Wiring Guide
107
TACO Zone Controls Cross-Reference (Continued)
NOTES:
1. Does not have both normally open and normally closed contacts.
2. Has only one set of normally open contacts (SPST).
3. Does not have optional priority.
4. Can be expanded to five and six zones with the addition of EXP10 relays.
5. Argo ARM units are expandable to 10 zones using special controls (ARM-1,ARM-4) with a phone jack.
TACO switching relays can be expanded up to 120 zones using any combination of -EXP models with no special connections.
6. Includes only one data port for adding data port modules.
7. All TACO zone valve controls include an extra set of dry contacts (N/O, Common, N/C).
8. VL500 is only 5 zones, 4 normal and 1 priority.
9. Use with Honeywell AQ1000 thermostats.
TAC O ARGO ERIE HONEYWELL
ADD-ON POWER CONTROLS
Boiler Reset Control
2-Stage Boiler Reset Control
Variable Speed Pump Injection Mixing Control
PC700
PC702
PC705
DPM-2 BB1200
BB3000
AQ25110B
AQ25400B
FAN CONTROLS
1 Zone Hydro Air Fan Control (1 or 2 Speed)
1 Zone Hydro Air Fan Control with Time Delays (1 or 2 Speed)
HAFC101
HAFC201
ARH-1, ARH-2, ARH-3 WA300