
2
TableofContents
List of Illustrations................................. 3
List of Tables......................................... 4
Chapter 1 General Information......................... 5-7
1.1 Introduction.......................................... 5
1.2 Scope................................................... 5
1.3 Equipment Description........................... 5
1.4 Equipment Supplied............................... 5
Table A Leading Particulars................................. 6
Illustration 1.A Main Unit Drawing........... 7
Chapter 2 Operation.......................................... 8
2.1 Introduction.......................................... 8
2.2 Controls and Indicators.......................... 8
Table B Controls and Indicators.......................... 8
Illustrations 2.A, 2B,…........................... 9
2.3 Start-up Procedure................................. 10
Table C Start-up Procedure................................. 11
Table D Shut Down Procedures…………................ 12
2.4 Shutdown Procedure Short Term........................ 12
Table E Shutdown Procedure Short Term........................ 12
2.5 Cleaning Instructions.............................. 12-13
2.6 Extended Period Inactivity...................... 13
Table F Shutdown for Extended Period................ 13
Chapter 3 Functional Description...................... 14
3.1 System Description................................ 14
3.2 System Operation.................................. 14
Chapter 4 Scheduled Maintenance.................... 15-17
4.1 Introduction.......................................... 15
4.2 Preventive Maintenance Index................ 15
4.3 Preparation for Maintenance................... 15
4.4 Maintenance Procedures......................... 15
A. Monthly Maintenance Requirements.. 15
B. Bi-Monthly Maintenance Requirements. 16-17
C. Annual Maintenance Requirements.. 17
D. 3-Year Maintenance Requirements.. 17
Table G Preventive Maintenance.......................... 18
Chapter 5 Troubleshooting................................ 19
Table H Mechanical & Electrical........................... 19
Chapter 6 Corrective Maintenance.................... 20
6.1 Introduction.......................................... 20
6.2 Repair Procedures.................................. 20
6.2.1 Compressor Fan Motor................... 20-22
6.2.2 Low Pressure Control…………………. 22
6.2.3 Thermal Expansion Valve (TXV)..... 23
6.2.4 Filter Dryer………........................... 23
6.2.5 Condenser Fan Motor.................... 23
6.2.6 Condenser Fan Blade.................... 23-24
6.2.7 Anti-Condensate Heater Wire........ 24
6.2.8 Door Latch................................... 24
6.2.9 Door Hinge.................................. 25
6.2.10 Door Gasket...............................
25
Chapter 7 Parts List............................................ 26-28
7.1 Introduction.......................................... 26
7.2 Source Codes........................................ 26
Table I Source Codes........................................ 26
Table J Parts List UCR10-2M-SN-MLR………………. 27-28
Illustrations 7.A—7.B Condensing Unit Assy 29
Illustrations 7.C—7.E Evaporator Coil Assy 30
Illustration 7.H Control Panel Detail 32
Illustrations 7.I—7.K Door & Accessories Detail 33
Illustration s7.L—7.M Main Unit Front/Rear I 34
Chapter 8 Installation........................................ 37
8.1 Unpacking............................................. 37
8.2 Installation............................................ 37
Chapter 9 Modular Installation.......................... 38-40
9.1 Introduction.......................................... 38
9.2 Installation. Skill Level............................ 38
9.3 Tools..................................................... 38
9.4 Primary Components................................. 38
9.5 Disassembly........................................... 38-40
Chapter 10 Electrical & Mechanical............................ 41-44
10.1 Introduction.................................................. 41
Illustrations 10.A—10.C.................................... 42-44
Chapter 11 Warranty.................................................. 45
Appendix 1 Revision History………………………………. 46
9.6 Final Check List 40
Illustrations 7.F—7.G Electronic Controller Assy 31
Illustrations 7.N—7.O Main Unit Front/Rear II 35
Illustration 7.P Interior Detail 36