Emerson Tcdvtm Users Manual

2015-01-05

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Precision Cooling
For Business-Critical Continuity™

Liebert VFD Condenser — Model TCDV™
Product Information Manual - 50/60Hz

TABLE OF CONTENTS
1.0

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

1.1

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2

Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.3

Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2.0

DIMENSIONAL AND ELECTRICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

3.0

GUIDE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

3.1

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.2

Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.3

Fans. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.4

Fan Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.5

Head Pressure Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.6

Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.7

TVSS and Unit Disconnect Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.8

Alarm Contacts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.9

Electrical Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

FIGURES
Figure 1
Figure 2
Figure 3
Figure 4

Liebert Model TCDV Condenser—2-fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Major electrical control components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cabinet and anchor dimensional data—VFD control condensers, 50 and 60Hz. . . . . . . . . . . . . . .
Electrical field connections, VFD control condensers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1
2
5
6

TABLES
Table 1
Table 2
Table 3
Table 4
Table 5

Electrical data—50 and 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VFD condensers for indoor units, 50 and 60Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Condenser performance, 60Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Condenser performance, 50Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Physical data—VFD control condensers, 50 and 60Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

i

2
2
3
4
5

ii

Introduction

1.0

INTRODUCTION

1.1

Description
The Liebert VFD Control Condenser, Model TCDV, is an air cooled direct-drive refrigeration condenser designed to reject the heat from a precision air conditioning unit to the outdoor air. The condenser uses a Variable Frequency Drive (VFD) to control fan speed, which provides positive
refrigerant head pressure control for outdoor ambients as low as -20°F (-28.9°C).

Figure 1

1.2

Liebert Model TCDV Condenser—2-fan

Application
The VFD Control Condenser is applied to precision air conditioning units with dual refrigeration circuits, including units with digital scroll compressors.

1.3

Features and Benefits
• Variable Frequency Drive (VFD)—Programmed at the factory to integrate fluctuating head pressure signals created by compressor unloading, including digital scroll compressors, and varying
condenser capacity created by lower ambient temperatures.
• The VFD adjusts fan speed to provide stable fan speeds and condensing temperatures.
• Provides protection for motor overload and incoming power supply phase loss, undervoltage
and overvoltage.
• Built-in EMC filter—Electromagnetic emission levels comply with EN61800-3 (Second Environment - Light Industrial Applications).
• Inverter duty motor with permanently lubricated ceramic ball bearings for reliability
• Transducers on each circuit sense refrigerant pressures, providing input to the VFD
• Standard TVSS—Transient Voltage Surge Suppression increases condenser reliability by building in a layer of electrical protection against electrical failure caused by transient voltage surges
from unconditioned power sources and atmospheric discharges.
• Standard Locking disconnect
• Contacts for monitoring VFD and TVSS alarm conditions
• Available in 2-, 3- or 4-fan, dual-circuit condenser models
1

Introduction

Figure 2

Major electrical control components
Liebert’s
Transient
Voltage
Surge
Suppression

Variable
Frequency
Drive control

Locking
Disconnect

Table 1

Electrical data—50 and 60 Hz
Model #

165, 205

251, 308

415, 510

Number of Fans

2

3

4

Input Voltage

Ph

208/230

Hz

Motor Hp

FLA

WSA

OPD

FLA

WSA

OPD

FLA

WSA

OPD

7.2

8.1

15

10.7

11.6

15

14.2

15.1

20

60

460

3

200/230

0.75
50

380/415

3.5

4.0

15

5.2

5.7

15

6.9

7.4

15

7.2

*

*

10.7

*

*

14.2

*

*

3.5

*

*

5.2

*

*

6.9

*

*

FLA = Full Load Amps; WSA = Wire Size Amp; OPD = Maximum Overcurrent Protection Device Rating
* = Follow local electrical code to determine WSA and OPD

Table 2

VFD condensers for indoor units, 50 and 60Hz
R-22

R-407C
Outdoor Design Ambient Temperature

Indoor Unit

95°F (35°C)

100°F (38°C)

105°F (41°C)

95°F (35°C)

100°F (38°C)

105°F (41°C)

DH/VH75A

N/A

N/A

TCDV165

N/A

N/A

N/A

DH/VH114A

TCDV165

TCDV165

TCDV205

N/A

N/A

N/A

DH/VH125A

TCDV165

TCDV165

TCDV205

N/A

N/A

N/A

DH/VH199A

TCDV205

TCDV308

TCDV308

N/A

N/A

N/A

DH/VH245A

TCDV308

TCDV308

TCDV415

N/A

N/A

N/A

DH/VH290A

TCDV308

TCDV415

TCDV415

N/A

N/A

N/A

DH/VH380A

TCDV415

TCDV510

N/A

N/A

N/A

N/A

DS/VS028A

TCDV165

TCDV165

TCDV205

TCDV205

TCDV205

TCDV251

DS/VS035A

TCDV165

TCDV205

TCDV205

TCDV205

TCDV205

TCDV251

DS/VS042A

TCDV205

TCDV205

TCDV308

TCDV205

TCDV251

TCDV308

DS/VS053A

TCDV205

TCDV308

TCDV308

TCDV251

TCDV308

TCDV415

DS/VS070A

TCDV308

TCDV415

TCDV415

TCDV308

TCDV415

TCDV415

DS/VS077A

TCDV308

TCDV415

TCDV510

TCDV308

TCDV415

TCDV510

DS/VS105A

TCDV415

TCDV510

N/A

TCDV415

N/A

N/A

2

Introduction

Table 3

Condenser performance, 60Hz
Total Heat Rejection BTU/Hr (kW) Based on TD

Model
Number

30°F TD
(16.7°C)

25°F TD
(13.9°C)

20°F TD
(11.1°C)

15°F TD
(8.3C)

1°F TD
(0.6°C)

CFM
(CMH)

Sound
dBA

Fan
Qty

75.5

2

77.3

3

78.5

4

75.5

2

77.3

3

78.5

4

R-22 Refrigerant
TCDV165

178,410
(52.2)

148,675
(43.5)

118,940
(34.8)

89,205
(26.1)

5,947
(3.1)

13,300
(22,597)

TCDV205

264,930
(77.6)

220,775
(64.6)

176,620
(51.7)

132,465
(38.8)

8,831
(4.7)

11,200
(19,029)

TCDV251

298,170
(87.3)

248,475
(72.8)

198,780
(58.2)

149,085
(43.7)

9,939
(5.2)

20,250
(34,405)

TCDV308

384,180
(112.5)

320,150
(93.7)

256,120
(75.0)

192,090
(56.2)

12,806
(6.7)

18,600
(31,602)

TCDV415

507,690
(148.7)

423,075
(123.9)

338,460
(99.1)

253,845
(74.3)

16,923
(8.9)

24,800
(42,135)

TCDV510

552,240
(161.7)

460,200
(134.8)

368,160
(107.8)

276,120
(80.9)

18,408
(9.7)

19,200
(32,621)

R-407C Refrigerant

TCDV165

143,160
(41.9)

119,300
(34.9)

95,440
(27.9)

71,580
(21.0)

4772
(2.5)

(22,597)

TCDV205

242,100
(70.9)

201,750
(59.1)

161,400
(47.3)

121,050
(35.4)

8070
(4.3)

11,200
(19,029)

TCDV251

277,380
(81.2)

231,150
(67.7)

184,920
(54.1)

138,690
(40.6)

9246
(4.9)

20,250
(34,405)

TCDV308

337,890
(98.9)

281,575
(82.4)

225,260
(66.0)

168,945
(49.5)

11263
(5.9)

18,600
(31,602)

TCDV415

472,320
(138.3)

393,600
(115.3)

314,880
(92.2)

236,160
(69.2)

15744
(8.3)

(42,135)

TCDV510

452,820
(132.6)

377,350
(110.5)

301,880
(88.4)

226,410
(66.3)

15094
(8.0)

19,200
(32,621)

TD = Difference between Entering Air Temperature and Condensing Temperature

3

13,300

24,800

Introduction

Table 4

Condenser performance, 50Hz
Total Heat Rejection BTU/hr (kW) based on TD

Model
Number

30°F TD
(16.7°C)

25°F TD
(13.9°C)

20°F TD
(11.1°C)

15°F TD
(8.3°C)

1°F TD
(0.6°C)

CFM
(CMH)

Sound
dBA

Fan
Qty

71.0

2

72.8

3

74.0

4

71.0

2

72.8

3

74.0

4

R-22 Refrigerant
TCDV165

162,660
(47.6)

135,550
(39.7)

108,440
(31.8)

81,330
(23.8)

5,422
(2.9)

11,100
(18,859)

TCDV205

233,040
(68.2)

194,200
(56.9)

155,360
(45.5)

116,520
(34.1)

7,768
(4.1)

9,300
(15,801)

TCDV251

270,150
(79.1)

225,125
(65.9)

180,100
(52.7)

135,075
(39.6)

9,005
(4.7)

16,800
(28,543)

TCDV308

343,080
(100.5)

285,900
(83.7)

228,720
(67.0)

171,540
(50.2)

11,436
(6.0)

15,450
(26,250)

TCDV415

454,680
(133.1)

378,900
(110.9)

303,120
(88.8)

227,340
(66.6)

15,156
(8.0)

20,600
(35,000)

TCDV510

479,040
(140.3)

399,200
(116.9)

319,360
(93.5)

239,520
(70.1)

15,968
(8.4)

16,000
(27,184)

R-407C Refrigerant
TCDV165

129,960
(38.1)

108,300
(31.7)

86640
(25.4)

64,980
(19.0)

4,332
(2.3)

11,100
(18,859)

TCDV205

212,280
(62.2)

176,900
(51.8)

141520
(41.4)

106,140
(31.1)

7,076
(3.7)

9,300
(15,801)

TCDV251

250,920
(73.5)

209,100
(61.2)

167280
(49.0)

125,460
(36.7)

8,364
(4.4)

16,800
(28,543)

TCDV308

301,950
(88.4)

251,625
(73.7)

201300
(58.9)

150,975
(44.2)

10,065
(5.3)

15,450
(26,250)

TCDV415

422,400
(123.7)

352,000
(103.1)

281600
(82.5)

211,200
(61.8)

14,080
(7.4)

20,600
(35,000)

TCDV510

391,800
(114.7)

326,500
(95.6)

261200
(76.5)

195,900
(57.4)

13,060
(6.9)

16,000
(27,184)

TD = Difference between Entering Air Temperature and Condensing Temperature

4

Dimensional and Electrical Data

2.0

DIMENSIONAL AND ELECTRICAL DATA

Figure 3

Cabinet and anchor dimensional data—VFD control condensers, 50 and 60Hz
Eyebolts for lifting condenser
Provided on four-fan models only

43-9/16"
(1107mm)

A
70" (1778mm)

Height to top
of fan guard:
43-1/8" (1095mm)

37-7/8"
(962mm)
18" (457mm)
Disconnect
Switch

43-3/16"
(1097mm)

Cabinet Dimensions

Clearance of 36" (914.4mm) on all
sides is recommended for proper
operation and component access

B
D

C

4 legs furnished for 2- and 3-fan
models
6 legs furnished for 4-fan models

1-7/8”
(47.6mm)

37-11/16"
(957mm)

4-1/4”
(108mm)

Unit Anchor Plan
Typical Diameter
9/16" (14.3mm)

1-3/4”
(44.5mm)

1-7/8”
(47.6mm)

4-1/4”
(108mm)

1-3/4”
(44.5mm)

Typical Footprint

Table 5

1”
(25.4mm)

DPN001049
Rev. 0

Physical data—VFD control condensers, 50 and 60Hz
A

B

C

D

Net Weight

Model #

Number
of Fans

in (mm)

in (mm)

in (mm)

in (mm)

lb (kg)

TCDV165

2

91-1/2 (2324)

84 (2134)

82 (2083)

--

425 (193)

TCDV205

2

91-1/2 (2324)

84 (2134)

82 (2083)

--

495 (225)

TCDV251

3

131-1/2 (3340)

124 (3150)

122 (3099)

--

500 (227)

TCDV308

3

131-1/2 (3340)

124 (3150)

122 (3099)

--

670 (305)

TCDV415

4

171-1/2 (4356)

164 (4166)

82 (2083)

80 (2032)

815 (370)

TCDV510

4

171-1/2 (4356)

164 (4166)

82 (2083)

80 (2032)

1188 (540)

All condenser fan motors are 3/4 hp

5

Dimensional and Electrical Data

Figure 4

Electrical field connections, VFD control condensers

Factory-installed fuse block on
60Hz units. Circuit breaker supplied
in lieu of fuse block on 50Hz units.

Factory-wired to 24V
control circuit.
Control interlock (70, 71)
Field-supplied
Class 1 wiring to
interlock condenser 24V
controls to Liebert
room unit; 7/8 in.
(22.2mm) diameter
hole provided in
bottom of electric box.

Electric service connection
terminals with factorysupplied disconnect.
Factory-installed
disconnect switch.

Alarm Connections
Field-supplied 24V Class 1
wiring to remote alarm circuits
Variable Frequency Drive (VFD)
alarm contact connections (11, 12)
Transient Voltage Surge Suppressor (TVSS)
alarm contact connections (13, 14).

Electric service entrance.
A 7/8" (22.2mm) diameter
hole in a 1-1/8 in (28.6mm)
knockout provided in bottom
of electric box.

Factory wired to components
on electric panel.

Earth ground connection (60Hz).
Connection terminal for
Earth ground bar (optional on 50Hz only). field-supplied earth grounding wire
Connection terminals with factory
when factory disconnect is supplied.
ground from each high voltage
component for field-supplied
earth grounding wire.

Electric service,
not by Liebert

NOTE: Refer to specification sheet for Full Load Amp and Wire Size Amp ratings.

6

DPN001051
Rev. 0

Guide Specifications

3.0

GUIDE SPECIFICATIONS

3.1

General
Each condenser shall consist of housing, condenser coil, propeller fans direct-driven by individual fan
motors, fan guards, electrical controls and mounting legs. The air-cooled condenser shall have a
_____volt, 3-phase, _____ Hz power supply.

3.2

Coil
Liebert manufactured coil shall be constructed of copper tubes in a staggered tube pattern. Tubes are
expanded into continuous, corrugated aluminum fins. The fins have full depth fin collars completely
covering the copper tubes, which are connected to heavy wall Type "L" headers. Inlet coil connector
tubes pass through relieved holes in the tube sheet for maximum resistance to piping strain and
vibration. Coils are factory leak-tested at a minimum of 300 psig (2068kPag), dehydrated, then filled
with a nitrogen holding charge and sealed for shipment.

3.3

Fans
Fans shall have aluminum blades secured to corrosion protected steel hubs. Fans shall be secured to
the fan shaft by means of a heavy-duty keyed hub and dual setscrews. Fan diameter shall be 26"
(660mm) or less. Fans shall be factory balanced and run before shipment. Fan guards shall be heavy
gauge, close-meshed steel wire with corrosion resistant PVC finish that shall be rated to pass a
675-hour salt spray test.

3.4

Fan Motors
The variable speed fan motor shall be an inverter duty motor with permanently lubricated ceramic
bearings. The Liebert variable frequency drive control system shall provide overload protection for
the variable speed motor. Each ambient-temperature-controlled fan motor shall have built-in overload protection. All motors shall have rain slingers, permanently lubricated bearings and shall be rigidly mounted on die-formed galvanized steel supports.

3.5

Head Pressure Control
The Liebert VFD Condenser control system shall include a variable frequency drive, inverter duty fan
motor operating from 0% to 100% motor RPM based on head pressure, refrigerant pressure transducers, ambient-temperature thermostat(s), motor overload protection and electrical control circuit, factory-wired in the control panel. VFD control shall be furnished on the fan adjacent to the connection
end of the condenser, which runs continuously with the compressors. Other condenser fans shall be
controlled by ambient thermostats and are either On or Off. This system permits operation at temperatures as low as -20°F (-28.9°C).

3.6

Housing
The condenser housing shall be constructed of bright aluminum sheet and divided into individual fan
sections by full width baffles. Structural support members, including coil support frame, motor and
drive support, are galvanized steel for strength and corrosion resistance. Aluminum legs are provided
with rigging holes for hoisting the unit into position.

3.7

TVSS and Unit Disconnect Switch
Transient Voltage Surge Suppression and locking disconnect shall be factory-installed and wired in
the enclosed condenser electrical panel section.

3.8

Alarm Contacts
Normally open, dry contacts shall be provided for indication of VFD and TVSS alarm condition.

3.9

Electrical Controls
All electrical connections and controls shall be provided in a weatherproof enclosure. The enclosure
shall be integral with the condenser for pleasing appearance as well as functional protection.

7

Ensuring The High Availability
0f Mission-Critical Data And Applications.

Emerson Network Power, the global leader in enabling business-critical
continuity, ensures network resiliency and adaptability through
a family of technologies—including Liebert power and cooling
technologies—that protect and support business-critical systems.
Liebert solutions employ an adaptive architecture that responds
to changes in criticality, density and capacity. Enterprises benefit
from greater IT system availability, operational flexibility and
reduced capital equipment and operating costs.

Technical Support / Service
Web Site
www.liebert.com
Monitoring
800-222-5877
monitoring@emersonnetworkpower.com
Outside the US: 614-841-6755
Single-Phase UPS
800-222-5877
upstech@emersonnetworkpower.com
Outside the US: 614-841-6755
Three-Phase UPS
800-543-2378
powertech@emersonnetworkpower.com
Environmental Systems
800-543-2778
Outside the United States
614-888-0246

Locations
United States
1050 Dearborn Drive
P.O. Box 29186
Columbus, OH 43229
Europe
Via Leonardo Da Vinci 8
Zona Industriale Tognana
35028 Piove Di Sacco (PD) Italy
+39 049 9719 111
Fax: +39 049 5841 257
Asia
7/F, Dah Sing Financial Centre
108 Gloucester Road, Wanchai
Hong Kong
852 2572220
Fax: 852 28029250

While every precaution has been taken to ensure the accuracy
and completeness of this literature, Liebert Corporation assumes no
responsibility and disclaims all liability for damages resulting from use of
this information or for any errors or omissions.
© 2007 Liebert Corporation
All rights reserved throughout the world. Specifications subject to change
without notice.
® Liebert and the Liebert logo are registered trademarks of Liebert
Corporation. All names referred to are trademarks
or registered trademarks of their respective owners.

SL-10065 _REV0_12-06

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