Both thermostat and subbase combinations shown above in Groups A and B incorporate the following features: Man-Auto fan switch, Off-Heat-Cool-Em. Heat switch, and two (2) indicator lamps – one for emergency heat and one for compressor malfunction.
Manual 2100-399 Page 14 ST ART UP IMPORTANT INSTALLER NOTE For improved start-up performance, wash the indoor coil with a dishwashing detergent. CRANKCASE HEATERS WA421 units are provided with compressor crankcase heat. WH602 and WH483 units are not provided with crankcase heat.
Manual 2100-399 Page 15 now in operation. The second option has no "Auto" changeover position, but instead energizes the reversing valve solenoid constantly whenever the system switch on subbase is placed in "Heat" position, the "B" terminal being constantly energized from R.
Manual 2100-399 Page 16 FIGURE 10 DEFROST CONTROL BOARD As soon as the defrost cycle kicks in, remove the shorting instrument from the SPEEDUP terminals. Otherwise the timing will remain accelerated and run through the 10-minute maximum defrost length sequence in a matter of seconds and will automatically terminate the defrost sequence.
Manual 2100-399 Page 17 TROUBLESHOOTING SOLID STATE HEAT PUMP CONTROL TROUBLESHOOTING PROCEDURE 1. Turn on AC power supply to indoor and outdoor units. 2. Turn thermostat blower switch to fan "on" – the indoor blower should start. (If it doesn't, troubleshoot indoor unit and correct problem).
Manual 2100-399 Page 18 CHECKING TEMPERATURE 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.
Manual 2100-399 Page 19 FAN BLADE SETTING DIMENSIONS Shown in the drawing in Figure 11 are the correct fan blade setting dimensions for proper air delivery across the outdoor coil.
Manual 2100-399 Page 20 TABLE 10 MAXIMUM ESP OF OPERATION ELECTRIC HEAT ONLY V alues shown are for unites equipped with STD 1 inch throwaway filter on 1 inch washable filter .
Manual 2100-399 Page 21 TABLE 13 OPTIONAL ACCESSORIES Model Description TABLE 12 HEATING PRESSURES – (ALL TEMPERATURES °F) Low side pressure ± 2 psig High side pressure ± 5 psig T ables are based upon rated CFM (airflow) across the evaporator coil.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Bard WH421 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Bard WH421 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Bard WH421, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Bard WH421 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Bard WH421, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Bard WH421.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Bard WH421. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Bard WH421 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
