8
Energy-Recovery Ventilation
System Service Manual
CONTROL
2 MAIN LOGIC
2.1 Auto Mode
Detect the temperature indoor and outdoor for durative a period of time.
(1) The system will operate under by pass mode according to temperature and temperature difference between room and
outdoors is little in transient season.
The system will operate as such request:
By Pass air valve opens, the air discharge fan and air supply fan will operate according to setting fan speed.
(2) The system will operate under heat exchange mode according to temperature and temperature difference between
room and outdoors is large in transient season.
The system will operate as such request:
By Pass air valve closes, the air discharge fan and air supply fan will operate according to setting fan speed.
(3) The system will operate according to the primary mode before the system was off.
2.2 By-pass Mode
(1) Under By pass mode, air valve is open.
(2)
The system will operate as such request:
If the air valve is close, the air discharge fan and air supply fan will stop. When the air valve is open , the fan will operate
according to setting fan speed.
2.3 Heat exchange Mode
(1) Under Heat Exchange mode, the air valve is close.
(2)
The system will operate as such request:
Electrify the air valve motor, judge the position of the air valve. The air discharge fan and air supply fan will stop if the air
valve is open, or they will operate according to setting fan speed.
3 WIRED REMOTE CONTROLLER
3.1 Operation View
Fig.1 Front panel of wired controller
1
Timing set point
10
Mode key
2
Energy saving status
11
Humidity increasing key
3
Humidity set point
12
Humidity decreasing key
4
Environment temperature
13
Fan speed key
5
Air mode status (fresh air,
discharge air, supply air)
14
Switching key
6
Fan speed status (hi/medium/low)
15
Timing key
7
Mode status (Auto, Bypass,
Heat exchange)
16
On/Off key
8
Error status
17
Reset key
9
Filter cleaning status
18
Child lock icon
Notice: For FHBQ-D15 and FHBQ-D20, there is no discharge air and supply air modes for the item number 5 and fan
speed is uncontrolled for the item number 6.
Summary of Contents for EH01100030
Page 1: ...Energy Recovery Ventilation System Service Manual GC201202 I ...
Page 3: ...1 Energy Recovery Ventilation System Service Manual PRODUCT PRODUCT ...
Page 8: ...6 Energy Recovery Ventilation System Service Manual CONTROL CONTROL ...
Page 9: ...7 Energy Recovery Ventilation System Service Manual CONTROL CONTROL 1 OPERATION FLOWCHART ...
Page 18: ...16 Energy Recovery Ventilation System Service Manual INSTALLATION ...
Page 24: ...22 Energy Recovery Ventilation System Service Manual MAINTENANCE ...
Page 26: ...24 Energy Recovery Ventilation System Service Manual 2 FLOW CHART OF TROUBLE SHOOTING ...
Page 28: ...26 Energy Recovery Ventilation System Service Manual 3 Model FHBQ D15 D FHBQ D20 D ...
Page 34: ...32 Energy Recovery Ventilation System Service Manual 2 Exploded view for model FHBQ D30 M D ...
Page 36: ...JF00300198 global cn gree com ...