Technical data

ManualsBrandsReznor ManualsElectric HeaterUDSA 100-2

0803UDSA-2GBEN, Pag. 15/36

All piping must be in accordance with requirements outlined in the National Gas

Codes (different for each country). Gas supply piping installation should also con-

form with good practice and any local codes. Support gas piping with pipe hang-

ers, metal strapping, or other suitable material. Do not rely on the heater to sup-

port the gas pipe.

All sealing products shall be resistant to the action of liquefied petroleum gas or

any other chemical constituents of the gas being supplied.

Install a ground joint union and manual shutoff the gas cock upstream of the unit

control system.

The unit is equipped with a nipple that extends outside the cabinet. The gas con-

nection is 1/2” or 3/4”, dependent on the size of the unit.

Leak test all connections by brushing on a leak detecting solution.

WARNING :WARNING :

WARNING :

Do not oDo not o

Do not o

er tighten ander tighten and

er tighten and

do not rdo not r

do not r

otaota

ota

te the gte the g

te the g

asas

alvalv

alv

e inside the heae inside the hea

e inside the hea

terter

ter

contrcontr

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Figure 8 : gas connection

10. Gas Piping and

pressures

WARNING: All

components of a gas

supply system must be

leak tested prior to placing

equipment in service.

NEVER TEST FOR

LEAKS WITH AN OPEN

FLAME. Failure to

comply could result in

personal injury, property

damage or death.

Warning : This appliance is equipped for a maximum gas supply pressure of

50 mbar.

WARNING : Pressure testing supply piping

Test pressures above 50mbar : Disconnect the heater and manual valve from the

gas supply line which is to be tested. Cap or plug the supply line.

Test pressures below 50mbar : Before testing, close the manual valve on the

heater.

Diameter gas connection

Table 7 :

Model 008-2 through 030-2 1/2”

Model 035-2 through 100-2 3/4”

Nat gas

Propane