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TYPICAL REFRIGERATED CASE SYSTEM
<br />CASE HEATER CASE HEATER CASE HEATER
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<br />6..882�A 116.82 A 13.46 A
<br />/ V V .
<br />A 1B B1 I C A 1C
<br />I I / AO
<br />/ BO
<br />CO
<br />PROVIDE 208/30 HOME RUN TO PRE -WIRED PANEL IN
<br />COMPRESSOR HOUSE. - - - -- -
<br />NOTE:
<br />ARRANGE CONNECTIONS FOR MAXIMUM BALANCE ON SYSTEMS
<br />WITH UNEQUAL LOADS
<br />CALCULATED UNBALANCED 30 LOAD
<br />AO LOAD = (16.82 A + 13.46 A) x .866 = 26.2 A
<br />BO LOAD = (16.82 A + 16.82 A) x .866 = 29.1 A (HIGH LEG)
<br />CO LOAD =(16.82A+13.46A)x.866=26.2A
<br />3 E-
<br />NTSASE DEFROST WIRING
<br />CONDUITS FOR REFRIGERATED CASE SYSTEM. CONDUIT(S) WILL SERVE 120V
<br />CASE FAN, CASE LIGHT AND CASE ANTI -SWEAT CIRCUITS, IN ADDITION,
<br />CONDUIT(S) WILL SERVE 208V CASE ELECTRIC DEFROST CIRCUIT (IF
<br />APPLICABLE). NOTE: CIRCUITS MAY BE GROUPED TOGETHER TO MINIMIZE
<br />NUMBER OF CONDUITS PROVIDED THAT ALL NEC REQUIREMENTS ARE MET
<br />PROVIDE 5' LENGTH OF LIQUID -TIGHT FLEXIBLE METAL CONDUIT,
<br />FURNISH APPROXIMATELY 12" PIGTAIL STUBBED FROM END OF
<br />EACH FLEX CONDUIT FOR TERMINATION TO REFRIGERATED CASE
<br />ELECTRICAL CONNECTION POINT BY R.C.
<br />PROVIDE TRANSITION FROM PVC TO EMT
<br />TYPICAL REFRIGERATED CASE SYSTEM
<br />ROUTE EMT CONDUITS (UNDER CASES, ABOVE
<br />SLAB) TO POINT OF TRANSITION TO FLEX
<br />12" WIRE PIGTAILS (TYP)
<br />5' FLEX CONDUIT (TYP)
<br />FLOOR
<br />BRACKET CONDUIT TO FLOOR
<br />AS REQUIRED PER CODE (TYP)
<br />PROVIDE TRANSITION FROM EMT TO FLEX
<br />REFRIGERATION PIT
<br />UNDERSLAB PVC CONDUIT FOR
<br />REFRIGERATED CASE BRANCH CIRCUITS.
<br />0CASE CONNECTION WIRING (TUNNEL)
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<br />REAR REFRIGERATION ELECTRICAL PLAN
<br />KEYNOTES
<br />16.145 CONNECT CIRCUIT(S) TO EXISTING BRANCH
<br />CIRCUITRY. MINIMUM WIRE SIZE AND
<br />PANELBOARD CIRCUIT ARE NOTED. VERIFY SIZE,
<br />RATING AND CONDITION OF EXISTING BRANCH
<br />CIRCUIT CONDUIT AND WIRE PRIOR TO USE TO
<br />ENSURE THAT THEY MEET REQUIRED SIZE, AND
<br />ALL U.L. RATINGS AND REPLACE AS REQUIRED.
<br />16.708 PROVIDE WIRING AND FINAL CONNECTIONS TO
<br />RECEPTACLE. RECEPTACLE FURNISHED WITH
<br />REFRIGERATED CASE.
<br />16.711 POINT OF TRANSITION FROM EMT TO FLEX.
<br />PROVIDE CONDUIT AND BRANCH CIRCUITS FOR
<br />REFRIGERATED CASE FANS, LIGHTS,
<br />ANTI -SWEAT HEATERS, AND ELECTRICAL
<br />DEFROST (IF REQUIRED). TERMINATION TO
<br />REFRIGERATED CASE ELECTRICAL CONNECTION
<br />POINT BY R.C. REFER TO CASE CONNECTION
<br />WIRING DETAIL.
<br />16.713 ROUTE EVAPORATOR COIL FAN (CF) AND/OR
<br />ELECTRIC DEFROST (ED) CIRCUITS TO
<br />REFRIGERATION EQUIPMENT DEFROST
<br />TERMINATION TROUGH. TERMINATIONS AT
<br />EVAPORATOR COIL, CASE AND REFRIGERATION
<br />EQUIPMENT BY RC.
<br />16.944 REFRIGERATION ENERGY MANAGEMENT SYSTEM
<br />CONTROLLER POWER: PROVIDE 120V CIRCUIT
<br />FOR VENDOR FURNISHED REFRIGERATION
<br />CONTROLLER. WHEN ENCLOSURE IS MOUNTED
<br />ON REFRIGERATED CASE, CONNECT TO CASE
<br />120V FAN CIRCUIT, UNLESS SHOWN OTHERWISE.
<br />REFERENCE REFRIGERATION ENERGY
<br />MANAGEMENT SHEETS FOR CONTROLLER
<br />WIRING.
<br />16.991 E.C. SHALL REMOVE EXISTING CONTACTOR IN
<br />RACK CABINET AND CONNECT CIRCUITRY
<br />DIRECTLY TO CIRCUIT OVERCURRENT
<br />PROTECTION DEVICE. REFRIGERATION SYSTEM
<br />EVAPORATOR FAN/DEFROST CIRCUITS SHALL BE
<br />CONTROLLED BY FACTORY INSTALLED
<br />CONTROLS IN NEW CASES OR BY FIELD
<br />INSTALLED CONTROLS AT WALK-INS. IF
<br />REQUIRED, E.C. SHALL INSTALL NEW VENDOR
<br />FURNISHED OVERCURRENT PROTECTION
<br />DEVICE FOR REFRIGERATION SYSTEM
<br />EVAPORATOR FAN/DEFROST CIRCUIT. PROVIDE
<br />A NEW NEMA 1 ENCLOSURE FOR FAN/DEFROST
<br />CIRCUIT OVERCURRENT PROTECTION DEVICE, IF
<br />NEEDED. MOUNT NEMA 1 ENCLOSURE AS CLOSE
<br />AS POSSIBLE TO EXISTING RACK CABINET.
<br />REFER TO REFRIGERATION LEGEND(S).
<br />FEEDER SCHEDULE
<br />ALL CONDUIT AND CONDUCTOR SIZES ARE BASED ON EMT WITH 40%
<br />FILL, 750C RATED TERMINATIONS AND TYPE THHN/THWN-2 INSULATION.
<br />FOR NON -EMT CONDUIT OR TERMINATIONS OR INSULATION TYPES
<br />RATED LESS THAN 75°C. MODIFY SIZES ACCORDING TO NEC.
<br />®
<br />FEEDER OR GROUND SIZE
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<br />ISSUE BLOCK
<br />CHECKED BY: JPL/JDS
<br />DRAWN BY: RR
<br />DOCUMENT DATE: 06/30/23
<br />THIS ITEM HAS BEEN
<br />ELECTRONICALLY SIGNED
<br />AND SEALED BY JOHN D
<br />STOWELL ON THE DATE
<br />LISTED BELOW USING A
<br />DIGITAL SIGNATURE.
<br />PRINTED COPIES OF THIS
<br />DOCUMENT ARE NOT
<br />CONSIDERED SIGNED AND
<br />SEALED AND THE
<br />SIGNATURE MUST BE
<br />VERIFIED ON ANY
<br />ELECTRONIC COPIES.
<br />JOHN D. STOWELL
<br />LICENSE # 91727
<br />`�`�,bp4lrllEt�,e�,d
<br />a S TO si
<br />x,,N Q E N
<br />No. 91 727
<br />Pam' STATE OF
<br />0•'•
<br />1 )�4 1 % el-11
<br />Nmsi
<br />06/30/2023
<br />REAR
<br />REFRIGERATION
<br />ELECTRICAL
<br />PLAN AND
<br />DETAILS
<br />EXISTING CONDITIONS WERE TAKEN FROM EACH SUEiCON I I;ACTOR IS RESPONSIBLE FOR HAVING
<br />ORIGINAL DRAWINGS AND MAY NOT REFLECT A THOROUGH KNOWLEDGE OF ALL DRAWINGS AND
<br />EXACT "AS -BUILT" CONDITIONS. CONTRACTOR SPEC IFICkTION`, IN THEIR RELATED FIELD. THE FAILURE
<br />SHALL FIELD VERIFY ALL EXISTING CONDITIONS TO ACQU�IN I I I If MSELF WITH THIS KNOWLEDGE DOES
<br />PRIOR TO SUBMITTING FINAL BIDS, CONTRACTOR NOT REI EVE THE RESPONSIBILITY OF PERFORMING
<br />SHALL CAREFULLY COORDINATE NEW WORK AND THE WOKK PROPERLY. NO ADDITIONAL SHEFT-
<br />DEMOLITION WITH ALL OTHER DISCIPLINES AND COMPEPSATION SHALL BE ALLOWED BECAUSE OF RE1.1
<br />EXISTING CONDITIONS. CONDITONS THAT OCCUR DUE TO FAILURE TO
<br />FAMII IARIZE WORKERS WITH THIS KNOWLEDGE.
<br />
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