Communications Check Out; Table - Lennox LGH 036 Installation Instructions Manual

LonTalk Zone Sensor Installed:
1. Set ECTO 6.01 to option 3 (zone sensor system mode
with return air temperature back−up).
2. Set ECTO 6.17 to option 1 (continuous blower during
occupied).
3. Set ECTO 5.27 to option 2 (network zone sensor op-
tion).
IMC Settings:
1. Be sure the occupied 24 VAC input is energized by
adding a jumper wire between TB1−8 and 9. In the
event that communication is lost between the LonTalk
module and the IMC, the IMC will operate in the occu-
pied mode and use the occupied backup setpoints.
2. Change IMC UNIT ADDRESS DIP switch to 2 (see fig-
ure 7).
SET THE ADDRESS DIP
SWITCH TO 2
Figure 7. Address DIP Switch
Settings: M2 Controllers
On the M2 Unit Controller, select SETTINGS > CONTROL
> L CONN as shown in the following diagram; default set-
ting for ADDR (address) is 2. Confirm the address and
change if necessary.
SETTINGS
CONTROL
L CONN
ADDR:02
On the M2 Unit Controller, select SETTINGS > CONTROL
> LONTALK as shown in the following diagram; default set-
tings will be used. You may adjust those settings to suit the
building's requirements. The following diagram shows the
LONTALK menu's structure and how to make changes.
SETTINGS
1 0
2 2
4 0
8 0
16 +0
Communication Check−Out
=2
LonTalk Module Communication
Use the following table as a guide once the controller and
LonTalk Module are connected and powered (LEDs are
shown in Details A and B in figure 6).
LED
BUS and XMIT
LEDs flash.
BUS and XMIT
LEDs are off.
BUS LED flashes
but XMIT LED is
off.
LonWorks Network Communication
Use the following table as a guide once the LonWorks net-
work is set up and operating.
LED
LonWorks communica-
tion LEDs L1 & L3 flash.
LonWorks communica-
tion LED L1 & L3 are off.
Page 5
CONTROL
LONTALK
CONTROL MODE
BACKUP SENSOR
OCP HEAT BU STPT
UNOCP HEAT BU STPT
OCP COOL BU STPT
UNOCP COOL BU STPT
STARTUP DELAY (2 − 30)
OVERRIDE TIMER (0 8HR)
BLOWER ON OCP
NETWORK COMFORT SENSOR
Action
None. Indicates normal communica-
tion.
1−Check cable connection between the
modules.
2−Reverse polarity of the cable between
the and LonTalk Module.
3−Check 24VAC power to LonTalk mod-
ule.
1−Make sure unit address is set to 2.
2−Make sure MODE DIP RECALL
switch is OFF. (M1 controllers only)
3−Make sure MODE DIP ECTO switch
is OFF. (M1 controllers only)
4−Make sure MODE DIP UNIT TEST
switch is OFF. (M1 controllers only)
Action
None.
Indicates normal communication.
1−Check LonWorks network con-
nections.
2−Make sure LonWorks network is
commissioned.
3−Make sure 24 volts is con-
nected to the LonWorks module.
MONITOR ONLY
ZONE
1. NO BACKUP
2. TSTAT
3. RET AIR SENSOR
70.0ºF
60.0ºF
75.0ºF
85.0ºF
2 MIN
1 HR
CYCLES OR
CONTINUOUS