1 Determine unit location
Location of unit
This unit meets the safe lighting performance criteria with the gas manifold and control assembly provided, as specified in the ANSI standards for
1. | Maintain all clearances from combustible construction |
| when locating appliance. See Clearances from Combustible |
| Construction, this page. |
2. | Locate the appliance so that if water connections should |
| leak, water damage will not occur. When such locations |
| cannot be avoided, it is recommended that a suitable |
| drain pan, adequately drained, be installed under the unit. |
| The pan must not restrict combustion airflow. Under no |
| circumstances is the manufacturer to be held responsible |
| for water damage in connection with this unit, or any of its |
| components. |
3. | The appliance must be installed so that the ignition |
| system components are protected from water (dripping, |
| spraying, rain, etc.,) during appliance operation and service |
| (circulator replacement, control replacement, etc.,). |
4. | Appliances located in a residential garage and in adjacent |
Installation & Operation Manual
Right Side | 3" | (7.5 cm) |
Rear | 3" | (7.5 cm) (3" min. from any surface)* |
Left Side | 6" (15 cm) (24" (0.61 m) suggested for | |
| service) | |
Front | Alcove* (30" (0.76 m) suggested for service) | |
Top | 3" | (7.5 cm) |
Flue | 1" | (25.4 mm) |
Hot Water Pipes 1" | (25.4 mm) |
*An Alcove is a closet without a door.
Note: No additional clearance is needed on the right side of the unit for the observation port. An observation port is located on both the right and left side of the unit.
Figure
spaces that open to the garage and are not part of the living |
space of a dwelling unit must be installed so that all burners |
and burner ignition devices have a minimum clearance of |
not less than 18" (46 cm) above the floor. The appliance |
must be located or protected so that it is not subject to |
physical damage by a moving vehicle. |
5. DO NOT install this appliance in any location where |
gasoline or flammable vapors are likely to be present. |
6. The appliance must be installed on a level floor. |
7. Combustible floor installation: |
a. Models 502 - 752 require an approved floor kit for |
installation on combustible flooring (reference Table |
1A). |
b. Models 992 - 2072 are approved for installation |
on combustible flooring without a floor kit. Note: |
6"
MIN
LEFT
SIDE
3"
MIN TOP
30"
MIN
FRONT
3"
MIN
REAR
3"
MIN
RIGHT
SIDE
| Concrete block over wood flooring is not considered |
| |
8. | DO NOT install this appliance directly on carpeting or |
| other combustible material. |
9. | Maintain required clearances from combustible surfaces, |
| reference the Indoor Clearances from Combustible |
| Construction Section, this page. |
10. | For outdoor models, you must install an optional vent |
| cap. Instructions for mounting the vent cap are included |
| in the venting section of this manual. Do not install |
| outdoor models directly on the ground. You must install |
| the outdoor unit on a concrete, brick, block, or other |
| |
| special location and clearance requirements. See Outdoor |
| Installation Venting, page 30. A wind proof cabinet |
protects the unit from weather.
Indoor clearances from combustible construction
Maintain minimum specified clearances for adequate operation. Allow sufficient space for servicing pipe connections, pump and other auxiliary equipment, as well as the unit. See rating plate for specific service clearance requirements.
NOTICE | Clearances from combustible construction |
are noted on the appliance rating plate. |
| TABLE - 1A | |
| COMBUSTIBLE FLOOR KITS | |
Model |
| Kit Number |
502 |
| CFK3302 |
652 |
| CFK3303 |
752 |
| CFK3304 |
Freeze protection
Although these units are CSA International
9