6
| AQC TANKLESS ELECTRIC WATER HEATERS
WWW.APTANKLESS.COM
INSTALLATION
TECHNICAL DATA
AQC has a built in filter screen that should be cleaned from time
to time. In order to do this, turn off the cold water supply at the
isolating valve and remove the ground wire. Twist cold water
supply tube counterclock wise by 90° and pull towards bottom
of unit. Clean screen and put the screen, the cold water supply
tube and the ground wire back into their original position. Please
be sure that the ground wire is reinstalled and that ground screw
is securely tightened after this procedure.
Note
OTHER THAN THE FILTER SCREEN, THE AQC DOES NOT
CONTAIN ANY PARTS SERVICEABLE BY THE LAY PER-
SON. IN CASE OF MALFUNCTION PLEASE CONTACT A
LICENSED PLUMBER OR ELECTRICIAN.
9. Technical Data
b01
c06
c01
c01
c06
38 (1.5")
360 (14.17")
200 (7.88")
100 (3.94")
110 (4.33")
273 (10.75")
75 (2.953")
8 (0.315")
D
00000
21
55
8
b01 electrical supply cable
c01 cold water connection
" NPT
1/2
c06 hot water connection
" NPT
1/2
9.1 Wiring diagram
AQC 3-2, AQC 4-2, AQC 5-2
A
2/GRD ~ 208 / 240 V
AQC 4-3
B
2/GRD ~ 277 V
L L
V
85
�0
2�
02
�0
00
8
AQC 6-2, AQC 8-2, AQC 10-2
A
2/GRD ~ 208 / 240 V
AQC 9-3
B
2/GRD ~ 277 V
AQC 3-1
B
1/N/GRD ~ 120 V
V
L L
N L
85
�0
2�
02
�0
00
9
A
B
