Installation Instructions
Defender
®
Thermostat for use in hazardous locations
®
Models:
Feed-thru Models
XT-311 SPST
XT-312 SPDT
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.
HEAT COOL COM.
COOLING EQUIPMENT
HEAT COOL COM.
L1
L2
213-TX1.GIF
L1
L2
sledoMllA2.GIF
11936.Rev.1.00
5918 Roper Road
Edmonton, Alberta
Canada T6B 3E1
www.ccithermal.com
ISO 9001
1-800-661-8529
PH: 780-466-3178
FX: 780-468-5904
Info@ccithermal.com
Revision Date: October 2011
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