Toshiba ESTIA R32 HWT-1101F21MT6W-E, Manual

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22 I TOSHIBA 22 I TOSHIBA
Function check via PCB switch
Function check mode
In this mode, the functions of the 2-way valve, the 3-way valve, the mixing valve, and the circulation pump can be checked.
This process applies when the Hydrobox and outdoor unit are switched on.
Function check mode
(1) Preparation
1) Switch all remote controls for hot water supply and heating to "OFF".
2) Switch off the Hydrobox and the outdoor unit.
3) Remove the front panel of the Hydrobox.
4) Set DIP_SW705_3 to "ON".
(2) Function check
1) Switch on the Hydrobox and the outdoor unit.
2) Turn the SW700 rotary switch to position "0" and press the SW703 key switch for 5 seconds or longer.
3) Each process can be checked by turning the SW700.
4) Set DIP_SW705_3 to "OFF" to complete the process.
Rotary
switch
Check of the content Comment
0 Not used OP.CH
1 2-way valve Active for approx. 2 seconds, inactive for 3 seconds 2.ON
↔
2.OFF
2
3-way valve Active for 4 minutes (heating/cooling)
Active for 4 minutes (hot water preparation) 7-segment display
ON
→
Heating, OFF
→
Hot water 3.ON
↔
3.OFF
3
Mixing valve Active for 30 seconds in the forward direction
Active for 30 seconds in the reverse direction F.ON
↔
F.OFF
4 Integrated circulation pump Active / inactive for 20 seconds P.ON
↔
P.OFF
5 External circulation pump 2 Active / inactive for 20 seconds P2.ON
↔
P2.OFF
6 Not used
7
Water heating backup heater Repeat Heating 1, Heating 2 and OFF every 20 seconds The integrated circulation pump is active.
H.ON
↔
H.OFF
8 Hot water generator Active / inactive for 20 seconds dH.ON
↔
dH.OFF
9
Booster heating Active / inactive for 20 seconds The integrated circulation pump and
external circulation pump are active.
bH.ON
↔
bH.OFF
A Check the alarm output. Output for 20 sec. / no output for 20 sec. 01.ON
↔
01.OFF
B Check the boiler output. Output for 20 sec. / no output for 20 sec. 02.ON
↔
02.OFF
C Check the defrost output. Output for 20 sec. / no output for 20 sec. 03.ON
↔
03.OFF
D Check the operating output. Output for 20 sec. / no output for 20 sec. 04.ON
↔
04.OFF
E Not used
F
Integrated circulation pump
Continuous operation Continuous operation Continuous operation of the circulation
pump does not work if there is no water
in the Hydrobox.
P1.ON
↔
Flow display
FUNCTION CHECK VIA PCB SWITCH