Armstrong Digital-Flo DF41540, Инструкция по установке, эксплуатации и обслуживанию

Страница: 5 / 46

Designs, materials, weights and performance ratings
are approximate and subject to change without notice.
Visit armstrong international.com for up-to-date information.
Armstrong International
221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA
Tel. (269) 279-3602 Fax. (269) 279-3130
Page 3 of 44
Specification Matrix
Specifications
Operating Specifications
Steam Supply Pressure 2-15 PSIG (0.14-1 barg)
Water Supply Pressure 20-150 PSIG (1.4-10 barg)
Minimum Inlet Supply Water Temperature 34°F (1°C)
Set Point Range (DRV) 81-158°F (27-70°C)
Minimum System Recirculation Flow 10 GPM (38 LPM) for EACH DRV80 or DRV50, and 5 GPM (19 LPM) for EACH DRV40
Minimum System Draw Off 0 GPM / LPM
Minimum Distance to First Outlet 25 ft (7.62 m)
Minimum Recirculation Loop Temperature Loss 2°F (1°C)
Control Circuit Fuse 3 A (5A w/ SAGE
™
)
Enclosure Protection Rating (DRV) NEMA 3S
Signal Cable Fittings (DRV) 3/8” liquid-tight, conduit fitting
Battery (DRV) Qty. 2, type CR-P2, 6V rating
Power Supply Requirements 120/240 VAC / 50-60 Hz / 1 Ph.
Digital-Flo
®
: Single Heater & Single DRV
Optional Standard Optional
Model
Heat
Exchanger
Double-Wall
Tube Bundle
DRV SAGE
™
For Building
System (BS)
Integration
DF 415 DW 40 BS
DF 535 DW 40 BS
DF 665 DW 50 BS
DF 8120 DW 80 BS
Example of Single-Wall Tube Bundle, with SAGE
™
: DF41540BS
Example of Double-Wall Tube Bundle, without SAGE
™
: DF415DW40
Operational Limitations (all models):
Steam pressure, maximum allowable = 150 PSIG (10 barg)
and maximum operating = 15 PSIG (1 barg)
Water pressure, maximum allowable = 150 PSIG (10 barg)
Setpoint temperature, maximum allowable = 158°F (70°C)