Lochinvar 2072, 502 operation manual Determine unit location, Location of unit, Freeze protection

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 gas-fired units and ANSI Z21.10.3/ CSA 4.3 - latest edition.

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. Thirty-six inches (36") to rear required for outdoor installation.

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 1-1_Indoor clearances from combustible construction

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
	non-combustible.
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
	non-combustible pad. Outdoor models have additional
	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 design-certified for outdoor installations, such installations are not recommended in areas where the danger of freezing exists. You must provide proper freeze protection for outdoor installations, units installed in unheated mechanical rooms or where temperatures may drop to the freezing point or lower. If freeze protection is not provided for the system, a low ambient temperature alarm is recommended for the mechanical room. Damage to the unit by freezing is non-warrantable.

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