background image

ISO 9001

Defender

®

Installation Instructions

Part No. 11936.Rev.1.02     August 2018

Thermostat for use in Hazardous Locations

Feed-thru Models: XT-311 SPST, XT-312 SPDT

22 Amps Res., 480V AC Max.; 1/2 HP @ 125V AC, 1 HP @ 250V AC 
Class I, Divisions 1 & 2, Groups C & D; Class II, Division 1, Groups E, 
F & G; Class II, Division 2, Groups F & G; Class III; Class I, Zones 1 & 
2, Groups IIA & IIB.

Step 1 

Mount thermostat approximately 5' (1.5 m) above the floor where 
average room temperature will be sensed and air circulates freely. 
Keep thermostat away from hot and cold surfaces.

Step 2 

Wire switch terminals as per Fig. 1 or 2.

Step 3 

Install the cover using the 4 bolts supplied and tighten.

Step 4 

Fill any unused conduit opening using plug supplied.

CAUTION

CAUTION. 

Electrician must have experience with 

Hazardous Location equipment. Disconnect and lock off 
power supply before wiring or servicing. All wiring must 
comply with local codes and ordinances.

Installation Instructions

Models:

Feed-thru Models

XT-311 SPST

XT-312 SPDT

HEAT

COOL

COM.

2

1

3

-

T

X

1

.

G

I

F

L1

L2

HEAT

COOL

COM.

COOLING EQUIPMENT

s

l

e

d

o

M

ll

A

2

.

G

I

F

11936.Rev.1.00

L1

L2

Thermostat for use in hazardous locations

Defender

®

22 Amps Res., 480 VAC Max.; 1/2 HP @ 125 VAC, 1 HP @ 250 VAC Class I, Divisions 

1 & 2, Groups C & D; Class II, Division 1, Groups E, F & G; Class II, Division 2, Groups 

F & G; Class III; Class I, Zones 1 & 2, Groups IIA & IIB.

CAUTION: Electrician must have experience with Hazardous Location equipment. 

Disconnect and lock off power supply before wiring or servicing. All wiring must comply 

with local codes and ordinances.

1.  Mount thermostat 

approximately 5’ (1.5m) 

above the floor where 

average room temperature 

will be sensed and air 

circulates freely. Keep 

thermostat away from hot 

and cold surfaces. 

2.  Wire switch terminals as per 

Fig. 1 or 2.

3.  Install the cover using the 4 

bolts supplied and tighten

4.  Fill any unused conduit 

opening using plug supplied.

5918 Roper Road

Edmonton, Alberta

Canada T6B 3E1

www.ccithermal.com

1-800-661-8529

PH: 780-466-3178

FX: 780-468-5904

[email protected]

®

Revision Date: October 2011

Installation Instructions

Models:

Feed-thru Models

XT-311 SPST

XT-312 SPDT

HEAT

COOL

COM.

2

1

3

-

T

X

1

.

G

I

F

L1

L2

HEAT

COOL

COM.

COOLING EQUIPMENT

s

l

e

d

o

M

ll

A

2

.

G

I

F

11936.Rev.1.00

L1

L2

Thermostat for use in hazardous locations

Defender

®

22 Amps Res., 480 VAC Max.; 1/2 HP @ 125 VAC, 1 HP @ 250 VAC Class I, Divisions 

1 & 2, Groups C & D; Class II, Division 1, Groups E, F & G; Class II, Division 2, Groups 

F & G; Class III; Class I, Zones 1 & 2, Groups IIA & IIB.

CAUTION: Electrician must have experience with Hazardous Location equipment. 

Disconnect and lock off power supply before wiring or servicing. All wiring must comply 

with local codes and ordinances.

1.  Mount thermostat 

approximately 5’ (1.5m) 

above the floor where 

average room temperature 

will be sensed and air 

circulates freely. Keep 

thermostat away from hot 

and cold surfaces. 

2.  Wire switch terminals as per 

Fig. 1 or 2.

3.  Install the cover using the 4 

bolts supplied and tighten

4.  Fill any unused conduit 

opening using plug supplied.

5918 Roper Road

Edmonton, Alberta

Canada T6B 3E1

www.ccithermal.com

1-800-661-8529

PH: 780-466-3178

FX: 780-468-5904

[email protected]

®

Revision Date: October 2011

5918 Roper Road
Edmonton, AB T6B 3E1

1.800.661.8529
www.ruffneck.com

Отзывы: