7-15
CONTROL SYSTEM
Revision Y05-01
Service Manual - EMD Series
4.2. Heating, RC or SH Group
Mode: Heat, Auto (at heating)
Temp: Selected
desired
temperature
Fan:
HIGH, MED, LOW
Timer: Any
I Feel: On or Off
Sequence Diagram
Maintains room temp. at desired level by comparing RAT or RCT to SPT.
(RT - SPT) [
o
c]
+2
+1
0
-1
-2
-3
-4
ON
OFF
ON
OFF
ON
OFF
COMP
(WVL)
HE1
HE2
ON
OFF
RV
Содержание EMD 27
Страница 35: ...6 2 REFRIGERATION DIAGRAMS Revision Y05 01 Service Manual EMD Series 6 2 Model EMD 35 RC Heat Pump...
Страница 36: ...6 3 REFRIGERATION DIAGRAMS Revision Y05 01 Service Manual EMD Series 6 3 Models EMD 27 35 ST Cooling Only...
Страница 37: ...6 4 REFRIGERATION DIAGRAMS Revision Y05 01 Service Manual EMD Series 6 4 Models EMD 40 45 50 60 RC Heat Pump...
Страница 38: ...6 5 REFRIGERATION DIAGRAMS Revision Y05 01 Service Manual EMD Series 6 5 Model EMD 40 45 50 ST Cooling Only...
Страница 43: ...7 4 CONTROL SYSTEM Revision Y05 01 Service Manual EMD Series GANG BOARD DISPLAY BOARD...