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22

Unit must be powered to perform the following procedure. Set the

electrical multimeter to VDC. Attach black negative (–) lead of

meter to the terminal labeled “L2” (shown above the potentiome

-

ters). Attach the RED positive (+) lead of the meter to the terminal

labeled “L1” and confirm that there is approximately 5 to 10 vdc

present.

Attach the RED positive (+) lead of the meter to the DC OUT

-

PUTS. LOW, MED, and HIGH are typically connected together.

1. Close either the LOW, MED, or HIGH speed relay contacts

by applying  24 VAC  to the corresponding LOW, MED  or

HIGH 24 VAC INPUT and COM.

2. Measure voltage at the DC OUTPUTS and adjust the potenti

-

ometer for that speed. (VR1 LOW, VR2 MED, VR3 HIGH)

3. In order to achieve higher CFM, turn the potentiometer clock

-

wise.

NOTE:  For  specific  voltages  adjustment  please  contact  Carrier

factory representative.

When the 42DH/DV unit is ordered with Proportional Control, no

control board is required, and no field adjustments are possible.

Motor uses a 0-10 VDC signal directly. See control box label. Fan

enabled at 1.5 VDC. Turning the voltage past the setting for high

speed may introduce the risk of condensate blow off.

Water Balancing System

A  complete  knowledge  of  the  hydronic  system,  along  with  its

components and controls, is essential to proper water system bal

-

ancing.  This  procedure  shall  not  be  attempted  by  unqualified

personnel.  The  system  must  be  complete,  and  all  components

must be in operating condition BEFORE beginning water system

balancing operations.

Each  hydronic  system  has  different  operating  characteristics

depending on the devices and controls used in the system. The

actual balancing technique may vary from one system to another.

After the proper system operation is established, record the appro

-

priate system operating conditions such as various water tempera

-

tures and flow rates in a convenient place for future reference.

Before, and during water system balancing, conditions may exist

due to incorrect system pressures which may result in noticeable

water noise or undesirable valve operation. After the entire system

is balanced, these conditions will not exist on properly designed

systems.

Table 5 — 

Motor Performance Data (Full Load Amps)

NOTES:

1. Motor Full Load amps refer to National Electric Code (NEC) amps;

actual motor nameplate amps may vary.

2. Motors  are  UL  recognized,  constant  speed  brushless  DC  type,

open drip proof, ball bearing, multi-voltage options, 0-10v control.

Table 6 — 

Single Phase Electric Heater Availability

LEGEND

NOTES:

1. Electric Heating Capacities BTUh)=Heater kW x 3413.

2. Electric Heater Amperage for Single-phase Power = (Heater kW x

1000)/Applied Voltage.

MOTOR TYPE

VOLTAGE

42DH/DV UNIT SIZE

06, 10

08, 12, 16, 20

22

30

MOTOR HORSEPOWER AND FLA (HP)

1/2

1

1-1/2

3

1-PHASE

SINGLE SPEED

STANDARD 

EFFICIENCY

115v/1-PHASE/50-60 Hz

6.40

10.70

N/A

N/A

208v/1-PHASE/50-60 Hz

3.80

6.30

N/A

N/A

230v/1-PHASE/50-60 Hz

3.60

5.80

N/A

N/A

277v/1-PHASE/50-60 Hz

3.20

5.10

N/A

N/A

3-PHASE

SINGLE SPEED

STANDARD 

EFFICIENCY

208v/3-PHASE/50-60 Hz

2.00

3.70

4.4

8.9

230v/3-PHASE/50-60 Hz

1.85

3.30

4.4

8.9

460v/3-PHASE/50-60 Hz

1.00

1.75

2.2

4.4

kW

ELECTRIC HEATER AMPS

42DH/DV UNIT SIZE (HEATER STAGES)

SINGLE PHASE 

(1 OR 2 STAGE)

06

08

10

12

16

20

120v

208v

240v

277v

1 stg

2 stg

1 stg

2 stg

1 stg

2 stg

1 stg

2 stg

1 stg

2 stg

1 stg

2 stg

1.0

8.3

4.8

4.2

3.6

X

X

1.5

12.5

7.2

6.3

5.4

X

X

X

X

2.0

16.7

9.6

8.3

7.2

X

X

X

X

2.5

20.8

12.0

10.4

9.0

X

X

X

X

X

3.0

25.0

14.4

12.5

10.8

X

X

X

X

X

X

X

X

X

X

3.5

29.2

16.8

14.6

12.6

X

X

X

X

X

X

X

X

X

X

X

X

4.0

33.3

19.2

16.7

14.4

X

X

X

X

X

X

X

X

X

X

X

X

4.5

37.5

21.6

18.8

16.2

X

X

X

X

X

X

X

X

X

X

X

X

5.0

24.0

20.8

18.1

X

X

X

X

X

X

X

X

X

X

X

X

6.0

28.8

25.0

21.7

X

X

X

X

X

X

X

X

X

X

X

X

7.0

33.7

29.2

25.3

X

X

X

X

X

X

X

X

X

X

8.0

38.5

33.3

28.9

X

X

X

X

X

X

X

X

X

X

9.9

35.7

X

X

X

X

X

X

X

X

12.0

43.3

X

X

X

X

X

X

X — Available Option

— — Not Available

Содержание 42DH

Страница 1: ...ns and have a fire extinguisher available Read these instructions thoroughly and follow all warnings or cautions attached to the unit Consult local building codes and appropriate national electrical c...

Страница 2: ...ity for per sonal injury or property damage resulting from improper or unsafe practices during the handling installation service or operation of any equipment CAUTION Disconnect all power prior to any...

Страница 3: ...confirm incoming and control power requirements match available power source Refer to unit nameplate and wiring diagram 1 Review all tags on unit to determine if shipping screws are to be removed Rem...

Страница 4: ...rnished and Installed 5 8 Knockouts For Suspension rods 4 Places top and 4 places Bottom of unit Threaded rod suspension Field Furnished and installed Trapeze Recommended on Unit size 30 Minimum Recom...

Страница 5: ...nces Top View 29 In Minimum Recommened Clearance 29 In Minimum Recommened Clearance 29 In Minimum Recommened Clearance Filter Piping Package For drain pan or coil removal the recommended clearance sho...

Страница 6: ...ouble wall cabi net construction For a different coil and cabinet options use the weight correction factor table Table 1 Total Unit Weight Adjustment NOTES 1 Unit weights shown in pounds 10 are based...

Страница 7: ...Fig 8 All hardware required for assembly is included and the base rails are letter coded for ease of assembly See Fig 9 Fig 8 Base Rails Fig 9 Letter Coding on Base Rail Parts PLACE UNIT ON THE BASE...

Страница 8: ...mixing box with supplied No 8 x 1 2 in sheet metal screws two per side See Fig 12 For bottom entering configurations length adjustments to the bot tom damper shaft may need to be completed prior to fi...

Страница 9: ...lter access panel See Fig 14 Fig 14 Optional Mixing Box 3 76 A C 2 4 61 4 102 H 2 4 61 3 76 1 25 2 51 2 51 W B Top Views BTM Rear Inlet 42DH Top Rear Inlet 42DH Top Front Inlet 42DV W 4 102 2 4 61 C 1...

Страница 10: ...rence at any point during travel Tighten rod clamp of swivel onto each damper rod Fig 17 Install Damper 7 Confirm correct operation of dampers Adjust as needed Tighten remaining fasteners Step 3 Conne...

Страница 11: ...5 1 2 0 625 1 2 0 625 16 22 1 1 125 1 1 125 1 1 125 1 1 125 1 2 0 625 30 1 1 2 1 625 1 1 2 1 625 1 1 2 1 625 1 1 2 1 625 1 2 1 625 HR CR CS HS Return Air Drain LH TELL TALE RH TELL TALE LEGEND 2 Verti...

Страница 12: ...16 1 LH 10 5 8 7 3 4 12 9 5 8 7 RH 13 3 8 9 5 8 7 2 12 7 16 3 8 13 5 8 10 3 8 7 9 16 6 7 3 4 15 5 8 8 1 8 1 LH 10 5 8 7 3 4 12 11 13 16 9 3 16 RH 13 3 8 11 13 16 9 3 16 2 12 7 16 3 8 13 5 8 12 1 2 9 3...

Страница 13: ...06 12 0 375 1 4 3 4 0 875 1 2 0 625 1 2 0 625 16 22 0 375 1 4 1 1 125 1 1 125 1 2 0 625 30 0 625 1 2 1 1 2 1 625 1 1 2 1 625 1 1 2 1 625 LEGEND HR HS SL LL Return Air Drain LH TELL TALE RH TELL TALE N...

Страница 14: ...1 2 2 3 4 6 1 4 5 1 8 17 1 8 3 3 4 2 5 8 2 5 8 6 2 4 4 7 8 3 1 4 3 1 4 6 16 4 6 1 2 7 1 8 12 1 2 2 3 4 6 1 4 5 1 8 17 1 8 3 3 4 2 5 8 2 5 8 6 2 4 6 3 8 10 13 5 8 6 6 8 4 1 8 2 5 8 6 20 22 4 6 1 2 7 1...

Страница 15: ...WIDTH HEIGHT SUPPLY DUCT RETURN DUCT MOUNTING HOLES AUX CTRL BOX M A B C D E F G J K L 06 9 x 6 36 28 19 3 4 8 7 8 10 7 8 13 3 4 2 1 4 24 1 4 14 2 3 4 27 1 4 35 1 4 5 3 4 2 08 9 x 6 36 28 19 3 4 8 7...

Страница 16: ...tors and or cabinet lighting option not required with low voltage 0 10v controls UNIT SIZE FAN SIZE DEPTH UNIT DEPTH WIDTH HEIGHT SUPPLY DUCT RETURN DUCT MIX BOX MOUNTING HOLES AUX CTRL BOX M A B C D...

Страница 17: ...g UNIT SIZE FAN SIZE DEPTH WIDTH HEIGHT SUPPLY DUCT FLANGE RETURN DUCT FLANGE AUX CTRL BOX UNIT SIDE TO DUCT FLANGE UNIT BOTTOM TO DUCT FLANGE A B C E F L M N 06 9 x 6 20 28 36 1 2 8 7 8 10 7 8 15 1 8...

Страница 18: ...field installation of actuator Kit consists of 2 crank arms 2 swivels and either a 25 in sizes 06 16 or 34 in sizes 20 30 length of 5 16 in rod 10 Add 2 in if using a prefilter or 4 in filter UNIT SIZ...

Страница 19: ...ld wiring shall be made in compliance with all governing codes and ordinances Compliance with all codes is the responsibility of the installing contractor All components furnished for field installati...

Страница 20: ...sible before beginning any system balancing Cooling Heating System Prior to the water system start up and balancing flush the chilled hot water systems to clean out dirt and debris which may have coll...

Страница 21: ...tronically Commutated Motors ECM constant speed brushless DC which are easily adjustable in the field for desired performance Motors are pre programmed for constant speed mode 1 2 HP and 1 HP motors h...

Страница 22: ...low rates in a convenient place for future reference Before and during water system balancing conditions may exist due to incorrect system pressures which may result in noticeable water noise or undes...

Страница 23: ...air through the coil fins from the leaving air face This should again be followed by vacuuming Units equipped with regularly replaced air filters will require less frequent coil cleaning Electric Res...

Страница 24: ...ed main drain line by flow from tell tale connection Should algae and or bacteria growth become a concern con sult an air conditioning and refrigeration supply organization familiar with local conditi...

Страница 25: ...Detail Y Detail Y Filter Support Angle Bracket Filter Support Angle Bracket 1 Filter Slot 2 Filter Slot D See Detail Y See Detail X Detail X Detail Y Magnets C 2 Filter 1 Filter 4 Filter B A D 2 Filt...

Страница 26: ...h Control Board Fig B No Electric Heat Three Phase Power with Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM attached to the unit WARNING Wiring d...

Страница 27: ...WIRING DIAGRAM EXAMPLES cont Fig C Single Element Heater Single Stage Heat Single Phase Power with Control Board WARNING Wiring diagrams are pro vided as an example only ALWAYS refer to WIRING DIAGRAM...

Страница 28: ...28 Fig D Two Element Heater Single Stage Heat Single Phase Power with Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM attached to the unit...

Страница 29: ...CAL WIRING DIAGRAM EXAMPLES cont Fig E Two Element Heater Two Stage Heat Single Phase Power with Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM at...

Страница 30: ...30 Fig F Three Element Heater Single Stage Heat Three Phase Power with Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM attached to the unit...

Страница 31: ...AL WIRING DIAGRAM EXAMPLES cont Fig G Six Element Heater Single Stage Heat Three Phase Power with Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM a...

Страница 32: ...32 Fig H Six Element Heater Two Stage Heat Three Phase Power with Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM attached to the unit...

Страница 33: ...L WIRING DIAGRAM EXAMPLES cont Fig I Nine Element Heater Single Stage Heat Three Phase Power with Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM a...

Страница 34: ...34 Fig J Nine Element Heater Two Stage Heat Three Phase Power with Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM attached to the unit...

Страница 35: ...Power with Control Board Fig L No Electric Heat Single Phase Power without Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM attached to the unit WA...

Страница 36: ...Board Fig N Single Element Heater Single Stage Heat Single Phase Power without Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM attached to the unit...

Страница 37: ...L WIRING DIAGRAM EXAMPLES cont Fig O Two Element Heater Two Stage Heat Single Phase Power without Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM a...

Страница 38: ...38 Fig P Three Element Heater Single Stage Heat Three Phase Power without Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM attached to the unit...

Страница 39: ...WIRING DIAGRAM EXAMPLES cont Fig Q Six Element Heater Single Stage Heat Three Phase Power without Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM...

Страница 40: ...40 Fig R Six Element Heater Two Stage Heat Three Phase Power without Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM attached to the unit...

Страница 41: ...WIRING DIAGRAM EXAMPLES cont Fig S Nine Element Heater Single Stage Heat Three Phase Power without Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM...

Страница 42: ...42 Fig T Nine Element Heater Two Stage Heat Three Phase Power without Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM attached to the unit...

Страница 43: ...WIRING DIAGRAM EXAMPLES cont Fig U Nine Element Heater Three Stage Heat Three Phase Power without Control Board WARNING Wiring diagrams are provided as an example only ALWAYS refer to WIRING DIAGRAM...

Страница 44: ......

Страница 45: ......

Страница 46: ...the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53420022 01 Printed in U S A Form 42DHV 2SI Pg 46 1 22 Replaces...

Страница 47: ...Y N __________ ARE FURNISH ONLY PARTSACCOUNTED FOR Y N __________ IS THE UNIT ARRANGEMENT HAND CORRECT Y N __________ IS THE UNIT STRUCTURAL SUPPORT COMPLETEAND CORRECT Y N __________ Handling and Ins...

Страница 48: ...YTRAP IS DEEP ENOUGH __________ PRIME THE TRAPWITH WATER __________ CHECK SUPPLYAND RETURN WATER CONNECTIONS FOR LEAKS __________ FILL SYSTEMS WITH WATER REFRIGERANT __________ OPENAIR VENT ON TOP OF...

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