Energy Tech Laboratories DHG240 - Manual (Page 4)

035-17233-000-C-0702
4 Unitary Products
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.
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.
Improper installation may create a condition where
the operation of the product could cause personal
injury or property damage.
TABLE 2: UNIT APPLICATION DATA
MODEL SIZE 15 TON 20 TON
Voltage Variation,
Min./Max
1
1 Rated in accordance with ARI Standard 110, utilization
range “A”.
208/230-3-60 187/253
460-3-60 414/506
575-3-60 518/630
Supply Air CFM, Min./Max. 4500/7200 6000/9400
Wet Bulb Temperature (°F) of air
on Outdoor Coil Min./Max.
57/72
Dry Bulb Temperature (°F) of air
on Outdoor Coil Min./Max. 2
2 A low ambient accessory is available for operation
down to 0°F.
25/120