Inhaltszusammenfassung zur Seite Nr. 1
®
AQUASNAP
30RAP010-060
Liquid Chillers
TM
with COMFORTLINK Controls
Installation Instructions
.
CONTENTS
WARNING
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1
Electrical shock can cause personal injury and death. Shut
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31
off all power to this equipment during installation. There
Step 1 — Rig and Place the Unit. . . . . . . . . . . . . . . . . . 1
may be more than one disconnect switch. Tag
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30RAP0 010 6DA 0 600 Packaging/Security Options 0 – Std Packaging 30RA – Air-Cooled AquaSnap Chiller 4 – Security Grilles/Hail Guards Only 8 – Skid Only D – Skid, Security Grilles/Hail Guards Refrigerant Type J – Skid, Top Crate, Bag ® P – Puron N – Skid, Top Crate, Bag, Security Grilles/Hail Guards Unit Sizes Controls/Communications Options 010 025 045 0 – Std 015 030 050 5 – EMM 018 035 055 B – EMM, GFI 020 040 060 Electrical Options Voltage 0 – No Disconnect, No Cooler Heater 1 – 575-3-60 1
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STANDARD UNITS POUNDS KILOGRAMS 30RAP 30RAP Total Total SIZE SIZE ABCD AB C D Weight Weight 010 188 209 161 146 704 010 85.5 94.6 73.1 66.1 319.3 015 193 213 163 149 718 015 87.7 96.4 74.1 67.4 325.5 018 363 264 209 288 1125 018 164.9 119.9 94.9 130.6 510.3 020 365 266 211 290 1133 020 165.8 120.8 95.8 131.5 513.9 025 393 290 237 321 1242 025 178.3 131.8 107.7 145.7 563.5 030 405 301 246 331 1283 030 183.7 136.3 111.6 150.4 582.0 035 652 730 413 369 2163 035 295.7 331.0 187.2 1
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Table 1A — Physical Data, 30RAP — English UNIT 30RAP 010 015 018 020 025 030 035 040 045 050 055 060 OPERATING WEIGHT (lb) MCHX Condenser Coil, No Pump 704 718 1125 1133 1242 1283216321852238 2263 2369 2375 MCHX Condenser Coil, Single Pump 866 8801288 1296 1405 1446 2507 2529 2582 2606 2713 2719 MCHX Condenser Coil, Dual Pump 1029 1043 1450 1458 1567 1608 2850 2872 2925 2950 3056 3062 REFRIGERANT TYPE R-410A, EXV Controlled System Total Refrigerant Charge (lb) 8.6 9.6 14.6 15.2 16.7 17.6 29.2 29
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Table 1B — Physical Data, 30RAP — SI UNIT 30RAP 010 015 018 020 025 030 035 040 045 050 055 060 OPERATING WEIGHT (kg) MCHX Condenser Coil, No Pump 319 326 510 514 564 582981 991 1015 1026 1075 1077 MCHX Condenser Coil, Single Pump 393 399 584588 637 656 1137 1147 1171 118212311233 MCHX Condenser Coil, Dual Pump 467 473 658 661 711 729 1293 1303 1327 1338 13861389 REFRIGERANT TYPE R-410A, EXV Controlled System Total Refrigerant Charge (kg) 3.9 4.4 6.6 7.1 7.6 8.0 13.4 13.6 15.6 15.7 16.0 16.1 Ref
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MOUNTING UNIT — When unit is in proper location, use end opposite the control panel for sizes 035 to 060. See of mounting holes in base rails is recommended for securing Fig. 5-10, depending on model. unit to supporting structure, or for mounting unit on vibration All sizes have victaulic connections as shown in the physi- isolators if required. See Fig. 4. Fasteners for mounting unit are cal data tables. Provide a means of venting air from the high 1 field supplied. Be sure unit is level to wit
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a30-4948 7 CENTER OF GRAVITY UNIT HEIGHT VICTAULIC CONNECTIONS UNIT X Y H (STANDARD) H (VALUE SOUND) WATER IN/OUT 30RA010 18.40 [467] 37.80 [960] 66.5 [1689] 61.0 [1549] 2" 36 [914] MIN. STANDARD 30RA015 18.35 [466] 37.69 [957] 66.5 [1689] 61.0 [1549] 2" 42 [1067] MIN. NOTES: COIL 48 [1219] MIN. AREA 1. DO NOT CAP OR OTHERWISE OBSTRUCT THE LIQUID LINE TEMPERATURE RELIEF. SERVICE CLEARANCE 2. 7/8 [22.4] PILOT HOLE PROVIDED FOR LOCATING FIELD POWER WIRING. BORDER PANEL S
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a30-4949 8 CENTER OF GRAVITY UNIT HEIGHT POWER ENTRY VICTAULIC CONNECTIONS UNIT XY H (STANDARD) H (VALUE SOUND) P WATER IN/OUT 30RA018 18.37 [467] 38.77 [985] 66.5 [1689] 61.0 [1549] 24.9 [631] 2" 36 [914] MIN. 30RA020 18.38 [467] 38.79 [985] 66.5 [1689] 61.0 [1549] 24.9 [631] 2" 30RA025 18.58 [472] 38.93 [989] 78.5 [1994] 73.0 [1854] 36.9 [936] 2" 30RA030 18.59 [472] 38.98 [990] 78.5 [1994] 73.0 [1854] 36.9 [936] 2" COIL AREA 42 [1067] MIN. 48 [1219] MIN. NOTES: 1. DO NOT CAP OR OTHERWI
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a30-4950 9 CENTER OF GRAVITY UNIT HEIGHT VICTAULIC CONNECTIONS UNIT X Y H (STANDARD) H (VALUE SOUND) WATER IN/OUT 30RA035 36.45 [926] 46.08 [1170] 66.5 [1689] 61.0 [1549] 2-1/2" 30RA040 36.24 [921] 44.03 [1118] 66.5 [1689] 61.0 [1549] 2-1/2" 30RA045 36.24 [921] 46.15 [1172] 78.5 [1994] 73.0 [1854] 2-1/2" AIR FLOW COIL SIDE 30RA050 36.00 [914] 44.00 [1118] 78.5 [1994] 73.0 [1854] 2-1/2" 42 [1067] MIN. SEE NOTE #4 30RA055 36.48 [927] 44.60 [1133] 78.5 [1994] 73.0 [1854] 2-1/2" 30RA060 36.50 [927]
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a30-4879 10 1' 5-13/32" [] 442 2.5"[63.5] VICTAULIC WATER INLET/OUTLET 1' 1/32" [] 306 TANK ACCESS 1' 11-31/64" TANK TANK [] 597 ACCESS TANK ACCESS CENTER OF GRAVITY ACCESS .88"[22.35] KNOCKOUT FOR POWER TO CONTROL BOX CONTROL 3' 10-63/64" C.B BOX END [] 1193 ACCESS TANK ACCESS TANK ACCESS TANK ACCESS 1' 1/32" [] 306 1-1/2" [] 38.1 2.5"[63.5] VICTAULIC WATER INLET/OUTLET 3" 1' 5-13/32" 2' 8-3/4" [] 76.2 [] 442 [] 832 MOUNTING HOLES, CENTER OF GRAVITY .395/.405 (TYP) FOUR CORNERS (TYP) MOUNTING H
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a30-4880 11 1' 5-13/32" [] 442 2.5"[63.5] VICTAULIC WATER .88" (22.35) KNOCKOUT FOR INLET/OUTLET POWER TO THE CONTROL BOX 1' 1/64" [] 305 TANK ACCESS TANK TANK ACCESS 1' 11-17/32" ACCESS TANK [] 598 ACCESS CENTER OF GRAVITY 3' 10-63/64" [] 1193 CONTROL C.B BOX END ACCESS TANK ACCESS TANK ACCESS TANK ACCESS 1' 1/32" 1-1/2" [] 306 [] 38.1 2.5"[63.5] VICTAULIC WATER INLET/OUTLET 3' 8" .395/.405 (TYP) 3" 1' 5-13/32" [] 1118 MOUNTING HOLES, [] 76.2 [] 442 CENTER OF GRAVITY MIDDLE EACH SIDE MOUNTIN
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a30-4881 a30-4880 12 3" [] 76.2 .395/.405 (TYP) 1' 5-13/32" 1-1/2" MOUNTING HOLES, MOUNTING HOLES, [] 442 [] 38.1 FOUR CORNERS (TYP) MIDDLE EACH SIDE 1' 1/64" [] 305 TANK TANK .88" (22.35) KNOCKOUT FOR ACCESS ACCESS POWER TO THE CONTROL BOX TANK ACCESS 3' 7-63/64" [] 1117 C.B ACCESS 4' 1-23/64" TANK CONTROL [] 1254 ACCESS BOX END CENTER OF GRAVITY TANK ACCESS 8' 2-3/4" TANK [] 2508 ACCESS MOUNTING HOLES MOUNTING HOLES 2.5"[63.5] VICTAULIC WATER TANK INLET/OUTLET .88" (22.35) KNOCKOUT FOR ACC
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UNITS WITH FACTORY-INSTALLED HYDRONIC the piping between the unit and the valves, following all PACKAGES — The 30RAP chillers with factory-installed applicable state and local codes. hydronic packages are designed for use with closed systems, System Pressurization — A proper initial cold fill pressure meaning that there is no more than one water-air interface in must be established before the filling of the unit. The initial the water loop. Cooling tower loops, for example, have two cold fill pr
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unless the water loop volume changes (either due to addition/ subtraction of water or temperature expansion/contraction). The pressure at this point remains the same regardless of whether or not the pump is running. Since the expansion tank acts as a reference point for the pump, there cannot be two reference points (two expansion tanks) in a system (unless manifolded together). If system 7 volume or other design considerations warrant the placement (HIDDEN) of another expansion tank somewhere i
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maintenance purposes, and that they be located where they can every 3 to 4 hours. Change filters as often as neces- be prevented from freezing. sary during the cleaning process. d. Remove temporary bypass when cleaning is Step 4 — Fill the Chilled Water Loop complete. WATER SYSTEM CLEANING — Proper water system cleaning is of vital importance. Excessive particulates in the Table 3 — Water Quality Characteristics water system can cause excessive pump seal wear, reduce or and Limitations stop flow
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FILLING THE SYSTEM — The initial fill of the chilled that often occurs when subtracting pressures made by different water system must accomplish three purposes: gages. On primary/secondary systems, it is advisable to set the 1. The entire piping system must be filled with water. 30RAP balancing valve to maintain design flow plus 10% 2. The pressure at the top of the system must be high enough through the chiller. to vent air from the system (usually 4 psig is adequate for most vents). A rough es
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Table 4A — Head (Ft Water) as Read on Balancing Valve for 30RAP010-030 GPM SETTING 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 0 0 0 0.1 0.3 0.6 0.9 1.3 1.8 2.3 2.9 3.6 4.4 5.2 6.1 7.1 8.1 9.2 10.4 11.7 13 14.4 10 00.1 0.3 0.7 1.2 1.8 2.7 3.6 4.7 6 7.4 8.9 10.6 12.4 14.4 16.6 18.9 —— —— 20 0 0.2 0.7 1.6 2.9 4.6 6.6 8.9 11.7 14.8 18.2 —— —— —— —— —— 30 00.5 2 4.6 8.1 12.7 18.3 —— —— —— —— —— —— —— 40 0 1.6 6.2 14 — ——— —— —— —— —— —— —— — 50 0 4.1 16.2 —— ——— —— —— —— —— —— —— —
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50 45 7 9 8 10 40 12 11 & 35 30 25 20 15 10 10 5 0 0 0 50 100 150 200 250 GPM LEGEND 7 — 30RAP035 10 — 30RAP050 8 — 30RAP040 11 — 30RAP055 9 — 30RAP045 12 — 30RAP060 Fig. 16B — Heat Exchanger Pressure Drop — 30RAP035-060 (English) 325 300 6 4 5 2 3 1 275 250 225 200 175 150 125 100 75 50 25 0 012 3 45 67 8 9 1011 1213 14 15 Liters/second LEGEND 1 — 30RAP010 4 — 30RAP020 2 — 30RAP015 5 — 30RAP025 3 — 30RAP018 6 — 30RAP030 Fig. 17A — Heat Exchanger Pressure Drop — 30RAP010-030 (SI) 18 W W
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325 9 300 8 7 10 275 11 & 12 250 225 200 175 150 125 100 75 50 50 25 0 0 5 10 15 20 25 LEGEND Liters/second 7 — 30RAP035 10 — 30RAP050 8 — 30RAP040 11 — 30RAP055 9 — 30RAP045 12 — 30RAP060 Fig. 17B — Heat Exchanger Pressure Drop — 30RAP035-060 (SI) Table 7 — Maximum Loop Volume Limits 30RAP010-030 30RAP035-060 CONCENTRATION GALLGAL L PURE WATER 310 1173 725 2744 10% EG 180 681 425 1609 20% EG 175 662 410 1552 30% EG 155 587 370 1401 BAD GOOD 40% EG 150 568 350 1325 10% PG 175 662 410 1552 2
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The other method for reducing flow on a constant speed pump is impeller trimming. The impellers in the pumps provid- CAUTION ed in the 30RAP hydronic kit are easily removable for this pur- pose. Refer to the ITT literature packet supplied with the Do not circulate water through unit without strainer in hydronic package information on Seal Replacement in the place. Failure to use the strainer represents abuse and may Service Section, and follow its instructions for impeller remov- impair or othe
