ZYMBO AATT Ventilarredo RX-200/ECO, Руководство по обслуживанию

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ZYMBO AATT
Ventilarredo Service Manual – English Pag. 67
7.11 CONTROL FUNCTION
7.11.1 Two-Pipes system without motorized valve
7.4.1.1 Cool mode
When unit is selected with heat only mode(PR1 setting), cool mode would be invalid.
1)
AUX1(Hot water free contact) always off.
2) If Tr(Room air temperature) >= Ts(Setting tempe1 ºC , cool operation is activated,
AUX2(Cold water free contact) is on. Indoor fan runs with anti-hot air setting.
3) If Tr(Room air temperature)< Ts(Setting temperature), cool operation is terminated, AUX2(Cold
water free contact) is off. Indoor fan runs at set speed.
4) The range of Ts(Setting temperature) is16~30 ºC, or work with PR07 setting.
5) Indoor fan speed can be adjusted with 6 Auto when no humidistat kit connected, or RH is
<70% with humidistat kit connected.
6) If RH is >=70% with humidistat kit connected, indoor fan would work with 3
rd
-6
th
Auto (3
rd
speed is the min speed).
7) Indoor fan would delay seconds when unit is turned OFF.
Anti-hot air setting in cooling mode
1) AUX1(Hot water free contact) always off.
2) If Til(Chilled water coil temperature exchanger temperature) >15 ºC
（
or depend from PR5 setting
）
,
indoor fan remains off. If Til could not reach 15 ºC for continuous 40 minutes (or PR12 setting),
LCD would display error code: E6.
3) If Til(Chilled water coil temperature exchanger temperature)
≦
15 ºC(or depend from PR5 setting)
for 2 minutes, or Til
≦
2 ºC , indoor fan works as setting speed.
Below the speed required for Mini size ( one fan ) and Medi size (two fans)
Important note on fan speed:
1)
Machine in cooling have 6 Auto
2) Machine in Heating have 6 Auto + Static ( No fan )
3) From command on board is possible to select 6 speed + auto + static .
4) From Saturn wired wall pad is possible to select 6 speed + auto
RX-200/EXC RX-400/EXC
Step
Speed1 (rpm) Speed2 (rpm) Speed1 (rpm)
Speed2 (rpm)
6
850 650 850 650
5
800 600 800 600
4
700 550 700 550
3
600 500 600 500
2
550 450 550 450
1
500 400 500 400
static
0 0 0 0