035-17233-000-C-0702

Improper installation may create a condition where the operation of the product could cause personal injury or property damage.

REFERENCE

Additional information on the design, installation, operation and service of this equipment is available in the following ref- erence forms:

44-320-10 - Barometric Relief Damper Accessory

530.18-N6.1V - Propane Conversion Accessory (USA)

530.18-N6.2V - High Altitude Accessory (Nat. Gas)

530.18-N6.3V - High Altitude Accessory (Propane)

RENEWAL PARTS:

Refer to the Renewal Parts Manual for complete listing of replacement parts on this equipment.

All forms referenced in this instruction may be ordered from:

Standard Register

2101 West Tecumseh Road

Norman, Oklahoma 73069

Toll Free Phone (877) 318-9675

Toll Free Fax: (877) 379-7920

AGENCY APPROVALS

Design certified by ETL as follows:

1.For use as a forced air furnace with cooling unit.

2.For outdoor installation only.

3.For installation on combustible material.

4.For use with natural gas or propane gas.

INSPECTION

As soon as a unit is received, it should be inspected for possi- ble damage during transit. If damage is evident, the extent of the damage should be noted on the carrier's freight bill. A separate request for inspection by the carrier's agent should be made in writing. Refer to Form 50.15-NM for additional information.

INSTALLATION

LIMITATIONS

These units must be installed in accordance with the follow- ing national and local safety codes:

1.National Electrical Code ANSI/NFPA No. 70.

2.National Fuel Gas Code Z223.1.

3.Gas-Fired Central Furnace Standard ANSI Z21.47a.

4.Local gas utility requirements.

Refer to Table 2 for Unit Application Data and to Table 4 for Gas Heat Application Data.

TABLE 2: UNIT APPLICATION DATA

MODEL SIZE

15 TON

20 TON

 

 

 

 

Voltage Variation,

208/230-3-60

187/253

 

 

 

460-3-60

414/506

Min./Max1

 

 

 

575-3-60

518/630

 

 

 

 

 

Supply Air CFM, Min./Max.

4500/7200

6000/9400

 

 

 

 

Wet Bulb Temperature (°F) of air

57/72

on Outdoor Coil Min./Max.

 

 

 

 

 

Dry Bulb Temperature (°F) of air

25/120

on Outdoor Coil Min./Max.2

 

 

1Rated in accordance with ARI Standard 110, utilization range “A”.

2A low ambient accessory is available for operation down to 0°F.

After installation, the unit must be adjusted to obtain a tem- perature rise within the range specified on the unit rating plate.

If components are to be added to a unit to meet local codes, they are to be installed at the dealer's and/or the customer's expense.

Size of unit for proposed installation should be based on heat loss/heat gain calculation made according to the methods of the Air Conditioning Contractors of America (ACCA).

This furnace is not to be used for temporary heating of build- ings or structures under construction.

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Unitary Products

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Energy Tech Laboratories DHG240, DHG180 installation instructions Agency Approvals, Inspection, Installation

DHG180, DHG240 specifications

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