May 5, 2021 August 16, 2021 APPLICATION: FEATURES: -1-
Figure 2: Typical Installation for Hot Water Recirculation Systems Water Heater Recommended Purging Steps: 1. 2. 3. 4. 5. 6. 7.
Figure 3: Typical Installation for Zoned Hydronic Heating Systems Boiler Supply (Option No. 1) Boiler Return (Option No. 2) KEY: VI, V2, V3 = SHUT-OFF ISOLATION VALVE P = TACO CIRCULATOR FF = FAST FILL BOILER FEED VALVE PV4 = PURGE VALVE FC = FLOW CHECK VALVE RECOMMENDED PURGING STEPS: 1. CLOSE V1, PV4, V2 2. OPEN V3 3. OPEN FF VALVE 4. OPEN V2, PV4, TO PURGE LAST ZONE FIRST (ZONE 3) 5. CLOSE FF VALVE 6. CLOSE V2, PV4 7. REPEAT STEPS 1 TO 6 FOR EACH ADDITIONAL ZONE, PURGE ZONE 1 LAST 8.
CAUTION: Install fittings to system piping before connecting the circulator to avoid damaging the pump’s composite casing. CAUTION: Only use union gaskets provided with fitting sets or leaks may result. Warranty will be void. CASING ROTATION ACCEPTABLE MOTOR MOUNTING POSITIONS Figure 4: Always install with motor in horizontal orientation. Always install with motor in horizontal orientation. Position electrical junction box at 9 o’clock for best viewing orientation.
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9. Troubleshooting the error codes: Listed below are potential diagnostic error codes which will appear on the LED display in case of a malfunction. FAULTS The circulator is noisy Loud noises of water circulation Circulator is not running although the electrical power supply is switched on CONTROL PANEL CAUSES REMEDIES LED on Suction pressure is insufficient - cavitation Increase the system suction pressure within the permissible range.
Replacement Parts List Union Fitting Options (Sold seperately) 198-213 RP Casing O-ring Part # Description 198-214 RP Wiring plug connector (green) UFS-050S 1/2” sweat tailpiece set 198-215 RP Terminal box cover (black) UFS-050T 1/2” npt tailpiece set 198-217 RP Terminal box cover screws (5 per bag) UFS-050P 1/2” press tailpiece set UFS-075S 3/4” sweat tailpiece set UFS-075T 3/4” npt tailpiece set UFS-075P 3/4” press tailpiece set 006e3™ PERFORMANCE CURVES MAX HIGH MED LOW MIN
LIMITED WARRANTY STATEMENT Taco, Inc. will repair or replace without charge (at the company’s option) any Taco High Efficiency circulator or circulator part which is proven defective under normal use within three (3) years from the date of manufacture.
