Laserfiche WebLink
30 AMP FUSE <br />LEGEND <br />1. FACTORY WIRING <br />2. FIELD WIRING BY <br />ELECTRICAL CONTRACTOR <br />WIRING DIAGRAM <br />CONDENSATE DRAIN LINE <br />WALK-IN'S COIL MOUNT ANDWALK-IN'S FREEZER <br />CONDENSATE DRAIN LINE <br />WIRING DIAGRAM FOR FREEZER COIL <br />DEMAND DEFROST- KE2 LOW TEMP <br />VOLTAGEDEFROSTMODEL <br />RLA <br />UNIT COOLER <br />ITEM #QUANTITYSYSTEM DESCRIPTION <br />POWER FROM <br />BUILDING <br />DA 115/11.81WALK-IN COOLER ADT090AEK <br />POWER REQUIRED FOR MEDIUM TEMPERATURE EVAPORATOR COILS. <br />POWER FROM BUILDING; SUPPLIED BY ELECTRICAL CONTRACTOR <br />2 <br />WIRING DIAGRAM FOR COOLER COIL <br />DEMAND DEFROST- KE2 MED TEMP <br />SENSOR MOUNT DETAILS <br />KE2 TEMP <br />L1 <br />L2 <br />L3 <br />208V, 3Ø, 60 Hz <br />DISCONNECT <br />TO MAIN POWER PANEL <br />MAIN <br />BY ELECT. CONTRACTOR <br />208V <br />CONTROL PANEL <br />NOTE: <br />NO DEFROST TIMER AT WALK-IN BOXES. <br />ELECTRICAL CONTRACTOR TO SUPPLY POWER <br />FROM BUILDING AND CONNECT TO WALK-IN <br />COOLER/FREEZER EVAP BLOWER COIL'S <br />DEMAND DEFROST CONTROL. <br />CONDENSER <br />FAN <br />RLA: <br />H.P.: <br />4.0 <br />1/2ea. <br />1 <br />FAN <br />MOTORT-STATCONDENSER <br />FAN <br />RLA: <br />H.P.: <br />4.0 <br />1/2ea. <br />2 <br />FAN <br />MOTOR <br />20 AMP <br />CONDENSER <br />FAN <br />BREAKER <br />T-STATL3 <br />L3 <br />8" <br />VOLTAGEDEFROSTMODEL <br />RLA <br />UNIT COOLER <br />ITEM #QUANTITYSYSTEM DESCRIPTION <br />POWER FROM BUILDING <br />EVAP COIL <br />DB 1WALK-IN FREEZER 7.8 208/1LET065BEK <br />POWER REQUIRED FOR LOW TEMPERATURE EVAPORATOR COILS. <br />POWER FROM BUILDING; SUPPLIED BY ELECTRICAL CONTRACTOR <br />3 <br />VOLTAGERLA <br />DRAIN HEATER <br />208/15.0 <br />TYPICAL APPLICATION AT MEDIUM AND LOW TEMP UNITS. <br />KE2 AIR SENSOR AT COIL'S INTAKE SIDE (RETURN AIR) <br />MOUNTED 8" CLEAR (6" MINIMUM) FROM COIL'S CONDENSER AND ELECTRIC DEFROST <br />HEATERS. <br />THIS BRACKET CAN BE BENT AWAY FOR DISTANCE REQUIRED. <br />ATTACH SENSOR MOUNT BRACKET (PART OF KE2 KIT) TO <br />REAR OF COIL, PLACE AIR SENSOR THRU OPEN LOOP, WRAP AIR SENSOR CABLE AROUND <br />BRACKET AND USE PLASTIC TIES TO SECURE IN PLACE. <br />NOTE: AIR SENSOR AND BRACKET SHIPPED LOOSE DURING SHIPMENT TO PREVENT <br />DAMAGE, AND INSTALLED ON JOBSITE BY REFRIGERATION CONTRACTOR. <br />TYPICAL AT LOW TEMP APPLICATION ONLY. <br />KE2 COIL SENSOR IS INSERTED BETWEEN FINS OF THE CONDENSER COIL, MAKING <br />CONTACT WITH TWO REFRIGERATION TUBE LINES, THEN THE FINS ARE CRIMPED TO <br />SECURE THE COIL SENSOR IN PLACE. <br />COIL SENSOR'S LOCATION IS APPROXIMATELY 1-1/2" FROM END AND AT THE BOTTOM 1/3rd <br />SECTION OF THE CONDENSER COIL. <br />UTILIZE INSERT PLUGS INTO THE COIL HOUSING WHEN MOUNTING THE COIL SENSOR AND <br />CABLE, TO PREVENT DAMAGE TO THE SENSOR'S CABLE FROM SHARP EDGES. <br />3/4" NPT DRAIN <br />HEAVY-DUTY STEEL UNI-STRUT RAILING AT TOP OF <br />WALK-IN BOX FOR 1/4" TO 5/16" ALL THREAD STEEL <br />RODS WITH MATCHING STEEL WASHERS AND NUTS <br />TO HANG EVAPORATIVE COILS INSIDE. UNI-STRUT'S <br />LENGTH TO MATCH COIL'S LENGTH. <br />COPPER UNION ON DRAIN LINE <br />AT LOW TEMP UNITS (FREEZERS) ONLY <br />ELECTRICAL CONTRACTOR TO MOUNT <br />ELECTRIC HEATER CABLE AROUND DRAIN LINE. <br />CABLE TO BE SPIRALED AND TAPED TO DRAIN <br />LINE. <br />LOW <br />TEMP <br />COIL <br />MINIMUM 1" THICK ARMAFLEX <br />INSULATION AROUND FREEZER <br />COIL'S DRAIN LINE AND HEATER <br />CABLE <br />3/4" NPT DRAIN <br />12" MIN.18" MAX.CLEAR <br />HEAVY-DUTY STEEL UNI-STRUT RAILING AT TOP <br />OF WALK-IN BOX FOR 1/4" TO 5/16" ALL THREAD <br />STEEL RODS WITH MATCHING STEEL WASHERS <br />AND NUTS TO HANG EVAPORATIVE COILS INSIDE. <br />UNI-STRUT'S LENGTH TO MATCH COIL'S LENGTH. <br />DRAIN RECEPTOR, FLOOR SINK, ETC. <br />COPPER DRAIN LINE <br />BY JOBSITE PLUMBER <br />JOBSITE PLUMBER TO <br />CLAMP AND SECURE <br />DRAIN LINE IN PLACE <br />'P' TRAP <br />BY JOBSITE PLUMBER <br />PROVIDED AIR GAP (SPACING) <br />BETWEEN DRAIN RECEPTACLE AND <br />DRAIN LINE <br />MINIMUM 3/4" SPACE <br />REQUIRED FOR CLEANING <br />DRAIN PENETRATION THRU WALK-IN <br />BOX'S WALL TO BE SEALED <br />PENETRATION THRU WALK-IN <br />BOX'S CEILING TO BE SEALED <br />BY REFRIGERATION CONTRACTOR <br />COIL'S REFRIGERATION AND ELECTRICAL <br />TO PENETRATE UP THRU CEILING <br />NOTE: <br />EACH DRAIN LINE <br />TO RUN SEPARATELY <br />LOOP VENTS REQUIRED AT ALL SUCTION <br />LINES EXITING OUT FROM REFRIGERATED <br />UNITS AND FIXTURES. P-TRAP ONLY USED <br />WHEN REFRIGERATION UNIT IS ABOVE <br />EVAPORATOR (ROOF MOUNT). <br />WALK-IN BOX'S INSULATED WALL <br />WALK-IN BOX'S FLOOR <br />AIR FLOW <br />WALK-IN BOX'S CEILING <br />DRAIN FITTING ADDITION: <br />3/4" NPT COUPLING <br />3/4" 45° ELBOW <br />3/4" x 1-1/2" COPPER PIPE <br />3/4" UNION <br />PRE-ASSEMBLE AND MOUNTED <br />TO COIL'S DRAIN STUB <br />TYPICAL AT ALL WALK-IN <br />EVAPORATIVE BLOWER COILS. <br />P-TRAP ONLY USED <br />WHEN REFRIGERATION UNIT IS <br />ABOVE EVAPORATOR <br />(ROOF MOUNT). <br />COPPER UNION ON DRAIN LINE <br />COPPER DRAIN LINE BY <br />PLUMBING CONTRACTOR <br />NOTE: MUST MAINTAIN A MINIMUM <br />1/4" PER LINEAR FOOT PITCH DOWN PER <br />LENGTH OF ANY HORIZONTAL LINE RUN. <br />1.5" <br />SENSOR LOCATED INBOTTOM 1/3rd SECTIONOF CONDENSER COIL <br />DRAIN FITTING ADDITION: <br />3/4" NPT COUPLING <br />3/4" 45° ELBOW <br />3/4" x 1-1/2" COPPER PIPE <br />3/4" UNION <br />PRE-ASSEMBLE AND MOUNTED <br />TO COIL'S DRAIN STUB <br />TYPICAL AT ALL WALK-IN <br />EVAPORATIVE BLOWER COILS. <br />TEMPERATURE SENSOR <br />(PRE-WIRED)T1 AIRT2 COILRS-485 <br />MODBUS <br />NO NC <br />SOL <br />RELAY <br />COM <br />NO NC <br />HEATER <br />RELAY <br />COM <br />NO NC <br />FAN <br />RELAY <br />COM <br />L1 <br />GRD <br />L2 <br />POWER INPUT <br />KE2 LOW TEMP <br />S <br />GROUND <br />J X 4 3 N F2 F1 H3 H2 H1 <br />HL <br />HEATERS <br />FAN <br />MOTOR <br />FAN <br />MOTOR <br />DEFROST <br />DLH <br />DISCONNECT SWITCH <br />BY ELECTRICAL CONTRACTOR <br />L1 L2 <br />208V-1PH-60HZ <br />SUPPLIED BY <br />ELECTRICAL <br />CONTRACTOR <br />FIELD WIRING <br />FACTORY WIRING <br />NOTE: <br />CONTROLLER SUPPLIED BY COOLTEC AND <br />PRE-MOUNTED TO EVAPORATOR COIL'S <br />HOUSING <br />KE2 LOWTEMP <br />ELECTRIC DEFROST CONTROLLER <br />FOR WALK-IN FREEZER <br />INSTALLING THE SENSORS (BY REFRIGERATION CONTRACTOR): <br />AIR SENSOR (T1) <br />A. USE THE STAINLESS STEEL BRACKET AND SELF-PIERCING SCREW FROM THE <br /> ACCESSORY KIT. <br />B. THE SINGLE LOOP'S END IS DESIGNED TO BE MOUNTED WITH THE SCREW INCLUDED. <br />C. THE END WITH MULTIPLE LOOPS IS DESIGNED TO HOLD THE SENSOR. <br />D. LOCATE THE BEST PLACE TO INSTALL THE SENSOR. <br />E. THE SENSOR SHOULD BE LOCATED BETWEEN 6 AND 12 INCHES AWAY FROM THE FACE <br /> OF THE EVAPORATOR, THE DISTANCE PREVENTS THE SENSOR FROM THE SENSING HEAT <br /> FROM THE HEATING ELEMENTS DURING THE DEFROST CYCLE, BUT CLOSE ENOUGH TO <br /> ACCURATELY SENSE THE RETURN AIR TEMPERATURE. <br />F. THE SENSOR BRACKET MAY BE BENT AS NECESSARY TO LOCATE THE SENSOR IN THE <br /> PROPER POSITION. <br />COIL SENSOR (T2) <br />A. LOCATION OF THIS SENSOR IS AT THE FACE SIDE OF THE COIL'S CONDENSER, 1 TO <br /> 1-1/2 INCHES FROM THE RIGHT OR LEFT ENDS OF THE ACTIVE COIL SURFACE, AND <br /> IN THE 1/3 BOTTOM SECTION OF THE CONDENSER. <br /> THE SENSOR NEEDS TO BE AS FAR AWAY FROM THE DEFROST HEAT SOURCES AS <br /> POSSIBLE. <br /> NOTE: INSERT PLUG (ITEM G FROM THE PARTS LIST) INTO THE COIL HOUSING WHEN <br /> MOUNTING THE SENSOR WIRE TO PREVENT DAMAGE TO THE SENSOR FROM SHARP <br /> EDGES. THE PLUG IS PROVIDED SHOULD BE INSERTED INTO THE INNER HOUSING TO <br /> ACCESS THE COIL. INSTALLER MUST PUNCTURE PLUG TO INSERT SENSOR <br />SYSTEM B (LOW TEMP.) <br />208-1-60 <br />DEMAND DEFROST AT WALK-IN FREEZER COIL <br />MOTOR <br />FAN <br />NO <br />NC <br />COM <br />POWER INPUT <br />FAN RELAY <br />NO <br />NC <br />COM <br />NO <br />NC <br />COM <br />HEATER RELAY <br />COMPRESSOR/LLS RELAY <br />DRAIN LINE HEATER (FIELD INSTALLED) <br />HL <br />S <br />L1 L2 <br />NOTE: <br />CHECK VOLTAGE CONNECTION <br />BEFORE START-UP <br />KE2 HAS SWITCH BEHIND COVER <br />TO CONVERT VOLTAGE <br />TO 115V OR 208V <br />208V-1Ø WIRING <br />COLOR CODE: <br />L1 = BLACK <br />L2 = RED <br />RS-485 <br />NEUTRAL (L2) <br />A <br />TEMP IN <br />+B Sh <br />115/220 NC NO COM <br />VAC Relay <br />KE2TEMP <br />COIL TEMP SENSOR <br /> LLS <br />COMP <br />L1 <br />L2 <br />M1M2 <br />DISCONNECT <br />SWITCH BY <br />ELECTRICAL <br />CONTRACTOR <br />L1N <br />115V-1PH-60HZ <br />SUPPLIED BY <br />ELECTRICAL CONTRACTOR <br />PRIMARY COIL <br />TERMINAL BOARD <br />NOTE: <br />CONTROLLER SUPPLIED BY COOLTEC AND <br />PRE-MOUNTED TO EVAPORATOR COIL'S <br />HOUSING <br />FACTORY WIRING <br />FIELD WIRING <br />KE2TEMP <br />TIME INITIATED, TIME TERMINATED <br />CLOCK FOR WALK-IN COOLER <br />115V <br />L1 = BLACK <br />N = WHITE <br />G = GREEN <br />A <br />SYSTEM <br />RLA: <br />LRA: <br />H.P.: <br />5.6 <br />48 <br />3/4 <br />ZB07KAE-PFV <br />B <br />SYSTEM WALK-IN <br />FREEZER <br />RLA: <br />LRA: <br />H.P.: <br />8.3 <br />55 <br />1.5 <br />ZF06KAE-TF5 <br />L1 L2 <br />L1 L2 <br />L1 L2 <br />T1 T2 <br />C1 <br />C3 <br />COMP. <br />3/4 <br />HP <br />20 AMP <br />COMPRESSOR <br />BREAKER <br />30 AMP <br />COMPRESSOR <br />CONTACTOR <br />DISCHARGE <br />LINE T-STAT <br />D.P.S. <br />C.C.H. <br />L1L3L2 <br />L1L3L2 <br />L1 L3L2 <br />T1 T3T2 <br />C1 <br />C3 <br />COMP. <br />1.5 <br />HP <br />20 AMP <br />COMPRESSOR <br />BREAKER <br />30 AMP <br />COMPRESSOR <br />CONTACTOR <br />DISCHARGE <br />LINE T-STAT <br />D.P.S. <br />C.C.H. <br />3/4 HP 1.5 HP <br />WALK-IN <br />COOLER <br />L2 <br />L2 20 AMP <br />CONDENSER <br />FAN <br />BREAKERL3 <br />L3 <br />FS7.2 <br />A <br />FS7.2 <br />B <br />FS7.2 <br />C <br />FS7.2 <br />D <br />FS7.2 <br />E <br />FS7.2 <br />F <br />FS7.2 <br />PLATFORM DETAILG <br />ROOF DECK <br />3" MIN. <br />ROOFING <br />COVER ROOF INSIDE PLATFORM WITH 2" THICK x 3 LB. <br />DENSITY FIBERGLASS INSULATING BOARD AND 2 LAYERS <br />5/8" GYP BOARD WITH TAPED & STAGGERED JOINTS. <br />PRE-DRILL HOLES AND FILL <br />WITH SEALANT <br />MIN. 3 1/2" PENETRATION <br />INTO PLATFORM FRAMING, <br />6x6 BLOCKING ALIGNED WITH <br />RAILS WITH SIMPSON LUS <br />JOIST HANGER EA. END <br />SECURE TO PLATFORM W/ <br />(4) 3/8" DIA. LAG SCREWS,VARIES SLOPE ROOF(TYP)8" MIN. ALL SIDES4x12 PRESSURE TREATED DF RAILS, <br />SEALED RIPPED LEVEL, ALL 4 SIDES, W/ <br />1/2" DIA. LAG SCREW AT 24" O.C.,MIN 2 PER <br />EACH OF 4 SIDES EMBED 4" INTO ROOF FRAMING <br />CANT STRIP SHALL <br />BE PVC CLAD <br />METAL ALL SIDES <br />TO TOP <br />REFRIGERATION UNIT <br />REFER TO A/FS7.1 <br />4x4 BLOCKING W/ <br />SIMPSON A34 CLIPS <br />EACH SIDE, EACH END. <br />1/2" PLYWOOD OVER 2x6 T&G <br />DECKING W/16d @ 6" OC AT <br />PERIMETER, AND @ 12" OC IN <br />IN THE FIELD <br />PAN OVER PLATFORM <br />24 GA. WATER TIGHT <br />PRE-DRILL HOLES AND FILL <br />WITH SEALANT <br />MIN. 3 1/2" PENETRATION <br />INTO PLATFORM FRAMING, <br />SECURE TO PLATFORM W/ <br />(4) 3/8" DIA. LAG SCREWS, <br />SHEETSOF730 Howe Avenue, Suite 450Sacramento, CA 95825Phone: 916.921.2112Fax: 916.921.2212XX <br />SHEET NO. <br />CONSULTANT <br />UPDATED <br />CADFILE <br />CHECKED <br />DRAWN <br />SCALE <br />PROJECT NO. <br />DATE <br />04/10/2020 <br />REVISIONS BY <br />19-32-050 <br />SLH <br />SLH <br />FILE NO. 39-50 APP NO. 02-118041 <br />KITCHEN RENOVATIONHOUSTON (SERNA) SCHOOLFOODSERVICE EQUIPMENTREMOTE REFRIGERATIONFS7.2