Install Instructions

5
This manual is intended to familiarize the installer and user of the
Argo DPM-2 Outdoor Temperature Setback Control with its installa-
tion and operation to assure normal trouble-free operation.
Argo controls are designed and manufactured with quality compo-
nents for maximum life and durability and require minimal service.
To ensure a satisfactory installation, it is imperative that the instruc-
tions be followed carefully before operating the control. Failure to
do so may result in breach of warranty.
III - PRODUCT DESCRIPTION AND SPECIFICATIONS
The DPM-2 Outdoor Temperature Setback Control is designed to
raise or lower the temperature of the boiler supply water based
upon a proportionate drop or rise in temperature at the outside sen-
sor. This control plugs into Argo control equipment with a data port
or as a stand alone device that can be easily wired into almost any
system.
TECHNICAL SPECIFICATIONS
Power Supply: 20-28 VAC / 2 VA
Relay Capacity: 24 VAC / 48 VA
Sensor: 1005 Ohms at 70° F
(accurate up to 500’ with 18 gauge wire)
*See “RTD Sensor Troubleshooting” in
Section X for more information.
ADJUSTMENTS
Reset Ratio: 0.5-1.5
Max. Temp: 150°-210°
Differential: 5°-15°
II - INTRODUCTION