Firefly FFD-3.8 - Trouble Shooting: Capacity and Frosting Issues

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9.5 Parameter Number and Description Table.
The manometer is a kind of high pressure equipment, when the heat pump is on, the manometer pointer
2
would point to the pressure value of refrigerant, the max. value of protection is 42kg/Cm . When the heat
°
pump is off, the pointer would point to the same value as actual ambient temperature (e.g. 28 C) and related
2
air pressure (e.g.18kg/ Cm ).
Please check the manometer when you restart the heat pump after not using for a long time, if it shows
° °
ambient temperature valve is smaller than 2 C (When the ambient temp. is higher than 2 C), it means that
refrigerant has leaked a lot, and you need to confirm with professional engineer as soon as possible.
NOTE: the machine off code (The No. 13, parameter in the previous table):
2: Water tank temp. sensor breakdown
3: Evaporator coil temp. sensor breakdown
4: Discharge temp. sensor breakdown
5: Discharge temp. is too high, switch off the unit
11: Anti-frozen finished, switch off the unit
12: High-pressure switch cutting
13: Meet set temp
14: Controller power off
No. 32
19: Water flow switch breakdown
No. Content Scope Default Memorized station
0 The incoming electric memorized sign 0-no effective 1-effective 1 The main board
1 Daily circulation sign 0-no effective 1-effective 1 the wire control panel
2 the setting area X 2℃～10℃，Unit：℃ 3 The main board
3 the setting area Y 0℃～3℃，Unit：℃ 0 The main board
4 The interval for defrosting 15～99，Unit：minute 45 The main board
5 Defrosting-on temperature -9～5℃， Unit：℃ -3 The main board
6 Defrosting-off temperature 5～20℃，Unit：℃ 10 The main board
7
Compressor’s exhaust air protection 90～120℃，Unit：℃ b8: means 118℃ The main board
8 Evaporator coil temperature 1 Unit：℃ Scope：-9℃-80℃ No Setting
9
Discharge gas temperature 1 Unit：℃
98: means 98℃
A8: means 108℃
b8: means 118℃
No Setting
10 ambient temperature Unit：℃ Scope：-9℃-80℃ No Setting
11 Compressor continuous running time Unit：minute Scope：0-99 No Setting
12 Fan continuous running time 1/4 Unit：Second No Setting
13 Compressor auto-off code 1 No Setting
14 On-off imported state Especial：sixteen No Setting
24 Auxiliary heat source 0-no effective 1-effective 0 The main board
25
Water tank temp./water outlet temp.
compensation
-5～5℃， Unit：℃
1
The main board
29 Evaporator coil temperature 2 Unit：℃ Scope：-9℃-80℃ No Setting
32 Compressor auto-off code 2 No Setting
37
Discharge gas temperature 2 Unit：℃
98: means 98℃
A8: means 108℃
b8: means 118℃
No Setting
48 Start ambient temp.(auxiliary heat source) 2～15℃， Unit：℃
7
The main board
20: Defrosting preparation
21: Defrosting finish
22: Error phase or lack of phase with power supply,
then switch off the machine
27: Low-pressure switch cutting
22: High-pressure switch cutting during water tank
temp. is high
32: High-pressure switch cutting during defrosting
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9.6 Manometer Instruction
FireFly Domestic Hot Water Air to Water Heat Pump
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