PM-2B Installation Manual

Product Amp
Rating
Minimum Lead
Wire Gauge
Maximum Allow-
able Distance
0-14 amps 14 ga 50 ft. (15.24 m)
15+ amps 10 ga 50 ft. (15.24 m)
Recommended Switch Settings
Function Trigger LTC DEL RAIN SNOW
Snow sensor
w/o LTC
TT>AT OFF OFF OFF ON
Snow sensor
w/LTC
TT>AT>15°F (9.5°C) ON OFF OFF ON
Snow controller w/o LTC TT>AT OFF ON OFF ON
Snow controller w/LTC TT>AT>15°F (9.5°C) ON ON OFF ON
Do Not set the Rain switch to "ON". Possible overheating
of the snow melt cables may result.
Specifications
Supply Voltage
100 - 120 VAC
200 - 240 VAC
Trigger Temperature
Range (TT)
34°F to 44°F (1°C to 6.5°C)
Configuration Modes
Snow Only
Rain Only
Snow or Rain
Delay Settings (post melting) 30 to 90 minutes
Low Temperature
Cutoff (LTC)
Prevents system operation when
Ambient Temperature (AT) is
below 15°F (9.5°C)
Operation Modes
Automatic
Standby/Reset
Manual
Sensor Maintenance
At least once every four months the PM 2B should be powered
down and the sensor grid be wiped clean with clear water. Heavy
deposits left behind by evaporated water may be removed by
gently scrubbing with a non-metallic scouring pad.
Maximum 30A Heating Load
120/208/240VAC
1 circuit
Pole-mount sense
PM-2B
Circuit Breaker Panel
Ground
120 / 208 / 240 VAC
GFEP Type
Gr
Ground
Yel
L2 / N
Wh
Blk
Yel
L1
Gr
Wh
Wh
L1
L2 / N
Slab
Junction
Box
Waterproof
With ProMelt System
Junction
Box
Waterproof
Maximum 40A breaker
CONFIGURATION SWITCH
CONTROL/MONITOR JACK
SWITCH JACK
VOLTAGE SELECT
INPUT POWER
LOAD
GRID JACK
PROBE JACK
TEMP ADJUST
DELAY ADJUST
CDP-2
Deice On
Snow Sensor
Control/Display Panel
Standby
Automatic
Manual On
SYSTEMS
AUTOMATED
ENGINEERING
Indoor monitoring
and control of the PM 2B
is available with
the optional PM DP
snow melt sensor
remote control.
For more information see
the PM DP submittal or
installation instructions.
EDP# 81012452IS-WR-PM2B-1115 © 2011 Watts Radiant
Limited Warranty: Watts Radiant (the “Company”) warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of original shipment. In
the event of such defects within the warranty period, the Company will, at its option, replace or recondition the product without charge.
THE WARRANTY SET FORTH HEREIN IS GIVEN EXPRESSLY AND IS THE ONLY WARRANTY GIVEN BY THE COMPANY WITH RESPECT TO THE PRODUCT. THE COMPANY MAKES NO OTHER WARRANTIES,
EXPRESS OR IMPLIED. THE COMPANY HEREBY SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
The remedy described in the first paragraph of this warranty shall constitute the sole and exclusive remedy for breach of warranty, and the Company shall not be responsible for any incidental, special or consequen-
tial damages, including without limitation, lost profits or the cost of repairing or replacing other property which is damaged if this product does not work properly, other costs resulting from labor charges, delays,
vandalism, negligence, fouling caused by foreign material, damage from adverse water conditions, chemical, or any other circumstances over which the Company has no control. This warranty shall be invalidated
by any abuse, misuse, misapplication, improper installation or improper maintenance or alteration of the product.
Some States do not allow limitations on how long an implied warranty lasts, and some States do not allow the exclusion or limitation of incidental or consequential damages. Therefore the above limitations may not
apply to you. This Limited Warranty gives you specific legal rights, and you may have other rights that vary from State to State. You should consult applicable state laws to determine your rights. SO FAR AS IS
CONSISTENT WITH APPLICABLE STATE LAW, ANY IMPLIED WARRANTIES THAT MAY NOT BE DISCLAIMED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL SHIPMENT.
USA: 4500 East Progress Place, Springfield, MO 65803; www.wattsradiant.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca