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ARGO
ZONE VALVE CONTROLS
AZ-4CP / AZ-6CP
INSTALLATION, OPERATION
& MAINTENANCE MANUAL
Information and specifications outlined in this manual in effect at the
time of printing of this manual. ECR International, Inc. reserves the
right to discontinue, change specifications or system design at any
time without notice and without incurring any obligation, whatsoever.
Manufactured by:
ECR International Inc.
2201 Dwyer Avenue, Utica, NY 13501
Tel. 800 325 5479
www.ecrinternational.com
PN 24005386 REV. D [11/15/2021]
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Summary of Contents for Argo AZ-4CP
- Page 1 ARGO ZONE VALVE CONTROLS AZ-4CP / AZ-6CP INSTALLATION, OPERATION & MAINTENANCE MANUAL Information and specifications outlined in this manual in effect at the time of printing of this manual. ECR International, Inc. reserves the right to discontinue, change specifications or system design at any time without notice and without incurring any obligation, whatsoever.
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Page 2: Table Of Contents
TABLE OF CONTENTS Safety Symbols ......................3 Introduction .........................3 Product Description ......................3 AZ-4CP Control Board ....................4 AZ-6CP Control Board ....................6 Mounting Instructions ....................7 Electrical Specifications and Wiring ................8 AZ-CP Wiring Schematics ...................10 ZR-ZC Wiring ......................11 Indirect Water Tank Wiring ..................13 Field Selectable Option Switches ................14 Sequence Of Operation ....................16... -
Page 3: Safety Symbols
Zone 1 (by field selectable switch) is also provided. The following capacities can be achieved: NOTICE • AZ-4CP: 4 zone valves with a primary circulator or 3 Used to address practices not related to personal zone valves with priority (indirect hot water) circulator injury. -
Page 4: Az-4Cp Control Board
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS AZ-4CP CONTROL BOARD PN 240005386 Rev. D [11/15/2021]... - Page 5 Transformer Spade Terminals (24 Vac) (Class 2) Isolated End Switch X-X Data Port Terminal - used for communication with the Argo DPM-2 Outdoor Temperature Setback Control LED Array: • Status LED - flashes during normal operation • Priority On - indicates priority mode is selected •...
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Page 6: Az-6Cp Control Board
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS AZ-6CP CONTROL BOARD NOTE: The transformer found in the AZ-6CP control contains a manual reset circuit breaker. Should the control not power up, check to see if the circuit breaker has tripped (a white indicator will be visible on the side of the breaker). -
Page 7: Mounting Instructions
Data Port Terminal - used for communication with the Argo DPM-2 Outdoor Temperature Setback Control Position the control and mark the mounting holes. LED Array (see “AZ-4CP Control Board” in this manual for specifications) Start screws (not provided) for the keyhole type mounting holes in the upper corner(s). -
Page 8: Electrical Specifications And Wiring
Wiring must be N.E.C. Class 1. CANADA - C.S.A. C22.1 Canadian Electrical Code Part 1 and any other national, provincial, or local code requirements. Wiring must be C.S.A. C22.1 C.E.C. Part 1. AZ-4CP WIRING SCHEMATIC PN 240005386 Rev. D [11/15/2021]... - Page 9 INSTALLATION MANUAL AND OPERATING INSTRUCTIONS AZ-6CP WIRING SCHEMATIC PN 240005386 Rev. D [11/15/2021]...
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Page 10: Az-Cp Wiring Schematics
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS AZ-CP WIRING SCHEMATIC The diagrams in this manual represent the Argo AZ-4CP Zone Valve Control. The AZ-6CP has similar electrical connections. Differences in operating features are noted in this manual. Line To 24V From Transformer... -
Page 11: Zr-Zc Wiring
Always disconnect power to both the Argo control and boiler when installing or servicing this product. TANKLESS COIL BOILER TO AZ-CP CONTROL (PRIORITY PUMP, PRIORITY, AND ZR-ZC OPTIONS SELECTED) - Page 12 INSTALLATION MANUAL AND OPERATING INSTRUCTIONS TANKLESS COIL BOILER WITH MH L8124 A OR C TO AZ-CP CONTROL (PRIORITY PUMP, PRIORITY, AND ZR-ZC OPTIONS SELECTED) PN 240005386 Rev. D [11/15/2021]...
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Page 13: Indirect Water Tank Wiring
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS INDIRECT WATER TANK TO AZ-CP CONTROL (INDIRECT WIRING WITH PUMP AND PRIORITY OPTIONS SELECTED) PN 240005386 Rev. D [11/15/2021]... -
Page 14: Field Selectable Option Switches
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS Field Selectable Option Switches DPM-2 Selection Switch The DPM-2 Outdoor Reset Control is designed to raise or NOTICE lower the temperature of the boiler supply water based upon a proportionate drop or rise in temperature at the Priority selection switches may be covered with outside sensor. - Page 15 INSTALLATION MANUAL AND OPERATING INSTRUCTIONS DPM-2 OUTDOOR RESET WITH AN AZ-4CP CONTROL ZONE VALVE / PUMP PRIORITY ZR-ZC DPM-2 OPTION SWITCHES 24 VAC STATUS PRIORITY ON PRIMARY PUMP PRIORITY PUMP X-X CONTACT ZR ON ZONE VALVE / PUMP PRIORITY ZR-ZC...
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Page 16: Sequence Of Operation
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS SEQUENCE OF OPERATION Priority Pump Chosen Normal Operation (ALL DIP SWITCHES IN THE OFF POSITION) In order to use the priority pump feature both the zone valve/pump and priority dip switch must be in the on •... -
Page 17: Zone Staging
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS ZONE STAGING Zone Staging is a feature that is unique to the AZ-6CP control. When the AZ-6CP senses a power demand that exceeds the capabilities of the 75VA transformers, the control will energize one zone at a time until all calling zone valves are opened. -
Page 18: Az-Cp Control Expansion
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS AZ-CP CONTROL EXPANSION Following the instructions below, up to two (2) AZ-CP controls can be wired together. Using two AZ-6CP controls, this allows a maximum of ten zones plus a priority zone to be installed in a system. WARNING Do not attempt to chain more than 2 controls together. - Page 19 INSTALLATION MANUAL AND OPERATING INSTRUCTIONS AZ-CP CONTROL EXPANSION When using the priority pump feature, a jumper (not supplied) will be required across terminals 3 and 4 of the priority zone terminal block. NOTE: Dip Switches must be in & the same position on both controls. PN 240005386 Rev.
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Page 20: Replacement Parts
Transformer - 40VA, 120V/24V 50 HZ (AZ-4CP) Transformer - 75VA, 120V/24V 50 HZ (AZ-6CP) 240005137 TECHNICAL SUPPORT For technical support on this and all Argo products, please contact ECR International Technical Service at 1-800-325-5479. Please have the following information available when calling. Information Needed When Calling...
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