Bosch MC720 Manuals

Manuals and User Guides for Bosch MC720. We have 1 Bosch MC720 manual available for free PDF download: Installation, Operation And Maintenance Manual

Bosch MC720 Installation, Operation And Maintenance Manual (68 pages)

R454B

Brand: Bosch | Category: Heat Pump | Size: 5 MB

Table of Contents
3
Document Conventions
5
Key to Symbols
5
Important Information
5
Additional Symbols
5
General Safety Instructions
5
Refrigerant Safety Warnings
6
Model Nomenclature
8
General Description
9
Operating Limits
9
Environment
9
Power Supply
9
Unit Starting Conditions
9
Normal Operating Conditions
9
Inspecting and Storing the Equipment
10
Moving and Storage
10
Initial Inspection
10
Inspection and Unpacking Prior to Installation
10
Unit Installation
11
Location Selection
11
Minimum Conditioned Room Area
12
Protecting the Unit During Construction
13
Condensate Drain
13
Duct System
13
Piping
13
Installation of Pressure Regulating Valves
14
Discharge Water
14
Antifreeze
14
Electrical-Power Supply Wiring
15
Electrical Component Box Layout
15
High-Voltage Wiring
15
Electrical-Low-Voltage Wiring
16
Product Damage
16
Units with Dual Power Supplies
16
Transformer Settings for 208/230-V Units
16
Thermostat
16
Thermostats with a Malfunction Light
17
Thermostat to HVAC Equipment Wiring
17
Remote Sensor to Programmable Thermostat Wiring
17
VA Capacity
17
Low-Voltage VA Draw
18
Specific Application Considerations
19
Well Water Systems
19
Cooling Tower/Boiler Systems
20
Water-Quality Considerations
21
Post-Installation System Checkout
23
Pre-Start-Up
23
Checking Pulley Alignment and Belt Tensioning
23
Checking Scroll Compressor Rotation
23
Correcting Direction of Rotation
23
Start-Up
24
Unit Start up Cooling Mode
24
Unit Start up Heating Mode
24
Commissioning
24
Safety Devices and the UPM Controller Overview
25
First-Stage UPM Board/S
25
Second-Stage UPM Board/S
26
UPM Default Settings and DIP Switch Positions
28
UPM Board Features
28
Leak Detection System
30
UPM Sequence of Operation
31
Unit Sequence of Operation by Mode
32
Cooling Mode
32
Heating Mode
32
Factory-Installed Options
33
Flow Proving Switch (DPS)
33
Boilerless Control
33
Variable Frequency Drive (VFD)
33
Phase Monitor
33
Hot Gas Reheat (HGRH)
33
Hot Gas Reheat Sequence of Operation-ON/OFF Control
33
Modulating Hot Gas Reheat (MHGRH)
33
MHGRH Sequence of Operation
33
Hot Gas Bypass
34
Limit Switch
34
Economizer
34
Economizer Sequence of Operation
34
Maintenance
35
Filter Changes
35
Annual Checkup
35
Annual Condensate Drain Cleaning
35
Blower Motor Lubrication (Optional)
35
Handling Periodic Lockouts
35
Installing Fan Motor Sheaves
35
Pulley Alignment and Belt Tensioning Procedure
36
Alignment
36
Evaporator Fan Performance Adjustment
36
Belt Tension Adjustment
36
Servicing and Repair Information
37
Confined Space Work
37
Controlled Work Procedure
37
Safety Checks
37
Inform Everyone in the General Work Area
37
Check for the Presence of Refrigerant
37
Fire Extinguisher
37
Ignition Sources
37
Ventilated Area
37
Checks to the Refrigerating Equipment
37
Checks to Electrical Devices
38
Repairs to Sealed Components
38
Repair to Intrinsically Safe Components
38
Check Cabling
38
Detection of Flammable Refrigerants
38
Removal and Evacuation
38
Charging Procedures
38
Recovery
39
Decommissioning Information
40
Decommissioning Procedure
40
Unit Troubleshooting
41
Specification Tables
48
Water-Side Pressure Drop Table
53

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Bosch MC720 Installation, Operation And Maintenance Manual (68 pages)

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