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SECTION 14: GENERAL SPECIFICATIONS
69 of 71
SECTION 14: GENERAL SPECIFICATIONS
14.1 Material Specifications
14.1.1 Reflectors
.024 Aluminum
(Optional .024 Stainless Steel Type 304)
14.2 Heater Specifications
14.2.1 Control System
Modulating Gas Valve and Hot Surface Electronic
Ignition Control with Four-try, 100% shut-off,
Prepu rge, Post-Purge, Auto Reset, Tri-color LED
Status/Fault Indicator.
14.3 Suspension Specifications
Hang heater with materials with a minimum working
load of 75 lbs (33 kg). See Page 13, Figure 14.
14.4 Controls Specifications
Time switches, sensors, etc. can be wired into the
electrical supply. External controls supplied as an
optional extra.
General Specifications for the heaters are as follows:
*See Page 5, Section 3 for clearances to combustibles.
GAS PRESSURE AT MANIFOLD:
Natural Gas: 4.5" wc
LP Gas: 11.0" wc
PIPE CONNECTION:
1/2" NPT (for 80 & 115 models)
3/4" NPT (for 150 & 200 models)
DIMENSIONS:
Vent Connection Size: 4" (10 cm)
Outside Air Connection Size:
5" (13 cm) for 150 & 200 models
4" (10 cm) for 80 & 115 models
Refer to figure above for dimensional information.
GAS INLET PRESSURE:
Natural Gas:
for 80, 115 & 150 models 5.5" wc Minimum
14.0" wcMaximum
for 200 6.0" wc Minimum
14.0" wcMaximum
LP Gas: 12.0" wc Minimum
14.0" wcMaximum
ELECTRICAL RATING (ALL MODELS):
120V - 60 Hz., 4.8 A (start), 1.3 A (run)
Turbulator
(Select Models)
Side View
Reflector
17.5"
(44 cm)
Minimum Length "A"
End View
13.5"
(34 cm)
9.5"
(24 cm)
Burner Tube
Heat Input Rate
(NG)
Heat Input
Rate
(LP)
Length “A”
Recommended
Minimum Mounting Height*
Model
(Btu/h) X (1000)
Min. to Max.
(Btu/h) X
(1000)
Min. to Max.
Minimum Space Spot
CTH3-80 52 to 80 55 to 80 20' (6m) 12'-15' (3.6 - 4.5 m) 11' (3.3 m)
CTH3-115 75 to 115 78 to 115 30' (9m) 15'-20' (4.5 - 6 m) 15' (4.6 m)
CTH3-150 100 to 150 105 to 150 40' (12m) 20'-25' (6 - 7.6 m) 20’ (6.1 m)
CTH3-200 130 to 200 135 to 190 50' (15m) 25' (7.6 m) 23' (7 m)