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6.11
Operational States
The table below defines the operating state of each device (motor, valve, etc) in the unit
for all available inputs. Priority increases from left to right in the tables.
400C Enerboss States
DEVICE
STATE
Blower
Priority to high speed calls
Off
Low
Med
High
A+!Y+!G
G
H
W+Th<100
Y+Th<70
W+Th>100
(min 1 - 15)*
W+Th>100
(min 16 - 30)*
W+Th>100
(min 31+)*
Timing in ECM motor
HRV
Priority to high speed calls->
Off
Low
High
A+!Y+!G
G
H
W any
Y
Defrost Damper
Off (closed to outside)
ON (ventilate)Off (closed to outside)
No calls
G,Y,W
D (min 1-4 )
Off 4 min On 36 min scan D and repeat if D=ON
H
Input Definition
A
Fan Switch - AUTO
G
Fan Low
H
Range Hood interlock
H
Bathroom Light
OA Throttling Damper
Y
Cool
Off (open)
ON (throttled)
W
Heat
H
W+Th>100+!H+!D
Th
Thermister (Degrees F)
G+!W+!Y
Y+Th<70+!H+!D
D
Defrost Switch
No calls
₊
And
!
Not
Water Control Valve - Cooling
Off
ON
Y+Th>75
Y+Th<75
After 5 min of valve closure, if Y is still calling, repeat sequence above
Water Control Valve - Heating
Off
ON
Opens valve for 1 min. Thermister scans; if after 60 s, < 100F valve closes.
W+Th<100
W+Th>100
After 5 min of valve closure, if W is still calling, repeat sequence above
D&G
on 1 min, off 39 min scan D and repeat if "on"
D!G
Notes:
Th<40
end when Th>80F!W (temperatures in Fahrenheit)
* Y & W fan speeds are staged:-
Min 1 to 15 fan speed is at 44% of High
Min 16 to 30 fan speed is at 56% of High
Min 31 + fan speed is at 100%
Fan reverts to default low (Fan ON mode) or off (Fan AUTO mode) as soon as t-stat is satisfied.
HRV Fan Speed Set points
Low Speed
High speed
Increase G+S3+S1
H+S3+S1
store to EEPROM when S3 clears
Decrease G+S3+S2
H+S3+S2
store to EEPROM when S3 clears
Opens valve for 1 min. Thermister scans; if after 60 s
>75F valve closes.
Summary of Contents for Enerboss 400C Series
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