Comfort-Aire HWW120 - Manual (Page 7)

6
Heat Controller, Inc. WATER-TO-WATER (HWW) SERIES Installation & Operation
Unit Dimensional Data: HWW 036–120
B
C
A
M
L
K
1.0
(2.5 cm)
1
2
3
4
5 6
J
H
G
F
E
D
1
2
3
4
5
6
Required
Service Access
Optional
Service Access
Required
Service Access
Optional
Service Access
B
C
A
1.0
(2.5 cm)
1.8
(4.6 cm)
1.3
(3.3 cm)
2.7
(6.9 cm)
7.3
(18.5
cm)
1.7
(4.3 cm)
B
C
A
M
L
K
1.0
(2.5 cm)
1
2
3
4
5 6
J
H
G
F
E
D
1
2
3
4
5
6
Required
Service Access
Optional
Service Access
Required
Service Access
Optional
Service Access
B
C
A
1.0
(2.5 cm)
1.8
(4.6 cm)
1.3
(3.3 cm)
2.7
(6.9 cm)
7.3
(18.5
cm)
1.7
(4.3 cm)
Notes:
1. Front & side access is preferred for service
access. However, all components may be
serviced from the front access panel if side
access is not available.
2. While clear access to all removable panels
is not required, installer should take care
to comply with all building codes and allow
adequate clearance for future field services.
Water to
Water
Overall Cabinet
Water Connections
Electric Access Plugs
1 2 3 4 5 6
A
Depth
B
Width
C
Height
D
Source
(Outdoor)
Water In
E
Source
(Outdoor)
Water Out
F
Load
(Indoor)
Water In
G
Load
(Indoor)
Water Out
H
HWG
Return In
J
HWG
Water
Out
K
Low
Voltage
L
External
Pump
M
Power
Supply
036-060
in. 30.6 25.4 33 2.7 9.4 19.4 24.5 27.9 30.4 20.9 22.9 30.9
cm. 77.8 64.5 83.8 6.9 23.9 49.3 62.2 70.9 77.2 53.1 58.2 78.5
120
in. 30.6 52.9 37 25.2 25.2 30.1 30.1 34.9 34.9 29.9 31.9 34.4
cm. 77.8 134.4 94 64.0 64.0 76.5 76.5 88.6 88.6 75.9 81.0 87.4