Brochure

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1/3 HP per individual zone
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plug-in cards required
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“no heat” call backs due to blown fuse
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shooting in the hands of the authorized heating professionals
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Specifications
Specifications
RELAYS ZONETROL
™
Switching Relays
for Zoning with Valves
Features
Model No. Part No. Zones
Priority
Feature
Transformer
Output
at 24 Volts
Relay
Switching
Action
Each End
Switch Contact
Rating
Dimension
W x H x D (inches)
Approx.
Shpg. Wt.
(lbs.)
ZTV-4 109407 4 yes 40 VA DPDT
5A, 1/8 HP
@ 120VAC
9-1/4 x 7-1/4 x 2-3/4 4.6
ZTV-6 109408 6 yes 75 VA DPDT 11-3/8 x7-1/4 x 3-3/4 6.9
RELAYS ZONETROL II Switching Relays
with Reset Option for Zoning with Pumps
Description
Bell & Gossett’s ZoneTrol II is a ready-to-install controller for hydronic
circulators in residential and light commercial applications. All ZoneTrol II
controllers are UL and cUL listed and feature multi-function LEDs that are
visible without removing the cover for easy start-up and troubleshooting.
All units are compatible with analog and digital 24 VAC thermostats,
including “power stealing” designs. The multi-zone controllers feature an
advanced microprocessor design that provides domestic hot water (DHW)
priority & timer, pump exercise and a post purge timer without the need
for add-on circuit boards or modules.
Four and six zone controllers are field expandable for up to 18 pumps.
* fits 4 and 6 zone controllers only – one required for each slave controller.
Model
Number
Part
Number
Zones
Combined Load
(max.) @ 120 VAC
Dimensions W x L x D
Inches (mm)
Weight
Lbs (kg)
Z-1 109424 1 5 amps 6.5 x 5 x 3 (165 x 127 x 76) 2.6 (1.18)
Z-2 109425 2 20 amps 6.5 x 5 x 3 (165 x 127 x 76) 3 (1.36)
Z-3 109426 3 20 amps 6.5 x 5 x 3 (165 x 127 x 76) 3.1 (1.4)
Z-4 109427 4 20 amps 13.5 x 8.25 x 3.25 (343 x 210 x 83) 7.3 (3.3)
Z-6 109430
6
13.5 x 8.25 x 3.25 (343 x 210 x 83)
7.5 (3.4)
ZC-11* 109454
Communication cable for connection of multiple controllers
0.1 (0.05)
20 amps
Standard Features (multiple zone controllers only)
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functionality), 30 minutes and 60 minutes.
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The next generation of zone controllers
from Bell & Gossett brings 21st century
technology to residential controls.