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Marvair VAH2048
ACS Marvair VAH2048 Manuals
Manuals and User Guides for ACS Marvair VAH2048. We have
1
ACS Marvair VAH2048 manual available for free PDF download: Installation And Startup
ACS Marvair VAH2048 Installation And Startup (111 pages)
Scholar 2.0 Heat Pumps & Air Conditioners
Brand:
ACS
| Category:
Heat Pump
| Size: 9 MB
Table of Contents
Table of Contents
3
General Description
5
Figure 1. General External Component Identification and Access to Scholar 2.0
5
Chapter 1: Description & Specifications
5
Heat Pump or Air Conditioner
5
Model Identification
6
Bottom View
7
Figure 2: VDH2024/2036/2040 & VAH2030/2048/2060 Dimensional Data
7
Top View
8
Right View
8
Front View
8
Figure 3: VDH2024/2036/2040 & VAH2030/2048/2060 W/Side Panels Removed
8
Standard Controls
9
Thermostats and Sub-Bases
10
Optional Controls
11
Chapter 2: Scholar 2.0 Installation
12
Tools/Field Furnished Supplies
12
Inspection/Unpacking/Handling
12
Pre Checks
13
Location Selection and Preparation
14
Figure 4: Wall Opening Dimensions for Scholar 2.0 Heat Pump and Air Conditioner
14
Power and Control Wiring (Rough-In)
15
Table 1: Room Size Limitations and Refrigerant Charge
15
Table 2: Altitude Correction Factor
15
Condensate Drain Line (Rough-In)
16
Wet Heat (Rough-In)
16
Preparation of the Scholar 2.0 Heat Pump and Air Conditioner
16
Assembly/Disassembly Instructions
18
Wall Sleeve Field Assembly Steps
24
Installation through the Outside Wall
26
Figure 5: Dimension between Scholar 2.0 Heat Pump or Air Conditioner Air Box and Finished Outside Wall for Outdoor Louver/Collar Assembly Installation
26
Condensate Float Switch Functional Check
27
Electrical, Condensate and Wet Heat Hook-Ups
27
Remote Thermostat Installation
29
Figure 6A: Remote Wall Mounted Thermostat Wiring Detail
30
Figure 6B: Remote Thermostat W/Humidity Controller Wiring Detail
30
Figure 7: EMS Wiring Detail
31
Figure 8: Ventilation Controls Wiring Detail
32
Figure 9A: Typical Control Center Layout for Single-Phase Scholar 2.0
32
Figure 9B: Typical Control Center Layout for 3-Phase Scholar 2.0
33
Figure 10: Electrical Control Box
33
Chapter 3: Scholar 2.0 Calibration, Controls & HMI Operation
34
Ventilation System Calibration
34
PLC Control Adjustments
35
Figure 11: Keys and Leds
35
Table 3: LED Function and Colors
36
Chapter 4: Scholar 2.0 Networking and Remote Communication
48
BACNET Information
48
Modbus Serial Port
48
Ethernet Port
49
Chapter 5 Optional Electronic Control Board
52
Introduction
52
Installation and Replacement
53
PCB Details and Information
53
Operation
57
Sequence of Operation
58
Figure 12: Enthalpy Sensor and Temperature Control Points
62
Figure 13: Dry Bulb Sensor
63
Chapter 6: Scholar 2.0 Startup
71
Start-Up Procedure
71
Table 4: Voltage Limitations
72
Chapter 7: Service and Charging/Recovery
74
Safety Precautions
74
Leak Detection
74
Charging Procedures
75
Refrigerant Recovery
75
Table 5: Refrigerant Charge
75
Chapter 8: Decommissioning
77
Decommissioning
77
Appendix A - Wiring Diagrams
78
Appendix B - Ratings and Data
90
Appendix C - Base Stand Installation
91
Installation
92
Appendix D - Installation of the Freeblow Plenum
94
Plenum Installation
95
Appendix E - Trim Strip Installation
97
Appendix F - Outdoor Louver/Collar Installation
98
Appendix G - Startup & Commissioning Checklist
101
Starting Unit
102
Appendix H: Electronic Control Board Modbus Map
109
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