Bosch RL Series - Default Chapter; Table of Contents

Table of Contents
1 Document Conventions................................................3
1.1 Key to Symbols..................................................3
1.2 General Safety Instructions .................................3
1.3 Refri
gerant Safety Warnings................................4
2 Model Nomenclature....................................................6
3 General Description.....................................................7
3.1 Operating Limits................................................8
4 Inspecting and Storing the Equipment...........................9
4.1 Moving and Storage ...........................................9
4.2 Initial Inspection................................................9
4.3 Inspe
ction and Unpacking Prior to Installation........9
5 Unit Installation.........................................................10
5.1 Location Selection ...........................................10
5.2 Protecting the Unit During Construction..............11
5.3 Retur
n and Supply Air Duct Flanges Preparation...11
5.4 Moun
ting Vertical (VT) Units..............................11
5.5 Horiz
ontal (HZ) Units .......................................11
5.6 Cond
ensate Drain............................................14
5.7 Duct
System ...................................................15
5.8 Pipi
ng ............................................................15
5.9 Elect
rical—Power Supply Wiring .........................17
5.10 Ele
ctrical—Low-Voltage Wiring ...........................18
6 Specific Application Considerations............................20
6.1 Well Water Systems .........................................20
6.2 Open Well Water Systems .................................20
6.3 Cool
ing Tower/Boiler Systems...........................21
6.4 Geot
hermal Closed-Loop Systems .....................22
7 Water-Quality Considerations ....................................23
8 Post-Installation System Checkout .............................25
9 Pre-Start-Up..............................................................25
9.1 Air Coil...........................................................25
9.2 Checking Scroll Compressor Rotation.................25
10 Start-up ....................................................................26
10.1 Unit Start Up Cooling Mode ...............................26
10.2 Unit Start Up Heating Mode...............................26
11 Commissioning..........................................................26
12 Safety Devices and the UPM Controller Overview ........27
12.1 UPM Default Settings and DIP Switch Positions ....29
12.2 UPM Board Features ........................................29
12.3 UP
M Sequence of Operation..............................31
13 Fan Motor .................................................................32
13.1 Permanent Split Capacitor Motors (PSC) ............32
14 Maintenance .............................................................35
14.1 Filter Changes.................................................35
14.2 Annual Checkup ..............................................35
14.3 Annu
al Condensate Drain Cleaning.....................35
15 Handling Periodic Lockouts........................................35
16 Servicing and Repair Information ............................... 35
16.1 Personal Protective Equipment......................... 35
16.2 Confined Space Work ...................................... 35
16.3 Con
trolled Work Procedure .............................. 35
16.4 Saf
ety Checks ................................................ 35
16.5 Che
cks to Electrical Devices ............................. 36
16.6 Repa
irs to Sealed Components ......................... 36
16.7 Repa
ir to Intrinsically-Safe Components............. 36
16.8 Che
ck Cabling ................................................ 36
16.9 Det
ection of Flammable Refrigerants ................. 36
16.10 Rem
oval and Evacuation .................................. 37
16.11 Ch
arging Procedures....................................... 37
16.12 Reco
very ....................................................... 37
16.13 Se
rvice Access ............................................... 38
17 Decommissioning Information.................................... 39
17.1 Protecting the Environment.............................. 39
17.2 Decommissioning Procedure ............................ 39
17.3 Lab
eling ........................................................ 39
18 Troubleshooting........................................................ 40
18.1 Unit Troubleshooting....................................... 40
19 Specification Tables .................................................. 46
19.1 Operating Temperatures and Pressures ............. 46
19.2 Water-Side Pressure Drop Table ....................... 52
19.3 Com
pressor Characteristics ............................. 53
19.4 Cor
ner Weights (Horizontal Cabinets Only)......... 54
19.5 Mod
el 24 Thermistor (Freeze Sensor) Test Values55
20 Wiring Diagrams ....................................................... 56
20.1 Single-Stage, Single-Phase, Standard Unit with
Permanent Split Capacitor (PSC) Motor ............. 56
21 Dimensional Drawings ............................................... 57
21.1 Vertical (VT) Unit Dimensions ........................... 57
21.2 Horizontal (HZ) Unit Dimensions ....................... 59
21.3 Ser
vice Clearance ........................................... 61
22 Terminology.............................................................. 62
22.1 Acronyms ...................................................... 62
22.2 Terms ........................................................... 62
23 Check-Out Sheet ....................................................... 63
24 Notes........................................................................ 64
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RL Series Heat Pumps — 8733842393 (2024/05)