background image

035-18895-000-A-0902

Unitary Products Group

7

WEIGHTS (kg. / lbs.)

BASIC

UNIT

180

948 / 2091

OPTIONS

Economizer

73 / 160

Motorized Damper

68 / 150

Electric
Heater

18 kW

11 / 25

36kW

14 / 30

54 kW

16 / 35

72 kW

18 / 40

ACCESSORIES

Roof Curb

180

79 / 175

Barometric Damper

20 / 45

Wood
Skid*

180

91 / 200

*

Allows handling of unit using 2286mm (90")
long forks.

COMPONENT DESCRIPTION

UNIT SIZE

180

SUPPLY AIR

BLOWER

CENTRIFUGAL BLOWER

DIA. x WD. (mm)

381 x 381

DIA. x WD. (in.)

15 x 15

FAN MOTOR

kW / HP

3.0 / 4

INDOOR

COIL

ROWS DEEP

4

FINS PER INCH

13

FACE AREA

m

2

/ Ft.

2

1.45 / 15.5

OUTDOOR

FANS

(Two Per Unit)

PROPELLER DIA.

mm / in.

762 / 30 ea.

FAN MOTOR

kW / HP

0.7 / 1 ea.

NOMINAL AIRFLOW

m

3

/s

2.83 ea.

CFM

6000

OUTDOOR

COIL

ROWS DEEP

3

FINS PER INCH

15

FACE AREA

m

2

/ Ft.

2

3.35 / 36.0

COMPRESSOR

(Qty. Per Unit)

SCROLL (6.5 TON NOMINAL CAPACITY)

2

AIR

FILTERS

(SEE NOTE)

QUANTITY PER UNIT

457 x 610 x 51 (mm)

5

18 x 24 x 2 (in.)

TOTAL FACE AREA

m

2

/ Ft.

2

1.40 / 15.0

CHARGE

REFRIGERANT 22

SYS. #1 (kg. / lbs.)

9.5 / 21.0

SYS. #2 (kg. / lbs.)

9.5 / 21.0

NOTE: Filter racks are adapted to accept 25mm (1") or 51mm (2") filters.

TABLE 3 - PHYSICAL DATA

FIG. 6 - ENTHALPY SETPOINT ADJUSTMENT

Summary of Contents for B2CH180

Page 1: ...esign installation operation and service of this equipment is available in the following reference documents 55 70 N7 General Installation 55 70 N2 Pre start Post start Check List 44 320 10 Barometric...

Page 2: ...4 Supply Air Blower Performance 10 5 Static Resistances 11 6 Blower Motor and Drive Data 11 7 Electrical Data Basic Units 11 8 Electrical Data Units w Elec Heat 11 9 Heat Anticipator Setpoints 13 10 B...

Page 3: ...ST be used across the top of the unit Refer to Figure 1 Units may also be moved or lifted with a forklift from the front or rear only providing that an accessory skid is used LENGTH OF FORKS MUST BE A...

Page 4: ...ccess panel per the instructions above to en sure moisture is not drawn into the unit during op eration The covering over the mounting holes only need be removed Do not remove the opening cover CONDEN...

Page 5: ...ired with a separate branch circuit fed directly from the meter panel and properly fused CAUTION When connecting electrical power and control wir ing to the unit waterproof type connectors MUST BE USE...

Page 6: ...ENTHALPY SETPOINT ADJUSTMENT Remove the economizer access panel from the unit to check the following adjustments Loosen but do not remove the two panel latches CAUTION Extreme care must be exercised...

Page 7: ...15 FAN MOTOR kW HP 3 0 4 INDOOR COIL ROWS DEEP 4 FINS PER INCH 13 FACE AREA m2 Ft 2 1 45 15 5 OUTDOOR FANS Two Per Unit PROPELLER DIA mm in 762 30 ea FAN MOTOR kW HP 0 7 1 ea NOMINAL AIRFLOW m3 s 2 8...

Page 8: ...0 0 Above Unit 1829 72 With 914 36 Maximum Horizontal Overhang For Outdoor Air Discharge NOTE Unit and ductwork are approved for zero clearance to combustible materials when equipped with electric hea...

Page 9: ...s 1 Remove and discard the side supply and return air duct covers 2 Connect ductwork to duct flanges on the rear of the unit For downflow duct applications 1 Remove the side supply and return air duct...

Page 10: ...N AIRFLOW 3750 CFM 4380 CFM 5000 CFM 5630 CFM 6250 CFM ESP iwg Output bhp Input kW ESP iwg Output bhp Input kW ESP iwg Output bhp Input kW ESP iwg Output bhp Input kW ESP iwg Output bhp Input kW 845 6...

Page 11: ...FRAME SIZE EFF PITCH DIA mm in BORE mm in DESIG NATION PITCH DIA mm in BORE mm in DESIG NA TION PITCH LENGTH mm in DESIG NATION QTY 180 845 1040 3 0 4 0 184T 83 109 135 4 3 5 3 29 1 1 8 1VP56 188 7 4...

Page 12: ...nt supply air temperature as monitored by the discharge air sensor If the outdoor air enthalpy is above the setpoint Y1 energizes compressor 1 outdoor fan motor 1 and outdoor fan motor 2 if the ambien...

Page 13: ...e the two dot plugs from the blower motor and the fil ter access panels shown in Figure 7 2 Insert at least 200mm 8 of tubing approximately 6mm 1 4 diameter into each of these holes for sufficient pen...

Page 14: ...defrost cycle even though the liquid sensor terminated defrost after three minutes During troubleshooting the defrost time can be reduced to 20 seconds by shorting out the SW1 test pegs on the module...

Page 15: ...ccur if the bearings are overlubri cated Use grease sparingly WARNING Perform all maintenance operations on the blower motor with power disconnected from the unit Do not attempt to lubricate bearings...

Page 16: ...035 18895 000 A 0902 5005 York Drive Norman Oklahoma 73069 Subject to change without notice Printed in U S A Copyright by York International Corporation 2002 All Rights Reserved...

Reviews: