Submittal Sheet
Table Of Contents
ZoneTrol II™
Zone Pump Controller
A-360.1
Design Data
† fits 4 & 6 zone controllers only - one required for each slave controller
TYPICAL SPECIFICATIONS
Model
Number
Part
Number Zones
Combined Load
(max.) 120 @ VAC
Dimensions W x L x D
Inches (mm)
Weight
Lbs (kg) Tag
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-4M 109428 4 20 amps 13.5 x 8.25 x 3.25 (343 x 210 x 83) 8.5 (3.9)
Z-4B 109429 4 20 amps 13.5 x 8.25 x 3.25 (343 x 210 x 83) 8.5 (3.9)
Z-6 109430 6 20 amps 13.5 x 8.25 x 3.25 (343 x 210 x 83) 7.5 (3.4)
Z-6M 109431 6 20 amps 13.5 x 8.25 x 3.25 (343 x 210 x 83) 8.7 (3.9)
Z-6B 109432 6 20 amps 13.5 x 8.25 x 3.25 (343 x 210 x 83) 8.7 (3.9)
ZC-11† 109454 Communciation cable for connection of multiple controllers .1 (.05)
Model Z-1
Single Zone Controlle
r
Furnish and install zone pump controller(s) as shown on plans. The
controller(s) shall be UL listed and suitable for operation o
f
circulator pump(s). Controller shall include a transformer, socket
mounted interchangeable plu
g
-in/plug-out relay and prewired
printed circuit board. The zone controller must be rated for 5 amps
and have DPDT switching action
.
A
ll models shall be Bell & Gossett Model Z-1.
Models Z-4B and Z-6B
Multiple Zone Controllers with Boiler Reset
Furnish and install zone pump controller(s) as shown on plans. The
controller(s) shall be UL listed and suitable for operation o
f
_
_______ circulator pumps. Controller shall include a transformer,
relays with SPST switching action and a prewired printed circuit
board. The zone controller shall have user selectable DHW priority
w
ith adjustable timer (30 / 60 minutes, selectable purge timer and
pump exercise functionality. Units requiring plu
g
-in cards fo
r
exercise, purge, priority or expansion shall not be acceptable. LED
s
tatus lights shall be visible through the front of the enclosure. All
models shall be Bell & Gossett Model Z- ________.
Controller shall incorporate a pr
e
-wired integral boiler reset
controller into the enclosure. The controller shall cycle the burner to
maintain the optimum system supply temperature relative to the
o
utdoor air temperature. Warm weather shutdown functionality
s
hall be included to prevent system operation above a use
r
-
s
electable outdoor temperature threshold. All necessary sensors
must be included.
Models Z-2, Z-3, Z-4 and Z-6
Multiple Zone Controllers
Furnish and install zone pump controller(s) as shown on plans. The
controller(s) shall be UL listed and suitable for operation o
f
_
_______ circulator pumps. Controller shall include a transformer,
relays with SPST switching action and a prewired printed circui
t
board. The zone controller shall have user selectable DHW priorit
y
with adjustable timer (30 / 60 minutes, selectable purge timer and
pump exercise functionality. Units requiring plug-in cards fo
r
exercise, purge, priority or expansion shall not be acceptable. LED
status lights shall be visible through the front of the enclosure. All
models shall be Bell & Gossett Model Z- ________.
Models Z-4M and Z-6M
Multiple Zone Controllers with Mix Reset
Furnish and install zone pump controller(s) as shown on plans. The
controller(s) shall be UL listed and suitable for operation o
f
_
_______ circulator pumps. Controller shall include a transformer,
relays with SPST switching action and a prewired printed circui
t
board. The zone controller shall have user selectable DHW priorit
y
with adjustable timer (30 / 60 minutes, selectable purge timer and
pump exercise functionality. Units requiring plug-in cards fo
r
exercise, purge, priority or expansion shall not be acceptable. LED
status lights shall be visible through the front of the enclosure. All
models shall be Bell & Gossett Model Z- ________.
Controller shall incorporate a pre-wired integral mixing rese
t
controller into the enclosure. The controller shall vary the speed o
f
the injection pump to maintain optimum radiant loop temperature
relative to the outdoor air temperature. The boiler return
temperature shall be monitored to ensure that the appropriate
minimum water temperature is not violated. Warm weathe
r
shutdown functionality is activated to prevent system operation
above a user-selectable outdoor temperature threshold. All
necessar
y
sensors must be included.
Xylem Inc.
8200 N. Austin Avenue
Morton Grove, IL 60053
Phone: (847)966-3700
Fax: (847)965-8379
www.xyleminc.com/brands/bellgossett
Bell & Gossett is a trademark of Xylem Inc. or one of its subsidiaries.
© 2012 Xylem Inc.