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CLIMATE CONTROL SOLUTIONS
Alarms
Alarm boards are optional
and can be factory or field
installed. See inside of
controller for any alarm
functions.
Power Loss Sys. 1
Power Loss Sys. 2
Refrig. Alarm Sys. 1
Refrig. Alarm Sys. 2
Fire/Smoke Alarm
Low Temp. Alarm
High Temp. Alarm 1
High Temp. Alarm 2
Lead/Lag Controller
Failure Alarm
1
Temperature at local (main) Sensor
2
Temperature at Remote 1 sensor location*
3
Temperature at Remote 2 sensor location*
4
Cooling setpoint temperature
(65 to 90F or 18.3 to 32.2C - Default is 77F/25C)
5
Deadband between cooling and heating setpoint
(2 to 40F or 1.1 to 22.2C - Default is 17F/9.4C)
6
Continuous blower operation
(None, Lead, Both - Default is None)
7
Degree display (F or C - Default is F)
8
Alternating Lead-Lag-Lead-Lag Sequence or
Non-Alternating Lead-Lead-Lag-Lag Sequence
(Yes or No - Default is Yes for Alternating)
9
Lead-Lag changeover time (Days)
(1 to 30 days, or 0 for disabled - Default is 7)
10
Heat pump logic enabled - only for 1-stage
heat pumps and forces Lead-Lag sequence
and overrides a Non-Alt setting
(Yes or No - Default is No)
11
Unit 1 and 2 blowers automatically both run if
delta T>5F between any 2 connected sensors
(Yes or No - Default is Yes)
MC4000
Solid State Dual Unit Lead Lag Controller
1st
2nd
3rd
Stage
Stage
Stage
Stage
1st
2nd
3rd
Stage
Stage
Stage
Stage
Lead
Unit
Unit
Unit
#1
#2
On
Off
Program
Advance
Change
Save
12
3-minute lead unit & 4-minute lag unit off-delay enabled
13
Minimum of 3-minute compressor runtime enabled
14
Low temperature alarm setpoint
15
High temperature alarm Level 1 setpoint
(70F to 120F or 21.1 to 48.8C - Default is 90F/32.2C)
16
High temperature alarm Level 2 setpoint (70F to 120F or 21.1 to 49C - Default is 95F/35C)
17
Inter-stage differential from Stage 1 to 2
18
Inter-stage differential from Stage 2 to 3
19
Inter-stage differential from Stage 3 to Stage 4
20
Turn "On" above SP for Stage 1 Cooling
21
Turn "Off" below SP for Stage 1 Cooling
Note: For CSon and CSoF Stage 2, 3 and 4 Cooling are automatically same as Stage 1
22
All Heating stages are equal -/+ On & Off differential
23
1 or 2-stage compressor, if set to 1 the 2nd-Stage Cooling Alarm activates on Cooling Call 2
If set to 2 the 2nd-Stage Cooling Alarm activates on Cooling Call 3.
24
Controller is Locked. Consult building authority for further instructions.
*
r1 and r2 will display temperature only if optional remote sensors are installed.
If sensors are not installed these are omitted in the display sequence. If r1 and/or r2 sensor
installed the MC4000 will control to the "average" of the connected sensors.
Consult installation instructions for additional details.
7961-731
Operating Instructions
4th
Cooling
1. To swap lead and lag units press "ADVANCE" .
2. To enter the Program mode press the
4th
Heating
"Program" button and release it when "Pro9"
appears. Use "DOWN" or "UP" arrows to
scroll through menu.
Digital
3. A "Flashing" display means that the function
or choice is "Set", and the display will alternate
Display
between the step function and setting.
4. To change the setting of any step press
Dehumid.
the "Change" button and the display will
stop flashing, allowing change to the
Operation
setting by using the "Down" or "Up" arrows.
When desired setting is reached press the
"Save" button, and proceed as desired.
5. When done programming press the
"Program" button until display stops flashing
and room temperature is shown. If no buttons
are pushed within 30-seconds the controller
will automatically revert back to "Run" mode.
Comfort Mode
Press "Comfort" button once to reset to 72F/22C
Cooling and 68F/20C Heating for 1-hour. Display
will flash during override period. Press 2nd-time to
cancel during override if desired, or controller will
automatically revert to selected SP after 1-hour.
Program Menu
Comfort
NOTE: Push and hold Up or Down arrows for 1-second
until display blanks to move between steps.
(28 to 65F or 21.1 to 48.8C - Default is 45F/7.2C)
Series
(Yes or No - Default is No)
(Yes or No - Default is No)
(2, 3, 4, 5 or 6F - Default is 4)
(2 or 3F - Default is 2)
(2 or 3F - Default is 2)
(+1 or +2 - Default is +2)
(-1, -2, -3, or -4F - Default is -2)
(-1/+1 or -2/+2 - Default is -2/+2)
(1 or 2 - Default is 1)
Manual
2100S563B
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