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Copyright 2001 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231

38ydb3si

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1

4

Tab

5a 5a

PC 101

Catalog No. 533-80046

Printed in U.S.A.

Form 38YDB-3SI

Pg 16

11-01

Replaces: 38YDB-2SI

Summary of Contents for WeatherMaker 38YDB

Page 1: ...ing label Electrical shock can cause personal injury or death Puron R 410A systems operate at higher pressures than standard R 22 systems Be certain that service equipment is rated for R 410A Some R 2...

Page 2: ...e of unit and 12 in on all remaining sides must be maintained Maintain a distance of 24 in between units Position so water snow or ice from roof or eaves cannot fall directly on unit On rooftop applic...

Page 3: ...lizer tube 9 Connect equalizer tube of TXV to 1 4 in equalizer fitting on vapor line adapter 10 Attach TXV bulb to horizontal section of suction line using bulb strap provided See Fig 6C Insulate bulb...

Page 4: ...o indoor section using accessory tubing package or field supplied refrigerant grade tubing of correct size and condition Tubing diameters listed in Table 1 are adequate for equivalent lengths up to 50...

Page 5: ...d tight Step 8 Make Electrical Connections To avoid personal injury or death do not supply power to unit with compressor terminal box cover removed Be sure field wiring complies with local and nationa...

Page 6: ...HV 58UXV or 58MVP gas furnace no LCC is required The LCC for standard PSC blower products consists of a standard humidistat which opens contacts on humidity rise and a pilot duty relay with 24v coil N...

Page 7: ...are not equipped with Schrader valves To prevent personal injury make sure gage manifold is connected to the valve gage ports before moving valves off fully back seated position Wear safety glasses an...

Page 8: ...ions See Table 4 for codes and definitions Table 4 also provides the order of signal importance NOTE Only one code will be displayed on the outdoor unit control board the most recent with the highest...

Page 9: ...TROL MODEL RH See notes 1 2 3 6 9 and 10 A01421 O W2 W W1 Y1 W2 G R THERMIDISTAT CONTROL MODEL RH SINGLE STAGE FURNACE TWO SPEED HEAT PUMP W G Y C Y2 W1 R Y1 O C DHUM HUM B S1 S2 R C HEAT STAGE 3 COOL...

Page 10: ...B S1 S2 R W2 O Y1 R COM HUM PL9 10 DEHUM HEAT STAGE 3 FURNACE COOL HEAT STAGE 1 COMPRESSOR LO COOL HEAT STAGE 2 COMPRESSOR HI RVS COOLING FAN 24 VAC HOT 24 VAC COMM RVS SENSING N A OUTDOOR SENSOR CON...

Page 11: ...and wiring information 4 Non Programmable Model 2S01 B when used in heat pump installations jumper R19 NOT cut uses O W2 to control reversing valve 5 Furnace must control its own second stage operatio...

Page 12: ...oses anytime after the 15 minute delay then resume operation on call for Y1 and or Y2 HEATING VAPOR PRESSURE SWITCH PressureGuard This outdoor unit is equipped with a heating vapor pressure limiting d...

Page 13: ...ve User s Manual with owner Explain system operation and periodic maintenance requirements outlined in manual 4 Fill out Dealer Installation Checklist and place in customer file CARE AND MAINTENANCE F...

Page 14: ...PNK YEL PNK YEL PNK BRN BRN BLK BLK BLK ORN RVS ORN RED BLU CH 11 21 23 23 YEL BLK BLK BLK CL 11 21 H C START COMP RELAY BRN CAP L2 L1 EQUIPGND DUALCAPACITY A B C D BLU BRN BRN BLK YEL BRN VPS BLK C O...

Page 15: ...RSUPPLY TIME MIN DEFROST VH L 2 ODF CCH VC RED YEL BLK BLU BRN PL5 PL4 PL3 YEL BLU BRN YEL OCT OAT LPS HPS Fig 19 Wiring Diagram 060 A01420 CONNECTION DIAGRAM OCT t LPS HPS OAT t LO HI TO INDOOR UNIT...

Page 16: ...1 38ydb3si Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 Tab 5a 5a PC 101 Catalog No 533 8004...

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