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Page 3 of 3 <br />RETARD CHAMBER <br />MODEL C-1 <br />The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058 <br />Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com <br />Figures 1 & 2 Notes <br />1. Connect alarm line piping to the 3/4" (20 mm) outlet of the Retard Chamber. When using a Water Motor Alarm, a strainer is re- <br />quired. When using an electric Alarm Pressure Switch only, or when the alarm line piping is trapped, Circuit Closer Vent Trim is <br />required. <br />2. Items marked with * are included in the Viking Circuit Closer Vent Trim sets. <br />2" OUTLET <br />(50.8 mm) SEE NOTE 1 <br />13/16" (20,6 mn2.4 <br />E <br />£ <br />M <br />(U <br />00 <br />Cl <br />I <br />0 <br />DRAIN <br />INLET <br />3-1/2' <br />(88.9 mm) <br />Figure 1 - Section View <br />PRESSURE SWITCH <br />ORDER SEPARATELY) <br />1/2' X 3-1/2' (88,9 mm) <br />NIPPLE <br />�1/2' PLUG <br />3/4' X 1/2' X 1/2' <br />TEE <br />TEE X 1/2'X 1/2' <br />TEE ' <br />3/4' X 2' (50.8 mm) <br />NIPPLE 3K <br />1/8' (32 mm) <br />RESTRICTION 'N <br />?' x 3/4' NPT <br />'IPE BUSHING I_I <br />i <br />1/2' (IS mm) NPT <br />— — — — I I <br />(INTERNAL THREADS: <br />I I <br />TO OPEN DRAIN <br />III III I I <br />III VIKIIIVGs III I I <br />OR OUTLET OF <br />III III <br />SYSTEM MAIN DRAIN <br />I I <br />YEAR OF III �� aa� III I I <br />MANUFACTURE Lqp� CN III I I <br />BELOW RETARDING <br />CHAMBER DRAIN <br />III III I I <br />CONNECTION <br />III III <br />III III <br />III III <br />Illo©usLEM sm III <br />III III <br />III aFMr> III <br />III III <br />— <br />2' x 1/2' NPT <br />PIPE BUSHING I ILJ �1/2' <br />NPT INLET <br />1E, <br />_ 14 <br />I I <br />I I <br />I I <br />A <br />1/8' (3,2 mm) DRAIN RESTRICTION <br />W�_IN <br />(ORDER SEPARATELY - INCLUDED <br />ALARM CHECK VALVE <br />TRIM KITS) <br />Figure 2 - Circuit Closer Vent Trim <br />Form No. F_092188 18.10.18 P65 <br />Replaces Form No. F_092188 Rev November 4, 2011 <br />(Added P65 Warning.) <br />