LAARS M4-LHS - Installation Manual - Manual (Page 6)

HT# 059295-00
A
6
M4-LHS installation and Operation Manual
ParT NuMBEr # Ca009200
1 2
RUN PROGRAM
DO NOT APPLY ANY VOLTAGE
TO INPUT TERMINALS
3 4 5 6 7 8 9 10 11 12 13 15 14 17 16 18 20 19 21 24 23 29 25 27 26 28 30 31
L N
- + + T T O O RS-485 mA GND VLT
SYS A B C D PWR
CUR / VLT
A
- + +
mA GND VLT - + +
mA GND VLT
+ +
mA
22
-
GND VLT
+
mA
TEMP
OUTDOOR
O O
TEMP
SYSTEM EXTENSION
MODULE CUR / VLT
B
CUR / VLT
C
CUR / VLT
D PROVE
/DHW
SHUTDOWN
/SETBACK
CAUTION: RISK OF ELECTRIC SHOCK
More than one disconnect switch may be required
to de-energize the equipment before servicing.
/TSTAT
A
B
C
D
FOR ALL CIRCUITS
120VAC, 6A RESISTIVE
OUTPUT RATINGS:
1A PILOT DUTY, 15A TOTAL
115VAC 60Hz , 30VA MAX
INPUT RATINGS:
USE COPPER WIRE,
CLASS 1 WIRE ONLY.
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
99RA
SYSTEM
M4-LHS
HYBRID CONTROL
STAGE MENU
OD=35 o F SYS=145 o F
<<A>> B
100% 50%
The digital display shows the system status, set point,
lead stage <in brackets>, and status of each stage.
To view and adjust settings, press the appropriate buttons.
LED indicates the
associated relay status.
Buttons function is presented on
Bottom Row of display.
Program Switch to restrict access to
function changes. This switch is
covered with Wiring Enclosure.
120VAC Power
Four N.O. Boiler startup relay
outputs. Each is wired in series
with each boiler's limit circuit.
System Output controls
pumps, valves, or other
system components.
Four modulation/staging outputs can be
4-20mA or Voltage. Go to Startup Menu
to determine the type of output for each stage.
When connecting the control Outdoor Air
Sensor and System Sensor, no polarity is
observed. Prove terminals must be connected
for control to operate boilers.
Connect Extension panels to add
additional stages using a RJ11 cable(cable
provided with Extension) and RJ45-RJ11
Adaptor (Supplied with control) only or add
X-BAC BACnet Interface Module using RJ45
(cable provided with X-BAC Module)
CONTrOL LaYOuT