Reznor MAPS - A,B,C Users Manual Uživatelský manuál stáhnout pdf (Strana 19)

Form O-MAPSIII&IV Cabinets A/B/C, P/N 257004R8, Page 19

c) If the test for acid is negative, remove the suction line lter drier, replace

the liquid line drier, evacuate, and re-charge the system with the recovered

refrigerant.

If the test indicates acid, replace both the liquid line lter drier and the suction

line lter drier and repeat b) and c).

CAUTION: After cleanup is complete, remove the suction line lter

drier. See Hazard Levels, page 3.

d) Verify subcooling and superheat (refer to Step 11).

e) When the system is operating properly, remove the gauges.

Or, IF the oil measured in Step 2 was not signicantly less than that

shown in the table on page 14 or the acid test in Step 2 did not indicate

a compressor burnout, continue to the review in Step 13.

• Step 13 . Review ALL Steps to ensure that nothing was overlooked.

3.7 Thermostatic

Expansion

Valves

Cabinet

Size

RCB/

RDCB/

RECB

RDB/

RDDB/

REDB

Thermostatic Expansion Valve P/N's by

Compressor Circuit

A B C DH (Reheat)

A 060 084 220553 220552 -- 220552

A or B

078 102 220554 220552 -- 220552

090 114 220554 220553 -- 220552

118 142 220555 220553 -- 220552

136 162 220555 220554 -- 220552

160 184 220555 220554 220552 220552

186

210

220554 220555 220554

220552

222 220553

200

224

220554 220555 220555

220552

236 220553

190

248

234987 220558 N/A

234987

262

234987

216

272

220558 220555

234987

288

234987

298

354

220558 220558

234987

370

234987

410

468

220558 220558 220558

234987

482

234987

Compressor B

Compressor C

Compressor A

Compressor

Dh (Reheat)

All refrigeration circuits have a thermostatic expansion valve. Thermostatic expansion

valves do not have replaceable parts. If a replacement valve is required, it must be

for R410-A refrigerant and must be sized correctly for the application. All refrigerant

service should be performed by a service technician qualied in R410-A refrigerant.

Replacement valve P/N's by Model, size, and circuit are listed in the following tables.

Cabinet

Size

RCC/

RDCC/

RECC

RDC/

RDDC/

REDC

Thermostatic Expansion Valve P/N's

by Compressor Circuit

A B C DH (Reheat)

060

084 N/A 220554 N/A 220552

A or B

090

114 N/A 220555 N/A 220552

120 144 220554 220554 N/A 220552

160

184

220555 220555 N/A

220552

196 220553

200

236

220554 220556 220554

220553

257 234967

190

248

234967 261175 N/A

234987

262 234987

298

354

261175 261175

234987

370 234987

410

468

261175 261175 261175

234987

482 234987

FIGURE 6 - Thermostatic Expansion

Valve

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 39 40

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