Dayton 1RVT8 Troubleshooting Guide download pdf (Page 13)

Dayton Installation, Operation, Maintenance and Parts Manual

Models 1RVT7 and 1RVT8

Gas Supply

WARNING

Improperly connected gas lines may result in ﬁre,

explosion, poisonous fumes, toxic gases, asphyxiation

and death. Connect gas lines in accordance to

national, state, provincial and local codes.

Pressure Equivalents: 1 Inch W.C. equals .058 oz./sq. in. equals 2.49 Mbar.

Note: Check manifold pressure at the tap on the ball shutoff valve. Readings will be above atmospheric

pressure during operation.

The gas supply to the infrared heater must be connected

and tested in accordance with national, state, provincial

and local codes along with the guidelines in this manual.

Refer to the latest edition of the ANSI Z223.1 (NFPA 54)

Standard.

Important! Before connecting the gas supply to the

infrared heater(s):

• Check for conditions such as drafts or other variables

which might cause excessive movement of the unit

and cause damage to the gas connection. Ensure that

the unit is securely mounted and connect the gas with

an approved connection device suitable for the

environment of use.

• Check that the gas piping and service has the capacity

to handle the load of all heaters being installed, as well

as any other gas appliances being connected to the

supply line.

• Check that the main gas supply line is of proper

diameter to supply the required fuel pressures.

• If utilizing used pipe, verify that its condition is clean

and comparable to a new pipe. Test all gas supply lines

in accordance with local codes.

• Test and conﬁrm that inlet pressures are correct. Refer

to the rating plate for required minimum and

maximum pressures (see Chart 2.2). The gas supply

pipe must be of sufﬁcient size to provide the required

capacity and inlet pressure to the heater (if necessary,

consult the local gas company).

• For test pressures in excess of 1/2 PSI(g) (3.5 kPa), the

heater and ball shutoff valve must be disconnected

from the gas supply piping system during any pressure

testing of the system.

• For test pressures equal to or less than 1/2 PSI(g) (3.5

kPa), the heater must be isolated from the gas supply

piping system by closing it’s individual manual shutoff

valve during any pressure testing of the gas supply

piping system.

Chart 2.2 • Manifold Pressure

Type of Required Manifold Minimum Inlet Maximum Inlet

Gas Pressure Pressure Pressure

Natural 5.0 Inches W.C. 6.0 Inches W.C. 14.0 Inches W.C.

Liqueﬁed Petroleum 10.0 Inches W.C. 11.0 Inches W.C. 14.0 Inches W.C.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 23 24

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Dayton 1RVT8 Troubleshooting Guide Page 13

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