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© 2004 Lennox Industries Inc.
Dallas, Texas, USA
Litho U.S.A.
504,926M
5/2004
LZP-2
ZONE CONTROL PANEL
INSTALLATION INSTRUCTIONS FOR ZONE CONTROL PANELS
USED WITH LENNOX HEATING AND COOLING EQUIPMENT
Shipping & Packing List
Package 1 of 1 contains the following:
(1) Model LZP-2 Zone Control Panel
(1) Model 88K38 Temperature Sensor
(1) Installation Instructions
(1) Owners Manual
(1) Warranty Card
Required Components (ordered separately):
24 VAC Transformer – The size of the transformer
needed is determined by the total power requirements
for the control panel, thermostats and dampers. The
control panel and thermostats together require 10VA.
The dampers require 10VA each. The size of the
transformer will depend on the greatest number of
dampers that could be energized at any given time.
NOTE – When power closed/spring open dampers
are used, at least one zone’s dampers will not be
energized during a call for heating or cooling.
Thermostats – single-stage, electronic, 24-volt
heat/cool thermostats which include a “C”
(24VAC common) terminal. Do not use mechanical
or power robbing thermostats.
Dampers – 2 or 3-wire, 24-volt dampers required.
2-wire, power closed/spring open preferred.
ZONING SYSTEM
TABLE 1 – TRANSFORMERS
Part Number Size Voltage Description
10P17 40VA 120/208/240V-24V
10P87 50VA 120/208/240V-24V
12P61 75VA 120/208/240V-24V
83P74 4" Square Electrical Box
FIGURE 1 – LENNOX
®
MODEL LZP-2 CONTROL PANEL LAYOUT