AIR SOURCE HEAT PUMP WATER HEATER SERVICE MANUAL
12
5
Display of system time, preset time,
timer setting and running
parameters.
10
Display of the sub-controller. (This function is
reserved.)
3 Query Parameters
This function is provided for the debugging personnel to query running status of the unit. After
pressing and holding MODE+ button for 5s, the parameter display area blinks. 00 is displayed by
default. The buttons can be pressed to switch the query item.
Query codes are described in the following table.
Query Code
Query Parameter
00 00 by default
01 Communication protocol version
02 Temperature of the temperature sensor for water outlet pipe
03
Temperature of the upper temperature sensor of the water tank (detected by the
mainboard)
04 Temperature of the outdoor ambient temperature sensor
05 Reserved
06 Temperature of the air intake temperature sensor
08 Temperature of the air exhaust temperature sensor
13 Temperature of the temperature sensor for outdoor pipe
16 Temperature of the water temperature sensor
17
Display of single or dual temperature sensor (01 indicates single temperature sensor
and 02 indicates dual temperature sensor)
18
Temperature of the middle temperature sensor of the water tank (part of units have the
temperature sensor)
19 Temperature of the upper temperature sensor of the water tank
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