Carrier 42C Users Manual 42 3si

42S to the manual 1e3d6bbe-5527-4711-9a17-5af3fed6f468

2015-01-24

: Carrier Carrier-42C-Users-Manual-310412 carrier-42c-users-manual-310412 carrier pdf

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 04-53420004-01 Printed in U.S.A. Form 42-3SI Pg 1 12-09 Replaces: 42-2SIInstallation, Start-Up and ServiceInstructionsCONTENTSPageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3PRE-INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39Unpack and Inspect Units . . . . . . . . . . . . . . . . . . . . . . . . 3Protect Units From Damage . . . . . . . . . . . . . . . . . . . . . . 3Prepare Jobsite for Unit Installation. . . . . . . . . . . . . . 3Identify and Prepare Units. . . . . . . . . . . . . . . . . . . . . . . . 3INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-67Step 1 — Place Units in Position . . . . . . . . . . . . . . . . 40• 42C UNITS• 42V UNITS• 42D UNITS• 42S UNITSStep 2 — Make Piping Connections . . . . . . . . . . . . . 42• VALVE PACKAGES• 42C,D,V DRAIN CONNECTIONS• 42C,D,V WATER SUPPLY/RETURN CONNECTIONS• 42C,D,V STEAM CONNECTIONS• 42C,D,V DIRECT EXPANSION (DX) REFRIGERANT PIPING• TEST AND INSULATEStep 3 — Make Electrical Connections . . . . . . . . . . 55• STANDARD WIRING PACKAGESStep 4 — Make Duct Connections . . . . . . . . . . . . . . . 66Step 5 — Frame and Finish Unit. . . . . . . . . . . . . . . . . 66Step 6 — Cut out Openings for Grilles andThermostats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Step 7 — Make Final Preparations. . . . . . . . . . . . . . . 67START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67,68Excessive Condensation on Unit. . . . . . . . . . . . . . . . 67To Clean Coil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Coil Air Vent (Manual or Automatic) . . . . . . . . . . . . . 67Check Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Fan Motor Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Clean Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68Clean Electric Heater. . . . . . . . . . . . . . . . . . . . . . . . . . . . 68Clean or Replace Air Filters . . . . . . . . . . . . . . . . . . . . . 68Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68START-UP CHECKLIST FOR 42C,D,S,V SERIES FAN COIL AIR CONDITIONERS. . . . . . . . CL-1, CL-2SAFETY CONSIDERATIONSInstallation of this unit can be hazardous due to electrical com-ponents and equipment location (such as a ceiling or elevatedstructure). Only trained, qualified installers and servicemechanics should install and service this equipment.When installing this unit, observe precautions in the literature,labels attached to the equipment, and any other safety precau-tions that apply.• Follow all safety codes.• Wear safety glasses and work gloves.• Use care in handling and installing this accessory.INTRODUCTIONThis document contains general installation instructions forthe 42C,D,S,V unit fan coils. Refer to the unit-wiring diagraminstalled on the blower housing or specific manufacturer litera-ture for any other type of factory-mounted controls.See drawings for unit configurations, dimensions, clearances,and pipe connections. Refer to unit wiring label for all electricalconnections; follow NEC (National Electrical Code) and localcodes.PHYSICAL DATAComponent weight data, shipping weights, and filter data ofthe 42C,D,S,V units are provided in Tables 1-4.WARNINGELECTRIC SHOCK HAZARD To avoid the possibility ofelectrical shock, open and tag all service switches beforeinstalling this equipment.42C,D,S,V SeriesFan Coil Air Conditioners
2Table 1 — Physical Data — 42C Series Units*Calculate operating weight of unit: shipping weight + coil water weight xnumber of coil rows.†42CF applies to sizes 04 to 10.**Filter size for return-air grille location.††Filter size if located in return-air plenum.***With electric heater and bottom return, the 42CF unit filter width increasesfrom 123/4 to 163/4.Table 2 — Physical Data — 42V Series Units*Calculate operating weight of unit: shipping weight + coil water weight xnumber of coil rows.†Available in sizes 02-06.UNIT SIZE 42C 02 03 04 06 08 10 12NOMINAL AIRFLOW (cfm) 200 300 400 600 800 1000 1200SHIPPING WEIGHT (lb)* 42CA 36 39 49 59 64 95 107 42CE 55 60 70 82 95 135 154 42CF — — 84 97 110 163 — 42CG 98 118 126 168 176 215 245 42CK 115 120 135 150 155 227 241COIL WATER WEIGHT(Approx lb per row of coil) 42CA, CE, CG, CK 0.7 0.8 1.0 1.4 1.7 2.3 2.7 42CF — — 1.02 1.42 1.71 2.32 —COILS FPI 10 fins/inch Coil Face Area (sq ft)† 0.8 1.1 1.4 1.9 2.3 3.2 3.7MOTOR (qty) 42C Series 111 1 1 22BLOWER (qty) 42CA, CE, CG, CK 112 2 2 44 42CF —— 2 2 2 4—FILTERS Nominal Size (in.) (1-in. thick) 42CA** 10 x 24 10 x 28 10 x 32 10 x 42 10 x 42 10 x 54 10 x 64 42CE†† 10 x 18 10 x 22 10 x 28 10 x 33 10 x 40 10 x 54 10 x 62 42CF††*** ——123/4 x 28 123/4 x 33 123/4 x 40 123/4 x 54 — 42CG Bottom Return 10 x 231/210 x 28 10 x 321/210 x 37 10 x 41 10 x 541/210 x 63 Rear Return 8 x 231/28 x 28 8 x 321/28 x 37 8 x 41 8 x 541/28 x 63 42CK Bottom Return 10 x 28 10 x 28 10 x 33 10 x 45 10 x 45 10 x 62 10 x 62 Rear Return 7 x 21 7 x 21 7 x 27 7 x 38 7 x 38 7 x 52 7 x 52 Rear Return with Duct Collar 6 x 183/46 x 183/46 x 243/46 x 353/46 x 353/46 x 493/4 6 x 493/4 Qty 111 1 1 11SUPPLY DUCT COLLAR 1-in.PIPING CONNECTIONS (Sweat) (in.) Coil Outlet and Inlet 5/8 OD Drain Connection 7/8 OD Tell-Tale Drain 5/8 ODUNIT SIZE 42V 01 02 03 04 06 08 10 12NOMINAL AIRFLOW (cfm) 150 200 300 400 600 800 1000 1200SHIPPING WEIGHT (lb)* 42VA — 65 80 90 112 115 140 170 42VB — 89 95 116 134 137 169 192 42VC — 50 60 72 110 — — — 42VE — 72 100 108 154 — — — 42VF — 92 98 122 141 144 178 205 42VG 40 — 74 — — — — —COIL WATER WEIGHT (Approx lb per row of coil) 42VA, VB, VC†, VF — 0.7 0.8 1.0 1.4 1.7 2.3 2.7 42VE — 0.9 1.2 1.6 2.3 — — — 42VG 0.4 — 1.0 — — — — —COILS FPI 12 fins/inch Coil Face Area (sq ft) 0.8 0.8 1.1 1.4 1.9 2.3 3.2 3.7MOTOR (qty) 42VA, VB, VF —11 1 1 122 42VC, VE —1 1 1 2 — — — 42VG 1— 2 — — — — —BLOWER (qty) 42VA, VB, VF —11 2 2 244 42VC, VE —2 2 2 4 — — — 42VG 1— 2 — — — — —FILTERSNominal Size (in.) (1-in. thick) 42VA, VB, VF —73/4 x 213/473/4 x 253/473/4 x 313/473/4 x 413/473/4 x 433/473/4 x 573/473/4 x 653/4 42VC, VE —7 x 213/47 x 263/47 x 343/47 x 483/4——— 42VG 10 x 141/2— 10 x 28 — — — — — Qty 111 1 1111SUPPLY DUCT COLLAR 1-in.PIPING CONNECTIONS (Sweat) (in.) Coil Outlet and Inlet 5/8 OD Drain Connection 3/4 MPT

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