Table - Lennox LGH 036 Installation Instructions Manual

E2009 Lennox Industries Inc.
Dallas, Texas, USA
INSTALLATION INSTRUCTIONS FOR LONTALK MODULE KIT
(11W28) USED WITH LG/LC/LH & SG/SC AND ENERGENCET ROOFTOP UNITS
Table of Contents
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring IMC / M2 Unit Controller
Communications Check Out
LonWorks Network Connection
Network Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Network Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Network Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Update Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start Up & Normal Unit Operation
Zone Sensor Setpoints . . . . . . . . . . . . . . . . . . . . . . . . .
Inputs to/Outputs from IMC / M2 Unit Controller
Alarm Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTE − Disregard shipping and packing list and installation
sections when module is factory−installed.
Shipping and Packing List
Package 1 of 1 contains:
1− LonTalk module
4− #6 − 32 X 7/8" Screws
1− Mounting plate (used on 090−300S units only)
2− #10 − 16 X 5/8" Sheet metal screws (used on
090−300S units only)
1− 3−ft. length SYSBUS cable
1− 3 ft. length thermostat wire
1− Wiring diagram
Technical Assistance
For assistance contact Lennox Technical Support at
800−453−6669.
Version Required
This module requires a rooftop unit IMC M1−7 (version 5.02
or higher), M1−8, or M2 Unit Controller. An IMC upgrade kit
12/09
*2P1209*
CONTROLS
KITS AND ACCESSORIES
506217−01
12/09
Supersedes 505080M
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . .
. . .
is available for earlier M1−7 versions. M1−6 and earlier IMC
versions cannot be upgraded for use with the LonTalk
2
module. M1−8 displays version when powered up in the
2
scrolling text (may need to clear error codes). For display-
4
ing version on M1−7:
5
1. Locate IMC board in compressor area. Refer to IMC
6
manual provided with rooftop unit.
6
2. Set the MODE DIP UNIT TEST" and RECALL"
6
switches to ON" (see figure 2).
7
7
3. The IMC LEDs will display the current IMC version
7
(see figure 1).
7
4. Be certain to return the UNIT TEST" and RECALL"
8
switches to OFF" after viewing the version number.
8
Communication to the IMC is interrupted while these
MODE DIP switches are ON".
Set the MODE DIP
UNIT TEST" and RE-
CALL" switches to ON".
Figure 1. Check M1−7, M1−8 Software Version
Improper installation, adjustment, alteration, ser-
vice or maintenance can cause property damage,
personal injury or loss of life. Installation and ser-
vice must be performed by a qualified installer or
service agency.
Page 1
®
LonTalk MODULE KIT
MODE
ON
UNIT TEST
RECALL
ECTO
TEMP
OPT2
SHIFT
LED will display cur-
rent software version.
and Address
WARNING
506217−01
*P506217-01*
Litho U.S.A.