Carrier 48ZT manual

Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No . 04-53480060-01 Printed in U .S.A. F orm 48Z-8SI Pg 1 4-09 Replaces: 48Z-7SI Installation Instr uctions CONTENTS Page GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

2 INST ALLA TION Jobsite Survey — Complete the following checks before installation. 1. Consult local building codes and the NEC (National Electrical Code) (ANSI/NFP A [National Fire Protection Association] 70) for special installation requirements. 2. Determine unit location (from project plans) or select unit location. 3. Check for possible ove[...]

3 Table 1A — Physical Data (48ZG,ZN030-0 50) LEGEN D *460-3-60 only . BASE UNIT 48ZG,ZN030 48ZG,ZN035 NOMINAL CAP ACITY (tons) 30 35 OPERA TING WEIGHT (lb) Standard Chassis Extended Chassis Standard Chassis Extended Chassis Base Unit Low Heat 5640 6140 5766 6266 High Heat 5770 6270 5895 6395 With Economizer Low Heat 5941 6441 6066 6566 High Heat [...]

4 Table 1A — Physical Data (48ZG,ZN030-050 ) (cont) LEGEN D *460-3-60 only . BASE UNIT 48ZG,ZN040 48ZG,ZN050 NOMINAL CAP ACITY (tons) 40 50 OPERA TING WEIGHT (lb) Standard Chassis Extended Chas sis Standard Chassis Extended Chassis Base Unit Low Heat 6540 7040 6581 7081 High Heat 6670 7170 6710 7210 With Economizer Low Heat 6841 7341 6881 7381 Hi[...]

5 Table 1B — Physical Data (48ZG,ZN055-0 70) LE GEND BASE UNIT 48ZG,ZN055 48ZG,ZN060 48ZG,ZN070 NOMINAL CAP ACITY (tons) 55 60 70 OPERA TING WEIGHT (lb) Standard Chassis Extended Chassi s Standard Chassis Extended Chassis Standard Cha ssis Base Unit Low Heat 8700 92 48 9000 9,548 9,420 High Heat 8820 9368 9120 9,668 9,550 With Economizer Low Heat[...]

6 Table 1C — Physical Data (48ZG,ZN075-1 05) B ASE UNIT 48ZG,ZN075 48ZG,ZN090 48ZG,ZN105 NOMINAL CAP ACITY (tons) 75 90 105 OPERA T ING WEIGHT (lb) Base Unit without Economizer Low Heat/High Heat 10,270/ 10,445 10,4 80/10,655 11,210/11,385 With Economizer Low Heat/High Heat 10,800/ 10,975 11,0 10/11,185 11,740/11,915 COMPRESSOR Semi-Hermetic Numb[...]

7 Table 1C — Physical Data (48ZG,ZN075- 105) (cont) LEGEND B ASE UNIT 48ZG,ZN075 48ZG,ZN090 48ZG,ZN105 OPTIONAL PO WER EXHA UST Centr ifugal, 18 x 15 in. (Any motor a vai lable on an y unit.) Quantity ...Motor Hp 2...5 2...7.5 2. ..10 Motor Frame Size 184T 213T 215T Efficiency at Full Load (%) High Efficiency 87.5 88.5 89.5 Premium Efficienc y 89[...]

8 Table 1D — Phys ical Data (48Z6,Z80 75-105) B ASE UNIT 48Z6,Z8075 48Z6,Z8090 48Z6,Z8105 NOMINAL CAP ACITY (tons) 75 90 105 OPERA T ING WEIGHT (lb) Base Unit without Economizer Low Heat/High Heat 11, 740/11,915 11,950/12,125 12 ,680/12,855 With Economizer Low Heat/High Heat 12, 270/12,445 12,480/12,655 13 ,210/13,385 COMPRESSOR Semi-Hermetic Num[...]

9 Table 1D — Physical Data (48Z6,Z8075- 105) (cont) LEGEND B ASE UNIT 4 8Z6,Z8075 48Z6,Z8090 48Z6,Z8105 RETURN/EXHA UST F AN Plenum F an, 47.13 in. (An y motor av ailab le on any unit .) Quantity ...Motor Hp 1...20 1...25 1...30 1...40 Motor Frame Size 256T 284T 286T 324T Efficiency at Full Load (%) High/Premium 91/93.6 91.7/93.6 92.4/93.6 93/93.[...]

10 Table 1E — Physical Data (48ZT, ZW075-105) BA SE UNIT 48ZT ,ZW075 48ZT ,ZW090 48ZT ,ZW105 NOMINAL CAP ACITY (tons) 75 80 100 OPERA T ING WEIGHT (lb) Base Unit without Economizer Low Heat/High Heat 13,205/13, 380 13,415/13,590 14,145/14 ,320 COMPRESSOR Semi-Hermetic Number 224 Circuit (No. Cyl) A (6) B (6) A (6) B (6) A1 (6), A2 ( 4) B1 (6), B2[...]

11 Table 1E — Physical Data (48ZT,ZW075-105) (cont ) LEGEND Table 2 — Operating Weights of Options and Accessories (lb) *Includes hood. B ASE UNIT 48ZT ,ZW075 48ZT , ZW090 48ZT ,ZW105 PO WER EXHA UST Centrifugal, 22 x 20 in., 1 11 / 16 in. shaft diam eter (Any motor available on any unit) To t a l H p 20 30 40 50 60 Quantity ...Motor Hp 2...10 [...]

12 Table 3 — Supply Fan Drive Data *Sizes 040,050 only . NO TE: Part numbers are Browning Manuf acturing Cor p . ref erence. Table 4 — Power Exhaust Fan Driv e Data *High-Efficiency Motor Option. †Premium-Efficiency Motor Option. **Applies to both motor options. NO TE: P ar t numbers are Browning Manuf acturing Cor p . ref erence. Table 5 —[...]

13 * Fig. 1 — Roof Curb; Sizes 030-050 UNIT TYPE DIMENSION UNIT SIZE 030,035 UNIT SIZE 040,050 VERTICAL SUPPL Y AND RETURN WITH GAS HEA T A B 21 ′ -8 1 / 16 ″ 13 ′ -3 11 / 16 ″ 25 ′ -8 11 / 16 ″ 16 ′ -0 5 / 8 ″ VERTICAL SUPPL Y AND RETURN WITH GAS HEA T AND EXTENDED CHASSIS A B 23 ′ -9 1 / 4 ″ 15 ′ -4 7 / 16 ″ 27 ′ -9 5 [...]

14 * Fig. 2 — Roof Curb; Sizes 055-070 and Si zes 075-105 withou t High-Capacity Powe r Exhaust UNIT TYPE DIMENSION UNIT SIZE 055-105 VERTICAL SUPPL Y AND RETURN WITH GAS HEA T A B 27 ′ -9 11 / 16 ″ 22 ′ -10 3 / 16 ″ VERTICAL SUPPL Y AND RETURN WITH GAS HEA T AND EXTENDED CHASSIS A B 29 ′ -10 7 / 8 ″ 24 ′ -11 3 / 8 ″[...]

15 Fig. 3 — Roof Curb; Sizes 075 -105 with High-Capacity Power Exhaust[...]

16 * Fig. 4 — Condenser Section Roof Curb (Size 055 and 060 Only)[...]

17 * Fig. 5 — Condenser Secti on Roof Curb (Size 070 -105 Only)[...]

18 9 3/4" "X"- NO GASKET 4 REF . DET AIL A-A A A "X" 4 1 3 2 CONDENSER END SUPPORT 5 5 Fig. 6 — Gasket Loc ation on Roof Curb ( 48ZG,ZN055-105 and 48Z6,Z8075 -105 Units) Fig. 7 — Gasket Location — Conde nser Section Roof Curb (Size 055-1 05 Units)[...]

19 Fig. 9 — Rigging Label — Size 030 -050 Units (Stan dard Chassis) Fig. 8 — Gasket Loc ation on Roof Curb (4 8ZT,ZW075-10 5 Units) CA UTION NO TICE T O RIGGERS 1. ALL P ANELS MUST BE IN PLACE WHEN RIGGING. 2. DO NO T A TTEMPT TO FORK THESE UNITS. UNIT WEIGHT A B ECONOMIZER lb kg in. mm in. mm lb kg 48Z030 5770 2623 83.23 2114 176 .14 4474 30[...]

20 Fig. 11 — Rigging Label — Size 03 0-050 Units (Ex tended Chassis) CA UTION NO TICE T O RIGGERS 1. ALL P ANELS MUST BE IN PLACE WHEN RIGGING. 2. DO NO T A TTEMPT T O FORK THESE UNITS. UNIT WEIGHT A B ECONOMIZER lb kg in. mm in. mm lb kg 48Z030 6270 2844 95.83 2434 192.56 4891 300 136 48Z035 6395 2900 95.83 2434 194.72 4946 300 136 48Z040 7170[...]

21 Fig. 13 — Rigging Label — 48 ZT,ZW075-105 Units (High-Ca pacity Power Exhaust Units) CA UTION NO TICE T O RIGGERS 1. ALL P ANELS MUST BE IN PLACE WHEN RIGGING. 2. DO NO T A TTEMPT TO FORK THESE UNITS. UNIT WEIGHT A lb kg in. mm 48Z075 13,380 6069 298.9 7591 48Z090 13,590 6164 300.7 7637 48Z105 14,320 6495 309.9 7873 Fig. 12 — Rigging Label[...]

22 3 2 A B 4 1 Fig. 14 — Weight Distr ibution and Center of Gravity UNITS 48ZG,ZN SIZE CORNER WEIGHTS (lb) TOT AL (lb) AB 1 2 3 4 ft-in. ft-in. VERTICAL SUPPL Y AND RETURN/ LO W GAS HEA T 030 1968 1004 1005 1964 5,941 14- 9 1 / 8 3-9 13 / 16 035 1851 1184 1142 1889 6,066 14-11 3-9 13 / 16 040 2246 1177 1179 2239 6,841 17- 2 7 / 8 3-9 13 / 16 050 [...]

23 Condensate Drain Connections — There are a to- tal of five drain connections required on each unit: one primary drain (on right-hand side of the unit) and four secondary drains (two on each side of unit). PR IM ARY DR AIN — The primary drain is a 2-in. NP T pipe connection located on the right-hand side of the unit looking at the unit from t[...]

24 Fig. 15 — Base Unit Dimensional Draw ing — 48ZG, ZN030,035 (Sta ndard Chassis ) →[...]

25 Fig. 16 — Base Unit Dimensional Draw ing — 48ZG, ZN040,050 (Sta ndard Chassis )[...]

26 Fig. 17 — Base Unit Dimens ional Draw ing — 4 8ZG,ZN055-070 (St andard Chassis)[...]

27 Fig. 18 — Base Unit Dimens ional Drawi ng — 48ZG,ZN075-10 5 (Standard Chassis) a48-8451[...]

28 Fig. 19 — Base Unit Dimen sional Drawing — 48ZG,ZN0 30,035 (Exte nded Chassis )[...]

29 Fig. 20 — Base Unit Dimen sional Drawing — 48ZG,ZN0 40,050 (Exte nded Chassis )[...]

30 Fig. 21 — Base Unit Dimen sional Drawing — 48ZG,ZN0 55,060 (Exte nded Chassis ) a48-8452[...]

31 [10 4.65] [22.35] 0'-0 7/8" D LOW VOLTAGE [1933] 6'-4 1/8" [352] 1'-1 3/4" CONTROL POWER Fig. 22 — Base Unit Dimensional Drawing — 48ZT,ZW 075 -105 (Units with High-Ca pacity Power Exhaust) a48-8453[...]

32 Fig. 23 — Base Unit Dimensiona l Drawing — 48Z6,Z80 75-105 (Units with Ret urn/Exhaust Fan ) a48-8454[...]

33 Install Outdoor Hoods (48ZG,ZN,Z6,Z8 Units) UNIT SIZES 030-050 25% Outdoor-Air Hoods (Units without Econom izer Option) (Fig. 29) 1. Outdoor-air hoods are shipped bolted to the unit in a ship- ping position. Remove the 6 screws holding each 25% outdoor air hood shipping cover in place. 2. Remove the holddown screw from each upper corner of each [...]

34 RTV (ALL HOODS) 4” OUTDOOR-AIR HOOD Fig. 30 — Outdoor-Air and Econ omizer Hood OUTDOOR AIR HOOD OUTDOOR AIR HOOD Fig. 29 — Outdoor Air Hood Installation (Sizes 030- 050) SIDE HOOD (ROT A TE OPEN) SIDE HOOD (ROT A TE OPEN) END HOOD (FIXED) Fig. 31 — Economizer Outdoor-Air Hood Installation (Siz es 030-050) POWER EXHAUST (FIXED) SIDE HOOD [...]

35 Install Economizer Hoods (48ZT ,ZW Units) — The economizer uses a total of 4 outdoor intake hoods, 2 on each side of the unit. See Fi g. 37. T wo small hoods (one per side) are factory-installed and are pivoted inside the unit chas- sis for shipment. T wo large hoods are shipped in packages located inside the unit. The large hoods (1 o n each [...]

36 Field Wire Routing UN IT S IZ ES 03 0- 05 0 — Field wiring can be brought into the unit through the basepan and roof curb or through the corner post in the side of the unit next to the control box. A 3 1 / 2 -in. NP T coupling for field power and a 3 / 4 -in. NP T coupling for 24 v control wiring are provided in the basepan. There are two 4 5 [...]

37 Units with Factory-Installed D isconnect — The factory- installed disconnect is an interlocking, door -type. The discon- nect handle locks the door when it is in the ON position. The disconnect handle must be in the OFF position to open the con- trol box door . The disconnect is located in a separate control box behind the control box door for[...]

38 Fig. 40 — Disconnect Location — 48ZG,ZN0 55-105 and 48Z6,Z807 5-105 Units CA UTION Use care when drilling in to cor ner post to av oid damage to con- denser coil. Fig. 41 — Disconnect Location — 48ZT,ZW0 75-105 Units CA UTION Use care when drilling into cor ner post to av oid damage to con- denser coil.[...]

39 23 13 12 1 1 22 21 DISCONNECT PER NEC EQUIP GND FIELD WIRE F ACT ORY WIRE Fig. 44 — Field Po wer Wiring Conne ctions for Factory-In stalled Disconne ct 21 11 22 12 23 13 DISCONNECT PER NEC EQUIP GND TB1 Fig. 43 — Factory -Installed Disconnec t Location LEGEND Fig. 42 — Field Po wer Wiring Connect ions EQUIP — Equipment GND — Ground NEC[...]

40 Table 7 — Elect rical Data, 48ZG,ZN0 30 Units LEGEND NOTE: Units use 1 (lo w heat) or 2 (high heat) combusti on fan motors r ated at 0.3 FLA each. NOMINAL V O LTA G E (3 Ph 60 Hz) V O LTA G E RANGE COMPRESSOR OFM IFM EXHAUST FA N PO WER SUPPL Y No. 1 No. 2 RLA LRA RLA LRA Qty To t a l FLA Hp FLA To t a l Hp To t a l FLA MCA MOCP 208/230 187-25[...]

41 Table 8 — Elect rical Data, 48ZG,ZN0 35 Units LEGEND NOTE: Units use 1 (lo w heat) or 2 (high heat) combustion fan motors rated at 0.3 FLA each. NOMINAL V O LTA G E (3 Ph 60 Hz) V O LTA G E RANGE COMPRESSOR OFM IFM EXHAUST FA N PO WER SUPPL Y No. 1 No. 2 RLA LRA RLA LRA Qty To t a l FLA Hp FLA To t a l Hp To t a l FLA MCA MOCP 208/230 187-254 [...]

42 Table 9 — Elect rical Data, 48ZG,ZN0 40 Units LEGEND NOTE: Units use 1 (lo w heat) or 2 (high heat) combusti on fan motors r ated at 0.3 FLA each. NOMINAL V O LTA G E (3 Ph 60 Hz) V O LTA G E RANGE COMPRESSOR OFM IFM EXHAUST FA N PO WER SUPPL Y No. 1 No. 2 RLA LRA RLA LRA Qty To t a l FLA Hp FLA To t a l Hp To t a l FLA MCA MOCP 208/230 187-25[...]

43 Table 10 — Electrical Data, 48ZG,ZN050 Units LEGEND NOTE: Units use 1 (lo w heat) or 2 (high heat) combustion fan motors rated at 0.3 FLA each. NOMINAL V O LTA G E (3 Ph 60 Hz) V O LTA G E RANGE COMPRESSOR OFM IFM EXHAUST FA N PO WER SUPPL Y No. 1 No. 2 RLA LRA RLA LRA Qty To t a l FLA Hp FLA To t a l Hp To t a l FLA MCA MOCP 208/230 187-254 8[...]

44 Table 11 — Electrical Data, 48ZG,ZN055 Units LEGEND NO TE: Units use 2 (low heat) or 3 (h igh heat) combustion f an motors rated at 0.3 FLA each. NOMINAL V O LTAG E (3 Ph 60 Hz) V O LTAG E RANGE COMPR NO . 1 COMPR NO . 2 OFM IF M B ASE UNIT ONL Y EXHA UST FA N BASE UNIT WITH EXHA UST F AN RLA LRA RLA LRA To t a l FLA Hp FLA MCA MOCP To t a l H[...]

45 Table 12 — Electrical Data, 48ZG,ZN060 Units LEGEND NO TE: Units use 2 (low heat) or 3 (h igh heat) combustion f an motors rated at 0.3 FLA each. NOMINAL V O LTAG E (3 Ph 60 Hz) V O LTAG E RANGE COMPR NO . 1 COMPR NO . 2 OFM IF M B ASE UNIT ONL Y EXHA UST FA N BASE UNIT WITH EXHA UST F AN RLA LRA RLA LRA To t a l FLA Hp FLA MCA MOCP To t a l H[...]

46 Table 13 — Electrical Data, 48ZG,ZN070 Units LEGEND NO TE: Units use 2 (low heat) or 3 (h igh heat) combustion f an motors rated at 0.3 FLA each. NOMINAL VO LT AG E (3 Ph 60 Hz) VO L T AG E RANGE COMPR NO . 1 COMPR NO . 2 OF M IFM B ASE UNIT ONL Y EXHAUST FA N BASE UNIT WITH EXHA UST F AN RLA LRA RLA LR A To t a l FLA Hp FLA MCA MOCP To t a l [...]

47 Table 14 — Electrical Dat a — 48ZG,ZN075-105 Unit s LEGEND NO TE: Units use 2 (low heat) or 3 (high heat) combusti on fan mot ors rated at 460 v , single-phase , 60 He r tz an d 0.3 FLA ea ch. UNIT SIZE NOMINAL VO LT AG E (3 Ph 60 Hz) VO LT AG E RANGE COMPRESSOR OFM IFM BAS E UNIT ONL Y OPTIONAL PO WER EXHAUST FA N BASE UNIT WITH EXHA UST FA[...]

48 Table 15 — Electr ical Data — 48Z6, Z8075-105 Unit s LEGEND NO TE: Units use 2 (low heat) or 3 (high heat) combusti on fan mot ors rated at 460 v , single-phase , 60 He r tz an d 0.3 FLA ea ch. UNIT SIZE V O LTA G E (3 Ph, 60 Hz) VO LT AG E RANGE COMPRESSOR CONDENSER F AN MOT OR EV APORA TOR FA N M O T O R RETURN/ EXHA UST FA N PO WER SUPPL [...]

49 Table 16 — Electrical Dat a — 48ZT,ZW07 5-105 Units UNIT SIZE V O LTA G E 3 PH, 60 Hz V O LTA G E RANGE COMPRESSOR OFM IFM EXHA UST FA N BASE UNIT WITH EXHA UST F AN N o . 1N o . 2N o . 3N o . 4 RLA LRA RLA LRA RLA LRA RLA LRA To t a l FLA Hp FLA LRA To t a l Hp To t a l FLA MCA MOCP 075 4 6 0 4 1 4 - 5 0 8 5 0 . 6 2 5 3 6 5 . 4 3 4 5 ——[...]

50 Table 16 — Electrical Dat a — 48ZT,ZW075-105 Units (cont) LEGEND NO TE: Units use 2 ( low heat ) or 3 (high hea t) comb ustion f an motors rated at 460 v , single-phase, 60 Hertz and 0.3 FLA each. UNIT SIZE V O LTA G E 3 PH, 60 Hz V O LTA G E RANGE COMPRESSOR OFM IFM EXHA UST FA N BASE UNIT WITH EXHA UST F AN N o . 1N o . 2N o . 3N o . 4 RLA[...]

51 Air Pressure T ubing — Before options such as inlet guide vanes (IGV), variable frequency drive (VFD), and/or modulating power exhaust can ope rate properly , the pneumatic tubing for pressure sensing must be installed. Use fire-retardant plenum tubing (field-supplied) . All control devices use 1 / 4 -in. tubing. T ubing must be run from the a[...]

52 A UXILIAR Y CONTROL BO X BP DP OA CFM TRANSDUCER FS DP OA CFM TRANSDUCER BP FS Fig. 46 — Auxiliar y Control Box Lo cation (Sizes 05 5-105) LEGEND Fig. 47 — Auxiliary Control Box Details (Sizes 030- 050) BP — Building Pressure T ransducer DP — Duct Pressu re T ransducer FS — Filter Switch OAC F M — Outdoor Air Cfm Sensor T ransducer L[...]

53 Supply-F an Shipping Brac kets — Supp ly-fan ship- ping brackets (4 per unit) must be removed from each corner of the fan sled before starting unit. UNIT SIZES 030-050 1. T o remove brackets, raise fa n sled by turning adjusting bolt counterclockwise until spring is compressed slightly . 2. Remove screws holding shipping bracket to unit cross [...]

54 Remove T XV Shipping Bloc ks — Shipping blocks for the TXV bracket are used on size 030-075 units with high capacity coils and all 075-105 size units. Remove the foam shipping block before starting unit. See Fig. 54. Fig. 52 — Shipping Bra ckets (Sizes 075- 105) Fig. 53 — Return/Exhaust Fan Shipping Brackets NO TE: All dimensions are in in[...]

55 Compressor Mounting SI ZE S 030 -0 90 — Each compressor is supported on 4 springs. The springs are compressed for shipment. After the unit is installed, the holddown nuts need to be loosened for nor- mal operation. See Fig. 55 for compressor mounting details. Loosen each bolt using nut indicated until the flatwasher ( 3 / 8 -in.) can be moved [...]

56 Installing Flue /Inlet Hoods — The flue and inlet hoods are shipped in a package taped to the basepan in the fan section. The flue (outlet) hoods are pre-assembled. The flue de- flector and inlet hoods require assembly . The hoods are located on the heating section access panel as shown in Fig. 59 (sizes 030-050) or Fig. 60 (sizes 055-105). Se[...]

57 FLUE HOOD AND FLUE DEFLECTOR HOOD (48 SERIES HIGH-HEA T ONL Y) INLET HOOD FLUE HOOD AND DEFLECTOR HOOD INLET HOOD INLET HOOD ( ONL Y) HOOD DEFLECTOR HOOD FLUE AND FLUE HOOD LARGE INLET INLET LARGE HOOD LOCA TION HIGH-HEA T SMALL INLET HOOD FLUE HOOD AND FLUE DEFLECTOR FLUE AND DEFLECTOR LOCA TION ONL Y) FLUE HOOD HIGH-HEA T ( PUSH BAFFLE DOWN SO[...]

58 Table 18 — Flue and Inle t Hood Usage HOOD TYPE P ARTS LIST F IG. NO . QU ANTITY USED Sizes 030-05 0 (Low Heat) Sizes 030- 050 (High Heat) Sizes 055- 070 (Low Heat ) Sizes 055 -070 (High Heat) Sizes 075-10 5 (Low Heat) Sizes 075- 105 (High Heat) Large Inlet (14-in.) T op (14-in.) Side (Left) Side (Right) Screen Cove r Speed Clip s Screws 65,66[...]

59 Table 19 — SGC Thermistor Designations SGC — Staged Gas Controller Install Unit Accessories — For applications requiring accessories, the following packages are ava ilable: All units: • barometric relief • space temperature sensor •C O 2 sensor • space temperature sensor with CO 2 • airflow switch • filter switch • smoke dete[...]

60 SP ACE TEMPERA TURE SENSOR (T -56) — The space tem- perature sensor (P/N 33ZCT 56SP T) wires are connected to terminals in the unit main control box. T o connect the space temperature sensor, see Fig. 68. COMMUNICA TING SP ACE TEMPERA TURE SENSOR (T -58) — The communicating space temperature sensor (P/N 33ZCT58SP T) is wired to the Carrier C[...]

61 d. Secu re shield wire to CCN screw terminal SHIELD on the COMM board. RJ 14 PL UG WI RI NG — Units on the CCN can be monitored from the space at the sensor through the RJ14 connector , if desired. T o wire the RJ14 connector into the CCN (Fig. 80): 1. Cut the CCN wire and strip ends of the red (+), white (ground), and black (–) conductors. [...]

62 8 9 RED BLK 8 9 SENSOR 1 SENSOR 2 SENSOR 3 SENSOR 4 SENSOR 1 SENSOR 2 SENSOR 3 SENSOR 4 SENSOR 5 SENSOR 6 SENSOR 7 SENSOR 8 SENSOR 9 SP ACE TEMPERA TURE A VERAGING (4 SENSOR APPLICA TION) SP ACE TEMPERA TURE A VERAGING (9 SENSOR APPLICA TION) TB202 TB202 Fig. 69 — Space Temperat ure Averaging Wiring NO TE: Use T55 sensor only .[...]

63 FIELD INST ALLED (FIELD SUPPLIED) JUMPER WHEN ENTHALPY SWITCH NO T USED RCB J4 MBB J8 FIL TER ST A TUS MBB J8 Fig. 70 — Heat Interlock Relay Wiring Fig. 71 — Outdoor Air Enthalpy Switc h Wiring Fig. 72 — CO 2 Space Sens or Wiring Fig. 73 — Filter Sta tus Wiring[...]

64 RCB J4 CEM J6 Fig. 74 — Fan Status Switch Wiring Fig. 75 — Space and Return Air Humidity Sensor Wiring Fig. 76 — Return Air CO 2 Sensor Wirin g[...]

65 MBB J6 RCB J4 Fig. 77 — Return Air Smoke Detector Wiring Fig. 78 — Fire Shutdown Wiring Fig. 79 — Purg e, Evacuati on, and Pressurization Wiring[...]

66 Fig. 80 — CCN Connections COMM BOARD MBB J5[...]

[...]

Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No . 04-53480060-0 1 Pr inted in U .S .A. Form 48Z-8SI Pg 68 4-09 Replaces: 48Z-7SI Copy right 2009 Carrier Cor poration[...]