Toshiba HWS-G2601ENXR-E - D29 External Control

Domestic Hot Water Heat Pump Service Manual
33
 DHW-HP normal operation
 SB Block – SG switch positions: SG1 ON, SG2 Off – DHW-HP stops operation
 SG Boost – SG switch positions; SG1 On, SG2 On – DHW-HP operates with HP & EL Heater
 SG Eco – SG Switch positions; SG1 Off, SG2 On – DHW-HP operates with HP only
 When DHW-HP reaches mode set point (AUTO mode = 53.5°C), DHW-HP stops operation
7.13 D29 External control
This function allows for the external control of the ventilation function using a 0 ~ 10 Volt input.
Using the installer menu, D29 (External control) function.
Code
Set point
name
Description
Range
Factory
setting
D29
OFF
Normal operation.
OFF/
Hygrostat/
Ventilation
Max/
Start-Stop
OFF
Hygrostat
The fan always runs according to the input signal in GC1 (0-10V) from an
external hygrostat, CO
2
– sensor or similar appliances.
1. If the voltage is between 0-3.0V the fan speed id D5 (Fan min speed)
2. If the voltage is between 3.0-8.0V the fan speed is D4 (Fan medium
speed)
3. If the voltage is higher than 8V the fan speed is D3 (Fan max speed)
Ventilation
max
If the ventilation function is already selected,
a signal higher of 2V to GC1 leads to maximum air flow.
Start/
Stop
If GC1 receives a signal higher than 2V, the unit operation is stopped.
0
20
40
60
80
100
120
11:56:00 11:59:00 12:02:00 12:05:00 12:08:00 12:11:00 12:14:00 12:17:00 12:20:00 12:23:00 12:26:00 12:29:00 12:32:00 12:35:00 12:38:00 12:41:00 12:44:00 12:47:00 12:50:00 12:53:00 12:56:00 12:59:00 13:02:00 13:05:00 13:08:00 13:11:00 13:14:00 13:17:00 13:20:00 13:23:00 13:26:00 13:29:00 13:32:00 13:35:00 13:38:00 13:41:00 13:44:00 13:47:00 13:50:00 13:53:00 13:56:00 13:59:00 14:02:00 14:05:00 14:08:00 14:11:00 14:14:00 14:17:00 14:20:00 14:23:00 14:26:00 14:29:00
T3 T water top R4 HP R5 El Heater
SG1 input SG2 input SG state
HP_OnTemp HP_OffTemp
HP Off
HP On
EL Off
EL On
SG1 Off
SG1 On
SG2 Off
SG2 On
SG Off
SG Block
SG1 Eco
SG1 Boost
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