User manual TJERNLUND 950-2080 NEW STYLE GAS PRESSURE SWITCH
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Manual abstract: user guide TJERNLUND 950-2080 NEW STYLE GAS PRESSURE SWITCH
Detailed instructions for use are in the User's Guide.
[. . . ] Discontinued Old-Style Switch
TJERNLUND PRODUCTS, INC.
1601 Ninth Street · White Bear Lake, MN 55110-6794 PHONE (800) 255-4208 · (651) 426-2993 · FAX (651) 426-9547 Visit our web site · www. tjernlund. com
IMPORTANT: This gas pressure switch is an updated version with only one 1/4" aluminum tubing connection to the pressure tap port of gas valve. The atmospheric vent connection is no longer required, as on the Old-Style Switch. [. . . ] It should be mounted close enough so that the supplied 1/4" tubing will reach from the gas pressure switch fitting to the thermostat/gas valve pressure tap port. The screws do not require the use of a drill and their 1/2" length assures that the inner tank will not be penetrated. Mount the gas pressure switch by securing it to the heater casing with a screw in each of the two mounting holes. IMPORTANT: Mount gas pressure switch so that diaphragm is in a VERTICAL position, (See New Switch Diagram). Install the supplied 1/8"-NPT pipe plug to the 90o port of the supplied 1/8-NPT black pipe tee, (See New Switch Diagram). Install the 1/8-NPT black pipe tee to the gas pressure switch, (See New Switch Diagram). CAUTION: Utilize the hex nut on the gas pressure switch when attaching the black pipe tee. Install the supplied Brass 1/8-NPT male x ¼" compression fitting to the 1/8-NPT black pipe tee, (See New Switch Diagram ). Remove the PRESSURE TAP plug from the underside of the thermostat/gas control valve and install the supplied Brass 1/8-NPT male x ¼" compression fitting, (See New Switch Diagram). IMPORTANT: DO NOT alter the heater's PILOT GAS LINE, (See New Switch Diagram). [. . . ] New-Style Gas Pressure GAS PRESSURE SWITCH THERMOSTAT/ Switch Installation
GAS CONTROL VALVE
MOUNTING HOLES GAS SUPPLY
BRASS 1/8-NPT MALE x 1/4" COMPRESSION FITTING
COMMON NORMALLY OPEN
1/8-NPT BLACK PIPE TEE 1/8-NPT PIPE PLUG - NEW PRESSURE TAP PORT IMPORTANT: GAS PRESSURE SWITCH DIAPHRAGM MUST BE MOUNTED VERTICALLY.
1/4" OUTSIDE DIAMETER ALUMINUM TUBING - CONNECT TO PRESSURE TAP FITTING OF THERMOSTAT / GAS CONTROL VALVE. THERMOCOUPLE BURNER GAS LINE IMPORTANT: DO NOT ALTER PILOT GAS LINE INSTALL BRASS 1/8-NPT MALE x 1/4" COMPRESSION FITTING INTO PRESSURE TAP PORT.
FIGURE 700S107 2/13/04
©2004 TJERNLUND PRODUCTS, INC. [. . . ]
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