Roberts Gorden CTH2-100 General Specifications, 14.1Material Specifications 14.1.1 Reflectors

CTH2-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

SECTION 14: GENERAL SPECIFICATIONS

14.1Material Specifications 14.1.1 Reflectors

.024 Aluminum

(optional .024 Stainless Steel Type 304)

14.2Heater Specifications 14.2.1 Ignition

Honeywell® SmartValve® II combines gas valve and hot surface electronic ignition control. Fully auto- matic, four-try, 100% shut-off, prepurge, auto reset, LED indicator status.

14.3 Suspension Specifications

Hang heater with materials with a minimum working load of 75 lbs (33 kg). See Page 14, Figure 14.

14.4 Controls Specifications

Time switches, thermostats, etc. can be wired into the electrical supply. External controls supplied as an optional extra.

General Specifications for the heaters are as follows:

End View	Side View		Minimum Length "A"
		Reflector
13.5"
(34 cm)
9.5"
(24 cm)
	17.5"	Burner Tube		Turbulator
			(Select Models)
	(44 cm)
	Heat Input Rate	Length “A”	Recommended
			Minimum Mounting Height*
Model	(Btu/h) x (1000)	Minimum	Space	Spot
CTH2-40	40	10' (3m)	8'-10' (2.4 - 3m)	8' (2.3m)
CTH2-60	60	20' (6m)	10'-12' (3 - 3.6m)	9' (2.7m)'
CTH2-80	80	20' (6m)	12'-15' (3.6 - 4.5m)	11' (3.3m)
CTH2-100	100	30' (9m)	12'-15' (3.6 - 4.5m)	12' (3.7m)
CTH2-125	125	40' (12m)	15'-20' (4.5 - 6m)	15' (4.6m)
CTH2-150	150	50' (15m)	20'-25' (6 - 7.6m)	20' (6.1m)
CTH2-175	175	60' (15m)	25' (7.6m)	23' (7m)

*See Page 5, Section 3 for clearances to combustibles.

GAS PRESSURE AT MANIFOLD:

Natural Gas:	3.5" wc
LP Gas:	10.5" wc

PIPE CONNECTION:

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

DIMENSIONS:

Vent Connection Size: 4" (10 cm)

Outside Air Connection Size: 4" (10 cm)

Refer to figure above for dimensional information.

GAS INLET PRESSURE:
Natural Gas:
for 40,60,80,100,125,150	4.6" wc	Minimum
for 175	5.0" wc	Minimum
	14.0" wc	Maximum
LP Gas:	11.0" wc	Minimum
	14.0" wc	Maximum

ELECTRICAL RATING (ALL MODELS):

120 V - 60 Hz., 1.0 A (run) 5.0 A (Start)

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