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ITT Bell & Gossett ZoneTrol II Z-1 Installation, Operation And Service Instructions

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U L
C
US
®
LISTED
Installation, Operation and Service Instructions
INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER'S USE.
SAFETY
INSTRUCTION
This safety alert symbol will be used in this manual and on the
unit safety instructions decal to draw attention to safety related
instructions. When used, the safety alert symbol means ATTEN-
TION! BECOME ALERT! YOUR SAFETY IS INVOLVED!
FAILURE TO FOLLOW THE INSTRUCTIONS MAY RESULT
IN A SAFETY HAZARD.
DESCRIPTION
The Bell & Gossett ZoneTrol II and McDonnell & Miller Zone-
Smart Pump Controllers are designed to control 120 VAC
circulating pumps in hydronic systems.
T-stat
Model
Current
Z-1 / ZS-1
0.085
LED DEFINITION
Power LED will illuminate when input power is applied to the
controller. Zone LED will illuminate when relay is energized.
MECHANICAL INSTALLATION
INSTRUCTIONS
The pump controller should be securely mounted on a wall
near the pumps using four #8 screws (not included).
Bell & Gossett
Model Z-1
McDonnell & Miller ZoneSmart
Model ZS-1
Max.
Number of
Max.
Zones
HP/Pump
1
1/3
Instruction Manual 210711
®
ZoneTrol II
ELECTRICAL INSTALLATION
INSTRUCTIONS
WARNING: Electrical Shock Hazard
Electrical connections are to be made by a qualified
electrician in accordance with all applicable codes, ordi-
nances and good practices Disconnect and lock out the
power before making electrical connections. Failure to fol-
low these instructions could result in serious personal injury
and/or death.
1. Disconnect the electrical supply to the pump before
installing the controller.
2. Refer to the applicable wiring diagram
- Figure 1: Cold Start Boiler
- Figure 2: Tankless Coil
3. Verify that the circulator(s) do not exceed the electrical rat-
ing of the controller.
4. Make electrical connections according to the applicable
wiring diagram. Run the pump power through the holes in
the controller chassis to the applicable L/N terminals. Keep
120 VAC and 24 VAC wiring separate. All 120 VAC wiring
should be 14 AWG (minimum) copper electrical. Perform all
wiring in accordance with applicable codes.
5. Run the thermostat wires through the grommet(s) in the
controller chassis and connect to the appropriate R/W ter-
minals. Keep 24 VAC wiring separate from 120 VAC wiring.
WARNING: Electrical Shock Hazard
When wiring per the Tankless Coil Application, pump
controller and boiler aquastat must be on the same circuit
and have a common disconnect. Failure to follow these
instructions may introduce a secondary source of power
resulting in personal injury or death.
REVISION
A1

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Summary of Contents for ITT Bell & Gossett ZoneTrol II Z-1

  • Page 1 Instruction Manual 210711 REVISION Bell & Gossett ® ZoneTrol II ™ Model Z-1 McDonnell & Miller ZoneSmart ™ Model ZS-1 ® LISTED Installation, Operation and Service Instructions INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE. SAFETY ELECTRICAL INSTALLATION INSTRUCTION INSTRUCTIONS This safety alert symbol will be used in this manual and on the WARNING: Electrical Shock Hazard...
  • Page 2 © COPYRIGHT 2007 BY 8200 N. Austin Avenue ITT CORPORATION Morton Grove, IL 60053 PRINTED IN U.S.A. 9-07 Phone: (847) 966-3700 THE ITT ENGINEERED BLOCKS SYMBOL AND Fax: (847) 966-9052 ENGINEERED FOR LIFE ARE REGISTERED www.bellgossett.com TRADEMARKS OF ITT CORPORATION www.mcdonnellmiller.com...

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Zs-1Mcdonnell & miller zonesmart