General Specifications; Material Specification; Reflectors; Heater Specifications - Roberts Gorden CTH2 Series Installation, Operation And Service Manual

ROBERTS GORDON ® CTH2-Series S

GENERAL SPECIFICATIONS

Material Specification

Reflectors

.024 Aluminum

Heater Specifications

Ignition

Fully automatic hot-surface ignition with safety
shut-off.
General Specifications for CTH2-Series heaters are as follows:
End View
13.5"
(34 cm)
9.5"
(24 cm)
Heat Input
Model (BTUH X1000)
CTH2-40
CTH2-60
CTH2-80
CTH2-100
CTH2-125
CTH2-150
CTH2-175

Gas Pressure at Manifold

Natural Gas:
LP Gas:

Pipe Connection

1/2" NPT (for CTH2-40, 60, 80, 100, 125)
3/4" NPT (for CTH2-150 & 175)

Dimensions

Vent Connection Size:
Outside Air Connection Size: 4" (10 cm)
Refer to figure above for dimensional information.

Gas Inlet Pressure

© 2004 Roberts-Gordon
S
UBMITTAL HEET
Side View
17.5"
(44 cm)
Rate
Minimum
40 10' (3m)
60 20' (6m)
80 20' (6m)
100 30' (9m)
125 40' (12m)
150 50' (15m)
175 60' (15m)
3.5" w.c.
10.5" w.c.
4" (10 cm)
APPLICATIONS, ENGINEERING AND DETAILED GUIDANCE ON SYSTEMS DESIGN, INSTALLATION AND PRODUCT PERFORMANCE IS AVAILABLE UPON REQUEST. ROBERTS GORDON
INSTALLED ONLY IN ACCORDANCE WITH LOCAL LAWS, CODES AND REGULATIONS, AND ONLY BY A CONTRACTOR QUALIFIED IN THE INSTALLATION AND SERVICE OF GAS-FIRED HEATING EQUIPMENT.

Suspension Specifications

Hang heater with materials with a minimum working
load of 75 lbs (33 kg).

Controls Specifications

Time switches, thermostats, etc. can be wired into
the electrical supply. External controls supplied as an
optional extra.
Maximum or Minimum Length "A"
Reflector
Burner Tube
Length "A"
Maximum
10' (3m)
20' (6m)
30' (9m)
40' (12m)
50' (15m)
60' (18m)
70' (21m)
Natural Gas:
for CTH2-40,60,80,100,125,150 4.6" w.c. Minimum
for CTH2-175
LP Gas:

Electrical Rating (all Models)

120V - 60 Hz., 1.0 Amp (run) 5.0 Amp (Start)
Turbulator
(select models)
Recommended
Minimum Mounting Height*
Space
8'-10' (2.4 - 3m)
10'-12' (3 - 3.6m)
12'-15' (3.6 - 4.5m) 11' (3.3m)
12'-15' (3.6 - 4.5m) 12' (3.7m)
15'-20' (4.5 - 6m) 15' (4.6m)
20'-25' (6 - 7.6m) 20' (6.1m)
25' (7.6m)
5.0" w.c. Minimum
14.0" w.c. Maximum
11.0" w.c. Minimum
14.0" w.c. Maximum
Spot
8' (2.3m)
9' (2.7m)'
23' (7m)
® PRODUCTS ARE TO BE