Emerson Copeland 270 Manuale

Technical Information

Date of last update: Jul-05 Ref: CC7.5.1/0705/E

Application Engineering Europe

1 Introduction

Condensing units manufactured by Copeland are equipped with fan(s).

Various fan models are and were used.

That is to say that today, it is possible to meet various fan(s) on the after-sales market.

2 General information

Condensing units can be equipped with 1, 2 or 4 fans.

The complete fan consists of an external rotor motor with the fan blades permanently fixed to the rotor and the fan

guard. The grid has 4 feet to mount it on the condenser.

Fan motors are protected by a thermostatic switch. A single-pole bimetallic-element switch protects the motor

against damage from:

 Motor overload

 Over-voltage and under-voltage

 Electrical and mechanical blockages

 Inadequate cooling.

The fans protection is IP 54 and its insulation class is "F".

Most fans can be equipped with a speed controller connected to the condensing pressure.

3 Fans for Copeland Scroll and DWM Copeland semi-hermetic condensing units

The fan is positioned in order to blow the air from the condenser to the compressor, so the compressor additional

fan is not necessary any more.

NOTE: After connecting the condensing unit electrically, check the rotational direction. The fan must blow from

the condenser to the compressor.

NOTE: All fans presently used on condensing units are single-phase fans.

3.1 Single-phase fans

Single-phase fans are used since January 2003.

3.1.1 Technical data

As described in table 1, various fan models are used.

Blade

diamete

Power input Voltage Motor

current

mm W V (±10%) / Ph / Hz EBM Rotomatika A Main Auxilary

71 300 95 220 - 240 / 1 / 50 3 / 400 2.5 / 400 0.44 115 129

121 350 117 220 - 240 / 1 / 50 0.54 72 108

271 420 300 220 - 240 / 1 / 50 5 / 400 6.3 / 400 1.35 25 88

611 500 570 220 - 240 / 1 / 50 2.4 8.5 20.5

10 / 400

Winding resistance Ω

(±10%), 25°C

Run capacitor

µF / V

4 / 400

Fan model

Table 1: Technical data – single-phase fans

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CC7.5.1/0705/E

Technical Information

3.1.2 Single-phase fan wiring diagram

Z1 Black

U2 Blue

U1 Brown

M21

1 ~

Z1 Black

U2 Blue

U1 Brown

M22

1 ~

N 16

Figure 1: Single-phase wiring diagram (230V ±15% / 1 ~ / 50-60 Hz)

3.2 Three-phase fans

Before January 2003, three-phase fans were used.

3.2.1 Technical data

Blade

diamete

Power input Voltage Motor

current

mm W V (±10%) / Ph / Hz A

220 - 240 / 1 / 50 0.36

220-240 ∆/ 380-420 Y /

3 / 50 0.33 / 0.19

500 - 550 / 3 / 50 0.15

220 - 240 / 1 / 50 0.63

220-240 ∆/ 380-420 Y /

3 / 50 0.55 / 0.32

500 - 550 / 3 / 50 0.25

220 - 240 / 1 / 50 1.3

220-240 ∆/ 380-420 Y /

3 / 50 1.10 / 0.65

500 - 550 / 3 / 50 0.52

220 - 240 / 1 / 50 3.6

220-240 ∆/ 380-420 Y /

3 / 50 2.95 / 1.70

500 - 550 / 3 / 50 1.1 9.3

Winding resistance

5 / 400

8 / 400

16 / 400

25 / 400

20 / 60

6.2

6.2 / 18.6

54.7

57 ± 3 / 172 ± 10

325 ± 24

Ω (±10%), 25°C

102

104 ± 3 / 218 ± 6

574 ± 37

270 420 280

610 500 630

Fan model

75 300 80

Run capacitor

µF / V

120 350 135

Table 2: Technical data – three-phase fans

“Old” units were delivered with three-phase fans as a standard, but it is possible to convert these fans into single-

phase motor by the mean of a capacitor. The characteristics of this run capacitor are given in table 2.

“New” single-phase kits can be used for retrofitting on units equipped with three-phase fans.

 fan 75 is replaced by 71

 fan 120 is replaced by 121

 fan 210 is replaced by 211

 fan 610 is replaced by 611

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CC7.5.1/0705/E

Technical Information

3.2.2 Three-phase fan wiring diagrams

U1 Brown

W1 Black

V2 Grey

U2 Red

W2 Orange

V1 Blue

U1 Brown

U2 Red

W1 Black

W2 Orange

V2 Grey

V1 Blue

V2 Grey

W1 Black

U2 Red

V1 Blue

W2 Orange

U1 Brown

=M21

=M22

Figure 2: ∆230V ±15% / 3 ~ / 50-60 Hz Figure 3: Y 400V±15% / 3 ~ / 50-60 Hz - Y 500V±15% / 3 ~ / 50-60 Hz

Three-phase fans can also be connected in single-phase thanks to a run capacitor.

V2 Grey

W1 Black

U2 Red

V1 Blue

W2 Orange

U1 Brown

White

M21

F10

Fan

M21

F10

L 12

L 8

Figure 4: Three-phase fan converted to single-phase: ∆230V ±15% / 1 ~ / 50 Hz

F10

M21 … M22

Fan

White

nnn

M22

F10

M21

F10

Figure 5: Fan motor protection = F10

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CC7.5.1/0705/E

Technical Information

3.3 Fans used on units manufactured before 1994

If you have an "old" unit manufactured before 1994, some fans are not supplied anymore, but you can replace them

with the present fans.

You can find the equivalent in the following cross reference (table 3).

Fan characteristics

Blade φ mm Motor

Q2 Q3 350 25W 1 Ph still supplied

Q3 Q4 T42 T43 T81 350 60W 3 Ph model 120 / 121

Q5 Q6 Q7 T5 T71 T82 356 60W 3 Ph model 120 / 121

Q8 Q10 Q12 T93 T94 T101 T121 T151 420 200W 3 Ph model 270 / 271

T17 U61 U121 500 700W 3 Ph still supplied

Old condensor Replacement fan

Table 3: Cross-reference: replacement fans

4 Fans for Copeland EazyCool outdoor condensing units

The OM and OL units are fitted with a single-phase fan since the beginning of 2003, earlier manufactured units are

provided with a three-phase fan, models 120 and 270 depending on the condensing unit model.

Current used fans (model 121 or 271) are interchangeable with the previous models, but the wiring has to be

changed to single-phase wiring.

The OMQ and OLQ have a low speed (910 rpm) 6 pole single-phase motor.

Today, the condensers of the OM, OMQ, OL and OLQ units are equipped with single-phase fan(s).

The fan model is given in our Product Selection Catalogues and in Copeland Selection Software, both available on

www.eCopeland.com.

4.1 Technical data

Blade

diamete

Power input Voltage Motor

current

mm W V (±10%) / Ph / Hz EBM Rotomatika A Main Auxilary

121 350 117 220 - 240 / 1 / 50 0.54 72 108

271 420 300 220 - 240 / 1 / 50 5 / 400 6.3 / 400 1.35 25 88

65 350 78 220 - 240 / 1 / 50 2 / 400 3.15 / 400 0.31 143 159

145 420 155 220 - 240 / 1 / 50 4 / 400 6.3 / 400 0.67 45.9 51.6

301 500 290 220 - 240 / 1 / 50 1.7 24.7 33.3

8 / 400

Run capacitor

µF / V

Winding resistance Ω

(±10%), 25°C

Fan model

4 / 400

Table 4: Technical data – fans for Copeland EazyCool condensing units

4.2 Wiring diagram

See figure 1.

Information in this document are subject to change without notification.

4/4

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