YES
YES
NO
NO
Normal operation
Trouble observed
Stop
Dry operations
4-way valve OFF
Test run start
Inlet temp.
≥
18
°
C
Notes :
❉
1 When indoor unit inlet temperature exceeds 18
°
C, outdoor unit (compressor) and indoor unit fan start intermittent operations
synchronously. The fan always operates (at low spped) when it decreases below 18˚C. Operations of outdoor unit, indoor unit
LEV and solenoid valve accompanying compressor ON are the same as those in cooling operations.
❉
2 Thermostat is always kept on in test run, and indoor and outdoor unit intermittent operation (ON) time is a little longer than
normal operations.
1. Indoor unit fan stop
2. Inverter output 0Hz
3. Indoor unit LEV, BC LEV
fully closed
4. Solenoid valve OFF
5. Outdoor unit fan stop
6. 52C1 OFF
7. BC SV OFF
1. Outdoor unit (Compressor)
intermittent operations
2. Indoor unit fan intermittent
operations
(Synchronized with compressor
: low speed, OFF operations)
Thermostat ON
Note:
❉
2
Note:
❉
1
1 or 2
- 107 -
(3) Dry operation
Содержание PURY-P200
Страница 49: ... 46 Heat exchanger Fan guard Heat exchanger Fan guard P400 type Front view of the unit Rear view of the unit ...
Страница 57: ... 54 CNVDC DC bus voltage input 1 3 LED1 LED2 SW2 CNTR IPM back CNN Fan motor output Fuse CNRS2 3 FAN board ...
Страница 64: ... 61 Relay board RELAY 4 board Relay board RELAY 10 board ...