Honeywell Perfect Window HR150 Product Data page 12

HR150, 200; ER150, 200 PERFECT WINDOW™ FRESH AIR VENTILATION SYSTEMS
Symptom
Condensation • Incomplete vapor barrier around insulated duct. • Tape and seal all joints.
or ice buildup
in insulated
• Hole or tear in outer duct covering.
duct to outside
Water in • Drain pans are plugged.
ventilator • Improper connection of ventilator drain lines.
bottom
• Ventilator is not level.
• Drain lines are obstructed.
• Ventilator heat exchange not correctly installed. • Make sure water drains correctly from pan.
68-0171—10
Table 1. Troubleshooting Guide.
Cause
12
Solution
• Tape any hole or tears made in outer duct covering.
• Ensure vapor barrier is completely sealed.
• Ensure O-ring on drain nozzle adjusted correctly.
• Look for kinks in line.
• Level ventilator.
• Check water drain connections.