Danfoss EIM 336, Manual, Page: 16 / 17

Appendix 1
Interaction between internal and external Main switch.
(Only when using the Modbus communication)
Main switch (r12)
External main switch (DI)
(if enabled be setting
register 64100 = 1)
Super Heat
Regulation
Alarm
monitoring
Off Off
→
Off No
Off On → On Yes
On Off
→
Off No
On On → On Yes
Appendix 2
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Unused
MOP
Active
Close
Timer
active
Sensor Errors Control state
Variables / parameters
CTRLstatus :
bit 0…3 : Controlstate
0: closed
1: Error
2: Inject
3: De-humidify
4: Force OD
5: Defrost state
6: Hold1 state (defrost sequence)
7: Hold2 state (defrost sequence)
8: Startup stage
9 -15: unused
bit 4 …7: Sensor Errors
bit 4 : Te error
bit 5 : S2 error
bit 6 : S4 error, (not active)
bit 7 : (not active)
bit 8 : Close timer
bit 8: timer active
bit 9 : MOP
bit 9 : MOP active.
bit 10…15: unused
16 DKRCC.PS.RQ0.B7.02 /520H8832 © Danfoss A/S (AC-MCI / sw), 2014-11
Manual Superheat Controller EIM 336