Carrier AQUAZONE 50VS Installation And Service Instructions Manual Download

Page: 13 / 24

Step 6 — Wire Field Power Supply
Connections

ELECTRICAL–LINE VOLTAGE — All field-installed wir-

ing, including electrical ground, must comply with the National

Electrical Code (NEC) as well as all applicable local codes. Re-

fer to Tables 4 and 5 for fuse sizes. Refer to Table 6 for blower

speed wiring. See Fig. 10 for field connections or the electrical

diagram located on the back of the electrical compartment front

panel. All electrical connections must be made by the installing

(or electrical) contractor. All final electrical connections must

be made with a length of flexible conduit to minimize vibration

and sound transmission to the building.
General Line Voltage Wiring — Be sure the available

power is the same voltage and phase shown on the unit

serial plate. Line and low voltage wiring must be done in

accordance with local codes or the NEC, whichever is appli-

cable.
POWER CONNECTION
Units Equipped with Disconnect — Connect incoming line

voltage to the disconnect switch and ground wire to the ground

lug provided inside the electrical compartment.
Units without Disconnect — Line voltage connection is made

by connecting the incoming line voltage wires to the line

side(s) of the contactor.
208/230-VAC OPERATION — All commercial 208/230-v

units are factory wired for 208-v single-phase operation. For

230-v single-phase operation the primary voltage to the trans-

former must be changed. Remove the red lead from the com-

pressor contactor capping it with a wire nut and connecting the

orange 230-vac lead wire from the transformer to the compres-

sor contactor.
NOTE: Failure to change the primary voltage lead when using

240-vac line voltage may result in electrical component dam-

age and intermittent system failure.

Table 4 — Cabinet Electrical Data — 50VS Unit

LEGEND

Table 5 — Chassis Electrical Data — 50VS Unit

LEGEND

Table 6 — 50VS Unit Blower Performance and Speed Wiring

NOTE: Operation not recommended in shaded area.

WARNING

Electrical shock can cause personal injury or death. When

installing or servicing system, always turn off main power

to system. There may be more than one disconnect switch.

UNIT

SUPPLY

VOLTAGE

V-Hz-Ph

MOTOR

VOLTAGE

V-Hz-Ph

FAN MOTOR

FLA (A)

MOTOR POWER (W)

MIN CIRCUIT

AMP

MAX FUSE SIZE (A)

50VSA,B

208/230-1-60

0.30

130

6.2

50VSC,D

208/230-1-60

0.40

142

8.3

50VSE,F

208/230-1-60

0.88

180

13.3

50VSG,H

208/230-1-60

1.18

240

13.6

50VSI,J

208/230-1-60

1.60

304

15.1

50VSK,L

208/230-1-60

1.80

368

22.4

50VSM,N

208/230-1-60

2.06

442

25.3

FLA

—

Full Load Amps

UNIT

SUPPLY

VOLTAGE

V-Hz-Ph

MIN

CIRCUIT

AMP

MAX FUSE

SIZE

(A)

COMPRESSOR

(LRA)

COMPRESSOR

(RLA)

COOLING

CURRENT

(A)

MAX COOLING

CURRENT

(A)

HEATING

CURRENT

(A)

MAX HEATING

CURRENT

(A)

50VSA,B

208/230-1-60

6.2

4.7

3.27

4.0

3.75

4.60

50VSC,D

208/230-1-60

8.3

6.3

4.40

4.0

5.25

6.25

50VSE,F

208/230-1-60

13.3

9.9

6.30

5.4

7.07

8.80

50VSG,H

208/230-1-60

13.6

9.9

6.70

7.6

7.50

9.00

50VSI,J

208/230-1-60

15.1

10.8

8.20

8.0

9.20

11.70

50VSK,L

208/230-1-60

22.4

16.5

11.00

10.4

12.20

14.10

50VSM,N

208/230-1-60

25.3

18.6

12.70

16.0

13.65

16.50

LRA

—

Locked Rotor Amps

RLA

—

Rated Load Amps

UNIT

FAN SPEED

AND WIRING

RATED

CFM

MIN

CFM

EXTERNAL STATIC PRESSURE (in. wg)

0.01

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0.45

0.5

50VSA,B

LOW (Black)

360

260

361

358

341

321

294

268

235

177

HI (Blue)

316

310

294

278

262

233

206

50VSC,D

LOW (Blue)

420

300

424

421

398

376

350

315

280

240

HI (Red)

361

358

341

321

305

50VSE,F

LOW (Black)

540

390

551

549

535

521

509

490

476

460

441

420

400

HI (Blue)

470

465

455

439

428

412

397

50VSG,H

LOW (Blue)

630

455

626

622

604

592

577

561

548

530

513

495

476

HI (Red)

551

549

535

521

509

490

476

460

50VSI,J

LOW (Orange)

820

600

821

817

814

812

802

790

775

747

684

654

621

HI (Brown)

768

765

762

759

751

742

722

683

653

625

50VSK,L

LOW (Black)

1080

780

1081

1075

1070

1049

1024

931

880

843

801

HI (Blue)

956

951

942

928

911

835

809

50VSM,N

LOW (Blue)

1220

850

1222

1219

1194

1160

1129

1088

1057

1017

961

HI (Red)

1102

1096

1091

1070

1044

949

897

860



311

Summary of Contents for AQUAZONE 50VS

Page 1: ... use can cause explosion fire electrical shock or other conditions which may cause personal injury or property damage Consult a qualified installer service agency or a local distributor or branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the individ ual instructions packaged with the kits or ...

Page 2: ...units quickly becomes clogged with construction dirt and debris which may cause system damage UNIT 50VSA B 50VSC D 50VSE F 50VSG H 50VSI J 50VSK L 50VSM N COOLING CAPACITY Btuh 9 200 11 700 16 500 18 000 22 500 28 500 32 700 HEATING CAPACITY Btuh 12 500 16 000 22 500 24 500 31 000 38 000 45 000 CABINET WEIGHT lb 120 170 CHASSIS WEIGHT lb 99 105 119 122 187 198 205 COMPRESSOR 1 each Rotary Scroll H...

Page 3: ...RISERS AIR COIL DRAIN PAN CONTROL BOX ACCESS OPTIONAL AUTO FLOW REGULATOR LOCATION CONDENSATE DRAIN PAN A A 2 1 2 2 1 2 FACTORY INSTALLED SUPPLY AND RETURN FEEDERS WITH BALL VALVES AIR COIL ACOUSTICAL INSULATION a50 8295 UNIT DIMENSION A in WATER CONNECTION SIZE FPT in COIL CONNECTION SIZE in 50VSA B 18 1 2 1 2 50VSC D 18 1 2 1 2 50VSE F 18 3 4 3 4 50VSG H 18 3 4 3 4 50VSI J 241 4 3 4 3 4 50VSK L ...

Page 4: ... 6 Construction is roll formed aluminum frame and blades 7 Standard finish is powder coated and will be the same color as the return grille 8 Installation of grille on adjacent unit sides may require a duct extension to prevent air bypass around discharge grilles 9 Mounting hardware included DIMENSIONAL DATA Grille Size in Cabinet Height W in H in A in B in C in 16 x 14 STD 157 16 137 16 18 16 8 1...

Page 5: ... Standard finish is powder coated and will be the same color as the return grille 7 Installation of grille on adjacent unit sides may require a duct extension to prevent air bypass around discharge grilles 8 Mounting hardware included DIMENSIONAL DATA Grille Size in Cabinet Height W in H in A in B in C in D in 16 x 14 STD 153 16 133 16 173 4 153 4 N A 47 8 14 x 12 STD 133 16 113 16 153 4 133 4 67 ...

Page 6: ...26 28 58 00 63 15 61 11 24 19 17 68 24 91 2 95 55 35 STANDARD PERIMETER BYPASS ALLEN LOCK REMOVABLE OPTIONAL PERIMETER BYPASS ALLEN LOCK OR KEY LOCK HINGED OPTIONAL LOUVERED ALLEN LOCK REMOVABLE a50 8298 30 38 2 38 ROUGH IN OPENING PLUS 1 4 in a50 8300 a50 8297 NOTE All dimensions are in inches Fig 4 Return Panel and Frame Dimensions 50VSA VSH Units ...

Page 7: ...58 75 27 13 32 28 30 19 61 86 19 68 24 91 58 75 2 95 STANDARD PERIMETER BYPASS ALLEN LOCK REMOVABLE OPTIONAL PERIMETER BYPASS ALLEN LOCK OR KEY LOCK HINGED OPTIONAL LOUVERED ALLEN LOCK REMOVABLE a50 8299 24 38 2 38 ROUGH IN OPENING PLUS 1 4 in a50 8301 a50 8297 NOTE All dimensions are in inches Fig 5 Return Panel and Frame Dimensions 50VSI VSN Units ...

Page 8: ...e units can prevent proper start up and necessitate costly clean up operations Before installing any of the system components be sure to examine each pipe fitting and valve and remove any dirt or foreign material found in or on these components INSPECT UNIT To prepare the unit for installation com plete the procedures listed below 1 Compare the electrical data on the unit nameplate with ordering a...

Page 9: ...y riser copper type size length and insulation thickness are determined by the location of the water source heat pump unit in the building Chilled water and hot water risers are available in Type M Type L copper varying diameters from 3 4 to 21 2 in and with either no insulation 1 2 or 3 4 in thick closed cell foam insulation Condensate risers are available in Type M copper varying diameters from ...

Page 10: ...isers in the pipe chase and shim the cabinet level Plumb risers in two planes to assure proper unit operation and condensate drainage 4 Attach the cabinet assembly to the floor and the building structure on at least two sides using sheet metal angles field provided A field provided base vibration dampen ing pad can be used to help eliminate transfer of any vi bration to the structure If vibration ...

Page 11: ...ping on the plot plan as an aid in avoiding po tential future damage to the installation Piping Installation All earth loop piping materials should be limited to polyethylene fusion only for in ground sections of the loop Galvanized or steel fittings should not be used at any time due to their tendency to corrode All plastic to metal threaded fittings should be avoided due to their potential to le...

Page 12: ...OPEN LOOP AND RECIRCULATING WELL Scaling Potential Primary Measurement Above the given limits scaling is likely to occur Scaling indexes should be calculated using the limits below pH Calcium Hardness Method All N A pH 7 5 and Ca Hardness 100 ppm Index Limits for Probable Scaling Situations Operation outside these limits is not recommended Scaling indexes should be calculated at 150 F for direct u...

Page 13: ...ical shock can cause personal injury or death When installing or servicing system always turn off main power to system There may be more than one disconnect switch UNIT SUPPLY VOLTAGE V Hz Ph MOTOR VOLTAGE V Hz Ph FAN MOTOR FLA A MOTOR POWER W MIN CIRCUIT AMP MAX FUSE SIZE A 50VSA B 208 230 1 60 208 230 1 60 0 30 130 6 2 15 50VSC D 208 230 1 60 208 230 1 60 0 40 142 8 3 15 50VSE F 208 230 1 60 208...

Page 14: ...place with the orange wire 7 Before connecting BacNet or LonWorks card connect com municating thermostat then short J1 2 3 If adding terminating resistance short J1 1 2 BR1 Fan Relay Speed 1 BR2 Fan Relay Speed 2 CC Compressor Contactor CO Condensate Overflow CR Compressor Relay DAT Discharge Air Temperature FP1 Freeze Protection Water Side FP2 Freeze Protection Air Side HP High Pressure Switch LP...

Page 15: ... Flush risers as follows 1 Close shut off valves at each unit on the riser except the shut off valve on the top floor 2 Flush solution through supply riser NOTE The solution passes through the top floor connec tion down the return riser 3 When the building has more than 10 floors connect the supply and return run outs on the top two floors to divide the water flow and reduce pressure drop at the p...

Page 16: ...the return panel perform the following checks a Ensure that fan wheel rotates freely and does not rub against housing If rough handling during ship ping has caused fan wheel to shift adjust as neces sary b Verify that water piping connections to the chassis are complete and that unit service valves which were closed during flushing have been opened c Verify that power between the cabinet and chass...

Page 17: ...RIGHT LEFT FRONT DB DF DK DC DG DA DE DJ DL NA NC NB NO SUPPLY OPENINGS SINGLE SUPPLY TA TJ TE TRIPLE SUPPLY DOUBLE SUPPLY SUPPLY AIR TO ROOM RETURN AIR FROM ROOM Dimension to suit local codes and installer R C S MASTER SLAVE Field supplied and installed piping Cross hoses in slave cabinet 36 in hoses required in slave unit R C S R S LEGEND C Condensate Drain R Return S Supply a50 8302 eps Fig 12 ...

Page 18: ...ntrol board DIP switch settings Table 10 Heat Pump Control Board PCB LEGEND Table 11 BacNet Control Board PCB LEGEND DIP Switch Settings and Operation DIP SWITCH 1 Test Mode Off Normal Mode On Test Mode Test mode is used to speed up the operation sequence of the unit therefore creating a more timely trouble shooting technique All time delays are shorted by 10 times with the exception of the high p...

Page 19: ...or will then verify that the anti short cycling delay has been satisfied Once the anti short cycling delay has been satis fied the compressor and will cycle On The blower will cycle On in high speed 15 seconds after the compressor is cycled On HEATING FIRST STAGE Y1 When the microproces sor receives Y1 at the 24 vac thermostat input connection the unit will proceed with the cooling first stage seq...

Page 20: ...hut down means that the fault still exists and needs to be repaired HIGH PRESSURE LOCKOUT HP The high pressure lockout will occur if the discharge pressure of the compressor exceeds 600 psi The lockout is immediate and has no delay from the time the high pressure switch opens to the lockout Upon lockout the compressor will be deenergized immediately The blower will be deenergized 15 seconds after ...

Page 21: ...ean Care must be taken not to damage the aluminum fins while cleaning Cabinet The cabinet can be cleaned using a mild detergent Do not allow water to stay in contact with the cabi net for long periods of time to prevent corrosion of the cabinet sheet metal Refrigerant System To maintain sealed circuit integ rity do not install service gages unless unit operation appears abnormal Verify that air an...

Page 22: ...ergized The sen sor must be replaced if this lockout occurs If unit performance during any mode appears abnormal re fer to Table 13 Table 13 Troubleshooting LEGEND NOTE Warning LEDs and error codes are found on the system con trol board FAULT DESCRIPTION ERROR CODE COMMTSTAT SYSTEM WARNING FLASH SYSTEM LOCKOUT STEADY ON POSSIBLE FAULT CAUSE LED1 LED2 LED3 LED4 LED1 LED2 LED3 LED4 High Pressure Loc...

Page 23: ...ION BEEN MADE AND IS A TRAP INSTALLED Y N IS AN AIR FILTER INSTALLED Y N II START UP IS FAN OPERATING WHEN COMPRESSOR OPERATES Y N IF 3 PHASE SCROLL COMPRESSOR IS PRESENT VERIFY PROPER ROTATION PER INSTRUCTIONS Y N UNIT VOLTAGE COOLING OPERATION PHASE AB VOLTS PHASE BC VOLTS PHASE CA VOLTS if 3 phase if 3 phase PHASE AB AMPS PHASE BC AMPS PHASE CA AMPS if 3 phase if 3 phase CONTROL VOLTAGE IS CONT...

Page 24: ...LING CYCLE ANALYSIS HEAT OF EXTRACTION ABSORPTION OR HEAT OF REJECTION FLOW RATE GPM x TEMP DIFF DEG F x FLUID FACTOR Btu hr SUPERHEAT SUCTION TEMPERATURE SUCTION SATURATION TEMPERATURE DEG F SUBCOOLING DISCHARGE SATURATION TEMPERATURE LIQUID LINE TEMPERATURE DEG F Use 500 for water 485 for antifreeze SUCTION COMPRESSOR DISCHARGE COAX EXPANSION VALVE F F AIR COIL F PSI WATER OUT WATER IN F PSI F L...

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