Operating Guide

17 West Street | West Hatfield, MA 01088 | Toll Free 800.582.2213 | Phone [phone] | Fax [phone] | [e-mail] | www.aptankless.com
A QC MODEL
Std.
High
Non-
LAVATORY
SINK
0.5
1.0
2.0
Flow
GPM
code
Low
Std.
1.0
2.0
1.0 -2.0
KITCHEN
SINK
Utility /
Janitor’s
Sink
Recommendations for 240 V units are correct if installed with 240 V service.
Increase one model size if unit will be installed with 208 V service.
AQC 3-1, 3-2, 4-2 ship with a 0.5 GPM pressure compensating ow reducer/aerator that must be installed.
AQC Sizing Guide Single Sink Tankless Electric Water Heater
Call AquaPower® at 800.582.2213 if you have any sizing questions, or an out-of-the-ordinary
situation. AquaPower® service representatives can make recommendations on sizing, or provide
assistance with our water heaters, to both homeowners and professional installers.
AQC 3-1 AQC 3-2 AQC 4-2 AQC 4-3 AQC 5-2 AQC 6-2 AQC 9-3 AQC 10-2AQC 8-2
FL
Cool (Northern) Climate
Inlet water
45°F - 55°F
Cool (Northern) Climate
Inlet water
45°F - 55°F
Warm (Southern) Climate
Inlet water
55°F - 70°F
HI
AK
MB
ON
QC
PE
NS
NH
VT
MA
CT
RI
NJ
DE
MD
NB
ME
NY
PA
WV
VA
NC
KY
TN
SC
GA
MS
AL
MO
AR
LA
TX
FL
OH
IN
IL
ID
OR
WA
NV
MT
WY
UT
AZ
CA
NM
CO
IA
MN
ND
SD
NE
KS
OK
MI
WI
AB
SK
BC
ü
ü
120 V
Requires 30 A
circuit breaker
240 V
Requires 20 A
circuit breaker
240 V
Requires 20 A
circuit breaker
277 V
Requires 20 A
circuit breaker
240 V
Requires 30 A
circuit breaker
240 V
Requires 30 A
circuit breaker
240 V
Requires 40 A
circuit breaker
277 V
Requires 40 A
circuit breaker
240 V
Requires 50 A
circuit breaker
See next page for Technical Data & Temperature Rise curves.