background image

5

Gask et around

outer edge

Insulated

deck

   pan

Gask et around

duct

S/A

R/A

HVAC 

  unit

base

*Gask eting

outer flange

Flashing field

supplied

Roofing material

field supplied

Cant str ip

field supplied

*Provided with roof curb

Roof

Ductwork

field supplied

Insulation (field

supplied)

Roof curb*

Wood nailer*

Gask eting

inner flange*

Scre w

(NO TE A)

Roof Curb for Small Cabinet

    

Note A:  When unit mounting scre  w is used,

retainer bra cke  t must also be used.

HVAC   unit

base

*Gask eting

outer flange

Flashing field

supplied

Roofing material

field supplied

Cant str ip

field supplied

*Provided with roof curb

Roof

Ductwork

field supplied

Insulation (field

supplied)

Roof curb*

Wood nailer*

Gask  eting

inner flange*

Scre w

(NOTE A)

Roof Curb for  

  Large Cabinet

Note A:  When unit mounting scre  w is used,

retainer bra cket

   must also be used.

A

B Typ.

Supply opening

(B x C)

Long

Support

D

F

Return opening

(B X C)

Insulated

deck pan

Short

Support

C Typ.

G

E

F

G

D

E

A05308

UNIT SIZE

ODS CATALOG

NUMBER

A

IN. (MM)

B

IN. (MM)

C

IN. (MM)

D

IN. (MM)

E

IN. (MM)

F

IN. (MM)

G

IN. (MM)

50SD024--030

CPRFCURB006A00

8 (203)

11 (279)

16--1/2 (419)

28--3/4 (730)

30--3/8 (771)

44--5/16 (1126)

45--15/16 (1167)

CPRFCURB007A00

14 (356)

11 (279)

16--1/2 (419)

28--3/4 (730)

30--3/8 (771)

44--5/16 (1126)

45--15/16 (1167)

50SD036--060

CPRFCURB008A00

8 (203)

16--3/16 (411)

17--3/8 (441)

40--1/4 (1022) 41--15/16 (1065)

44--7/16 (1129)

46--1/16 (1169)

CPRFCURB009A00

14 (356) 16--3/16 (411)

17--3/8 (441)

40--1/4 (1022) 41--15/16 (1065)

44--7/16 (1129)

46--1/16 (1169)

NOTES:
1. Roof curb must be set up for unit being installed.
2. Seal strip must be applied, as required, to unit being installed.
3. Dimensions are in inches.
4. Dimension in ( ) are in millimeters.
5. Roof curb is made of 16--gauge steel.
6. Attach ductwork to curb (flanges of duct rest on curb).
7. Insulated panels: 1--in. thick fiberglass 1 lb. density.
8. When unit mounting screw is used (see Note A), a retainer bracket must be used as well. This bracket must also be used when required by code for hurricane or seismic

conditions. This bracket is available through Micrometl.

Fig. 4 -- Roof Curb Dimensions

50SD

Содержание 50SD024

Страница 1: ...Rater Piston 19 TROUBLESHOOTING 19 START UP CHECKLIST 19 C99001 Fig 1 Unit 50SD SAFETY CONSIDERATIONS Installation and servicing of this equipment can be hazardous due to mechanical and electrical com...

Страница 2: ...re that the fan discharge does not recirculate to the outdoor coil Do not locate the unit in either a corner or under an overhead obstruction The minimum clearance under a partial overhang such as a n...

Страница 3: ...UNIT 2 00 50 8 SIDE OPPOSITE DUCTS 14 00 355 6 BOTTOM OF UNIT 0 50 12 7 NEC REQUIRED CLEARANCES INCHES mm BETWEEN UNITS POWER ENTRY SIDE 42 00 1066 8 UNIT AND UNGROUNDED SURFACES POWER ENTRY SIDE 36...

Страница 4: ...m BETWEEN UNITS POWER ENTRY SIDE 42 00 1066 8 UNIT AND UNGROUNDED SURFACES POWER ENTRY SIDE 36 00 914 0 UNIT AND BLOCK OR CONCRETE WALLS AND OTHER GROUNDED SURFACES POWER ENTRY SIDE 42 00 1066 8 Refer...

Страница 5: ...port CTyp G E F G D E A05308 UNIT SIZE ODS CATALOG NUMBER A IN MM B IN MM C IN MM D IN MM E IN MM F IN MM G IN MM 50SD024 030 CPRFCURB006A00 8 203 11 279 16 1 2 419 28 3 4 730 30 3 8 771 44 5 16 1126...

Страница 6: ...follow this warning could result in personal injury or death Never stand beneath rigged units or lift over people WARNING INSTALLATION The lifting rigging bracket is engineered and designed to be ins...

Страница 7: ...Be sure to check the drain tube for leaks Prime trap at the beginning of the cooling season start up 1 25mm MIN 2 50mm MIN TRAP OUTLET C99013 Fig 8 Condensate Trap Step 7 Install Duct Connections Thed...

Страница 8: ...sion of vibration The transition may be screwed or bolted to duct flanges Use suitable gaskets to ensure weather tight and airtight seal 4 All units must have field supplied filters or accessory filte...

Страница 9: ...res connected to the line side of the contactor 4 Connect field L1 to black wire on connection 11 of the compressor contactor 5 Connect field wire L2 toyellow wireon connection13 ofthe compressor cont...

Страница 10: ...erminals 3 Never attempt to repair soldered connection while refrigerant system is under pressure 4 Do not use torch to remove any component System contains oil and refrigerant under pressure 5 To rem...

Страница 11: ...83 3 80 90 208 230 3 60 187 253 11 7 88 0 0 9 4 1 19 6 19 6 25 25 3 8 5 0 10 4 12 0 19 6 20 2 25 25 7 2 10 0 20 8 24 1 31 2 35 2 35 40 11 3 15 0 31 3 36 1 44 2 50 2 15 0 20 0 41 7 48 1 57 2 65 3 60 7...

Страница 12: ...n time delay expires when FAN switch is placed in AUTO position 2 Place SYSTEM switch in COOL position and FAN switch in AUTO position Set cooling control below room temperature Observe that compresso...

Страница 13: ...604 1538 1457 1362 1271 High Watts 798 772 738 700 CFM 1720 1648 1540 1414 048 Low Watts 627 617 607 584 567 548 528 503 CFM 1550 1530 1493 1461 1414 1361 1320 1250 Med Watts 771 755 734 711 690 665 6...

Страница 14: ...14 A05112 Fig 13 Wiring Diagram 208 230 1 60 50SD...

Страница 15: ...15 A06307 Fig 14 Wiring Diagram 208 230 3 60 50SD...

Страница 16: ...16 A06485 Fig 15 Wiring Diagram 460 3 60 50SD...

Страница 17: ...o change the speed of the indoor fan motor IFM remove the fan motor speed leg lead from the time delay relay TDR This wire is attached to terminal 3 of TDR for 3 phase units To change the speed remove...

Страница 18: ...g season Clean when necessary 4 Check electrical connections for tightness and controls for proper operation each cooling season Service when necessary 5 Ensure electric wires are not in contact with...

Страница 19: ...e grille ELECTRICAL CONTROLS AND WIRING Inspect and check the electrical controls and wiring annually Be sure to turn off the electrical power to the unit Remove access panel to locate all the electri...

Страница 20: ...e cause Insufficient line voltage Determine cause and correct Blocked outdoor coil Determine cause and correct Defective run start capacitor overload or start relay Determine cause and replace Faulty...

Страница 21: ...AIR FILTER IS CLEAN AND IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS III START UP ELECTRICAL SUPPLY VOLTAGE ____...

Страница 22: ...t 2006 Carrier Corporation Printed in the U S A Edition Date 09 06 Catalog No 50SD 4SI Replaces 50SD 3SI Manufacturer reserves the right to change at any time specifications and design without notice...

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