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62--10458--00

Models

90MA/MF/MU, Design Series Two

Beginning Serial Number C00400

INST

ALLA

TION

OPERA

ION

SER

VICE

Marine/Industrial

Single Package

Cooling Unit

Содержание 90MA

Страница 1: ...62 10458 00 Models 90MA MF MU Design Series Two Beginning Serial Number C00400 INSTALLATION OPERATION SERVICE Marine Industrial Single Package Cooling Unit ...

Страница 2: ...INDUSTRIAL SINGLE PACKAGE COOLING UNIT MODELS 90MA MF MU Design Series Two Beginning Serial Number C00400 Carrier Transicold Carrier Corporation P O Box 4805 Syracuse N Y 13221 U S A Carrier Refrigeration Operations A member of the United Technologies Corporation family Stock symbol UTX ...

Страница 3: ...es Tag circuit breaker and power supply to prevent accidental energizing of circuit Do not bypass any electrical safety devices e g bridging an overload or using any sort of jumper wires Problems with the system should be diagnosed and any necessary repairs performed by qualified service personnel In case of electrical fire open circuit switch and extinguish with CO2 never use water SPECIFIC WARNI...

Страница 4: ...mage cover evaporator face with plywood or other rigid sheet material If any coil fins are mashed or bent straighten with a coil fin comb of theproper tooth spacing referto coil fins inch in Table 1 through Table 2 Check for refrigerant leaks CAUTION Before attempting to remove fan motors or motor mounts place a piece of plywood over evaporator coils to prevent coil damage ...

Страница 5: ...1 3 9 Check Return Air Filters 5 3 10 Align Fan Shaft and Wheel 5 3 11 Check Compressor Spring Mounts 008 012 size only 6 3 12 Make Condenser Connections 6 3 13 Install Condensate Drain Line 7 3 14 Make Electrical Connections 7 4 OPERATION 8 4 1 To Start Unit 8 4 2 To Shut Down Unit 8 4 3 Sequence Of Operation 8 5 SERVICE 9 5 1 Return Air Grille Removal 9 5 2 Access Panel Removal 9 5 3 Evaporator ...

Страница 6: ... Gravity Flow Method 10 Figure 10 Forced Circulation Method 11 Figure 11 Charging Charts 11 Figure 12 Mounting Base 13 Figure 13 Wiring Schematic 90MA MF MU004 006 14 Figure 14 Component Arrangement 90MA MF MU004 006 15 Figure 15 Wiring Schematic 90MA MF MU008 012 16 Figure 16 Component Arrangement 90MA MF MU008 012 17 LIST OF TABLES TABLE NUMBER Page Table 1 90MA MF MU Physical Data Refrigerant 2...

Страница 7: ...ron that adequately supports unit See Figure 12 3 4 Install Accessory Heating Coil if applicable Electric heaters are installed at the top of the unit Water or steam coil must be installed through the back of the unit as described in the Installation Instructions shipped with the accessory coil 3 5 Rig and Place Unit NOTE Install accessories before placing unit a Provide space around unit for serv...

Страница 8: ... Pitch Diameter Range inches cm 2 4 to 3 4 6 1 to 8 6 Motor Nominal Rating 60 Hz Frame Size Standard horse power 1 3 56 3 4 56 1 56 2 56 25 56 56 56 75 56 1 5 56 Alternate See Note 1 horse power 3 4 56 1 56 2 56 3 56 56 56 75 56 1 5 56 2 2 56 Alternate See Note 1 horse power 3 56 2 2 56 EVAPORATOR COIL 3 8 95 cm OD Copper Tubes Aluminum Fins Tube Type Prime Quantity of Rows fin Spacing fins inch c...

Страница 9: ...ameter Range inches cm 2 4 to 3 4 6 1 to 8 6 Motor Nominal Rating 60 Hz Frame Size Standard horse power 1 3 56 3 4 56 1 56 2 56 25 56 56 56 75 56 1 5 56 Alternate See Note 1 horse power 3 4 56 1 56 2 56 3 56 56 56 75 56 1 5 56 2 2 56 Alternate See Note 1 horse power 3 56 2 2 56 EVAPORATOR COIL 3 8 OD Copper Tubes Aluminum Fins Tube Type Prime Prime Quantity of Rows fin Spacing fins inch cm 2 14 4 ...

Страница 10: ...ches cm 2 4 to 3 4 6 1 to 8 6 Motor Nominal Rating 60 Hz Frame Size Standard horse power 1 56 2 56 75 56 1 5 56 Alternate See Note 1 horse power 2 56 3 56 1 5 56 2 2 56 Alternate See Note 1 horse power 3 56 2 2 56 EVAPORATOR COIL 3 8 OD 0 95 cm Copper Tubes Aluminum Fins Tube Type Prime Quantity of Rows fin Spacing fins inch cm 3 12 5 3 14 9 Face Area sq ft sq m 7 3 8 5 0 68 0 79 RETURN AIR FILTER...

Страница 11: ... be installed at tach it directly to unit back panel and install flexible connection between damper and remaining duct work Use accepted ductwork installation proce dures Follow all applicable codes c Completely blank off the standard return airopening with a field fabricated fillerpanel Thepanel must be removable for service access Refer to paragraph 5 1 3 9 Check Return Air Filters Ensure filter...

Страница 12: ... in either direction therefore the direction of rotation need not be checked 3 12 Make Condenser Connections UNIT MOUNTED CONDENSER 90MA MF Condenser water inlet and outlet connections are shown in Figure 5 Piping arrangements for condenser cooling water are shown in Figure 6 Connect condenser water supply and return lines as indicated When connecting water lines hold the condenser inlet and outle...

Страница 13: ...in Line Install a trapped condensate drain line at unit drain connection The drain requires standard pipe connected to condensate pan nipple s Figure 7 shows proper trap design Determine design negative static pressure This pressure is not the same as fan total static pressure which includes pressure losses downstream as well as upstream from the evaporator air fan Always assume the worst conditio...

Страница 14: ...itch to OFF position Do not shut off main power except to service unit The crankcase heater is operative only when main power is on Re fer to paragraph 5 12 b If unit is to be used for winter heating set selector switch at HEAT position and re set thermostat at de sired setting c Ifunit may beexposed tofreezing temperatures drain water from condenser and water piping Add a non corrosive antifreeze...

Страница 15: ...l damage cover evaporator face with plywood or other rigid sheet material If any coil fins are mashed or bent straight en with a coil fin comb of the proper tooth spacing refer to coil fins inch in Table 1 through Table 2 Check for refrigerant leaks 5 1 Return Air Grille Removal a Pull grille out from top b Pull grille up to release hinge pins from lower panel c To reassemble reverse procedure 5 2...

Страница 16: ...be made slowly allowing ample time for re sponse and stabilization b Install a calibrated gauge at the liquid line service port Operating liquid linerangefor R 22 units is 250 to 270 psig 1724 to 1862 kPa for R 134a units is 155 to 180 psig 1069 to 1241 kPa and for R 407C is 267 to 288 psig 1841 to 1986 kPa If pressure read ing is below operating range rotate the square head adjusting screw counte...

Страница 17: ...nd compressor suction service valves b Leak test reclaim refrigerant and evacuate c Add sufficient refrigerant vapor to permit continuous operation after starting unit d Start unit Using standard charging techniques add refrigerant as required to maintain normal operating conditions Use charging chart supplied with con denser if available If information is not available block off enough of condens...

Страница 18: ...efore starting compressor Refer to Operation 5 13 Cycle LocTM Protection Device All units are equipped with Cycle LOC current sensing lockout relay This device will lock out the compressor after any safety trip discharge pressure switch suction pressure switch or internal overload of the compressor Check reason for lockout before resetting the device Refer to unit label wiring diagram To reset tur...

Страница 19: ...ON A 004 006 SIZE 40 25 52 00 B 22 00 27 31 C 38 25 50 00 D 36 25 48 00 E 1 25 F 45 50 G 18 005 23 31 H 0 75 J 25 81 K 3 18 L 2 56 M 8 75 N 2 00 P 1 00 R 5 00 9 00 S 7 50 6 00 T 15 00 16 50 V 10 00 15 38 W 0 70 008 012 SIZE A Figure 12 Mounting Base ...

Страница 20: ... T2 YEL IFM C FIELD L1 H2 BLU CC 11 21 GROUND MC AS AC H2 H1 1 H1 OPTIONAL ELECTRIC DUCT HEATER HEATERS X 3 2 1 LOGIC H1 H2 H3 H4 YEL H5 H6 L1 L2 L3 G TB1 4 TB1 3 NO NO NC IPF BLU RED IPC RED BLU CHR SEE NOTE 1 BLU 4 ORN 5 VIO BLK BLK CH RED CHR 1 3 RED CC BRN BRN C2 CC CHR C2 CC TRAN IFC C2 CHR CL 1 IFC GRN RED 90MU UNITS ONLY BRN SINGLE OR THREE PAHSE AS REQUIRED 90MU CONDENSER FAN WIRING SHIPS ...

Страница 21: ...3 H2 H4 X2 X1 TRAN CLO 1 TB1 GROUND CONTROL BOX MC MANUAL RESET CUTOUT F IPF INTERNAL PROTECTOR FAN MOTOR T THERMOSTAT C2 CHR C1 3 6 2 5 1 4 CRANKCASE HEATER CH CHR CRANKCASE HEATER RELAY CFR CONDENSER FAN RELAY 11 21 C1 CFR 22 12 23 13 C2 90MU ONLY VIEW A A VIEW B B TB1 5 TB1 4 NC NO TB1 1 NO HEAT CONTROL PANEL B B OFF FAN COOL O O C R LE R WA ME R A A 5 4 3 2 NOTES 1 208 230 3 60 VOLT UNITS FACT...

Страница 22: ...BRN IFC C2 CC BRN BRN CC BRN BRN TRAN IFC BRN CHR RED IFC US BRN BRN CC CHR BLK GRN CHR 4 5 CH 3 2 T3 T1 T2 YEL COLOR VARIES IFM C FIELD L1 H2 BLU CC 11 21 GROUND MC OLB 4 3 AS AC H2 H1 COLOR VARIES 1 H1 OPTIONAL ELECTRIC DUCT HEATER HEATERS X 3 2 1 LOGIC H1 H2 H3 H4 YEL H5 H6 VIO ORN BLK BRN BRN C2 C2 1 L1 L2 L3 G TB1 4 TB1 3 NO NO NC IPF 90MA012 UNITS ONLY BRN BRN LLS BLU RED RED BLK BLK GRN RED...

Страница 23: ... H4 X2 X1 TRAN CLO 1 TB1 GROUND CONTROL BOX MC MANUAL RESET CUTOUT F IPF INTERNAL PROTECTOR FAN MOTOR T THERMOSTAT C2 CHR C1 3 6 2 5 1 4 CRANKCASE HEATER CH CHR CRANKCASE HEATER RELAY CFR CONDENSER FAN RELAY 11 21 C1 CFR 22 12 23 13 C2 90MU ONLY VIEW A A VIEW B B TB1 5 TB1 4 NC NO TB1 1 NO HEAT CONTROL PANEL B B OFF FAN COOL O O C R LE R WA ME R A A 5 4 3 2 NOTES 1 208 230 3 60 VOLT UNITS FACTORY ...

Страница 24: ... Evaporator Coil 10 F Fan Adjustment 9 Fan Motor 12 Fan Shaft 5 H Heating Coil 1 I Installation 1 Introduction 1 L Line Sizes 7 M Model Chart 1 Mounting Base 13 O Oil Charge 12 P Pressure Relief Device 12 Pressure Switches 12 R Refrigerant Charging 11 Remote Condenser 7 Return Air 1 S Sequence Of Operation 8 Shut Down Unit 8 Spring Mounts 6 Start Unit 8 V Ventilation 1 W Water Regulating Valve 10 ...

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