background image

21

Ta

bl

e

4

D

ry

C

oil

A

ir

D

eliv

ery

C

F

M

*

--

H

orizo

nt

al

D

isch

arg

e

--

U

ni

t5

0V

T

--A

24

--6

0

Un

it

M

ot

or

S

peed

Wi

re

C

olo

r

E

xte

rn

al

Stati

c

Pr

es

su

re

(i

n

W

.C

)

0.

1

0.

2

0.

3

0.

4

0.

5

0.

6

0.

7

0.

8

0.

9

50V

T-

A

24

Lo

w

Bl

ue

cf

m

754

650

536

429

---

---

---

---

---

Me

d-

Lo

w

Pi

nk

cf

m

851

777

675

591

475

---

---

---

---

Me

di

um

1

Re

d

cf

m

941

851

774

684

576

479

---

---

---

Me

d-

Hi

gh

Or

an

ge

cf

m

1009

917

840

759

667

577

447

---

---

Hi

gh

Bl

ac

k

cf

m

1241

1167

1111

1036

969

881

818

731

640

50V

T-

A

30

Lo

w

Bl

ue

cf

m

741

638

547

415

---

---

---

---

---

Me

d-

Lo

w

Pi

nk

cf

m

973

887

823

733

665

538

451

---

---

Me

di

um

Re

d

cf

m

1088

1023

954

881

800

723

658

563

461

Me

d-

Hi

gh

1

Or

an

ge

cf

m

1140

1064

996

915

840

758

687

564

480

Hi

gh

Bl

ac

k

cf

m

1202

1140

1082

1015

961

881

810

732

631

50V

T-

A

36

Lo

w

Bl

ue

cf

m

1176

1121

1079

1019

974

920

877

826

754

Me

d-

Lo

w

Pi

nk

cf

m

1295

1234

1182

1126

1075

1016

955

898

857

Me

di

um

1

Re

d

cf

m

1345

1282

1235

1194

1140

1095

1027

974

921

Me

d-

Hi

gh

Or

an

ge

cf

m

1505

1452

1413

1358

1323

1282

1234

1169

1130

Hi

gh

Bl

ac

k

cf

m

1705

1643

1607

1568

1518

1483

1448

1404

1360

50V

T-

A

42

Lo

w

Bl

ue

cf

m

1295

1234

1182

1126

1075

1016

955

898

857

Me

d-

Lo

w

Pi

nk

cf

m

1345

1282

1235

1194

1140

1095

1027

974

921

Me

di

um

Re

d

cf

m

1505

1452

1413

1358

1323

1282

1234

1169

1130

Me

d-

Hi

gh

1

Or

an

ge

cf

m

1545

1492

1449

1411

1362

1313

1278

1231

1188

Hi

gh

Bl

ac

k

cf

m

1705

1643

1607

1568

1518

1483

1448

1404

1360

50V

T-

A

48

Lo

w

Bl

ue

cf

m

1430

1374

1327

1267

1223

1176

1127

1061

1016

Me

d-

Lo

w

Pi

nk

cf

m

1445

1389

1341

1281

1236

1189

1139

1072

1027

Me

di

um

1

Re

d

cf

m

1678

1635

1602

1558

1513

1474

1438

1404

1349

Me

d-

Hi

gh

Or

an

ge

cf

m

2131

2088

2065

2013

1982

1941

1888

1860

1785

Hi

gh

Bl

ac

k

cf

m

2461

2409

2339

2286

2192

2140

2062

1968

1874

50V

T-

A

60

Lo

w

Bl

ue

cf

m

1445

1389

1341

1281

1236

1189

1139

1072

1027

Me

d-

Lo

w

Pi

nk

cf

m

1678

1635

1602

1558

1513

1474

1438

1404

1349

Me

di

um

1

Re

d

cf

m

1962

1915

1880

1843

1794

1753

1711

1675

1628

Me

d-

Hi

gh

Or

an

ge

cf

m

2131

2088

2065

2013

1982

1941

1888

1860

1785

Hi

gh

Bl

ac

k

cf

m

2461

2409

2339

2286

2192

2140

2062

1968

1874

*

Air

de

liv

er

y

va

lu

es

ar

e

w

ith

ou

ta

ir

fil

te

ra

nd

ar

e

fo

rd

ry

co

il

(S

ee

50

VT

---

A

W

et

C

oil

Pr

essu

re

D

ro

p

Ta

bl

e)

.

1

Fa

ct

or

y-

--s

hi

pp

ed

co

oli

ng

/h

ea

tp

um

p

he

at

ing

sp

ee

d

NO

TE

:D

ed

uc

tf

ie

ld

---

su

ppl

ie

d

ai

rf

ilt

er

pr

es

su

re

dr

op

an

d

w

et

co

il

pr

es

su

re

dr

op

to

ob

ta

in

ex

te

rn

al

st

at

ic

pr

es

su

re

av

ai

la

bl

e

fo

rdu

cti

ng.

S

ha

de

d

ar

ea

s

ind

ic

at

e

sp

ee

d/

st

at

ic

co

m

bi

na

tio

ns

tha

ta

re

no

tp

er

m

itt

ed

fo

rd

ehum

id

ifi

ca

tio

n

sp

ee

d.

Not

e:

D

ed

uc

t10%

fo

r208

vol

top

er

at

io

n.

Ta

bl

e

5

D

ry

Co

il

Ai

r

D

el

iv

er

y

--

Do

wnf

lo

w

Di

sc

ha

rg

e

UN

IT

M

O

TO

R

S

P

EED

WI

R

E

C

O

LO

R

E

XTE

R

N

A

L

ST

A

TI

C

PR

E

S

SU

R

E

(I

N

W

.C

.)

0.

1

0.

2

0.

3

0.

4

0.

5

0.

6

0.

7

0.

8

0.

9

1

50V

T

---

A2

4

Hi

gh

Bl

ac

k

1050

1000

950

900

850

-

-

-

-

-

50V

T

---

A3

0

Hi

gh

Bl

ac

k

1050

1000

950

900

850

-

-

-

-

-

50V

T

---

A3

6

Hi

gh

Bl

ac

k

1775

1710

1670

1630

1580

1540

1505

1460

1415

-

50V

T

---

A4

2

Hi

gh

Bl

ac

k

1775

1710

1670

1630

1580

1540

1505

1460

1415

-

50V

T

---

A4

8

Hi

gh

Bl

ac

k

2530

2445

2380

2325

2250

2155

2080

1965

1880

-

50V

T

---

A6

0

Hi

gh

Bl

ac

k

2530

2445

2380

2325

2250

2155

2080

1965

1880

-

Ta

bl

e

6

H

or

iz

ont

al

and

D

ow

nf

low

Fi

lte

r

Pr

es

su

re

D

rop

Ta

bl

e

(I

N

.W

.C

.)

FI

LT

E

R

SI

ZE

in

.(

mm)

C

OOLIN

G

TO

N

S

ST

A

N

D

A

R

D

C

FM

(SC

FM)

600

700

800

900

1000

1100

1200

1300

1400

1500

1600

1700

1800

1900

2000

2100

2200

600-1400

cf

m

(

12x20x1)

2.0,

2.5

0.05

0.07

0.08

0.09

0.10

0.11

0.13

0.14

0.15

-

-

-

-

-

-

-

-

1200-1800

cf

m

(

14x24x1)

3.0,

3.5

-

-

-

-

-

-

0.07

0.08

0.09

0.10

0.11

0.11

0.12

-

-

-

-

1500-2200

cf

m

(

18x24x1)

4.0,

5.0

-

-

-

-

-

-

-

-

-

0.08

0.10

0.10

0.11

0.12

0.13

0.14

0.15

50V

T

--

A

Содержание COMFORT 50VT-A

Страница 1: ...ndensate Drain Pan 26 Outdoor Fan 26 Electrical Controls and Wiring 26 Refrigerant Circuit 26 Indoor Airflow 26 Metering Devices TXV Piston 26 Pressure Switches 27 Loss of Charge Switch 27 High Pressu...

Страница 2: ...tructions shipped with curb See Fig 4 Install insulation cant strips roofing and flashing Ductwork must be attached to curb IMPORTANT The gasketing of the unit to the roof curb is critical for a water...

Страница 3: ...3 A09410 Fig 2 50VT A24 30 Unit Dimensions 50VT A...

Страница 4: ...4 A09411 Fig 3 50VT A36 60 Unit Dimensions 50VT A...

Страница 5: ...mm B small common base IN mm B large base IN mm C IN mm D IN mm E IN mm F IN mm G IN mm H IN mm Small or Large CPRFCURB010A00 11 279 10 254 14 356 16 406 47 8 1214 32 4 822 2 7 69 30 6 778 46 1 1170 C...

Страница 6: ...adapt to various sizes or kinds of loads 2 Instruction in any special operation or precaution 3 Condition of the load as it relates to operation of the lifting kit such as balance temperature etc Foll...

Страница 7: ...commended 4 Seal insulate and weatherproof all external ductwork Seal insulate and cover with a vapor barrier all ductwork passing through conditioned spaces Follow latest Sheet Metal and Air Conditio...

Страница 8: ...be using a minimum of field supplied 3 4 in PVC or field supplied 3 4 in copper pipe at outlet end of the 2 in 51 mm trap See Fig 9 Do not undersize the tube Pitch the drain tube downward at a slope o...

Страница 9: ...o that they do not interfere with operation of unit A gray wire is standard on 3 phase units for connection to an economizer If an accessory electric heater is installed low voltage leads from heater...

Страница 10: ...1000 10 x 10 254 x 254 1 2 1200 11 x 10 279 x 254 3 4 1400 11 x 10 279 x 254 3 4 1600 11 x 10 279 x 254 1 1750 11 x 10 279 x 254 1 High Pressure Switch psig Cutout Reset Auto 650 15 420 25 Loss of Cha...

Страница 11: ...11 A11002 Fig 12 Connection Wiring Schematics 208 230 1 60 50VT A...

Страница 12: ...12 A11001 Fig 12 Cont Ladder Wiring Schematics 208 230 1 60 50VT A...

Страница 13: ...13 A11006 Fig 13 Connection Wiring Schematics 208 230 3 60 50VT A...

Страница 14: ...14 A11005 Fig 13 Cont Ladder Wiring Schematics 208 230 3 60 50VT A...

Страница 15: ...15 A10195 Fig 14 Connection Wiring Diagram 460 3 60 50VT A...

Страница 16: ...16 A10195 Fig 14 Cont Ladder Wiring Diagram 460 3 60 50VT A...

Страница 17: ...P Checking Cooling and Heating Control Operation Start and check the unit for proper control operation as follows 1 Place room thermostat SYSTEM switch or MODE control in OFF position Observe that blo...

Страница 18: ...uctions and adjusted properly ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Disconnect electrical power to the unit and install lockout tag before cha...

Страница 19: ...ressure 3 Select speed tap from Table 4 that will achieve required airflow from Table 2 4 Remove the vinyl cap off of the desired speed tap wire Refer to Table 3 for color coding 5 Connect the desired...

Страница 20: ...he Heating mode Defrost The defrost control is a time temperature control which includes a field selectable time period DIP switch 1 and 2 on the board between defrost cycles of 30 60 90 or 120 minute...

Страница 21: ...ack cfm 2461 2409 2339 2286 2192 2140 2062 1968 1874 50VT A60 Low Blue cfm 1445 1389 1341 1281 1236 1189 1139 1072 1027 Med Low Pink cfm 1678 1635 1602 1558 1513 1474 1438 1404 1349 Medium 1 Red cfm 1...

Страница 22: ...0 10 0 12 0 13 0 15 0 17 0 18 0 20 0 23 Table 9 Electric Heat Pressure Drop Table in W C Small Cabinet 24 36 STATIC STANDARD CFM SCFM 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 5kw 0 00 0...

Страница 23: ...air filter s at least once each month and replace throwaway type or clean cleanable type at least twice during each cooling season and twice during the heating season or whenever the filter becomes cl...

Страница 24: ...24 A09412 Fig 18 Cooling Charging Table Subcooling 50VT A...

Страница 25: ...OF2 OF1 ON QUIET SHIFT 120 30 60 60 30 90 INTERVAL TIMER OFF P3 DFT O R W 2 Y C T2 C C O DFT T1 Y P1 J1 SPEEDUP Speedup Pins Defrost interval DIP switches Quiet Shift A08020 Fig 19 Defrost Control 50V...

Страница 26: ...trical Controls and Wiring Inspect and check the electrical controls and wiring annually Be sure to turn off the electrical power to the unit Remove access panels see Fig 22 to locate all the electric...

Страница 27: ...gerant System This step covers the refrigerant system of the 50VT A including the compressor oil needed servicing systems on roofs containing synthetic materials the filter drier and refrigerant charg...

Страница 28: ...ch must be removed remove and recover all system charge so that pressure gauges read 0 psig Never open system without breaking vacuum with dry nitrogen Check Defrost Thermostat The defrost thermostat...

Страница 29: ...ils S Vacuum pumps will not remove moisture from oil S Do not use liquid line filter driers with rated working pressures less than 600 psig S Do not leave Puron suction line filter driers in line long...

Страница 30: ...efective run start capacitor overload or start relay Determine cause and replace Defective thermostat Replace thermostat Faulty condenser fan motor or capacitor Replace Restriction in refrigerant syst...

Страница 31: ...D IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS III START UP ELECTRICAL SUPPLY VOLTAGE COMPRESSOR AMPS INDOOR EVA...

Страница 32: ...S 7310 W Morris St S Indianapolis IN 46231 Edition Date 01 11 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 50VT 0...

Отзывы: