CONTENTS
1
Page Number(s)
QUICK START CHECKLIST 3-4
SAFETY CONSIDERATIONS AND INSTALLATION RECOMMENDATIONS 5-6
INSTALLATION STEPS 7-18
Step 1 Receiving Equipment and Checking Job Site 7
Step 2 Installation on a Solid, Level Mounting Pad or Foundation Rack 7
Step 3 Clearance Requirements 8
(Figure 1) – Clearance Requirements 8
Step 4 Install Indoor Air Handler and Expansion Device 9
Step 5 Making Piping Connections 10
Step 6 Making Electrical Connections 12
Configuring the Heat Pump Components 14
Step 7 Charging of the System 14
Table 1: Hallowell Acadia Line Set Charging Chart 15
Step 8 Start-up and Programming the Acadia outdoor unit Controller 16
Step 9 Checking the Refrigerant Charge 17
Step 10 Final Checks 18
OPERATION MODES 19-22
(Figure 2) – Diagnostics Exploded View 19
Cool Mode 19
Table 2: Cool Modes and Y2Out: Y1/Y2 & O vs. Ambient 19
Heat Mode 19
Table 3: Heat Modes and Y2Out: BINs vs. Y1/Y2 with Electric Back Up 20
Table 4: Heat Modes and Y2Out: BINs vs. Y1/Y2 with Dual Fuel Back Up 20
Table 5: Outdoor Ambient Temperature BINs 20
Table 6: Heat Modes vs. Outputs Energized 20
Defrost Mode 21
Emergency Heat Mode 22
CONTROLLER DETAILS 23-27
(Figure 3) – Controller Layout 25
Table 7: System Status and Fault Codes 26
Table 8: LED Status Indicators 27
(Figure 4) – Control Operation Flow Chart 27
FAULT CONDITIONS 28-30
FIELD TEST MODE 31-32
(Figure 2) – Diagnostics Exploded View 31
EXTRAS 33
Zone Controls 33
Hydronic Coil for Supplemental Heat 33
TROUBLE SHOOTING GUIDE 34-36
Table 9: Pressure Safeties 34
Table 10: Temperature Sensor Resistances vs. Temperature 35
APPENDIX A – SETTINGS 37-42
(Figure 5) – Factory Supplied Air Handler Control Board 37
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