Product Overview
ARH HYDRO-AIR
ZONING CONTROLS
Freeze-Stat Terminals will
circulate warm water through the
Hot Water Coil preventing freeze-
ups in unheated attic locations.
When used with Indirect Hot Water
Heaters, priority feature allows all
hot water circulation to stop except
for priority zone.
Premium Plug-In Replaceable
Relays for long life. High relay
load rating 10A.
Clearly Marked Terminals
with Clamping Plates and
plenty of room for wiring.
Reliable Double Sided Printed
Circuit Board construction
100% factory tested.
Switchable Priority
improves versatility.
Plug-in Zone Module
makes adding a zone
easy and economical.
Factory supplied Strap-On
Aquastat fits on Hot Water
Coil to prevent "cold" air
circulation in heating mode.
LED Diagnostic
Lights for easy
trouble shooting.
ARH-1 (Single Zone)
ARH-2 (1 Air Handler & 1 Priority)
ARH-3 (2 Air Handlers & 1 Priority)
ARH Series Specifications
•
Thermostat Current – .085
•
Circular Relays Rated 10A
at 120VAC
•
Isolated Contacts (End Switch)
Rated 10A at 120VAC
•
Includes Strap-on Bi-metal
Aquastat for Hot Water Coil
Fits 3/8" to 3/4" tubing
•
ON at 118º F ± 5%
•
OFF at 95º F ± 5%
•
ARH-1 can also be used as
one zone expansion module
for ARH-2 of ARH-3.
One 18" connector cable
with plug-in jacks is included.
ARH-1
Single Zone Hydro-Air Control
ARH-2
Two Zone Hydro-Air Control
(1 Air Handler & 1 Priority Zone)
Note:
For simplicity, only
ARH-2 is shown. ARH-3
has identical function and
can operate 2 air handlers.
2201 Dwyer Ave., Utica, New York 13501 • Phone: 315-797-1310 • Fax: 866-432-7329
www.argoindustries.com • E-mail: info@ecrinternational.com
In Canada Contact: ECR International Ltd. – P.O. Box 900, 6800 Base Line, Wallaceburg, Ontario, Canada N8A 5E5
Ph: (519) 627-0791 • Fax: (519) 627-4719 • Web: www.ecrltd.com • E-mail: info@ecrltd.com
240004985 • 6/07
USA Homeowner Assistance: 866-847-6656
Contractor Techincal Service: 800-325-5479
2201 Dwyer Ave., Utica, New York 13501
Phone: 315-797-1310 • Fax: 866-432-7329
www.argoindustries.com
E-mail: info@ecrinternational.com
CONTROLS