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Carrier 42C manuel d'utilisation

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Tout d'abord, le manuel d’utilisation Carrier 42C devrait contenir:
- informations sur les caractéristiques techniques du dispositif Carrier 42C
- nom du fabricant et année de fabrication Carrier 42C
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- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

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Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Carrier 42C ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Carrier 42C et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Carrier en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Carrier 42C, comme c’est le cas pour la version papier.

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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Carrier 42C, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

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Table des matières du manuel d’utilisation

  • Page 1

    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 . 04-53 420004-01 Printed in U .S .A. Fo rm 42-3SI Pg 1 12-09 Replaces: 42-2SI Installation, Star t-Up and Ser vice Instr uctions CONTENTS Page SAFETY CONSIDERA TIONS . . . . . . . . . . . [...]

  • Page 2

    2 Table 1 — Physical Data — 42C Series Units *Calculate opera ting weight of unit: shipp ing weight + coil wat er weight x number of coil ro ws. †42CF applies t o sizes 04 to 10. ** Filter size f or return-air grille location. ††Filter size if located in return-air plenum. ***With electric heater and bottom return, the 42CF unit fi lter w[...]

  • Page 3

    3 Table 3 — Physical Da ta — 42D Series Units *Calculate Operating W eight of unit: Shipping W eight + Coil W ater W eight x Number of Coil Rows . Table 4 — Physica l Data — 42 S Series Units *Calculate Operat ing Weigh t of Unit: Shipping W ei ght + Coil W ater W eight x Number of Coil Rows. †42SJ units require two filte rs. PRE-INST ALL[...]

  • Page 4

    4 LEGEND 1— Junction Bo x (remote mount) 2— Fle xible Metal Conduit 3— Drain Conn, 7 / 8 -in. OD 4 — T ell-T ale Drain Conn, 5 / 8 -in. OD (optional) 5— Drip Lip (optional) 6— Hanger Slots (4), Rubber Grommet has 3 / 8 -in. Diameter Hole 7— Supply Duct Collar , 1-in. 8— Air V ent, 1 / 8 -in. MPT 9— Return Conn, 5 / 8 -in. OD 10 ?[...]

  • Page 5

    5 LEGEND 1— Junction Bo x (remote mount) 2— Fle xible Metal Conduit 3 — Str ip Heater High Limit 4 — Electr ic Strip Heat er Element 5 — T ell-T ale Drain Conn, 5 / 8 -in. OD (optional) 6— Drain Conn, 7 / 8 -in. OD 7— Drip Lip (optional) 8— Supply Duct Collar , 1-in. 9— Air V ent, 1 / 8 -in. MPT 10 — Retu rn Conn, 5 / 8 -in. OD [...]

  • Page 6

    6 NO TES: 1. Right hand unit with standard 3-ro w coil shown; left hand unit opposite. Coil connection locations are ± 5 / 8 -in. 2. Unit sizes 02 and 03 hav e one motor , one b lower; sizes 04 through 08 have one motor , 2 bl owers; siz es 10 and 12 hav e 2 motors, 4 b low ers. 3. Standard 3-row coil sho wn. 4. Unit av ailab le with bottom or rea[...]

  • Page 7

    7 NO TES: 1. Right h and unit with standard 3-row coil shown; left hand unit opposite. Coil connection locations are ± 5 / 8 -in. 2. Unit sizes 02 and 0 3 hav e one motor , one b lower; sizes 04 through 08 have one motor , 2 blo wers; siz es 10 and 12 hav e 2 motors, 4 b lowers . 3. Standard 3-row coil shown. 4. Unit availab le with bottom or rear[...]

  • Page 8

    8 LEGEND 1— Junction Bo x, Installed with Plenum 2— Flexible Metal Conduit 3— Insulated Plenum 4— Mounting Brack et 5— Drain Conn, 7 / 8 -in. OD 6— T ell-T ale Drain Conn, 5 / 8 -in. OD (optional) 7— Drip Lip (optional, shipped lo ose) 8— Filter 9— Return Duct Collar, 1-in. 10 — Access Panel 11 — Supply Du ct Collar , 1-in. 12[...]

  • Page 9

    9 LEGEND 1— Junction Bo x, Installed with Plenum 2— Plenum 3— Flexib le Metal Conduit 4— Mounting Brack et 5— Electric Str ip Heater Element 6— Drain Conn, 7 / 8 -in. OD 7— Drip Lip (optional, shipped loose) 8— T ell-T ale D rain Conn, 5 / 8 -in. OD (optional) 9— Filter 10 — Retu rn Duct C ollar , 1-in. 11 — Air V ent, 1 / 8 -[...]

  • Page 10

    10 LEGEND 1— Junction Bo x, 4 in. x 4 in. 2— Optional Retur n Air Location 3— Optional Drip L ip , shipped loose 4— Mounting Holes (4), Rubber Grommets hav e 3 / 8 -in. Diameter Hole 5— Electrical KO , 7 / 8 -in. Diameter 6— Return KO , 1-in. Diameter 7— Supply K O , 1 1 / 2 -in. Diameter 8— Drain K O, 1 1 / 2 -in. Diameter 9— Sup[...]

  • Page 11

    11 LEGEND 1— Junction Bo x, 4 in. x 4 in. 2— Optional Stamped Rear Retur n Gr ille 3— Optional Drip L ip , shipped loose 4— Electric Strip Heater Element 5— Mounting Holes (4), Rubber Grommets hav e 3 / 8 -in. Diameter Hole 6— Electrical KO , 7 / 8 -in. Diameter 7— Return KO , 1-in. Diameter 8— Supply K O , 1 1 / 2 -in. Diameter 9?[...]

  • Page 12

    12 UNIT SIZE NOM AIRFLO W (Cfm) DIMENSIONS (in.) QTY/UNIT BO TT OM RETURN FIL TER SIZE, (in.) ABCDE F B l o w e r M o t o r 02 200 3 5 16 12 3 / 4 37 32 6 1 1 10 x 28 03 300 3 5 20 8 3 / 4 37 32 6 1 1 10 x 28 04 400 4 1 26 8 3 / 4 43 38 6 2 1 10 x 33 06 600 5 3 31 15 3 / 4 55 50 7 2 1 10 x 45 08 800 53 38 8 3 / 4 55 50 7 2 1 10 x 45 10 1000 75 52 1[...]

  • Page 13

    13 NO TES: 1. Right hand unit shown; left hand unit opposite. 2. Internal factory valv e package and dr ains ma y not align with cabinet knockouts. 3. Dimensions shown in inches (mm). All dimensions are ± 1 / 4 in. 4. Bottom panel is Arctic White polyester po wder coat paint. UNIT SIZE NOM AIRFLO W (Cfm) DIMENSI ONS (i n.) QTY/U NIT BOTT OM RETU R[...]

  • Page 14

    14 NO TES: 1. Right hand unit shown; left hand unit opposite. 2. Internal factor y valv e pac kage and drains may not align with cabinet knockouts . 3. Dimensions shown in inches (mm). All dim ensions are ± 1 / 4 in. 4. Bottom panel is Arctic White polyester powder coat paint. UNIT SIZE NOM AIRFLO W (Cfm) DIMENSIONS (in.) QTY/UNIT REAR RETURN FIL [...]

  • Page 15

    15 NO TES: 1. Right hand unit shown; left hand unit opposite. 2. Internal factory valve pac kage and drains ma y not align with cabinet knockouts . 3. Dimensions shown in inches (mm). All dimensions are ± 1 / 4 in. 4. Bottom panel is Arctic White polyester powder coat paint. UNIT SIZE NOM AIRFLO W (Cfm) DIMENSIONS (in.) QTY/UNIT REAR RETURN FIL TE[...]

  • Page 16

    16 LEGEND 1— Junction Bo x, 4 in. x 4 in. 2— Optional Drip Lip, shipped loose 3— Mounting Holes (4), Rubber Grommets hav e 3 / 8 -i n. Diam eter H ole 4— Piping K O , 1 1 / 2 -in. Diameter 5— Electrical KO , 7 / 8 -in. Diameter 6— Drain K O, 1 1 / 2 -in. Diameter 7— Supply Duct Collar 8— Return C onnection, 5 / 8 -in. OD . 9— Opti[...]

  • Page 17

    17 LEGEND 1— Junction Bo x, 4 in. x 4 in. 2— Strip Heater High Limit 3— Electric Str ip Heater Element 4— Optional Drip Lip, shipped loose 5— Mounting Holes (4), Rubber Grommets hav e 3 / 8 -in. Diameter Hole 6— Piping K O , 1 1 / 2 -in. Diameter 7— Electrical K O , 7 / 8 -in. Diameter 8— Drain K O , 1 1 / 2 -in. Diameter 9— Suppl[...]

  • Page 18

    18 LEGEND 1— Optional Unit Mounted Control Box 2— W all Mounting Holes (4), 3 / 4 -in. Diameter 3— Drain, 3 / 4 -in. MPT 4— Drain P an, A uxiliary , Shipped Loose 5— Supply Conn, 5 / 8 -in. OD 6— Return Con n, 5 / 8 -in. OD 7— Filter 8— Air V ent, 1 / 8 -in. MPT 9— Disch arge O peni ng 10 — Flexible Conduit 11 — Front Access P[...]

  • Page 19

    19 LEGEND 1— Standard Stamped Supply Grille 2— Access Door , F an Switch 3— Supply Conn, 5 / 8 -in. OD 4— Return Co nn, 5 / 8 -in. OD 5— Drain, 3 / 4 -in. MPT 6— Filter 7— Air V ent, 1 / 8 -in. MPT 8— F ront P anel F astener 9— Drain P an, A uxiliary , Shipped Loose 10 — Wall Mounting Holes (4), 3 / 4 -in. Diameter 11 — Flexib[...]

  • Page 20

    20 LEGEND 1— Standard Stamped Supply Grille 2— Access Door , F an Switch 3— Supply Conn, 5 / 8 -in. OD 4— Return Conn , 5 / 8 -in. OD 5— Drain, 3 / 4 -in. MPT 6— Filter 7— Air V ent, 1 / 8 -in. MPT 8— F ront P anel F astener 9— Optional V alv e P ac kage (inside cabinet) 10 — Drain Pan, A uxiliary , Shipped Loose 11 — Wall Mou[...]

  • Page 21

    21 LEGEND 1— Optional Unit Mounted Control Box 2— Drain P an, A uxiliary , Shipped Loose 3— Supply Conn, 5 / 8 -in. OD 4— Drain, 3 / 4 -i n. MPT 5— Return Con n, 5 / 8 -in. OD 6— Air V ent, 1 / 8 -in. MPT 7— Discharge Opening 8— Filter *Unit weights are based on dry coils and minimum ro ws . W eights e xclude packaging, v alv es, an[...]

  • Page 22

    22 LEGEND 1— Unit-Mounted Control Box (Optional) 2— Drain P an, A uxiliary , Shipped Loose 3— Air V ent, 1 / 8 -in. MPT 4— Supply Conn, 5 / 8 -in. OD 5— Drain, 3 / 4 -in. MPT 6— Return Conn, 5 / 8 -in. OD 7— Filter 8— Electrical Sheath Heater Element 9— Discharge Opening *Unit weights are based on dr y coils and minimum ro ws . We[...]

  • Page 23

    23 *Unit weights are based on dry coils and minimum ro ws . W eights e xclude packaging, v alv es, and other components . UNIT SIZE NOM AIRFLO W (Cfm) DIMENSI ONS (i n.) QTY/UNI T F A CE AR EA (sq ft) UNIT WEIGHT* (lb) ABDC Blower Motor 02 200 41 22 3 3 / 4 17 2 1 1.18 72 03 300 46 27 42 1 1 / 2 2 1 1.53 100 04 400 54 35 3 5 / 8 30 1 / 4 2 1 2.08 1[...]

  • Page 24

    24 *Unit weights are based on dry coils and minimum ro ws . W eights e xclude packaging, v alv es, and other components . UNIT SIZE NOM AIRFLO W (Cfm) DIMENSIONS (in.) QTY/UNIT F A CE AREA (sq ft) UNIT WEIGHT* (lb) ABCD Blower Motor 02 200 41 22 3 3 / 4 17 2 1 1.18 7 2 03 300 46 27 4 21 1 / 2 2 1 1.53 100 04 400 54 35 3 5 / 8 30 1 / 4 2 1 2.08 108 [...]

  • Page 25

    25 LEGEND 1— Supply Conn, 5 / 8 -in. OD 2— Air V ent, 1 / 8 -in. MPT 3— Filter 4— Retur n Air Grille, Stamped 5— Stamped Supply Grille 6— Retur n Conn, 5 / 8 -in. OD 7— Remov able F ront Panel 8— Drain Conn, 7 / 8 -in. O D 9— Auxiliary Drain P an 10 — V alve Compartment 11 — Junction Box NO TES: 1. Right hand unit shown; left [...]

  • Page 26

    26 *Unit weight s are based on dry coils and minimum ro ws. W eights e xclude pac kaging, v alv es , and other components . NO TES: 1. Right hand unit sho wn; left hand unit opposite . Coil connect ion locations are ± 5 / 8 inches . 2. Sizes 06, 08 and 10 ha v e one motor , one b low er; sizes 12 through 20 ha v e 2 motors, 2 b low ers. 3. Standar[...]

  • Page 27

    27 *Unit weights ar e based on dry coils and minimum r ows. Wei ghts e xclude packag ing, v alves , and other components. NO TES: 1. Right hand unit shown; lef t hand unit opposit e. Coil conne ction locatio ns are ± 5 / 8 inches. 2. Sizes 06, 08 and 10 ha v e one motor , one blower . Sizes 12 through 20 ha ve 2 motors, 2 b lower s. 3. Filter and [...]

  • Page 28

    28 *Unit weights are b ased on dry coils and minimum ro ws. W eights e xclude pac kaging, v alv es, and o ther components. NO TES: 1. Right hand unit shown; l eft hand unit op posite. Coil connection lo cations are ± 5 / 8 inches . 2. Standard 4-ro w coil shown. Other coil opt ion dimensional data a vai labl e on request. 3. Sizes 06, 08 and 10 ha[...]

  • Page 29

    29 *Unit weight s are based on dry coils and minimum rows . Wei ghts e xclude pac kaging, v alv es, and other components. NO TES: 1. Right hand unit sho wn; left hand unit opposite . 2. Coil stub-out location dat a av ailab le on request. 3. Unit fab ricated of galvaniz ed steel. 4. Internal par ts f abricated of galvaniz ed steel. 5. Sizes 06, 08 [...]

  • Page 30

    30 *Unit weights a re based on dry coils and minimum r ows . Wei ghts e xclude packag ing, v alv es, and other components. NO TES: 1. Right hand unit sho wn; left hand unit opposit e. 2. Coil stub-out connection data av ailab le on req uest. 3. Units f abricated of galv aniz ed steel with a n Arctic White bak ed fini sh. 4. Inter nal pa r ts f abr [...]

  • Page 31

    31 *Drawing provided for reference only . Dime nsions may vary with op tions ordered. NOTES: 1. Units are f abricated o f 18-gage ga lvan ized ste el with a 16- gage galv aniz ed f an dec k. 2. All risers are insulated w ith 1 / 2 -in. closed cell insulation. 3. Thermostats shipped loose fo r field connecti on. 4. Risers are pipe d to coil with val[...]

  • Page 32

    32 †Unit we ights are base d on dry coils and min imum ro ws. W eigh ts e xclude pac kaging, v alv es, and other co mponents . UNIT SIZE NOM AIRFLO W (cfm) DIMENSION S (in.) UNIT WEIGHT† (lb) Single Supply Double Supply CDE F G ABAB 03 300 14 8 14 6 17 2 2 3 / 8 1 1 / 2 22 1 / 8 14 3 / 4 202 04 400 14 12 14 8 17 22 3 / 8 1 1 / 2 22 1 / 8 14 3 /[...]

  • Page 33

    33 †Unit we ights are base d on dry coils and min imum ro ws. W eigh ts e xclude pac kaging, v alv es, and other co mponents . UNIT SIZE NOM AIRFLO W (cfm) DIMENSIONS (in.) UNIT WEIGHT† (lb) Single Supply Double Supply T op Suppl y EG H I J AB A BC D 03 300 14 8 14 6 14 10 17 1 1 / 2 1 1 / 2 14 40 1 / 4 360 04 400 14 12 14 6 14 10 17 1 1 / 2 1 [...]

  • Page 34

    34 *Dra wing prov ided f or re fer ence only . Dimensions ma y v ary with options ordered. NO TES: 1. Units are f abricated of 18-gage galva nized steel with a 16-gage g alvani zed f an de ck. 2. All risers ar e insulated with 1 / 2 -in. closed cell insulation. 3. Thermostats shipped loose f or field connection. 4. Risers are pipe d to coil with va[...]

  • Page 35

    35 *Draw ing provi ded fo r refe rence only . Dimensions may v ary with options ord ered. NOTES: 1. Units are fabrica ted of 18-gag e galv aniz ed steel with a 16-gage ga lvan ized f an d eck. 2. All risers are insulated with 1 / 2 -in. closed cell insulation. 3. Ther mostats shipped loose f or field conn ection. 4. Risers are piped to coil wit h v[...]

  • Page 36

    36 Fig. 33 — 42SU Universal Furr ed-In Stac k Dimensions *Unit weigh ts are based on dry coils and minimum ro ws. W eig hts excl ude pack aging, v alv es, and o ther components . UNIT SIZE UNIT WEIGHT* lb (kg) DIMENSIONS, in. (mm) FIL TER SIZE in. (mm) Side Supply T op Supply AB S i z e CD S i z e E FH I 03 360 (163) 14 (356) 12 (305) 14 x 12 (35[...]

  • Page 37

    37 Fig. 34 — 42SU Universal Furred- In St ack with Hea ter Dimensions *Unit weights are based on dry coils and minimum rows. W eights e xclude pac kaging, v alv es, and other components. UNIT SIZE UNIT WEIGHT* lb (kg) DIMENSIONS, in. (mm ) FIL TER SIZE in. (mm) Side Supply T op Sup ply AB S i z e CD S i z e E FH I 03 360 (163) 14 (356) 12 (305) 1[...]

  • Page 38

    38 Fig. 35 — Return-A ir W all P anel s for Furred-In Units — P anels wit h No Frame PANEL DIMENSIONS (in.) NO TE: Dimensions in inches. P ANEL NO. UNIT SIZE A 1 03, 04 15.5 06, 08 19.5 10, 12 23.5 2 03, 04 15.5 06, 08 19.5 10, 12 23.5 3 03, 04 15.2 06, 08 19.2 10, 12 23.2 6 03, 04 15.5 06, 08 19.5 10, 12 23.5 7 03, 04 15.1 06, 08 19.1 10, 12 2[...]

  • Page 39

    39 Fig. 36 — Return-Air W all P anels for Furred-In Units — P anels with Frame PANEL AND FRAME DIMENSIONS (in.) NO TE: Dimensions in inches. P AN EL NO . UNIT SIZE A 4 03, 0 4 15.1 06, 0 8 19.1 10, 1 2 23.1 5 03, 0 4 15.1 06, 0 8 19.1 10, 1 2 23.1 9 03, 04 15.1 06, 08 19.1 10, 12 23.1 PANEL NO. 4 54.7 A A42-4168 PANEL NO. 5 60.4 A A42-4170 PANE[...]

  • Page 40

    40 INST ALLA TION Step 1 — Place Units in P osition 42C UNITS 1. Select the unit location. Allow adequate space for free air circulation, service clearances, piping and electrical connections, and any necess ary ductwork. For specific unit dimensions, refer to Fig. 1-14. Allow clearances ac- cording to local and national electric codes. 2. Make s[...]

  • Page 41

    41 42 S UNI TS — A factory tag is on top of each unit. T a g states riser tier number , floor , room number if furnished and supply- air arrangement. Check unit for a ny other labels that apply to installation. Remove unit from pallet and take directly to assigned space for installation. Great care must be taken to assure that no force or pressur[...]

  • Page 42

    42 h. After all drywalling and paint ing is complete, install thermostats, supply air grilles an d return air panels. 7. Attach unit risers: NOTE: The supply and return connections are marked on the coil stub-outs and the valve package with an “S” meaning supply or inlet and “R ” meaning return or outlet indicating flow direction to and fro[...]

  • Page 43

    43 V ALVE PAC KAGES — T he r e are limitations on physical size of pneumatic valves, qua ntity and type of matching components, and required cont rol interface. See Fig. 43. Consult factory before orderi ng any special valve package components that are not covered in this book. V alve packages are shipped with the units or in unit cartons. V alve[...]

  • Page 44

    44 Fig. 42 — Piping Connection Positions Hydr onic Co il Arrangement Field Piping Connect ions* VERTICAL FLOOR UNITS — 42VB, VE, VF Pipe into cabinet end co mpar tment (opening i n bottom and back ). VERTICAL FLOOR UNITS — 42V A, VC Pipe to external connections (no cabinet). CEILING UNITS (EXPOSED) — 42CG, CK, DE, DF Pipe through kn ock-out[...]

  • Page 45

    45 Fig. 43 — Symbols and Placemen t of Valves Coil Connections (P ositions A & B) — When isolation valve only is added to supply or retur n line, the isolation valv e will be factory brazed to the coil stub-out. A ddition of any other component or connection to the supply or retur n line will change the respectiv e coil connection(s). Servi[...]

  • Page 46

    46 BALL V AL VE GA TE SHUT OFF (1) GA TE (1) BALL (1) 2-W A Y MOTORIZED R S COIL BALL V AL VE BALL V AL VE (2) BALL (1) BALANCING (1) 2-W A Y MOTORIZED R S COIL CIRCUIT SETTER BALL V AL VE (1) BALL (1) CIRCUIT SETTER (1) 2-W A Y MOTORIZED R S COIL MOTORIZED 2-W A Y V AL VE A BYP ASS BALANCING VA LV E A MOTORIZED 2-W A Y V AL VE BYP ASS A MOTORIZED [...]

  • Page 47

    47 CIRCUIT SETTER (1) BALL (1) CIRCUIT SETTER (1) 3-W A Y MOTORIZED COIL BALL V AL VE GA TE SHUT OFF V AL VE (1) GA TE (1) BALL (1) 3-W A Y MOTORIZED R S COIL BALL V AL VE BALL V AL VE (2) BALL (1) BALANCING (1) 3-W A Y MOTORIZED R S COIL MOTORIZED 3-W A Y V AL VE BYP ASS BALANCING VA LV E MOTORIZED 3-W A Y V AL VE BYP ASS (1) BALL (1) 3-W A Y MOTO[...]

  • Page 48

    48 WITH HAND V AL VES ONL Y BALL V AL VE BALL V AL VE (2) BALL R S COIL BALL V AL VE GA TE SHUT OFF V AL VE (1) BALL (1) GA TE R S COIL BALL V AL VE BALL V AL VE (2) BALL (1) BALANCING R S COIL BALL V AL VE (1) BALL (1) CIRCUIT SETTER R S COIL BALL V AL VE BALL V AL VE (2) BALL (1) 2-W A Y MOTORIZED R S COIL BALL V AL VE (WITH MEMOR Y ST OP) BALL V[...]

  • Page 49

    49 42 C, D ,V D RA IN C ON NE C TI ON S — Install drain line in accordance with all applicable codes. A continuous pitch of 1 in. per 10 ft of condensate dr ain line run is necessary for adequate condensate drainage. Insulate the drain line to prevent sweating. Extend the drain line straight from the drain pan before making any turns. The install[...]

  • Page 50

    50 Table 5 — Piping Components LEGEND *Check all system component pres sure ratings (coils , values , pumps, etc.) with manuf acturer and any applicable local or national piping codes prior to specifying system pressure rating. NO TES: 1. Motorized 2-wa y valv es hav e a maximum close-off diff erential of 25 psi. 2. Motorized 3-wa y valv es hav e[...]

  • Page 51

    51 Table 5 — Piping Components (cont) LEGEND *Check all system component pres sure ratings (coils , values , pumps, etc.) with manuf acturer and any applicable local or national piping codes prior to specifying system pressure rating. NO TES: 1. Motorized 2-wa y valv es hav e a maximum close-off diff erential of 25 psi. 2. Motorized 3-wa y valv e[...]

  • Page 52

    52 Table 5 — Piping Components (cont) LEGEND *Check all system component pres sure ratings (coils , values , pumps, etc.) with manuf acturer and any applicable local or national piping codes prior to specifying system pressure rating. NO TES: 1. Motorized 2-wa y valv es hav e a maximum close-off diff erential of 25 psi. 2. Motorized 3-wa y valv e[...]

  • Page 53

    53 Table 5 — Piping Components (cont) LEGEND *Check all system component pres sure ratings (coils , values , pumps, etc.) with manuf acturer and any applicable local or national piping codes prior to specifying system pressure rating. NO TES: 1. Motorized 2-wa y valv es hav e a maximum close-off diff erential of 25 psi. 2. Motorized 3-wa y valv e[...]

  • Page 54

    54 Fig. 49 — Copper Water Tube and Join t Material Pressu re Ratings NO TES: 1. Not recommended for high system w ater pressures. 2. Standard f actory joint mater ial. JOINT MA TERIALS A 50-50 Lead-Tin at 200 F Note 1 D 95-5 Tin-Antimony at 200 F Note 2 B 50-50 Lead-Tin at 150 F E 95-5 Tin-Antimony at 150 F C 50-50 Lead-Tin at 100 F F 95-5 T in-A[...]

  • Page 55

    55 Step 3 — Make Electrical Connection s — Refer to unit nameplate for required supply voltage, fan and heater amperage and required circuit ampacity . Refer to unit wire dia- gram for unit and field wiring. Make sure all electrical connec- tions are in accordance with unit wiring diagram and all appli- cable codes. The fan motor(s) should neve[...]

  • Page 56

    56 T hermostatic F an C ontro l , 2-P ipe S ystems — The thermo- stat cycles the fan on and of f from any sel ected speed setting to maintain selected room temperat ure. Controls can be wired for heating-only , cooling-only or for heating/cooling by the addi- tion of an automatic changeover device that senses water tem- perature and changes the a[...]

  • Page 57

    57 Fig. 53 — 42SG,SH,SJ,VA,VB,VC,VE,VF 2-Pipe Heating and Cooling with Automatic Changeover — Unit-Mounted Ther mostat (Line Voltage) a42-4060 120-V WHT ALL O THERS BLK  NEC CLASS 1 WIRING UNIT MOUNTED J BOX EQUIPMENT GROUND L2 or N L1 THERMOST A T P ART # 702893-36 MED W/RED HI W/ORG L1 BLK LOW W/BRN HEA T RED COOL BLU PUR ORG L2 OR N YEL V[...]

  • Page 58

    58 Fig. 55 — 42SG,SH,SJ,VA,VB,VF 2-Pipe Heatin g and Cooling with Automatic Changeover — Unit-Mounted Debona ir ® Thermostat (2 4-v), Duct Sensor a42-4059 Fig. 56 — 42C,S,V (ex cept VG), and 42D (600- 1000 cfm) 2-Pipe Heat ing and Cooling wit h Automatic Change over — Remote/Wall-Moun ted Debonair ® Thermostat (24-v) a42-4061 NEC CLASS 2 [...]

  • Page 59

    59 T hermostatic 2-P ipe A uxiliary E lectric H eat with V alve C ontrol — This system, also called twilight or intermediate season electric heat, goes a long way towards solving the spring and fall control problems of 2-pipe systems. Chilled water can be run late into the fall, turned on early in the spring and heat will still be available to al[...]

  • Page 60

    60 Fig. 58 — 42C,S,V (exc ept VG), and 42D (600-100 0 cfm) 2-Pipe Heating and Cooling with Auxiliary Heat — Remote/Wall-Mount ed Thermostat (Line Voltage ) and Dual Power Source UNIT MOUNTED J BOX EQUIPMENT GROUND L2 or N L1 THERMOST A T P ART # 702893-36 W/RED HI W/ORG L1 BLK LOW W/BRN HEA T RED COOL BLU PUR ORG L2 OR N YEL VA LV E REMOTE DEVI[...]

  • Page 61

    61 T hermostat 2-P ipe T otal E le ctric H eat with V alve C on- trol — W ith this system, the complete heating requirement for the space is provided by the electric heater; the water system is never changed over for heating. It is therefore poss ible, just as with 4-pipe systems, to have heating or cooling at any time of the year . The fan runs [...]

  • Page 62

    62 Fig. 61 — 42SG,SH,SJ,VA,VB,VC,VE,VF 2-Pi pe Cooling with Total Electric Heat — Unit-Mounted Thermos tat (Line Voltag e) a42-4073 120-V WHT ALL O THE RS BLK  NEC CLASS 1 WIRING Fig. 62 — 42C,S,V (ex cept VG), and 42D (600- 1000 cfm) 2-Pipe Cooli ng with Total Ele ctric Heat — Remote/Wall-Mounted Thermostat (Line Voltage)[...]

  • Page 63

    63 Fig. 63 — 42SG,SH,SJ,VA,VB ,VC,VE,VF 2-Pipe Cooling with Tota l Electric Heat — Unit-Mounted Debona ir ® Thermosta t (24-v) and Duct Sensor a42-4072 NOTE: Units may ha ve 2 or 4 elements. Elements wired in parallel. Fig. 64 — 42C,S,V (except VG) , and 42D (600-1 000 cfm) 2-Pipe Cooling wi th Total Electri c Heat — Remote/Wall-Mounted De[...]

  • Page 64

    64 T hermostatic V alve C on trol , 4-P ipe — The 4-pipe system provides the ultimate in economy and room temperature con- trol. Both hot water and chilled water are available at any tim e. Normally an automatic changeover thermostat is used, but a manual changeover thermostat is also suitable. T wo 2-way valves, two 3-way valves, or one 2-way pl[...]

  • Page 65

    65 Fig. 66 — 42C,S,V (exce pt VG), and 42D (600 -1000 cfm) 4-Pipe Heating and Cooling — Remote/Wall-Mounted Thermostat (Line Volt age) ONL Y 120V WHT/ALL OTHERS BLK Fig. 67 — 42SG,SH,SJ,VA,VB,VC,VE, VF 4-Pipe Heating and Cooling — Unit-Mounted Debonair ® Thermosta t (24-v) a nd Duct Senso r a42-4078[...]

  • Page 66

    66 Step 4 — Make Duct Connections — Install all ductwork to and from unit in accordance with all applicable codes. Duct construction must a llow unit to operate within duct external static pressure limits as shown on job submittals. Units designed to operate with ductwor k may be damaged if operated without intended ductwork attached. Units pro[...]

  • Page 67

    67 Step 6 — Cut out Openings f or Grilles and Thermostats — On all units with optional supply-air or return-air grilles, dampers, thermostats, and switch plates, cut out openings where specified on the job plans. Be careful not to cut wires, piping or structural supports. For remote-mounted thermostats use a steel thermostat shield ring to prot[...]

  • Page 68

    68 Standard motors are permanently sealed and lubricated. No lubrication is required unles s special motors have been supplied or unusual operating conditions exist. Clean Fa n Wheel — Lock open and tag unit electrical service switch. For access to fan assembly , remove front or bottom panel. Fan assembly may be removed from its tracks if unit ha[...]

  • Page 69

    69[...]

  • Page 70

    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 . 04-53 420004-01 Printed in U .S .A. Fo rm 42-3SI Pg 70 12-09 Replaces: 42-2SI Copy right 2009 Carrier Cor poration[...]

  • Page 71

    CL-1 ST ART -UP CHECKLIST FOR 42C,D,S,V SERIES F AN COIL AIR CONDITIONERS I. Pr oject Inf ormation Job Name _________ _____________________ __________________ ____________________ ___ Address __________ _____________________ __________________ ____________________ ___ City ___________ _________________ __________________ Sta te __ _ __ __ __ _ Zip [...]

  • Page 72

    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 . 04-53420004-0 1 Printed in U .S.A. F orm 42-3SI CL-2 12-09 Replaces: 42-2SI Copy right 2009 Carrier Cor poration - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [...]