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Instructions Bryant, Modèle 663C

Fabricant : Bryant
Taille : 127.28 kb
Nom Fichier : ii663c-18-1.pdf
Langue d'enseignement: en
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Facilité d'utilisation


Provides 3 stages of auxiliary heat for even heating comfort via W/W1 and Y1/W2. Refer to FK4 Installation Instructions. A97405 Fig. 12—Typical 24-v Circuit Connections using Bryant Model 2S Thermostat with FK4C Fan Coil and Smart Staging —8— FA, FB, FC, FH PROGRAMMABLE FA, FB, FC, FH BRYANT BRYANT FAN COIL PROGRAMMABLE WITH ONE THERMOSTAT FAN COIL WITH HEAT . MODEL HP SMART HEAT PUMP. THERMOSTAT SMART OUTDOOR HEAT MODEL HP HEAT THERMOSTATPUMP 24 VAC HOT R G W/W1 Y/Y2 O/W2RVS COOLING C B S1 S2 Y1/W2 L R C Y G O W2T W3 W2D Y0 R C O W2 Y INDOOR FAN HEAT STAGE 2 COOL/HEAT STAGE 1 NOT USED 24 VAC COM NOT USED TROUBLE OPTIONAL OUTDOOR SENSOR CONNECTION JW1 24 VAC HOT R G W/W1 Y/Y2 O/W2RVS COOLING C B S1 S2 Y1/W2 L R C Y G O W2T W3 W2D Y0 R C O W2 Y INDOOR FAN HEAT STAGE 2 COOL/HEAT STAGE 1 NOT USED 24 VAC COM NOT USED TROUBLE OPTIONAL OUTDOOR SENSOR CONNECTION CUT JW1 ODT A97407 A97408 BRYANT FA, FB, FC, FH PROGRAMMABLE FAN COIL HEAT THERMOSTAT SMART HEATPUMP MODEL HP SUPPLEMENTAL 24 VAC HOT R G W/W1 Y/Y2 O/W2RVS COOLING C B S1 S2 HEATING RELAY Y1/W2 L R C Y G O W2T W3 W2D Y0 R C O W2 Y INDOOR FAN HEAT STAGE 2 COOL/HEAT STAGE 1 NOT USED 24 VAC COM NOT USED TROUBLE OPTIONAL OUTDOOR SENSOR CONNECTION CUT JW1 SHR SHR ODT A97409 Fig. 13—Typical 24-v Circuit Connections using Bryant Model HP Thermostat with Smart Heat and No Outdoor Thermostat, 1 Outdoor Thermostat, or 2 Outdoor Thermostats —9— FA, FB, FC, FH OTHER FAN COIL HEAT FA, FB, FC, FH HP THERMOSTAT SMART HEATPUMP OTHER FAN COIL HEAT HP THERMOSTAT SMART HEATPUMP 24 VAC HOT R C Y G ORVS COOLING W2 E R C Y G O W2T W3 W2D Y0 R C O W2 Y INDOOR FAN EMERGENCY HEAT COOL/HEAT STAGE 1 24 VAC COM HEAT STAGE 2 JW1 24 VAC HOT R C Y G ORVS COOLING W2 E R C Y G O W2T W3 W2D Y0 R C O W2 Y INDOOR FAN EMERGENCY HEAT COOL/HEAT STAGE 1 24 VAC COM HEAT STAGE 2 CUT JW1 ODT A97411 A97410 FA, FB, FC, FH OTHER FAN COIL HEAT HP THERMOSTAT SMART HEATPUMP 24 VAC HOT R C Y G ORVS COOLING W2 E R C Y G O W2T W3 W2D Y0 R C O W2 Y INDOOR FAN EMERGENCY HEAT COOL/HEAT STAGE 1 24 VAC COM HEAT STAGE 2 CUT JW1 SHR SHR ODT A97412 Fig. 14—Typical 24-v Circuit Connections using Other HP Thermostats with Smart Heat and No Outdoor Thermostat, 1 Outdoor Thermostat, or 2 Outdoor Thermostats —10— WIRING DIAGRAM NOTES: 1. BRYANT THERMOSTAT WIRING DIAGRAMS ARE ONLY ACCURATE FOR MODEL NUMBERS BEGINNING WITH TSTAT_______. 2. WIRING MUST CONFORM TO NEC OR LOCAL CODES. 3. SOME UNITS ARE EQUIPPED WITH PRESSURE SWITCH(ES), TEMPERATURE SWITCH, OR 5-MINUTE COMPRESSOR CYCLE PROTECTION. CONNECT 24-V FIELD WIRING TO FACTORY-PROVIDED STRIPPED LEADS. 4. A LIQUID-LINE SOLENOID VALVE IS REQUIRED ON SOME UNITS. 5. THERMOSTATS ARE FACTORY CONFIGURED WITH 5-MINUTE COMPRESSOR CYCLE PROTECTION AND 4 CYCLES PER HR LIMIT. SEE THERMOSTAT INSTALLATION INSTRUCTIONS FOR DETAILS. 6. TO STAGE ELECTRIC RESISTANCE HEAT, CONSULT OUTDOOR THERMOSTAT INSTALLATION INSTRUCTIONS. 7. FOR DUAL FUEL THERMOSTATS, UNDERLINED LETTER ON DUAL TERMINAL INDICATES ITS USAGE. FOR EXAMPLE: O/W2 MEANS O O/W2 MEANS W2 OUTDOOR TEMPERATURE SENSOR MUST BE ATTACHED IN ALL DUAL FUEL INSTALLATIONS. JUMPER WIRE BETWEEN O/W2 AND L THERMOSTAT TERMINALS MUST BE PRESENT. 8. Y1 AND O CONNECTIONS TO 2-STAGE FURNACES MAY NOT EXIST OR MAY ONLY BE A WIRE RATHER THAN A SCREW TERMINAL. SHR EHR ODT LEGEND 24 VOLT FACTORY WIRING 24 VOLT FIELD WIRING FIELD SPLICE CONNECTION OUTDOOR THERMOSTAT EMERGENCY HEAT RELAY SUPPLEMENTAL HEAT RELAY providing electrical potential to second heater sequencer (if used). If outdoor temperature falls below setting of outdoor thermostat (field-installed option), contacts close to complete circuit and bring on second bank of supplemental electric heat. When thermostat is satisfied, its contacts open, de-energizing contactor and sequencer. All heaters and motors should stop. DEFROST The defrost control is a time/temperature control which includes a field-selectable (quick-connects located at board edge) time period between defrost cycles (30, 50, or 90 minutes), factory set at 90 minutes. The electronic timer and defrost cycle start only when contactor is energized and defrost thermostat is closed. Defrost mode is identical to cooling mode except that outdoor fan motor stops and second-stage heat is turned on to continue warming conditioned space. To initiate defrost, the defrost thermostat must be closed. This can be accomplished as follows: 1. Turn off power to outdoor unit. 2. Disconnect outdoor fan motor lead from OF2 on control board. (See Fig. 15.) Tape lead to prevent grounding. A97413 3. Restart unit in heating mode, allowing frost to accumulate on outdoor coil. 4. After a few minutes in heating mode, liquid line temperature should drop below closing point of defrost thermostat (approximately 30°F). 5. Short between speed-up terminals with a flat-bladed screwdriver. (See Fig. 15.) This reduces the timing sequence to 1/256th of original time. (See Table 3.) 6. When you hear reversing valve change position, remove screwdriver immediately; ot...


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