Page 3 - Unpack and Inspect Units —
3 Table 3 — Physical Data — 42D Series Units *Calculate Operating Weight of unit: Shipping Weight + Coil Water Weight x Number of Coil Rows. Table 4 — Physical Data — 42S Series Units *Calculate Operating Weight of Unit: Shipping Weight + Coil Water Weight x Number of Coil Rows.†42SJ units require t...
Page 4 - Fig. 1 — 42CA Furred-In Horizontal Unit Dimensions
4 LEGEND 1 — Junction Box (remote mount) 2 — Flexible Metal Conduit 3 — Drain Conn, 7 / 8 -in. OD 4 — Tell-Tale Drain Conn, 5 / 8 -in. OD (optional) 5 — Drip Lip (optional) 6 — Hanger Slots (4), Rubber Grommethas 3 / 8 -in. Diameter Hole 7 — Supply Duct Collar, 1-in. 8 — Air Vent, 1 / 8 -in. MPT 9 —...
Page 6 - Fig. 3 — 42CE Furred-In Horizontal Unit with Plenum Dimensions
6 NOTES:1. Right hand unit with standard 3-row coil shown; left hand unit opposite. Coil connection locations are ± 5 / 8 -in. 2. Unit sizes 02 and 03 have one motor, one blower; sizes 04 through 08 have one motor, 2 blowers; sizes 10 and 12 have 2 motors, 4 blowers. 3. Standard 3-row coil shown.4. ...
Page 10 - Fig. 7 — 42CG Horizontal Cabinet Unit Dimensions
10 LEGEND 1 — Junction Box, 4 in. x 4 in. 2 — Optional Return Air Location 3 — Optional Drip Lip, shipped loose 4 — Mounting Holes (4), Rubber Grommetshave 3 / 8 -in. Diameter Hole 5 — Electrical KO, 7 / 8 -in. Diameter 6 — Return KO, 1-in. Diameter 7 — Supply KO, 1 1 / 2 -in. Diameter 8 — Drain KO,...
Page 11 - Fig. 8 — 42CG Horizontal Cabinet with Electric Heat Dimensions
11 LEGEND 1 — Junction Box, 4 in. x 4 in. 2 — Optional Stamped Rear Return Grille 3 — Optional Drip Lip, shipped loose 4 — Electric Strip Heater Element 5 — Mounting Holes (4), Rubber Grommetshave 3 / 8 -in. Diameter Hole 6 — Electrical KO, 7 / 8 -in. Diameter 7 — Return KO, 1-in. Diameter 8 — Suppl...
Page 12 - Bottom panel is Arctic White polyester powder coat paint.; Fig. 9 — 42CK Horizontal Cabinet Unit with Telescopic Access Panel,
12 UNIT SIZE NOM AIRFLOW (Cfm) DIMENSIONS (in.) QTY/UNIT BOTTOM RETURN FILTER SIZE, (in.) A B C D E F Blower Motor 02 200 35 16 12 3 / 4 37 32 6 1 1 10 x 28 03 300 35 20 8 3 / 4 37 32 6 1 1 10 x 28 04 400 41 26 8 3 / 4 43 38 6 2 1 10 x 33 06 600 53 31 15 3 / 4 55 50 7 2 1 10 x 45 08 800 53 38 8 3 / ...
Page 13 - Fig. 10 — 42CK Horizontal Cabinet Unit with Telescopic Access Panel,
13 NOTES: 1. Right hand unit shown; left hand unit opposite.2. Internal factory valve package and drains may 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 AIRFLOW (Cfm) D...
Page 14 - Fig. 11 — 42CK Horizontal Cabinet Unit with Telescopic Access Panel,
14 NOTES: 1. Right hand unit shown; left hand unit opposite.2. Internal factory valve package and drains may 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 AIRFLOW (Cfm) D...
Page 15 - Fig. 12 — 42CK Horizontal Cabinet Unit with Telescopic Access Panel,
15 NOTES: 1. Right hand unit shown; left hand unit opposite.2. Internal factory valve package and drains may 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 AIRFLOW (Cfm) D...
Page 16 - Fig. 13 — 42CK Horizontal Cabinet Unit with Telescopic Access Panel
16 LEGEND 1 — Junction Box, 4 in. x 4 in. 2 — Optional Drip Lip, shipped loose 3 — Mounting Holes (4), Rubber Grommetshave 3 / 8 -in. Diameter Hole 4 — Piping KO, 1 1 / 2 -in. Diameter 5 — Electrical KO, 7 / 8 -in. Diameter 6 — Drain KO, 1 1 / 2 -in. Diameter 7 — Supply Duct Collar 8 — Return Connec...
Page 18 - Fig. 15 — 42VA Furred-In Vertical Unit Dimensions
18 LEGEND 1 — Optional Unit Mounted Control Box 2 — Wall Mounting Holes (4), 3 / 4 -in. Diameter 3 — Drain, 3 / 4 -in. MPT 4 — Drain Pan, Auxiliary, Shipped Loose 5 — Supply Conn, 5 / 8 -in. OD 6 — Return Conn, 5 / 8 -in. OD 7 — Filter 8 — Air Vent, 1 / 8 -in. MPT 9 — Discharge Opening 10 — Flexible...
Page 19 - Fig. 16 — 42VB Vertical Cabinet Unit Dimensions
19 LEGEND 1 — Standard Stamped Supply Grille 2 — Access Door, Fan 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 Vent, 1 / 8 -in. MPT 8 — Front Panel Fastener 9 — Drain Pan, Auxiliary, Shipped Loose 10 — Wall Mounting Holes (4), 3 / ...
Page 20 - Fig. 17 — 42VF Vertical Cabinet Unit with Slant Top Dimensions
20 LEGEND 1 — Standard Stamped Supply Grille 2 — Access Door, Fan 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 Vent, 1 / 8 -in. MPT 8 — Front Panel Fastener 9 — Optional Valve Package (inside cabinet) 10 — Drain Pan, Auxiliary, Shi...
Page 21 - Fig. 18 — 42VC Furred-In Lowboy Unit Dimensions
21 LEGEND 1 — Optional Unit Mounted Control Box 2 — Drain Pan, Auxiliary, Shipped Loose 3 — Supply Conn, 5 / 8 -in. OD 4 — Drain, 3 / 4 -in. MPT 5 — Return Conn, 5 / 8 -in. OD 6 — Air Vent, 1 / 8 -in. MPT 7 — Discharge Opening 8 — Filter *Unit weights are based on dry coils and minimum rows. Weights...
Page 22 - Fig. 19 — 42VC Furred-In Lowboy Unit with Electric Heat Dimensions
22 LEGEND 1 — Unit-Mounted Control Box (Optional) 2 — Drain Pan, Auxiliary, Shipped Loose 3 — Air Vent, 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...
Page 23 - Fig. 20 — 42VE Cabinet Lowboy Unit Dimensions
23 *Unit weights are based on dry coils and minimum rows. Weights exclude packaging, valves, and other components. UNIT SIZE NOM AIRFLOW (Cfm) DIMENSIONS (in.) QTY/UNIT FACE AREA (sq ft) UNIT WEIGHT* (lb) A B D C Blower Motor 02 200 41 22 3 3 / 4 17 2 1 1.18 72 03 300 46 27 4 21 1 / 2 2 1 1.53 100 0...
Page 24 - Fig. 21 — 42VE Cabinet Lowboy Unit with Electric Heat Dimensions
24 *Unit weights are based on dry coils and minimum rows. Weights exclude packaging, valves, and other components. UNIT SIZE NOM AIRFLOW (Cfm) DIMENSIONS (in.) QTY/UNIT FACE AREA (sq ft) UNIT WEIGHT* (lb) A B C D Blower Motor 02 200 41 22 3 3 / 4 17 2 1 1.18 72 03 300 46 27 4 21 1 / 2 2 1 1.53 100 0...
Page 25 - Fig. 22 — 42VG Furred-In Wall Unit Dimensions
25 LEGEND 1 — Supply Conn, 5 / 8 -in. OD 2 — Air Vent, 1 / 8 -in. MPT 3 — Filter 4 — Return Air Grille, Stamped 5 — Stamped Supply Grille 6 — Return Conn, 5 / 8 -in. OD 7 — Removable Front Panel 8 — Drain Conn, 7 / 8 -in. OD 9 — Auxiliary Drain Pan 10 — Valve Compartment 11 — Junction Box NOTES:1. R...
Page 26 - Fig. 23 — 42DA Furred-In Ceiling Unit with Electric Heat Dimensions
26 *Unit weights are based on dry coils and minimum rows. Weights exclude packaging, valves, and othercomponents.NOTES: 1. Right hand unit shown; left hand unit opposite. Coil connection locations are ± 5 / 8 inches. 2. Sizes 06, 08 and 10 have one motor, one blower; sizes 12 through 20 have 2 motor...
Page 28 - Blower
28 *Unit weights are based on dry coils and minimum rows. Weights exclude packaging, valves, and othercomponents.NOTES: 1. Right hand unit shown; left hand unit opposite. Coil connection locations are ± 5 / 8 inches. 2. Standard 4-row coil shown. Other coil option dimensional data available on reque...
Page 31 - Fig. 28 — 42SG Furred-In Stack Dimensions
31 *Drawing provided for reference only. Dimensions may vary with options ordered.NOTES: 1. Units are fabricated of 18-gage galvanized steel with a 16-gage galvanized fan deck. 2. All risers are insulated with 1 / 2 -in. closed cell insulation. 3. Thermostats shipped loose for field connection. 4. R...
Page 32 - Fig. 29 — 42SH Cabinet Dimensions
32 †Unit weights are based on dry coils and minimum rows. Weights exclude packaging, valves, and other components. UNIT SIZE NOM AIRFLOW (cfm) DIMENSIONS (in.) UNIT WEIGHT† (lb) Single Supply Double Supply C D E F G A B A B 03 300 14 8 14 6 17 22 3 / 8 1 1 / 2 22 1 / 8 14 3 / 4 202 04 400 14 12 14 8...
Page 34 - Fig. 31 — 42SGM Furred-In Master Stack Dimensions
34 *Drawing provided for reference only. Dimensions may vary with options ordered.NOTES: 1. Units are fabricated of 18-gage galvanized steel with a 16-gage galvanized fan deck. 2. All risers are insulated with 1 / 2 -in. closed cell insulation. 3. Thermostats shipped loose for field connection. 4. R...
Page 35 - Fig. 32 — 42SGS Furred-In Slave Stack Dimensions
35 *Drawing provided for reference only. Dimensions may vary with options ordered.NOTES: 1. Units are fabricated of 18-gage galvanized steel with a 16-gage galvanized fan deck. 2. All risers are insulated with 1 / 2 -in. closed cell insulation. 3. Thermostats shipped loose for field connection. 4. R...
Page 36 - Fig. 33 — 42SU Universal Furred-In Stack Dimensions
36 Fig. 33 — 42SU Universal Furred-In Stack Dimensions *Unit weights are based on dry coils and minimum rows. Weights exclude packaging, valves, and other components. UNIT SIZE UNIT WEIGHT* lb (kg) DIMENSIONS, in. (mm) FILTER SIZE in. (mm) Side Supply Top Supply A B Size C D Size E F H I 03 360 (163...
Page 37 - Fig. 34 — 42SU Universal Furred-In Stack with Heater Dimensions
37 Fig. 34 — 42SU Universal Furred-In Stack with Heater Dimensions *Unit weights are based on dry coils and minimum rows. Weights exclude packaging, valves, and other components. UNIT SIZE UNIT WEIGHT* lb (kg) DIMENSIONS, in. (mm) FILTER SIZE in. (mm) Side Supply Top Supply A B Size C D Size E F H I...
Page 39 - Fig. 36 — Return-Air Wall Panels for Furred-In Units — Panels with Frame
39 Fig. 36 — Return-Air Wall Panels for Furred-In Units — Panels with Frame PANEL AND FRAME DIMENSIONS (in.) NOTE: Dimensions in inches. PANEL NO. UNIT SIZE A 4 03, 04 15.1 06, 08 19.1 10, 12 23.1 5 03, 04 15.1 06, 08 19.1 10, 12 23.1 9 03, 04 15.1 06, 08 19.1 10, 12 23.1 PANEL NO. 4 54.7 A A42-4168...
Page 41 - Fig. 37 — 42SJ Unit with Standard and Siamese
41 42S UNITS — A factory tag is on top of each unit. Tag states riser tier number, floor, room number if furnished and supply- air arrangement. Check unit for any other labels that apply to installation. Remove unit from pallet and take directly to assigned space for installation. Great care must be...
Page 43 - Valve packages for standard 2-pipe units are piped for same end; CW —
43 VALVE PACKAGES — There are limitations on physical size of pneumatic valves, quantity and type of matching components, and required control interface. See Fig. 43. Consult factory before ordering any special valve package components that are not covered in this book. Valve packages are shipped wi...
Page 44 - VERTICAL FLOOR UNITS — 42VA, VC; Pipe to connections extending from end of unit.; VERTICAL UNITS — 42DD; Pipe to stub connections extending from side of unit.; or; into optional piping compartment. Optional piping compart-
44 Fig. 42 — Piping Connection Positions Hydronic Coil Arrangement Field Piping Connections* VERTICAL FLOOR UNITS — 42VB, VE, VF Pipe into cabinet end compartment (opening in bottom andback). VERTICAL FLOOR UNITS — 42VA, VC Pipe to external connections (no cabinet). CEILING UNITS (EXPOSED) — 42CG, C...
Page 45 - Fig. 43 — Symbols and Placement of Valves
45 Fig. 43 — Symbols and Placement of Valves Coil Connections (Positions A & B) — When isolation valve only is added to supply or return line, the isolation valve will be factory brazed to the coil stub-out. Addition of any other component or connection to the supply or return line will changeth...
Page 46 - Fig. 44 — Two-Way Motorized Control Valve Package; Electric Heat
46 BALL VALVE GATE SHUT OFF (1) GATE(1) BALL(1) 2-WAY MOTORIZED R S COIL BALL VALVE BALL VALVE (2) BALL(1) BALANCING(1) 2-WAY MOTORIZED R S COIL CIRCUIT SETTER BALL VALVE (1) BALL(1) CIRCUIT SETTER(1) 2-WAY MOTORIZED R S COIL MOTORIZED 2-WAY VALVE A BYPASS BALANCINGVALVE A MOTORIZED 2-WAY VALVE BYPA...
Page 47 - COIL; Fig. 46 — Three-Way Motorized Control Valve Package
47 CIRCUIT SETTER (1) BALL(1) CIRCUIT SETTER(1) 3-WAY MOTORIZED COIL BALL VALVE GATE SHUT OFF VALVE (1) GATE(1) BALL(1) 3-WAY MOTORIZED R S COIL BALL VALVE BALL VALVE (2) BALL(1) BALANCING(1) 3-WAY MOTORIZED R S COIL MOTORIZED 3-WAY VALVE BYPASS BALANCINGVALVE MOTORIZED 3-WAY VALVE BYPASS (1) BALL(1...
Page 48 - Fig. 47 — Valve Package without Motorized Control
48 WITH HAND VALVES ONLY BALL VALVE BALL VALVE (2) BALL R S COIL BALL VALVE GATE SHUT OFF VALVE (1) BALL(1) GATE R S COIL BALL VALVE BALL VALVE (2) BALL(1) BALANCING R S COIL BALL VALVE (1) BALL(1) CIRCUIT SETTER R S COIL BALL VALVE BALL VALVE (2) BALL(1) 2-WAY MOTORIZED R S COIL BALL VALVE (WITH ME...
Page 49 - Fig. 48 — Typical Drain Line Details; CAUTION
49 42C,D,V DRAIN CONNECTIONS — Install drain line in accordance with all applicable codes. A continuous pitch of 1 in. per 10 ft of condensate drain line run is necessary for adequate condensate drainage. Insulate the drain line to prevent sweating. Extend the drain line straight from the drain pan ...
Page 50 - Table 5 — Piping Components; LEGEND; Cv —; Coefficient of Velocity; DX —; Direct Expansion
50 Table 5 — Piping Components LEGEND *Check all system component pressure ratings (coils, values, pumps, etc.) with manufacturer and any applicable local or nationalpiping codes prior to specifying system pressure rating. NOTES: 1. Motorized 2-way valves have a maximum close-off differential of 25 ...
Page 51 - DESCRIPTION
51 Table 5 — Piping Components (cont) LEGEND *Check all system component pressure ratings (coils, values, pumps, etc.) with manufacturer and any applicable local or nationalpiping codes prior to specifying system pressure rating. NOTES: 1. Motorized 2-way valves have a maximum close-off differential...
Page 52 - Clean
52 Table 5 — Piping Components (cont) LEGEND *Check all system component pressure ratings (coils, values, pumps, etc.) with manufacturer and any applicable local or nationalpiping codes prior to specifying system pressure rating. NOTES: 1. Motorized 2-way valves have a maximum close-off differential...
Page 54 - Fig. 49 — Copper Water Tube and Joint Material Pressure Ratings; JOINT MATERIALS; THE ABOVE CHART IS FOR; Check all system component
54 Fig. 49 — Copper Water Tube and Joint Material Pressure Ratings NOTES: 1. Not recommended for high system water pressures.2. Standard factory joint material. JOINT MATERIALS 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...
Page 55 - Step 3 — Make Electrical Connections —; Fig. 50 — Manual Fan Control; means and overload protection as required.
55 Step 3 — Make Electrical Connections — 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 appl...
Page 56 - Fig. 51 — Thermostatic Fan Control; Fig. 52 — Thermostatic Fan Control
56 Thermostatic Fan Control, 2-Pipe Systems — The thermo- stat cycles the fan on and off from any selected speed setting to maintain selected room temperature. Controls can be wired for heating-only, cooling-only or for heating/cooling by the addi- tion of an automatic changeover device that senses ...
Page 57 - Automatic Changeover — Unit-Mounted Thermostat (Line Voltage); 20-V WHT ALL OTHERS BLK
57 Fig. 53 — 42SG,SH,SJ,VA,VB,VC,VE,VF 2-Pipe Heating and Cooling with Automatic Changeover — Unit-Mounted Thermostat (Line Voltage) a42-4060 120-V WHT ALL OTHERS BLK NEC CLASS 1 WIRING UNIT MOUNTED J BOX EQUIPMENT GROUND L2 or N L1 THERMOSTAT PART # 702893-36 MED W/RED HI W/ORG L1 BLK LOW W/BRN H...
Page 58 - NEC CLASS 2 WIRING
58 Fig. 55 — 42SG,SH,SJ,VA,VB,VF 2-Pipe Heating and Cooling with Automatic Changeover — Unit-Mounted Debonair ® Thermostat (24-v), Duct Sensor a42-4059 Fig. 56 — 42C,S,V (except VG), and 42D (600-1000 cfm) 2-Pipe Heating and Cooling with Automatic Changeover — Remote/Wall-Mounted Debonair ® Thermost...
Page 60 - Unit-Mounted Debonair
60 Fig. 58 — 42C,S,V (except VG), and 42D (600-1000 cfm) 2-Pipe Heating and Cooling with Auxiliary Heat — Remote/Wall-Mounted Thermostat (Line Voltage) and Dual Power Source UNIT MOUNTED J BOX EQUIPMENT GROUND L2 or N L1 THERMOSTAT PART # 702893-36 W/RED HI W/ORG L1 BLK LOW W/BRN HEA T RED COOL BLU ...
Page 61 - Auxiliary Heat — Remote/Wall-Mounted Debonair
61 Thermostat 2-Pipe Total Electric Heat with Valve Con- trol — With 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 possible, just as with 4-pipe systems, to have heating or cooling a...
Page 66 - not; Prevent dust and debris from settling in unit
66 Step 4 — Make Duct Connections — Install all ductwork to and from unit in accordance with all applicable codes. Duct construction must allow unit to operate within duct external static pressure limits as shown on job submittals. Units designed to operate with ductwork may be damaged if operated w...
Page 71 - I. Project Information
CL-1 START-UP CHECKLIST FOR 42C,D,S,V SERIES FAN COIL AIR CONDITIONERS I. Project Information Job Name _______________________________________________________________________ Address ________________________________________________________________________ City _______________________________________...
Carrier 58CTA09010016
User Manual