Boiler Reset Module - One tN4, Boiler, DHW & Setpoint Zoom

Boiler Reset Module - One tN4, Boiler, DHW & Setpoint

SKU:TEK420

Brand: Tekmar

Tekmar
Qty Price
$343.95
/ each
In Stock! Ships in 24-48 Hours
(1 Available)
0

Specs

Application: Boiler Reset
Type: Reset
Width (Inches): 5-3/8"
Height: 3-5/8"
Stages:
?
1 Boiler
User Interface: LCD
Push Button
Voltage:
?
260v
Depth (Inches): 9/16"
Ambient Conditions: Indoor Only: 32°-122°F RH equal to or less than 80% to 88F;50% from 104-122F Altitude<2000m
Power Supply: From Interconnected Zone Manager
Relays: 115 V (ac) 5 A-1/4 hp- pilot duty 240 VA;10 A Maximum
Min Temp (F): -76°F
Max Temp (F): 266°F
Temperature Range (F): -76°-266°F
Output: 0-10 V Minimum 2500 Ohms
Sensors: NTC Thermistor
10 k ohm @ 77°F
Demands: 20-260 V (ac) / 0.1 VA @ 24 V
Includes: 070 Sensor
071 Sensor
Weight (lbs): 1.75 lbs

Description for Tekmar TEK420

Control Description The Boiler Reset Module 420 provides outdoor reset to a hydronic heating system in order to maximize comfort and efficiency. The 420 can operate a single on / off boiler or a single modulating boiler. The 420 can override the outdoor reset water temperature to provide Domestic Hot Water or Setpoint operations.





















































Control Microprocessor PID control; This is not a safety (limit) control
Packaged Weight 1.7 lb. (771 g)
Dimensions 3-5/8" H x 5-3/8" W x 9/16" D (92 x 137 x 14 mm)
Approvals CSA C US, CSA/UL 61010-1, meets Class B: ICES and FCC Part 15
Ambient Conditions Indoor use only, 32 to 122¼F (0 to 50¼C).
RH equal to or less than 80% to 88¼F (31¼C), down to 50% from 104 to 122¼F (40 to 50¼C)
Altitude <2000 m, Installation Category II, Pollution Category 2
Power Supply Provided by interconnected Zone Manager
DHW Pump Relay 115 V (ac) 5 A 1/4 hp, pilot duty 240 VA
Primary Pump Relay 115 V (ac) 5 A 1/4 hp, pilot duty 240 VA
Combined Load 10 A Maximum (for DHW and Primary Pump)
DHW Zone Valve 24 V (ac) 8 VA Maximum
Modulation Output 0-10 V Minimum 2500 Ω
Boiler Relay 115 V (ac) 5 A 1/4 hp, pilot duty 240 VA
Demands 20-260 V (ac) / 0.1 VA @ 24 V
Sensors NTC thermistor, 10 kΩ @ 77¼F (25¼C ¼0.2¼C) +=3892
Included Outdoor Sensor 070 and Universal Sensor 071

Boiler Reset Module - One tN4, Boiler, DHW & Setpoint

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