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Installation Instructions

Manual No.: 2100-292
Date:

12-19-96

Outdoor Condens-
ing

Section

Models: CTHAC181-A

CTHAC181-D

CTHAC241-A

CTHAC241-D

CTHAC301-A

CTHAC301-D

CTHAC361-A

CTHAC361-G

CTHAC421-A

CTHAC421-E

CTHAC421-F

CTHAC421-G

CTHAC481-A

CTHAC481-B

CTHAC481-E

CTHAC481-G

CTHAC601-A

CTHAC601-B

CTHAC601-E

CTHAC601-F

CTHAC601-G

For Use With:
Matching Indoor Blower Coil Units and
Matching Add On Coil Units Only

Содержание CTHAC181-A

Страница 1: ...AC181 D CTHAC241 A CTHAC241 D CTHAC301 A CTHAC301 D CTHAC361 A CTHAC361 G CTHAC421 A CTHAC421 E CTHAC421 F CTHAC421 G CTHAC481 A CTHAC481 B CTHAC481 E CTHAC481 E CTHAC481 G CTHAC601 A CTHAC601 B CTHAC601 E CTHAC601 F CTHAC601 G For Use With Matching Indoor Blower Coil Units and Matching Add On Coil Units Only ...

Страница 2: ...l 3 Shipping Damage 3 Application 3 Location 3 Mounting Unit Outside on Slab 3 Important Installer Note 3 Installing Refrigerant Tubing 3 Sweat Style Tubing Connections Sweat Indoor Unit and Sweat Outdoor Unit 4 Wiring Instructions 7 General 7 Control Circuit Wiring 7 Option Controls 8 Installation Instructions CMA 1 8 Installation Instructions CMA 2 9 Installation Instructions CMA 4 9 Installatio...

Страница 3: ...F 415 380 50 3 G 220 200 50 1 Modification Code Capacity 3 Ton or Approx 36 000 BTU Basic Model Number Figure 1 MIS 617 Condensing Unit Model Number Evaporator Coil Model Number CFM System Orifice Required CTHAC181 FCP24 CEVA018 600 600 0 051 0 050 CTHAC201 FCP24 CEVA024 800 800 0 059 0 061 CTHAC301 FCP30 CEVA030 1000 1000 0 065 0 063 CTHAC361 FCP36 CEVA036 1200 1200 0 072 0 065 CTHAC421 FCP42 122...

Страница 4: ...re size R Maximum time delay fuse or HACR type circuit breaker Table 3 Specifications MODELS CTHAC181 A CTHAC241 A CTHAC301 A CTHAC361 A CTHAC421 A Electrical Rating 60HZ V Ph 230 208 1 230 208 1 230 208 1 230 208 1 230 208 1 Operating Voltage Range 197 253 197 253 197 253 197 253 197 253 Minimum Circuit Ampacity 15 15 19 20 25 QField Wire Size 14 14 12 12 10 RDelay Fuse Maximum or Circuit Breaker...

Страница 5: ...5 155 180 180 180 250 250 Q 75º C copper wire size R Maximum time delay fuse or HACR type circuit breaker S For high voltage control circuit options consult factory Table 4 Specifications continued MODELS CTHAC481 G CTHAC481 E CTHAC481 F CTHAC481 G CTHAC601 E CTHAC601 F Electrical Rating 50HZ V Ph 220 200 1 220 200 3 415 380 3 220 200 1 220 200 3 415 380 3 Operating Voltage Range 180 220 180 242 3...

Страница 6: ...ions installer should adhere to local codes Figure 2 Installation Clearance The condensing unit is designed to be located outside with free and unobstructed condenser air inlet and discharge It must also permit access for service and installation Condenser air enters the coil and discharges Refrigerant and electrical connections are made from the rear of the unit as shown in Figure 2 with electric...

Страница 7: ... from the union nut to the bulkhead Then tighten an additional 1 6 turn or 1 hex flat The misalignment of the line will show the amount the assembly has been tightened This final 1 6 turn is necessary to insure the formation of the leakproof joint Figure 3 Installing Refrigerant Tubing Sweat Style Tubing Connections Sweat Indoor Unit and Sweat Outdoor Unit Use only refrigeration grade dehydrated a...

Страница 8: ...e fluxes To further prevent the formation of copper oxide inside the tubing dry nitrogen may be purged through the refrigerant system during brazing WARNING Never purge or pressurize a system with oxygen An explosion and fire will result Step 10 After brazing quench with wet rag to cool the joint and remove any flux residue Step 11 Leak test all connections using an electronic leak detector or a h...

Страница 9: ...it wiring gauge needed to insure proper operation of all controls in both indoor and outdoor units will depend on two factors 1 The rated VA of the control circuit transformer 2 The maximum total distance of the control circuit wiring This is the distance between the wall thermostat to the indoor unit plus the distance between the indoor unit to the outdoor unit The following table should be used ...

Страница 10: ... the high pressure switch on the discharge line with the flare tee adapter that is brazed to the high pressure switch Check for pressure at the flare tee dill valves after installation to insure that the dill valve in the unit service port was depressed by the flare tee connector Check for leaks at the flare tee connectors Replace service port cap on the flare tee service port and tighten Step 6 R...

Страница 11: ...ver Step 1 Snap control assembly into control panel as shown in Figure 5 Step 2 Disconnect yellow low voltage Y wire at compressor contactor coil or Y1 at optional CMA 5 and reconnect to terminal 4 of the lockout relay Step 3 Connect yellow wire from terminal 3 of the low pressure bypass TDR to the Y terminal of the compressor contactor coil or Y1 at optional CMA 5 This is the terminal that the wi...

Страница 12: ...or lead from compressor contactor and reconnect to terminal block Step 3 Route low ambient control wires up through the bushing in the bottom of the control panel Connect the low ambient control wires between the terminal block and T2 of the compressor contactor Step 4 Remove service port cap on discharge line Install the low ambient control on the discharge line with the flare tee adapter that is...

Страница 13: ...ing in the bottom of the control panel Connect the low ambient control wires between the terminal block and T2 of the compressor contactor Step 9 Remove service port caps on both the suction and discharge lines Install the high pressure switch and low ambient control on the discharge line with the flare tee adapter that is brazed to the controls Install the low pressure switch on the suction line ...

Страница 14: ...heat as determined from the following calculations A Measure outdoor air dry bulb temperature ________ºF B Measure indoor air wet bulb temperature ________ºF C Measure suction pressure ________PSIG D Measure suction line temperature ________ºF E Determine optimum system superheat from Table 9 using outdoor air dry bulb Step B and indoor air wet bulb Step A ________ºF F Determine saturated suction ...

Страница 15: ... Periodic cleaning of the outdoor coil to permit full and unrestricted air flow circulation is essential Fan Blade Setting Dimensions Shown in Figure 12 are the correct fan blade setting dimensions for proper air delivery across the outdoor coil Any service work requiring removal or adjustment in the fan and or motor area will require that the dimensions below be checked and blade adjusted in or o...

Страница 16: ...rge being in the system the charge should be removed system evacuated and recharged to serial plate instructions Low side pressure 2 PSIG High side pressure 5 PSIG Tables are based upon rated CFM airflow across the evaporator coil If there is any doubt as to correct operation charge being in the system the charge should be removed system evacuated and recharged to serial plate instructions Indoor ...

Страница 17: ...arge being in the system the charge should be removed system evacuated and recharged to serial plate instructions Low side pressure 2 PSIG High side pressure 5 PSIG Tables are based upon rated CFM airflow across the evaporator coil If there is any doubt as to correct operation charge being in the system the charge should be removed system evacuated and recharged to serial plate instructions Indoor...

Страница 18: ...ature Pressure 75 80 85 90 95 100 105 110 115 FCP48 75 DB 62 WB Low Side 70 72 74 77 79 81 84 86 88 High Side 191 205 220 234 249 263 278 293 307 80 DB 67 WB Low Side 75 77 79 82 84 86 89 91 93 High Side 195 210 225 240 255 270 285 300 315 85 DB 72 WB Low Side 81 83 85 88 90 92 95 97 99 High Side 202 218 233 249 264 278 295 310 326 CEVA048 75 DB 62 WB Low Side 63 65 67 70 70 74 76 79 81 High Side ...

Страница 19: ...105 110 115 FCP60 75 DB 62 WB Low Side 68 70 72 75 77 79 82 84 86 High Side 194 211 228 246 263 280 298 315 332 80 DB 67 WB Low Side 73 75 77 80 82 84 87 89 91 High Side 199 217 235 252 270 288 305 323 341 85 DB 72 WB Low Side 79 81 83 86 88 90 93 95 97 High Side 207 225 243 261 279 297 315 333 351 CEVA060 75 DB 62 WB Low Side 60 61 63 64 65 66 67 68 70 High Side 197 210 222 235 248 261 273 286 29...

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