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PB112B 400-112-028-B 16/3/07 2/2
5.1 Description
The power base protects against risks
of electrocution caused by leakage
current. If the leakage current exceeds
5 mA or 15 mA (depending on the
model), the ground fault protection will
automatically trigger, cutting power to
the floor heating system. To indicate
the fault, the TEST light on the top of
the base will illuminate (red).
5.2 Ground Fault Protection Reset
When the ground fault protection has triggered, reset it by switching
the thermostat to Standby and back to On. The TEST light will go off.
5.3 Ground Fault Protection Test
To ensure the ground fault protection is always in working order, test
it once the thermostat is installed and on a monthly basis thereafter.
n Increase the setpoint temperature above the measured floor
temperature in order to activate the floor heating system.
o Press the TEST button.
• The test is successful if the TEST light is On (red). Reset the
thermostat and place it back to the desired temperature.
• The test has failed if the TEST light remains off. Cut power to
the heating system at the main electrical panel and replace
the thermostat.
Heating cycle length: 15 minutes
Storage: -20 °C to 50 °C (-4 °F to 120 °F)
Size (H•W•D): 124 x 70 x 23 mm (4.89 x 2.76 x 0.91 in.)
Certifications:
r
Ground Fault Protection
5.
s
Technical Specifications
6.
Model Supply
Maximum Load
Wiring
Current Power
120GA 120 VAC, 50/60Hz 15 A 1800 W
4 wires
double pole
120GB 120 VAC, 50/60Hz 15 A 1800 W
4 wires
double pole
240GA
240 VAC, 50/60Hz
15 A
3600 W
4 wires
double pole
208 VAC, 50/60Hz 3120 W
240GB
240 VAC, 50/60Hz
15 A
3600 W
4 wires
double pole
208 VAC, 50/60Hz 3120 W
Model Ground Fault Protection
Leakage
Current
120GA Ground Fault Circuit Interrupter (GFCI) 5 mA
120GB Equipment Ground Fault Protection Device (EGFPD) 15 mA
240GA Ground Fault Circuit Interrupter (GFCI) 5 mA
240GB Equipment Ground Fault Protection Device (EGFPD) 15 mA
TEST button/light
400-112-028-B (PB112B with GFCI) ENG.fm Page 2 Friday, March 16, 2007 1:52 PM