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Resumen del manual
See below for a troubleshooting guide. Table 3. Troubleshooting Guidea. SystemCondition DiagnosticCondition Check Action Boiler is cold, house is cold Display is OFF 120 Vac system power. Turn system power on. Display is ON; TT-LED is OFF 24 Vac T-T No 24V; replacecontrol Display is ON; TT-LED is OFF 24V present; disconnect thermostat, short T-T Boiler starts, check wiring and thermostat a. Refer to Fig. 5 for Display and LED locations. b. ZC LED ON indicates ZC terminal power is OFF. c. ZC LED OFF indicates ZC terminal power is ON. 3 69-1957.1 Table 3. Troubleshooting GuideTable 3. Troubleshooting Guide. SystemCondition DiagnosticCondition Check Action Boiler is cold, house is cold Display is ON; TT-LED is ON B1 LED is ON 120 Vac at B1B2 . If no, replace control. . If yes, check burnerand wiring Display is ON; TT-LED is ON Refer to err on display . Boiler is hot, house is cold Display is ON; TT-LED is ON C1 LED is ON 120 Vac at C1C2 . 120 Vac at C1-C2, check wiring to pump . Wiring ok, is pump running? If not, replace the pump. . If pump is running, check for trapped airor closed zone valves. Display is ON; Boiler below the TT-LED is ON Low Limit C1 LED is OFF; temperature, ZC LED is ONb wait for boiler to go above LowLimit temperature. Display is ON; Boiler above . If no 120 Vac, TT-LED is ON LL? If yes,replace control. ZC LED is check for 120 . If yes, check zone OFFc Vac between ZC and L2 relays, circulators and wiring. a. Refer to Fig. 5 for Display and LED locations. b. ZC LED ON indicates ZC terminal power is OFF. c. ZC LED OFF indicates ZC terminal power is ON. Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitee 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9 customer.honeywell.com ® U.S. Registered Trademark © 2006 Honeywell International Inc. 69-1957.1 Rev. 06-06 ...
Otros modelos de este manual:Calentadores de Agua - AQUASTATIC L7224 (259.52 kb)
Calentadores de Agua - AQUASTATIC L7224 (259.52 kb)