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Table of Contents
Related Manuals for Xylem McDonnell & Miller 63 Series
Summary of Contents for Xylem McDonnell & Miller 63 Series
- Page 1 INSTRUCTION MANUAL MM-206H 246746...
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Page 2: Installation
INSTALLATION – Model 63 – For Steam Boilers with 1” (25mm) Equalizing Lines TOOLS NEEDED: One (1) flathead screwdriver and two (2) pipe wrenches. STEP 1 - Determine the Location of the Low Water Cut-Off a. Whether the gauge glass is mounted directly into the boiler or on an independent water column, the cut-off line on the 63 body casting should be mounted 1/2”... - Page 3 INSTALLATION – Model 63 – For Hot Water Boilers with 1” (25mm) Equalizing Lines TOOLS NEEDED: One (1) flathead screwdriver and two (2) pipe wrenches. STEP 1 - Determine the Location of the Low Water Cut-Off a. The line on the casting of the model 63 must be installed above the lowest permissible water level determined by the boiler manufacturer.
- Page 4 TEST-N-CHECK ® VALVES Simplify Testing of Low Water Cut-offs on Hot Water Boilers Installation of the TC-4 Test-N-Check valves with a New Low Water Cut-off 1. Assemble the TC-U (the upper Test-N-Check valves, with the vacuum breaker) into the upper equalizing line in place of the cross described in the low water cut-off installation instructions.
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Page 5: Electrical Wiring
ELECTRICAL WIRING TOOLS NEEDED: One (1) flathead screwdriver. WARNING • To prevent electrical shock, turn off the electrical power before making electrical connections. • This low water cut-off must be installed in series with all other limit and operating controls installed on the boiler. -
Page 6: Troubleshooting
TESTING • Control can be tested on a hot water boiler by gently inserting a screwdriver or similar tool in the test opening below TEST the switch (see drawing) and lifting linkage OPENING to cause float to drop, thereby simulating a low water condition. -
Page 7: Maintenance
MAINTENANCE SCHEDULE: PROCEDURE: • Blow down control as follows when boiler is in operation: CAUTION Steam: To prevent serious personal injury from steam – Daily if operating pressure is above 15 psi. pipe blow down, connect a drain pipe to the –... - Page 8 COMMERCIAL WARRANTY Warranty. For goods sold to commercial buyers, Seller warrants the goods sold to Buyer hereunder (with the exception of membranes, seals, gaskets, elastomer materials, coatings and other “wear parts” or consumables all of which are not warranted except as otherwise provided in the quotation or sales form) will be (i) be built in accordance with the specifications referred to in the quotation or sales form, if such specifications are expressly made a part of this Agreement, and (ii) free from defects in material and workmanship for a period of one (1) year from the date of installation or two (2) years from the date of manufacture, whichever shall occur first, unless a longer period is specified in the product...
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