Armstrong The Brain DRV80 User Manual

67
Armstrong International
221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA
Ph. (269) 279-3602 Toll Free (888) 468-4673 Fax (269) 279-3130
Problem: “High pitched noise from DRV80...”
Check motor
Motor may be worn, replace.
H C
Water pressure
Make sure supply pressures are balanced.
Check for the following:
• Air locks
• Blocked strainers
• Closed isolator valves
• Check inlet ow rates are within speci-
ed parameters. See Specications on
page 8.
Return to Hot
Water Supply Inlet

Armstrong The Brain DRV80 Specifications

General

Brand	Armstrong
Model	The Brain DRV80
Category	Control Unit
Language	English