Heating Mode - Electra DNC series Service Manual

4.

Heating Mode

4.0. Heating Mode - General
4.0.1 In heating Mode, temp. compensation schedule will be activated for
wall mounted and ducted models (i.e. FCD/RWK, ELD, ECC, WAX,
WMF and WMN/WHX) according to the following table:
SPT [
18 ≤ SPT ≤ 27
27 < SPT ≤ 30
4.0.3 IF operating rules
(a) As a general rule for RC and SH groups, when COMP is ON,
excluding protection modes, IFAN will be switched ON if
•
ICT > 35
•
at the IFTC second
In this case, the IFAN will be started at low speed
The default IFTC values are
Notes :
1) In EMD/ELD models, the IFAN will start if ICT ≥ 40
any IFAN speed, and will stop if ICT < 30
2) In SH or RC group, if HE is set to OFF due to low ICT,
IFAN will be switched to LOW and will be turned OFF
after 30 sec.
3) An exception to this rule (4.0.3.a) is the Back-up mode
for SH group. (Cf.: Sect 4.0.4.e)
4) If the IFAN is turned ON by the IFTC operation, its
minimum operation time before stopping due to low ICT
temperature is 60 sec.
Service Manual - DNC Series
o
c]
I-FEEL ON
0 °c
0 °c
o o
c (or 40 c for EMD/ELD, 20
(4)
after the COMP is switched ON.
0 sec for EMD/ELD models
15 sec for
WMN4/RWK(FCX) models
600 sec for WVL (including
IFC) models
30 sec for all other models
IFAN Speed
Any
Low
Stop
General : 30
For WAX : 15
Revision Y05-01
CONTENT
Add to SPT
I-FEEL OFF
+2 °c
+3 °c
o
c for WAX), or
EMD/ELD
EMD/ELD
35 40
20 25
o
c.
CONTROL SYSTEM
(5)
.
o
ICT [ c]
o
c at
8-11