Venting - Space-Ray Infrared Radiant Tube Heater PTS Series Installation And Operation Instructions Manual

D. LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS – MULTIPLE HEATERS (utilizing a fan center relay)
16.0)

VENTING

A. BASIC FLUE VENTING — Venting must comply with the latest edition of the National Fuel Gas Code (ANSI
Z223.1-latest edition) or the authority having jurisdiction. Other venting references are in the equipment volume of
the ASHRAE Handbook.
Model Heat
exchanger
length ft
PTS/U 40 20
PTS/U 50 20
PTS/U 50 30
PTS/U 75 20
PTS/U 75 30
PTS/U 100 30
PTS/U 100 40
PTS/U 125 30
PTS/U 125 40
PTS/U 125 50
PTS/U 150 40
PTS/U 150 50
PTS/U 150 60
PTS/U 175 50
PTS/U 175 60
PTS/U 175 70
PTS/U 200 50
PTS/U 200 60
PTS/U 200 70
Vent lengths shown in the table are for horizontal and vertical venting. If a longer length of vertical or horizontal
venting is required contact the manufacturer for assistance with vent sizing.
Maximum vent length ft.
(4" diameter)
45
45
35
45
35
45
35
60
50
40
60
50
40
60
50
40
60
50
40
–34–
Maximum Fresh air
intake length ft (4"
diameter)
50
50
40
50
40
50
40
50
40
30
50
40
30
50
40
30
40
30
30
Max. combination of
fresh air and vent ft. (4"
diameter)
75
75
65
75
65
75
65
75
65
55
75
65
55
75
65
55
65
55
45
Form #43343330
May 08