Argo ARM Series - Product Features

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PN 240005129 Rev. C [03/01/2018]
PRODUCT FEATURES
1. Powerful 30 VA transformer – will operate up to 15
zones. (ARM-2) uses 20 VA transformer.
2. Electronic fuse on transformer secondary protects
transformer from excessive loading. Automatically
resets.
3. Data Port terminal allows for an easy connection of the
DPM-2 outdoor reset control.
4. Three second time delay for boiler shutoff.
5. 24 VAC transformer terminals – for easy connection
of 3-wire thermostats and eld replacement of
transformer.
6. Clearly marked terminals with clamping plates and
plenty of room for wiring.
7. Expansion module plug-in – makes adding zone(s) easy
and economical through the use of the Argo AD-1 &
AD-4 expansion modules.
8. Priority zone safety timer – Priority feature will turn
off (light off) temporarily if priority zone calls for heat
longer than 30 minutes, allowing all zones to operate
independently of each other. Repeats every 30
minutes.
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS
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9. Separate X-X (isolated switch) and ZC-ZR relays protect
boiler aquastat – can be used with either “cold start” or
“tankless coil” boiler application. ARM-2 controls do not
have ZC-ZR terminals.
NOTE: terminals ZC-ZR are 120VAC Connections.
10. Plug-in replaceable relays for long life. High relay load
rating – 1/3 HP. U.L./CSA listed.
11. LED lights turn on when relay contacts are closed.
Makes for easy troubleshooting by indicting relay
operating status.
12. Switchable priority improves versatility.
13. Double sided printed circuit board construction 100%
factory tested. Advanced printed circuitry compatible
wi t h m o s t pr o g r a m m a b l e t h e r m o s t a t s .
NOTE: The 4-zone ARM-4P is featured in this manual.
The ARM2-P, ARM-3P, and ARM-6P circulator relays have
identical electrical specications. Differences in operating
features are noted in this manual.
14. ARM Series Switching Relays have a 5-year warranty,
AD Expansion Modules have 18-month warranty.