4
Marvair ComPac Installation & Operation Manual
12/2017 Rev.16
Table of Contents
Chapter 5 Maintenance
5.1 Scheduled Maintenance .........................................................................................................................39
Chapter 6 Warranty
6.1 Airxcel Commercial Group Limited Product Warranty .........................................................................40
Parts List and Exploded Views
.....................................................................................................................41
Appendix A
Installation Instructions for Field Installed Electric Heaters ...........................................................................42
Illustrations
Figure 1a. Typical Electrical Schematic - Model AVPA & AVHA ..............................................................12
Figure 1b. Typical Electrical Schematic - Model AVPA & AVHA ..............................................................13
Figure 1c. Typical Electrical Schematic - Model HVEA ............................................................................14
Figure 1d. Typical Electrical Schematic - Model HVEA ............................................................................15
Figure 1e. Typical Electrical Schematic - Model HVESA (Alternate Construction) .................................16
Figure 1f. Typical Electrical Schematic - Model HVESA (Alternate Construction) ..................................17
Figure 2.
Dry Bulb sensor ..........................................................................................................................19
Figure 3.
Enthalpy Sensor Temperature Control Points ............................................................................20
Figure 4.
Electrical Controls, HVESA Alternate Construction .................................................................20
Figure 5.
Economizer Control Board ........................................................................................................21
Figure 6.
Back Panel Configuration for AVPA/AVHA12 Air Conditioners ..............................................26
Figure 7a. Fresh Air Hood Damper, Models 24-72 .....................................................................................28
Figure 7b. Fresh Air Hood Damper, Models AVPA/AVHA12 ....................................................................28
Figure 8a. Wall Mounting Detail .................................................................................................................29
Figure 8b. Wall Mounting Detail .................................................................................................................29
Figure 9a. Humidistat Wiring Details ..........................................................................................................33
Figure 9b. Thermostat Connection Diagram ...............................................................................................33
Figure 9c. CommStat™ Touch HVAC Controller Wiring Detail ................................................................34
Figure 9d. CommStat™ 3 HVAC Controller Wiring Detail ........................................................................34
Tables
Table 1 CFM @ External Static Pressure .................................................................................................6
Table 2 Return Air Filter Sizes .................................................................................................................6
Table 3 Shipping Weights .........................................................................................................................6
Table 4 Minimum Clearances .................................................................................................................23
Table 5 Voltage Limitations ....................................................................................................................24
Table 6 Maximum Static Pressure ..........................................................................................................27
