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Dated 17/09/19 V1.2
ESP-HC-DHW 11DC
ESP-HC-DHW 17DC
Press the M and▲keys together until the control beeps and change the parameters.
THESE SHOULD NOT BE CHANGED WITHOUT CONSULTING THE INSTALLING
ENGINEER
Please Note:
Parameters P21 to P25 are different for different models and can only be set during the production (see
below). Not all parameters are applicable to Solis units.
P14 Functional parameter (to control seasonal valve and solar
valve, UK may not use it)
0:G3 is seasonal switching valve,
1:G3is solar valve
0
P15 Set Temperature (target temperature) Cooling
If applicable will be set by Installer
P16 Set Temperature (target temperature) Heating
Will be set by Installer
P17 Set Temperature (target temperature) for Hot Water
Will be set by Installer if Enabled
P18 Set Temperature (target temperature) for Pasteurization
Do not change
P19 Running with fixed frequency (for factory testing only)
10~100 HZ
50HZ
P20 Running frequency setting (for factory only)
0:manual frequency,
1:auto running frequency
1
P21 EEV manually initial open degree (heating) /2
50~240 (Only valid when P23=3) 175
P22 EEV manually initial open degree (cooling)/2
50~240(Only valid when P23=3)
175
P23 EEV control mode
0:no, 1:checking, 2:manual,
3:auto for factory only
0
P24 EEV Temp differential to stop the valve (heating)
-5~10°C for factory only
0°C
P25 EEV temp differential to stop the valve (cooling)
-5~10°C for factory only
0°C
P26 Water pump working mode
0(no stop), 1(stop when reach temp),
2(running 1 minute every 15minutes)
1
P27 Second heat source validation
0(no), 1(yes)
0
P28 Starting air temp for second heat source
-30~15°C (On when lower than
this)
-15°C
P29 Room target setting temp
10-28°C
21°C
(
H
)
P30 Buffer tank highest temp
35-55°C
45°C
(
G
)
P31 Buffer tank lowest temp
15-30°C
25°C
(
L
)
P32 Water temp adjust range
1-5°C
2°C
(
F
)
P33 Water temp adjust interval
20-255min
120min
(
I
)
P34 Longest counting period
6-48H
24H
(
J
)
P35 Target water temp modification value
-2° C -5°C
2°C
(
E
)
P36 Ambient temp correction factor X100
10-200
75
(
C
)
P37 Starting ambient temp for calculation
-7-15°C
7°C
(
B
)
P38 Temp differential to reduce frequency
4-15°C
7°C
(
T
)
P39 Target of low frequency(when reach the setting of P38, it will
reduce to the P39/100 of the highest
15-90
15
(
U
)
P40 Monitoring interval (to adjust frequency)
1-15min
2min
(
V)
P41 Temp interval (increase or decrease base on this setting.
Every P40 minutes when reach P41 C/2, will change
frequency)
1-4°C
1°C
(
W)
P42 Increase frequency adjustmentX100
2-50(%)
15
(
S)
P43 Decrease frequency adjustment X100
2-50 (%)
15
(
Y)
P44 Target temp tolerance
1-3°C
2°C
(
Z)
P45 AC AU curve offset value (our weather compensation curve
AU)
-15~15°C
0°C
P46 AC AU curve max temp value (our AU)
30~50°C
45°C
P47 Night mode validation (night mode: DHW increase 3C,
AC temp reduce 2C)
0(off), 1(on)
0
P48 Night mode starting point
0-23(time)
22
P49 Night mode ending point
0-23(time)
6
