Taco 2 Stage Boiler Reset Control, EXP
$819.00
The Taco 2 Stage Boiler Reset Control is a microprocessor-based control designed to regulate the supply water temperature from a two stage boiler based on the outdoor temperature or domestic hot water demand. To avoid boiler short cycling and large temperature swings, the PC702 is able to continuously adjust the boiler differential.
Taco’s PC702 Two-Stage Reset Control is a microprocessor-based control designed to regulate the supply water temperature from a two-stage boiler system based on the outdoor temperature or domestic hot water requirements. The PC702 offers all the feature of the PC700 and in addition includes an adjustable interstage relay setting, boiler staging using proportional, integral and derivative (PID) logic, optional boiler rotation and a domestic hot water demand output.
A wiring harness is provided to be easily connected to the Taco Expandable (-EXP) Controls.
Technical Information
Taco Boiler Reset Control Brochure
Taco 2 Stage Boiler Reset Installation Instructions
Taco Boiler Reset Application Guide
Specifications
Control: Microprocessor PI Control; This is not a safety ( limit ) control
Dimensions: 4 3/4” H x 2 7/8” W x 7/8” D
Approvals: CSA NRTL/C; Meets ICES & FCC regulations for EMI/RFI
Ambient Cond.: Indoor use only
Power Supply: 24 VAC 3VA (Powered by -EXP Control)
Relays: 24 V (ac) 5 A, pilot duty 240 VA
Sensors: 1 Outdoor Air and 1 Supply Water
Boiler Start: 35 to 150°F ( 2 to 66°C )
Outdoor Start: 35 to 85°F ( 2 to 29°C )
Boiler Design: 70 to 220°F ( 21 to 104°C )
Outdoor Design: -60 to 32°F ( -51 to 0°C )
Boiler Minimum: Off, 80 to 180°F ( 27 to 82°C )
Differential: Auto, 2 to 42°F ( 1 to 24°C )
WWSD: Off, 35 to 100°F ( 2 to 38°C )
Units: °F, °C
DHW Demand: 20 to 260 V (ac) 2 VA
Interstage Delay: 0:30 to 4:00 minutes
| Weight | 1 kg |
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