Aerco AM Series User Manual

AM Series Boiler Heat Exchanger Maintenance & Replacement
Technical Instruction Document
2.3: Draining Water from the Unit
Follow the procedure below to drain the unit of water.
Draining Water from the Unit
1. Connect the air compressor hose to the drain valve of the water return header. See
Figure 2-5.
2. Connect a drain hose to the drain valve of the water supply header. See figure 2-5.
Figure 2-5: Connections for Draining Water from the Unit
3. While positioning the drain hose outlet in an appropriate receptacle or drain, slowly open
the water return drain valve to allow compressed air into the unit.
CAUTION!
Monitor the AM Series relief valve so as not to release too much
pressure from the air compressor into the unit or the pressure
relief valve might be tripped.
WARNING!
Water drained from the boiler may be very hot. Use caution to
avoid scalding.
CONNECT AIR
COMPRESSOR
HOSE TO
WATER RETURN
DRAIN VALVE
CONNECT DRAIN
HOSE TO
WATER SUPPLY
DRAIN VALVE
DRAIN HOSE
AIR
COMPRESSOR
HOSE
WATER SUPPLY
DRAIN VALVE
WATER
RETURN
DRAIN VALVE
DRAINING
WATER
Page 7 of 36 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 TID-0137_0A
02/02/2015 Ph.: 800-526-0288

Aerco AM Series Specifications

General

Brand	Aerco
Model	AM Series
Category	Boiler
Language	English