Usage and Installation Manual for Combination Heat Pump Water Heater
22
on；＝XFH terminals on
13: Operation state of outdoor unit
14：Operation state of outdoor unit
15：Operation state of indoor unit
16：Operation state of indoor unit
17：＝00 means auxiliary heating ,auto antifreeze is off; ＝01 means auxiliary heating ,auto
antifreeze is on;＝02 means auxiliary heating is off and auto antifreeze is on;＝03 means
auxiliary heating is on and auto antifreeze is off.
18：Communication state
19： Historical error
z Turn On, Off Auxiliary Heater: It is only available for heat pump unit. Press Check once to
enter Check mode. Press ▲and ▼ to change check object, press Check again till the present
check object becomes “17”, value “17” switches between 01/03 (auxiliary heater on) and 00/02
(auxiliary heater off). That is 00 Off —>01 On —>00 Off, or 02 Off —>03 On —>02 Off.
z
Check Parameter: After electrify for 20s, press EXIT then ▲to enter parameter checking
mode. Under this mode, Auxiliary display area shows the checking object, Main display area
displays the value for the checking object. Press ▲and ▼ to change the checking object. Press
EXIT to quit from the check mode. Content that can be checked are shown below:
Name for Parameter
0. If auxiliary heater is on
1.Set temperature for cooling water out (T_CSET)
2.Set temperature for heating water out(T_HSET)
3. Begin temp. for defrost (Tsd1)
4. End temp. for defrost (Tsd2)
5. Set interval between defrost (Tst1)
6. Duration for defrost (Tst2)
7. Antifreeze temp. (Tsf1)
8. End temp. for antifreeze
9. Anti overheated temp. (Tsf2)
10. Temp. to quit from anti overheated
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