Johnson ICEBERGCP Guide D'utilisation page 103

 If "CURRENT STATE" is OFF, TANK HEATER is invalid.
 If the T5 (temperature sensor of tank) fails, TANK HEATER is
invalid.
 The TANK HEATER function is valid only for once after it's settled.
6.2.4 DHW PUMP
The DHW PUMP function is used to return water from the water
net. The DHW PUMP function can be used only when
PUMP_D is set valid (PUMP_D can be set in "FOR
SERVICEMAN").
Go to " " > '' DOMESTIC HOT WATER(DHW)'' > "DHW PUMP".
Press '' '', the following page will appear:
INFORMATION
i
DOMESTIC HOT WATER（DHW）
DIS- FAST TANK
INFECT DHW HEATER
NO. START NO.
T1 00:00 T4
T2 00:00 T5
T3 00:00 T6
36
1/2
DHW
PUMP
START
00:00
00:00
00:00
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