9-5.Operation Check By Pc Board Switch; 9-5-1.Operation Check Mode - Toshiba HWS-P805XWHM3-E(TR) Service Manual

9-5. Operation check by PC board switch
9-5-1. Operation check mode
This mode allows to check the operations of the water 2-way valve, water 3-way valve, mixing valve, and circulation
pump. This operation is valid when the hydro unit and the outdoor unit are turned on the power.
Operation check mode
(1) Preparation
1) Turn all of the remote controllers "OFF" for the hot water supply and heating.
2) Turn off the hydro unit and the outdoor unit.
3) Remove the front panel of the hydro unit.
4) Set SW06_2 "ON".
(2) Operation check
1) Turn on the hydro unit and the outdoor unit.
2) Rotate switch DIP SW01 to position "1" and press tactile switch SW07 for 5 sec. or longer.
3) Rotating the rotary SW01 allows to check each operation.
4) Set the DIP SW06_2 "OFF" to finish.
Rotary
switch
1 None
2WV_W
2
3 3WV_W
Mixing valve
4
5 Built-in circulation pump
6 External circulation pump 1
7 (External circulation pump 2)
Water heat exchange backup
8
heater
9 Hot water cylinder heater
Backup heater
10
11 Check the alarm output.
12 Check the boiler output.
13 Check the defrost output.
14 Check the operation output.
15 None
Built-in circulation pump
16
continuous operation
Check contents
Alive for approx. 2 sec, not alive for 3
sec
Alive for 30 sec in the forward direction
Alive for 30 sec in the reverse direction
Alive / not alive for 20 sec
Alive / not alive for 20 sec
Alive / not alive for 20 sec
Repeat heater 1, heater 2, and OFF
every 20 sec
Alive / not alive for 10 sec
Alive / not alive for 10 sec
Output for 10 sec / no output for 10 sec
Output for 10 sec / no output for 10 sec
Output for 10 sec / no output for 10 sec
Output for 10 sec / no output for 10 sec
Continuously alive
131
Remark
Reserved
The built-in circulation pump operates.
The built-in circulation pump and external
circulation pump operate.
Do not operate the circulation pump alive
continuously without any water in hydro unit.