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Table 2 — Physical Data — 42V Series Units

*Calculate Operating Weight of Unit: Shipping Coil Water Weight x

Number Of Coil Rows.

†Available in sizes 02-06.

Table 3 — Physical Data — 42D Series Units

*Calculate Operating Weight of Unit: Shipping  Coil Water Weight x Number of Coil Rows.

UNIT SIZE 42V

01

02

03

04

06

08

10

12

NOMINAL AIRFLOW (cfm)

150

200

300

400

600

800

1000

1200

SHIPPING WEIGHT (lb)*
  42VA

42

47

57

77

79

108

127

  42VB

63

68

82

99

101

133

154

  42VC

50

60

72

110

  42VE

72

100

108

154

  42VF

64

69

83

100

102

135

156

  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 (42VA, VB, VF)

12 fins/inch

  FPI (42VC, VE, VG)

10 fins/inch

  Coil Face Area (sq ft)

0.8

0.8

1.1

1.4

1.9

2.3

3.2

3.7

MOTOR (qty)
  42VA, VB, VF

1

1

1

1

1

2

2

  42VC, VE

1

1

1

2

  42VG

1

2

BLOWER (qty)
  42VA, VB, VF

1

1

2

2

2

4

4

  42VC, VE

2

2

2

4

  42VG

1

2

FILTERS
Nominal Size (in.) (1-in. thick)
  42VA, VB, VF

7

3

/

4

 x 21

3

/

4

7

3

/

4

 x 21

3

/

4

7

3

/

4

 x 31

3

/

4

7

3

/

4

 x 41

3

/

4

7

3

/

4

 x 43

3

/

4

7

3

/

4

 x 57

3

/

4

7

3

/

4

 x 65

3

/

4

  42VC, VE

7  x  21

3

/

4

7 x 26

3

/

4

7 x 34

3

/

4

7 x 48

3

/

4

  42VG

10 x 14

1

/

2

10 x 28

  Qty 

1

1

1

1

1

1

1

1

SUPPLY DUCT COLLAR

1-in.

PIPING CONNECTIONS (Sweat) (in.)
  Coil Outlet and Inlet

5

/

8

 OD

  Drain Connection

3

/

4

 MPT

UNIT  SIZE  42D

06

08

10

12

14

16

18

20

NOMINAL AIRFLOW (cfm)

600

800

1000

1200

1400

1600

1800

2000

SHIPPING WEIGHT (lb)*
  42DA

64

79

90

108

119

124

141

151

  42DC

94

107

150

169

174

178

195

220

  42DD

135

145

155

180

190

200

215

230

  42DE

150

160

170

195

205

215

230

235

  42DF

157

167

177

202

215

225

240

255

COIL WATER WEIGHT
(Approx lb per row of coil)

1.3

1.6

1.9

2.3

2.7

3.0

3.4

3.7

COILS
  FPI

10 fins/inch

  Coil Face Area (sq ft)

1.6

2.1

2.5

3.0

3.5

4.1

4.6

5.0

MOTOR (qty)

1

1

1

2

2

2

2

2

BLOWER (qty)

1

1

1

2

2

2

2

2

FILTERS
Nominal Size (in.) (1-in. thick)
  42DA

NA

  42DC

14 x 21

14 x 26

14 x 30

14 x 35

14 x 40

14 x 45

14 x 50

14 x 54

  42DD

(Front Return)

12

3

/

4

 x 21

12

3

/

4

 x 26

12

3

/

4

 x 30

12

3

/

4

 x 35

12

3

/

4

 x 40

12

3

/

4

 x 45

12

3

/

4

 x 50

12

3

/

4

 x 54

(Bottom Return)

12

3

/

4

 x 20

12

3

/

4

 x 25

12

3

/

4

 x 29

12

3

/

4

 x 34

12

3

/

4

 x 39

12

3

/

4

 x 44

12

3

/

4

 x 49

12

3

/

4

 x 53

  42DE

14 x 14

3

/

4

14 x 19

3

/

4

14 x 23

3

/

4

14 x 28

3

/

4

14 x 33

3

/

4

14 x 38

3

/

4

14 x 43

3

/

4

14 x 47

3

/

4

  42DF

14 x 14

14 x 20

14 x 24

14 x 28

14 x 34

 14 x 38

14 x 44

14 x 48

  Qty 

1

SUPPLY DUCT COLLAR

1-in.

PIPING CONNECTIONS
Coil Inlet/Outlet (in. OD)
    1 and 2 Row

5

/

8

5

/

8

5

/

8

5

/

8

5

/

8

5

/

8

5

/

8

5

/

8

    3 Row

5

/

8

5

/

8

7

/

8

7

/

8

7

/

8

7

/

8

7

/

8

7

/

8

    4 Row

7

/

8

7

/

8

7

/

8

7

/

8

7

/

8

1

1

/

8

1

1

/

8

1

1

/

8

    5 Row

7

/

8

7

/

8

7

/

8

7

/

8

1

1

/

8

1

1

/

8

1

1

/

8

1

1

/

8

    6 Row

7

/

8

7

/

8

7

/

8

7

/

8

1

1

/

8

1

1

/

8

1

1

/

8

1

1

/

8

    8 Row

1

1

/

8

1

1

/

8

1

1

/

8

1

1

/

8

1

5

/

8

1

5

/

8

1

5

/

8

1

5

/

8

Summary of Contents for 42VA Series

Page 1: ...equipment location such as a ceiling or elevated structure Only trained qualified installers and service mechanics should install and service this equipment When installing this unit observe precauti...

Page 2: ...n return air plenum UNIT SIZE 42C 02 03 04 06 08 10 12 NOMINAL AIRFLOW cfm 200 300 400 600 800 1000 1200 SHIPPING WEIGHT lb 42CA 36 39 49 59 64 95 107 42CE 55 60 70 82 95 135 154 42CG 98 118 126 168 1...

Page 3: ...in Coil Outlet and Inlet 5 8 OD Drain Connection 3 4 MPT UNIT SIZE 42D 06 08 10 12 14 16 18 20 NOMINAL AIRFLOW cfm 600 800 1000 1200 1400 1600 1800 2000 SHIPPING WEIGHT lb 42DA 64 79 90 108 119 124 1...

Page 4: ...robust materials and presents a rugged appearance Still great care must be taken to assure that no force or pressure is applied to the coil piping or drain stub outs during handling Depending on the...

Page 5: ...0 211 4 311 4 16 13 181 4 61 4 83 4 193 4 1 1 0 83 36 03 300 251 4 361 4 20 14 221 4 61 4 83 4 233 4 1 1 1 08 39 04 400 311 4 431 4 26 15 281 4 61 4 83 4 293 4 2 1 1 35 49 06 600 361 4 431 4 31 10 331...

Page 6: ...rall unit dimension increases by 4 in with optional electric heat 5 Not shown 3 speed fan switch wall plate closed cell foam on main drain pan 6 Units have galvanized finish 7 For optional coil connec...

Page 7: ...nn 7 8 in OD 5 Tell Tale Drain Conn 5 8 in OD optional 6 Drip Lip optional shipped loose 7 Filter 8 Return Duct Collar 1 in 9 Filter Access Panel 10 Access Panel 11 Supply Duct Collar 1 in 12 Air Vent...

Page 8: ...5 Drain Conn 7 8 in OD 6 Strip Heater High Limit 7 Tell Tale Drain Conn 5 8 in OD optional 8 Drip Lip optional shipped loose 9 Filter 10 Return Duct Collar 1 in 11 Filter Access Panel 12 Access Panel...

Page 9: ...16 34 53 4 11 1 1 0 83 98 03 300 42 211 2 101 4 38 53 4 11 1 1 1 08 118 04 400 48 257 8 111 16 44 53 4 11 2 1 1 35 126 06 600 53 345 8 93 16 49 63 4 12 2 1 1 88 168 08 800 60 39 101 2 56 63 4 12 2 1...

Page 10: ...0 and 12 have 2 motors 4 blowers 3 Cabinet has an Arctic White baked finish 4 Refer to supply and return connections above for coil stub out locations 5 Not shown 3 speed fan switch wall plate 1 2 in...

Page 11: ...163 4 77 72 7 4 2 10 x 541 2 227 12 1200 75 60 83 4 77 72 7 4 2 10 x 63 241 LEGEND 1 Junction Box 2 L shape Drip Lip optional shipped loose 3 Chilled Hot Water Supply and Return Connection 4 Resilien...

Page 12: ...wer Motor 02 200 35 16 123 4 37 32 6 1 1 10 x 231 2 117 03 300 35 20 83 4 37 32 6 1 1 10 x 28 122 04 400 41 26 83 4 43 38 6 2 1 10 x 321 2 137 06 600 53 31 153 4 55 50 7 2 1 10 x 37 152 08 800 53 38 8...

Page 13: ...227 12 1200 75 60 83 4 77 72 7 4 2 7 x 52 241 a42 4151 NOTES 1 Right hand unit shown left hand unit opposite 2 Internal factory valve package and drains may not align with cabinet knockouts 3 Dimensio...

Page 14: ...123 4 37 32 6 1 1 7 x 21 117 03 300 35 20 83 4 37 32 6 1 1 7 x 21 122 04 400 41 26 83 4 43 38 6 2 1 7 x 27 137 06 600 53 31 153 4 55 50 7 2 1 7 x 38 152 08 800 53 38 83 4 55 50 7 2 1 7 x 38 157 10 10...

Page 15: ...D E Blower Motor 02 200 35 37 32 1 1 0 83 115 03 300 35 37 32 1 1 1 08 120 04 400 41 43 38 2 1 1 35 135 06 600 53 55 50 2 1 1 88 150 08 800 53 55 50 2 1 2 31 155 10 1000 75 77 72 4 2 3 16 227 12 1200...

Page 16: ...hrough 08 have one motor 2 blowers sizes 10 and 12 have 2 motors 4 blowers 3 Bottom access panel has an Arctic White baked finish 4 Refer to supply and return connections above for coil stub out locat...

Page 17: ...SIZE DIMENSIONS in QTY UNIT UNIT WEIGHT lb A B C D Blower Motor 02 243 16 22 23 16 1 1 42 03 243 16 22 23 18 1 1 47 04 343 16 32 33 26 2 1 57 06 443 16 42 43 36 2 1 77 08 463 16 44 45 38 2 1 79 10 603...

Page 18: ...nts UNIT SIZE DIMENSIONS in QTY UNIT UNIT WEIGHT lb A B C D Blower Motor 02 243 16 22 23 16 1 1 42 03 243 16 22 23 18 1 1 47 04 343 16 32 33 26 2 1 57 06 443 16 42 43 36 2 1 77 08 463 16 44 45 38 2 1...

Page 19: ...MENSIONS in QTY UNIT UNIT WEIGHT lb A B C D E Blower Motor 02 41 22 23 171 4 31 8 1 1 63 03 41 22 23 171 4 31 8 1 1 68 04 51 32 33 26 33 4 2 1 82 06 61 42 43 39 21 4 2 1 99 08 63 44 45 39 31 4 2 1 101...

Page 20: ...ts UNIT SIZE DIMENSIONS in QTY UNIT UNIT WEIGHT lb A B C D E Blower Motor 02 41 22 23 171 4 31 8 1 1 63 03 41 22 23 171 4 31 8 1 1 68 04 51 32 33 26 33 4 2 1 82 06 61 42 43 39 21 4 2 1 99 08 63 44 45...

Page 21: ...NSIONS in QTY UNIT UNIT WEIGHT lb A B C D E Blower Motor 02 41 22 23 171 4 31 8 1 1 64 03 41 22 23 171 4 31 8 1 1 69 04 51 32 33 26 33 4 2 1 83 06 61 42 43 39 21 4 2 1 100 08 63 44 45 39 31 4 2 1 102...

Page 22: ...SIZE DIMENSIONS in QTY UNIT UNIT WEIGHT lb A B C D E Blower Motor 02 41 22 23 171 4 31 8 1 1 64 03 41 22 23 171 4 31 8 1 1 69 04 51 32 33 26 33 4 2 1 83 06 61 42 43 39 21 4 2 1 100 08 63 44 45 39 31...

Page 23: ...60 04 400 36 35 30 2 1 2 08 72 06 600 50 49 44 4 2 3 06 110 NOTES 1 Right hand unit shown left hand unit opposite Coil connection locations are 5 8 inch 2 Unit sizes 02 through 04 have one motor 2 bl...

Page 24: ...1 18 50 03 300 28 27 22 2 1 1 53 60 04 400 36 35 30 2 1 2 08 72 06 600 50 49 44 4 2 3 06 110 NOTES 1 Right hand unit shown left hand unit opposite Coil connection locations are 5 8 inch 2 Unit sizes...

Page 25: ...lter 8 Air Vent 1 8 in MPT 9 Optional Valve Package inside cabinet 10 Drain Pan Auxiliary with 3 4 in MPT Drain Connection 11 Return Air Grille NOTES 1 Right hand unit shown left hand unit opposite Co...

Page 26: ...ille 7 Filter 8 Air Vent 1 8 in MPT 9 Front Panel Fastener 10 Optional Valve Package inside cabinet 11 Drain Pan Auxiliary with 3 4 in MPT Drain Connection 12 Return Air Grille NOTES 1 Right hand unit...

Page 27: ...Unit size 01 has one motor one blower size 03 has 2 motors 2 blowers 5 Unit has 1 2 in flanges for mounting to wall surface 6 Front panel hooks at top of unit swing down and snap in at bottom against...

Page 28: ...Motor Junction Box 2 Motor Blower Assembly 3 Electric Strip Heater Element optional 4 Auxiliary Drip Lip optional shipped loose 5 Tell Tale Drain optional 6 Drain Connection 7 8 in OD 7 Air Vent 1 8 i...

Page 29: ...turn Air Plenum 3 Mounting Clips shipped loose 4 Electrical Strip Heater Element optional 5 Auxiliary Drip Lip shipped loose with 3 8 in Hole 6 Tell Tale Drain optional 7 Drain Connection 7 8 in OD 8...

Page 30: ...A42 4122 NOTES 1 Right hand unit shown left hand unit opposite Coil connection locations are 5 8 inch 2 Standard 4 row coil shown Other coil option dimensional data available on request 3 Sizes 06 08...

Page 31: ...Side Access Panels 5 Electrical Strip Heater Element optional 6 Supply Air Duct Connection 1 in 7 Manual Air Vent 8 Filter Throwaway 1 in 9 Return Air Duct Connection 21 2 in 10 Drain 7 8 in OD 11 Bot...

Page 32: ...ary Drip Lip 5 Electric Strip Heater Element optional 6 Coil Inlet Copper Sweat Connection 7 Coil Outlet Copper Sweat Connection 8 Manual Air Vent 9 Filter Throwaway 10 Bottom Access Panel 11 Drain 7...

Page 33: ...ulation service clearances piping and electrical connections and any necessary ductwork For specific unit dimensions refer to Fig 13 23 Allow clearances according to local and national electric codes...

Page 34: ...and 42DC with bottom inlet may be installed in noncombustible return spaces only 5 Mounting units on the floor a Ensure wall behind the unit is smooth and plumb if necessary install furring strips on...

Page 35: ...drain pan or drip lip This helps minimize field piping insula tion requirements Refer to Fig 34 37 for pipe connection configurations NOTE Chilled water piping determines the hand of the unit Fig 31...

Page 36: ...depending on number of coil rows on factory supplied coil or arrangement of factory supplied valves 42VG 42VG a42 4177 HYDRONIC COIL ARRANGEMENT VERTICAL FLOOR UNITS 42VB VE VF Pipe into cabinet end c...

Page 37: ...package to be used for balancing water flow through the coil When isolation valve ball valve or ball valve with memory stop at position H is used for water flow balancing do not specify additional bal...

Page 38: ...4174 a42 4308 Fig 35 Two Way Motorized Control Valve Package with Aquastat Bleed Bypass Line The 2 way motorized valve motor drives valve open and a spring returns valve to normally closed position no...

Page 39: ...n 3 4 in etc 2 PIPE SYSTEM One Valve Package or 4 PIPE SYSTEM Two Valve Packages Application 2 Pipe Hydronic Heating Only 2 Pipe Hydronic Cooling Only 2 Pipe Hydronic Cooling with Total Electric Heat...

Page 40: ...Valve Package without Motorized Control When isolation valves only are specified they will be brazed to the coil stub outs Check job specifications for system pressure pressure drop limitations and fl...

Page 41: ...evation to ensure continu ous condensate removal Proper steam trap selection and installation is necessary As a guideline in creating a steam trap locate the steam trap dis charge at least 12 in below...

Page 42: ...N A 125 240 NO SWAGE Copper tube end expanded to accept a copper tube of the same size for factory or field brazing Application Used where possible for all tub ing joints for best joint integrity N A...

Page 43: ...system water during normal sys tem operation Should not be used in lieu of main system strainers Strainer screen may have to be removed during initial high pres sure system flushing during start up S...

Page 44: ...way motorized valve except with manual override lever engaged the valve is open to both ports and water flow will take the path of least resistance through the valve pack age not necessarily 100 thro...

Page 45: ...4 0 300 200 N A MODULATING VALVE Requires ETO Spring Return Modulating valves are designed to control the flow in the circuit by making incremental adjustments to the flow path within the valve Appli...

Page 46: ...sed to provide automatic summer or winter changeover for the system When a two pipe cooling heating system with optional auxiliary electric heat is desired an additional aquastat is required Units wit...

Page 47: ...ithout intended ductwork attached Units provided with outside air should have some method of low temperature protection to prevent freeze up This pro tection may be any of several methods such as a lo...

Page 48: ...after start up operations When steady stream of water begins to escape close valve Vent release air slow ly usually dripping water into drain pan in the process Make sure all service valves are open a...

Page 49: ...See Fig 42 and 43 Air System Balancing All duct stubs grilles filters and return access panels must be properly installed to establish actual system operating conditions BEFORE beginning air bal ancin...

Page 50: ...the cooling season to maintain a free flowing condensate Units provided with sec ondary or tell tale drain connection will indicate a clogged main line by flow from the tell tale connection NOTE Shoul...

Page 51: ...ter of the size shown in Tables 1 4 Do not attempt to clean and reuse disposable filters If the replace ment filters are not purchased from the factory the filters used should be the same type and siz...

Page 52: ...otentiometer and to the left of the orange relay 5 Attach the red positive lead of the meter to the red wire that bridges the 0 10 vdc outputs high medium and low 6 High Speed Close high speed relay b...

Page 53: ...below the status light 5 Attach the red positive lead of the meter to the high speed Flo1 terminal below the potentiometer 6 High Speed Using a small screwdriver turn the Flo1 po tentiometer so the m...

Page 54: ...rsion Typ ical 42CEA03 Rear Return Unit Shown in Pic tures Below 1 Remove filter and access panel 2 Install access panel on the rear of the unit with 5 screws 3 Bend the tabs on each of the plenum sid...

Page 55: ...3 Remove access panel 4 Install access panel on the rear of the unit 5 Install duct collar assembly 6 Slide the filter in the duct collar opening and install filter bracket Conversion is complete To...

Page 56: ......

Page 57: ......

Page 58: ...right to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53420011 01 Printed in U S A Form 42 6SI Pg 58 11 17 Replaces 42 5SI...

Page 59: ...an rotation 7 Unit mounted level and square 39 Record electrical supply voltage 8 Proper access provided for unit and accessories 40 Record ambient temperatures 9 Proper electrical service provided 41...

Page 60: ..._________________________________________________________ ______________________________________________________________________________________________________________________________________________...

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