Coleman BB-03 Installation Manual Download Page 30 | Manualshive

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035-19315-001-A-0603

30

Unitary Products Group

TABLE 19: UTILITIES ENTRY

HOLE

OPENING SIZE (DIA.)

USED FOR

A

7/8” KO

1

1.

Opening in the bottom to the unit can be located by the
side in the insulation.

Control Wiring

2

2.

Do not remove the 2” knockout ring.

Side

Bottom

B

2” KO

1

Power Wiring

Side

Bottom

C

1-5/8” KO

Gas Piping (Front)

D

1-1/2” KO

Gas Piping (Bottom)

TABLE 20: MINIMUM CLEARANCES

LOCATION

CLEARANCE

Front

24” (Cooling/Electric Heat)

32” (Gas Heat)

Rear

12” (Less Economizer)

36” (With Economizer or Fixed

Air/Motorized Damper)

Left Side (Filter Access)

24” (Less Economizer)

36” (With Economizer)

Right Side (Cond. Coil)

24”

Below Unit

1

1.

Units may be installed on combustible floors made
from wood or class A, B, or C roof covering material.

0”

Above Unit

2

2.

Units must be installed outdoors. Overhanging struc-
tures or shrubs should not obstruct condenser air dis-
charge outlet.

72” (For

Condenser Air Discharge)

TABLE 21: SUPPLY AIR BLOWER PERFORMANCE (3 TON BELT DRIVE) - SIDE DUCT APPLICATION

RPM

WATTS

RPM

WATTS

RPM

WATTS

RPM

WATTS

RPM

WATTS

RPM

WATTS

RPM

WATTS

2000

843

860

880

925

919

1005

956

1065

993

1145

1030

1195

1067

1235

1900

817

775

854

850

893

920

930

995

970

1065

1008

1125

1046

1170

1800

790

700

828

760

867

840

906

905

944

980

985

1040

1025

1100

1700

-

-

802670

840

745

881

815

92

0

900

961

970

1001

1030

1600

-

-

-

-

818

665

858

740

898

82 0

940

890

980

950

1500

-

-

-

-

-

-

842

695

882

755

92 2

835

962

895

1400

-

-

-

-

-

-

833

650

867

705

904

765

942

82 0

1300

-

-

-

-

-

-

-

-

858

665

893

72 5

932

785

12 00

-

-

-

-

-

-

-

-

847

640

880

680

916

730

RPM

WATTS

RPM

WATTS

RPM

WATTS

RPM

WATTS

RPM

WATTS

RPM

WATTS

RPM

WATTS

2000

1103

1270

-

-

-

-

-

-

-

-

-

-

-

-

1900

1085

1210

-

-

-

-

-

-

-

-

-

-

-

-

1800

1064

1145

11021180

-

-

-

-

-

-

-

-

-

-

1700

1040

1075

1081

1115

1121

1140

-

-

-

-

-

-

-

-

1600

1020

1005

1060

1050

1100

1085

-

-

-

-

-

-

-

-

1500

1003

945

1044

995

1086

1035

-

-

-

-

-

-

-

-

1400

982

880

1024

920

1067

965

1107

1000

-

-

-

-

-

-

1300

970

835

1010

870

1053

920

1099

960

-

-

-

-

-

-

1200

953

780

992

815

1034

855

1080

905

-

-

-

-

-

-

3

1

,

2

AVAILABLE EXTERNAL STATIC PRESSURE-IWG

3

0.90

1.00

1.10

1.20

1.30

1.40

1.50

UNIT

TONNAGE

AIR

FLOW

CFM

3

1

,

2

UNIT

TONNAGE

AIR

FLOW

CFM

0.60

0.70

0.80

AVAILABLE EXTERNAL STATIC PRESSURE-IWG

3

0.20

0.30

0.40

0.50

1. 230/460/575 Volts
2. For 208 Volts multiply values by 0.95.
3. Includes allowances for a wet evaporator coil, 1” filters, and the heat exchangers. Refer to STATIC RESISTANCE Table
for resistance values on applications other than gas / electric units with side duct airflows.

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Summary of Contents for BB-03

Page 1: ...ION 10 OPERATION 35 START UP COOLING 39 TROUBLESHOOTING 40 MAINTENANCE 42 See the following page for a complete Table of Contents NOTES CAUTIONS AND WARNINGS The installer should pay particular attention to the words NOTE CAUTION and WARNING Notes are intended to clarify or make the installation easier Cautions are given to prevent equipment damage Warnings are given to alert installer that person...

Page 2: ...R QUALITY 16 PHASING 34 SUPPLY AIR BLOWERS 34 CHECKING SUPPLY AIR CFM 34 OPERATION 35 SEQUENCE OF OPERATIONS OVERVIEW 35 COOLING SEQUENCE OF OPERATION 35 CONTINUOUS BLOWER 35 INTERMITTENT BLOWER 36 NO OUTDOOR AIR OPTIONS 36 ECONOMIZER WITH SINGLE ENTHALPY SENSOR 36 ECONOMIZER WITH DUAL ENTHALPY SENSORS 36 ECONOMIZER SINGLE OR DUAL WITH POWER EXHAUST 36 MOTORIZED OUTDOOR AIR DAMPERS 36 COOLING OPER...

Page 3: ... DATA BB 05 DIRECT DRIVE WITHOUT POWR D CONVENIENCE OUTLET 21 LIST OF TABLES CONT Tbl Pg 11 ELECTRICAL DATA BB 03 04 BELT DRIVE WITHOUT POWR D CONVENIENCE OUTLET 22 12 ELECTRICAL DATA BB 05 BELT DRIVE WITHOUT POWR D CONVENIENCE OUTLET 23 13 ELECTRICAL DATA BB 03 04 DIRECT DRIVE WITH POWR D CONVENIENCE OUTLET 24 14 ELECTRICAL DATA BB 05 DIRECT DRIVE WITH POWR D CONVENIENCE OUTLET 25 15 ELECTRICAL D...

Page 4: ...dent the extent of the damage should be noted on the car rier s freight bill A separate request for inspection by the carrier s agent should be made in writing Refer to Form 50 15 NM for additional information REFERENCE Additional information on the design installation oper ation and service of this equipment is available in the following reference forms 035 19315 001 General Installation 035 1940...

Page 5: ...roduct Identifier L R 22 Standard Efficiency DHB DUC S R 22 Medium Efficiency DHC DUS U R 22 High Efficiency DHD DUT B R 22 Std Effic Heat Pump BCB Voltage F 208 230 1 60 T 208 230 3 60 W 460 3 60 X 575 3 60 Additional Options See Next Page Airflow A Direct Drive B Direct Drive Single Input Econo D Direct Drive Motorized Damper L Direct Drive BAS Ready Econ No BAS Controller 2 Pleated Filters Extr...

Page 6: ...nitor CQ CPC Controller DFS APS Technicoat Evap Cond Coils Coil Guard CR CPC Controller DFS APS Technicoat Evap Cond Coils Phase Monitor Coil Guard DA CPC Controller with Dirty Filter Switch Air Proving Switch Hinged Filter Door Toolless Access Panels DB CPC Controller DFS APS Phase Monitor Hinged Filter Door Toolless Access Panels DC CPC Controller DFS APS Coil Guard Hinged Filter Door Toolless A...

Page 7: ...Toolless Access Panels GG Honeywell Excel 10 Controller DFS APS Technicoat Cond Coil Coil Guard Hinged Filter Door Toolless Access Panels GH Honeywell Excel 10 Controller DFS APS Technicoat Cond Coil Phase Monitor Coil Guard Hinged Filter Door Toolless Access Panels GJ Honeywell Excel 10 Controller DFS APS Technicoat Evap Coil Hinged Filter Door Toolless Access Panels GK Honeywell Excel 10 Control...

Page 8: ...at Evap Cond Coils Phase Monitor NQ Novar ETC 3 Controller DFS APS Technicoat Evap Cond Coils Coil Guard NR Novar ETC 3 Controller DFS APS Technicoat Evap Cond Coils Phase Monitor Coil Guard PA Novar ETC 3 Controller with Dirty Filter Switch Air Proving Switch Hinged Filter Door Toolless Access Panels PB Novar ETC 3 Controller DFS APS Phase Monitor Hinged Filter Door Toolless Access Panels PC Nova...

Page 9: ...rty Filter Switch Hinged Filter Door Toolless Access Panels UG Technicoat Condenser Coil Coil Guard Dirty Filter Switch Hinged Filter Door Toolless Access Panels UH Technicoat Condenser Coil Phase Monitor Coil Guard Dirty Filter Switch Hinged Filter Door Toolless Access Panels UJ Technicoat Evaporator Coil Hinged Filter Door Toolless Access Panels UK Technicoat Evaporator Coil Phase Monitor Hinged...

Page 10: ...ion should be based on heat loss heat gain calculation made according to the methods of the Air Conditioning Contractors of America ACCA This unit is not to be used for temporary heating of buildings or structures under construction LOCATION Use the following guidelines to select a suitable loca tion for these units 1 Unit is designed for outdoor installation only 2 Condenser coils must have an un...

Page 11: ...k should be designed and sized according to the methods in Manual Q of the Air Conditioning Con tractors of America ACCA A closed return duct system shall be used This shall not preclude use of economizers or outdoor fresh air intake The supply and return air duct connections at the unit should be made with flexible joints to minimize noise The supply and return air duct systems should be designed...

Page 12: ...filter area and required sizes are shown in Physical Data Table 7 SERVICE ACCESS The following removable panels provide access to all serviceable components Compressor compartment Electric Heat compartment Side Supply Return Air compartments Two panels Blower compartment Three panels Main control box Filter compartment Outdoor Air compartment Two panels Refer to the Dimensions and Clearances shown...

Page 13: ...T TRANSFORMER TO REMOTE SENSOR 2TH040702224 IF USED NOT USED ADD JUMPER ADD JUMPER 4 4 3 2 1 ELECTRONIC PROGRAMMABLE THERMOSTAT 2ET04700224 INCLUDES SUBBASE 2 SECOND STAGE COOLING IS NOT REQUIRED ON UNITS LESS ECONOMIZER 3 SECOND STAGE HEATING IS ONLY REQUIRED ON UNITS WITH A TWO STAGE ELECTRIC HEATER 4 COOLING HEATING ELECTRONIC THERMOSTAT MULTI STAGE REMOVE JUMPER J2 FROM TERMINALS 4 AND 9 ON JU...

Page 14: ...or local codes If any of the wire supplied with the unit must be replaced replacement wire must be of the type shown on the wiring diagram and the same minimum gauge as the replaced wire Use copper conductors properly sized to carry the load Each unit must be wired with a separate branch circuit fed directly from the meter panel and properly fused Refer to the Typical Field Wiring Figure 3 and to ...

Page 15: ...NTS AND INFORMATION Remove the economizer access panel from the unit Loosen but do not remove the two panel latches Locate the economizer control module where the fol lowing adjustments will be made Check that the damper blades move smoothly without binding carefully turn the Minimum Position Adjusting screw found on the damper control module fully clockwise and then set the thermostat indoor fan ...

Page 16: ...st comes on is determined by the economizer damper position Percent Open The Exhaust Air Adjustment Screw should be set at the Percent Open of the economizer damper at which the power exhaust is needed It can be set from 0 to 100 damper open INDOOR AIR QUALITY Indoor Air quality indoor sensor input Terminal AQ accepts a 2 to 10 Vdc signal with respect to the AQ1 terminal When the signal is below i...

Page 17: ...D D C C B B A A CONTROL CURVE CONTROL POINT APPROX 0 F 0 C AT 50 RH A D C B 63 17 73 23 70 21 67 19 FIGURE 5 HONEYWELL ECONOMIZER CONTROL W7212 N1 N P1 P EXH Set EXH Min Pos IAQ Max IAQ IAQ Min Free Cool T T1 AQ1 AQ SO SO SR SR A B C D TR TR1 24 Vac HOT 24 Vac COM EF EF1 2 3 4 5 1 Exhaust Air Adjustment Screw Exhaust Air LED Damper Min Position Screw Indoor Air Quality Max Adjustment Screw Indoor ...

Page 18: ...D OF UNIT FRONT OF UNIT APPROXIMATE CENTER OF GRAVITY BACK OF UNIT TABLE 4 CENTER OF GRAVITY ALL MODELS DIMENSION 3 5 TON X 40 Y 19 TABLE 5 BB 4 POINT LOADS WEIGHT DISTRIBUTION UNIT TOTAL A B C D BB 03 628 139 137 174 177 BB 04 668 148 146 185 189 BB 05 693 154 151 192 196 TABLE 6 BB 6 POINT LOADS WEIGHT DISTRIBUTION UNIT TOTAL A B C D E F BB 03 628 93 92 91 116 117 119 BB 04 668 99 98 97 123 125 ...

Page 19: ... 1 2 Nom CFM 4300 4200 4500 CONDENSER COILS Rows Deep 1 1 1 Fins Per Inch 20 20 20 Face Area Sq Ft 17 1 17 1 17 1 COMPRESSOR Qty Per Unit Reciprocating Type 1 1 1 AIR FILTERS Quantity Per Unit 15 X 20 X 1 or 2 2 2 2 Quantity Per Unit 14 X 25 X 1 or 2 1 1 1 Total Face Area sq ft 6 6 6 6 6 6 CHARGE Refrigerant 22 lbs oz 7 12 8 4 8 4 TABLE 8 OPERATING WEIGHTS LBS MODEL SIZE 3 TON 4 TON 5 TON BASIC UN...

Page 20: ...4510706 7 5 31 3 75 2 90 2CE04511006 10 6 44 2 91 4 100 2CE04511506 15 9 66 3 119 0 125 2CE04512006 21 2 88 3 146 6 150 NONE 0 0 0 0 25 7 40 2CE045105252 4 0 11 1 39 6 50 2CE045107252 5 6 15 5 45 1 50 2CE04511025 8 0 22 2 53 4 60 2CE04511525 11 9 33 0 67 0 70 2CE04512025 15 9 44 1 80 8 90 NONE 0 0 0 0 25 7 40 2CE045105252 5 3 12 7 41 6 50 2CE045107252 7 5 18 0 48 2 50 2CE04511025 10 6 25 5 57 5 60...

Page 21: ...25 10 6 25 5 64 9 70 2CE04511525 15 9 38 2 80 8 90 2CE04512025 21 2 51 0 96 8 100 2CE04513025 29 6 71 2 122 0 125 NONE 0 0 0 0 17 1 25 2CE045107462 6 8 8 2 27 3 35 2CE045110462 10 1 12 1 32 3 35 2CE045115462 13 6 16 4 37 5 40 2CE045120462 19 5 23 5 46 4 50 2CE045130462 28 8 34 6 60 4 70 NONE 0 0 0 0 13 6 20 2CE04511058 10 6 10 2 26 3 30 2CE04511558 15 9 15 3 32 7 35 2CE04512058 21 2 20 4 39 1 40 2...

Page 22: ...11006 10 6 44 2 94 0 100 2CE04511506 15 9 66 3 121 6 125 2CE04512006 21 2 88 3 149 2 150 NONE 0 0 25 9 40 2CE04510525 2 4 0 11 1 39 8 50 2CE045107252 5 6 15 5 45 3 50 2CE04511025 8 0 22 2 53 6 60 2CE04511525 11 9 33 0 67 2 70 2CE04512025 15 9 44 1 81 0 90 NONE 0 0 25 9 40 2CE04510525 2 5 3 12 7 41 8 50 2CE04510725 2 7 5 18 0 48 4 50 2CE04511025 10 6 25 5 57 7 60 2CE04511525 15 9 38 2 73 7 80 2CE04...

Page 23: ...25 10 6 25 5 63 5 70 2CE04511525 15 9 38 2 79 4 80 2CE04512025 21 2 51 0 95 4 100 2CE04513025 29 6 71 2 120 6 125 NONE 0 0 0 0 16 4 25 2CE045107462 6 8 8 2 26 6 30 2CE045110462 10 1 12 1 31 6 35 2CE045115462 13 6 16 4 36 8 40 2CE045120462 19 5 23 5 45 7 50 2CE045130462 28 8 34 6 59 7 60 NONE 0 0 0 0 12 5 20 2CE04511058 10 6 10 2 25 3 30 2CE04511558 15 9 15 3 31 6 35 2CE04512058 21 2 20 4 38 0 40 2...

Page 24: ...6 7 5 31 3 85 2 100 2CE04511006 10 6 44 2 101 4 110 2CE04511506 15 9 66 3 129 0 150 2CE04512006 21 2 88 3 156 6 175 NONE 0 0 0 0 35 7 50 2CE04510525 2 4 0 11 1 49 6 60 2CE045107252 5 6 15 5 55 1 60 2CE04511025 8 0 22 2 63 4 70 2CE04511525 11 9 33 0 77 0 80 2CE04512025 15 9 44 1 90 8 100 NONE 0 0 0 0 35 7 50 2CE04510525 2 5 3 12 7 51 6 60 2CE04510725 2 7 5 18 0 58 2 60 2CE04511025 10 6 25 5 67 5 70...

Page 25: ...10 6 25 5 74 9 80 2CE04511525 15 9 38 2 90 8 100 2CE04512025 21 2 51 0 106 8 110 2CE04513025 29 6 71 2 132 0 150 NONE 0 0 0 0 22 1 30 2CE045107462 6 8 8 2 32 3 40 2CE045110462 10 1 12 1 37 3 40 2CE045115462 13 6 16 4 42 5 45 2CE045120462 19 5 23 5 51 4 60 2CE045130462 28 8 34 6 65 4 70 NONE 0 0 0 0 17 6 25 2CE04511058 10 6 10 2 30 3 35 2CE04511558 15 9 15 3 36 7 40 2CE04512058 21 2 20 4 43 1 45 2C...

Page 26: ...706 7 5 31 3 87 8 100 2CE04511006 10 6 44 2 104 0 110 2CE04511506 15 9 66 3 131 6 150 2CE04512006 21 2 88 3 159 2 175 NONE 0 0 0 0 35 9 50 2CE04510525 2 4 0 11 1 49 8 60 2CE045107252 5 6 15 5 55 3 60 2CE04511025 8 0 22 2 63 6 70 2CE04511525 11 9 33 0 77 2 80 2CE04512025 15 9 44 1 91 0 100 NONE 0 0 0 0 35 9 50 2CE04510525 2 5 3 12 7 51 8 60 2CE04510725 2 7 5 18 0 58 4 60 2CE04511025 10 6 25 5 67 7 ...

Page 27: ...31 6 35 2CE045110462 10 1 12 1 36 6 40 2CE045115462 13 6 16 4 41 8 45 2CE045120462 19 5 23 5 50 7 60 2CE045130462 28 8 34 6 64 7 70 NONE 0 0 0 0 16 5 20 2CE04511058 10 6 10 2 29 3 30 2CE04511558 15 9 15 3 35 6 40 2CE04512058 21 2 20 4 42 0 45 2CE04513058 30 4 29 3 53 1 60 ID Blower Motor FLA Conv Outlet Amps Max Fuse BRKR1 Size Amps RLA Each LRA Each Electric Heater Model No Heater kW Heater Amps ...

Page 28: ...035 19315 001 A 0603 28 Unitary Products Group FIGURE 7 UNIT DIMENSIONS 3 5 TON HEAT PUMP FRONT VIEW FIGURE 8 UNIT WITH ECONOMIZER RAINHOOD DETAIL A ...

Page 29: ...E 11 DISCONNECT BLOWER ACCESS LOCATION DISCONNECT SWITCH LOCATION AND MOTOR ACCESS PANEL FOR UNIT WITH BELT DRIVE OPTION CONTROL BOX ACCESS A B WIRING ENTRY See Detail B MOUNTING BRACKET FOR DICONNECT SWITCH Shipped attached to the blower housing inside the blower compartment FIELD SUPPLIED DISCONNECT SWITCH LOCATION BLOWER MOTOR ACCESS FILTER ACCESS DOT PLUGS ...

Page 30: ...0 925 919 1005 956 1065 993 1145 1030 1195 1067 1235 1900 817 775 854 850 893 920 930 995 970 1065 1008 1125 1046 1170 1800 790 700 828 760 867 840 906 905 944 980 985 1040 1025 1100 1700 802 670 840 745 881 815 920 900 961 970 1001 1030 1600 818 665 858 740 898 820 940 890 980 950 1500 842 695 882 755 922 835 962 895 1400 833 650 867 705 904 765 942 820 1300 858 665 893 725 932 785 1200 847 640 8...

Page 31: ...PM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS 2000 1103 1270 1900 1085 1210 1800 1064 1145 1102 1180 1700 1040 1075 1081 1115 1121 1140 1600 1020 1005 1060 1050 1100 1085 1500 1003 945 1044 995 1086 1035 1400 982 880 1024 920 1067 965 1107 1000 1300 970 835 1010 870 1053 920 1099 960 1200 953 780 992 815 1034 855 1080 905 4 1 2 AVAILABLE EXTERNAL STATIC PRESSURE IWG3 0 90 1 ...

Page 32: ... 965 830 RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS 2500 2400 1193 1665 2300 1170 1580 1202 1620 2200 1148 1480 1180 1530 2100 1121 1385 1155 1425 1190 1475 2000 1100 1285 1133 1340 1169 1385 1205 1445 1900 1079 1180 1110 1240 1143 1280 1178 1330 1222 1375 1800 1058 1060 1090 1135 1122 1190 1158 1240 1196 1295 1700 1035 960 1071 1030 1103 1100 1134 1140 1164 1175 1197 12...

Page 33: ...70 LOW 2030 1070 1960 1020 1890 970 1810 920 3 1 4 1 0 70 AVAILABLE EXTERNAL STATIC PRESSURE IWG2 0 90 0 80 1 00 3 1 4 1 5 1 AVAILABLE EXTERNAL STATIC PRESSURE IWG2 5 1 0 60 0 20 0 30 0 40 0 50 UNIT TONNAGE MOTOR SPEED UNIT TONNAGE MOTOR SPEED 1 Side Duct application 230 460 575 Volts 2 Includes allowances for a wet evaporator coil 1 filters and the heat exchangers Refer to STATIC RESISTANCES Tabl...

Page 34: ... 0 22 0 08 0 10 0 12 0 14 0 16 0 18 0 20 0 23 0 26 0 29 0 32 COOLING ONLY2 RESISTANCE IWG CFM DESCRIPTION ECONOMIZER1 2 BOTTOM DUCT CONNECTIONS1 ELECTRIC HEATERS3 1 Deduct these resistance values from the available external static pressure shown in SUPPLY AIR BLOWER PERFORMANCE Tables 2 The pressure through the economizer is greater for 100 outdoor air than for 100 return air If the resistance of ...

Page 35: ... drop across a dry coil the actual CFM through the unit can be determined from the curve in Pressure Drop vs Supply Air CFM Figure 13 After readings have been obtained remove the tubes and reinstall the two 5 16 dot plugs that were removed in Step 1 NOTE De energize the compressors before taking any test measurements to assure a dry indoor coil OPERATION SEQUENCE OF OPERATIONS OVERVIEW For these u...

Page 36: ...an motor only Once the thermostat has been satisfied it will de ener gize Y1 If the compressor has satisfied its minimum run time the compressor and condenser fan are de energized Otherwise the unit operates the cooling system until the minimum run times for the compressor has been completed After the compressor de ener gizes the blower is stopped following the elapse of the fan off delay for cool...

Page 37: ...mbient mode operates the compressors in this manner 10 minutes on 5 minutes off The indoor blower is operated throughout the cycle The 5 minute off period is necessary to defrost the indoor coil Low ambient mode always begins with compressor operation Compressor minimum run time may extend the minutes of compressor operation The defrost cycle will begin immediately following the elapse of the mini...

Page 38: ...s normally open thermostat is mounted on the liquid line and is set to close at 28 4 F 2 Once the defrost thermostat closes the defrost control starts a run timer that must be satisfied before defrost can begin This is accumulated com pressor run time The selection pin is factory set at 60 minutes but is field adjustable to 30 60 or 90 minutes When the DC enters the defrost mode it s on board defr...

Page 39: ...Check the unit supply air CFM See CHECKING SUPPLY AIR CFM on page 34 7 Measure evaporator fan motor s amp draw 8 Set the room thermostat fan switch to off 9 Turn unit electrical power off OPERATING INSTRUCTIONS 1 Turn unit electrical power on 2 Set the room thermostat setting to lower than the room temperature 3 First stage compressors will energize after the built in time delay five minutes 4 The...

Page 40: ...nd M2 8 If 24 volts is not present at the FAN terminal check for 24 volts from the room thermostat If 24 volts are not present from the room thermostat check for the following a Proper operation of the room thermostat contact between R and G with the fan switch in the ON posi tion and in the AUTO position during operation calls b Proper wiring between the room thermostat and the UCB c Loose wiring...

Page 41: ...sh the last five alarms on the LED If the compressor is locked out cancel any call for cooling This will reset any compressor lock outs NOTE While the above step will reset any lockouts the compressor may be held off for the ASCD See the next step 10 If 24 volts is present at the UCB Y1 terminal and none of the switches are open and the compressor is not locked out the UCB may have the compres sor...

Page 42: ...res ball bearings that do not require periodic lubrication Periodic lubrication of the motor and bearings can extend the life of components but is optional On an annual basis check the motor for accumulations of dust etc that may block the cooling slots in the motor shell Check for loose damaged or misaligned drive components Check that all mounting bolts are tight Replace defective parts as requi...

Page 43: ...desired Every three years using a low pressure grease gun pump grease into the bearing grease fit ting until grease just begins to show at the seals Do not over lubricate Use any lithium base grease recom mended for ball bearing service OUTDOOR COIL Dirt should not be allowed to accumulate on the out door coil surface or other parts in the air circuit Clean ing should be as often as necessary to k...

Page 44: ...to change without notice Printed in U S A 035 19315 001 A 0603 Copyright by Unitary Products Group 2003 All rights reserved Supersedes 035 19315 000 A 0203 Unitary 5005 Norman Products York OK Group Drive 73069 ...

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